ICE: failed to get layout for `[type error]` #92979

alvarozamora · 2022-01-16T19:08:10Z

Code

use std::fs;
use std::fs::File;
use std::io::Read;
use std::convert::TryInto;

fn get_file_as_byte_vec(filename: &String) -> Vec<u8> {
    let mut f = File::open(&filename).expect("no file found");
    let metadata = fs::metadata(&filename).expect("unable to read metadata");
    let mut buffer = vec![0; metadata.len() as usize];
    f.read(&mut buffer).expect("buffer overflow");

    buffer
}



fn demo<T, const N: usize>(v: Vec<T>) -> [T; N] {
    v.try_into()
        .unwrap_or_else(|v: Vec<T>| panic!("Expected a Vec of length {} but it was {}", N, v.len()))
}


fn main() {

    // Specify filepath
    let file: &String = &String::from("SomeBinaryDataFileWith4ByteHeaders_f32s_and_u32s");

    // Read file into a vector of bytes
    let file_data = get_file_as_byte_vec(file);
    
    // Print length of vector and first few values
    let length = file_data.len();
    println!("The read function read {} bytes", length);
    println!("The first few bytes:");
    for i in 0..20{
        println!("{}", file_data[i]);
    }

    // Manually count just to make sure
    let mut n: u64 = 0;
    for data in file_data{
        n += 1;
    }
    println!("We counted {} bytes", n);
    assert!(n as usize == length, "Manual counting does not equal len method");

    // Simulation parameters 
    const N: usize = 49627502;                // Number of Particles
    const bs: f64 = 125.0;                  // Box Size
    const HEADER_INCREMENT: u64 = 4*1;

    // Initialize index and counter variables
    let (mut j, mut pos, mut vel, mut id, mut mass): (u64, u64, u64, u64, u64) = (0, 0, 0, 0, 0);

    // Unpack Position Data
    j += HEADER_INCREMENT;
    let mut position: Vec<f32> = Vec::new();
    while position.len() < N*3 {

        let p: Vec<u8> = Vec::new();
        for item in 0i8..4 {
            let item = item;
            p.push(file_data[j as usize]);
            j += 1;
        }
        &mut position[position.len()] = f32::from_be_bytes(demo(p));
    }
    
    // Ensure position data is indeed position by checking values
    for p in position {
        assert!((p > 0.) & (p < 125.), "Not in box")
    }

}

Error output

warning: unused variable: `data`
  --> fixbinary.rs:41:9
   |
41 |     for data in file_data{
   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: unused variable: `pos`
  --> fixbinary.rs:53:21
   |
53 |     let (mut j, mut pos, mut vel, mut id, mut mass): (u64, u64, u64, u64, u64) = (0, 0, 0, 0, 0);
   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`

warning: unused variable: `vel`
  --> fixbinary.rs:53:30
   |
53 |     let (mut j, mut pos, mut vel, mut id, mut mass): (u64, u64, u64, u64, u64) = (0, 0, 0, 0, 0);
   |                              ^^^ help: if this is intentional, prefix it with an underscore: `_vel`

warning: unused variable: `id`
  --> fixbinary.rs:53:39
   |
53 |     let (mut j, mut pos, mut vel, mut id, mut mass): (u64, u64, u64, u64, u64) = (0, 0, 0, 0, 0);
   |                                       ^^ help: if this is intentional, prefix it with an underscore: `_id`

warning: unused variable: `mass`
  --> fixbinary.rs:53:47
   |
53 |     let (mut j, mut pos, mut vel, mut id, mut mass): (u64, u64, u64, u64, u64) = (0, 0, 0, 0, 0);
   |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mass`

warning: unused variable: `item`
  --> fixbinary.rs:62:17
   |
62 |             let item = item;
   |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_item`

warning: constant is never used: `bs`
  --> fixbinary.rs:49:5
   |
49 |     const bs: f64 = 125.0;                  // Box Size
   |     ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: constant `bs` should have an upper case name
  --> fixbinary.rs:49:11
   |
49 |     const bs: f64 = 125.0;                  // Box Size
   |           ^^ help: convert the identifier to upper case: `BS`
   |
   = note: `#[warn(non_upper_case_globals)]` on by default

error: internal compiler error: compiler/rustc_codegen_llvm/src/context.rs:867:13: failed to get layout for `[type error]`: the type `[type error]` has an unknown layout
  --> fixbinary.rs:23:1
   |
23 | fn main() {
   | ^^^^^^^^^

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/compiler/rustc_errors/src/lib.rs:1115:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.58.0 (02072b482 2022-01-11) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
error: aborting due to previous error; 8 warnings emitted

Backtrace

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/compiler/rustc_errors/src/lib.rs:1115:9
stack backtrace:
   0:     0x7f204083be5c - std::backtrace_rs::backtrace::libunwind::trace::h093d4af0eabdfc15
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f204083be5c - std::backtrace_rs::backtrace::trace_unsynchronized::h2b90813d74c759ca
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f204083be5c - std::sys_common::backtrace::_print_fmt::hfaa8856bf3eca13f
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7f204083be5c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0cbaef3adcb5a454
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys_common/backtrace.rs:46:22
   4:     0x7f204089918c - core::fmt::write::h35a8eb836b847360
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/core/src/fmt/mod.rs:1149:17
   5:     0x7f204082bf55 - std::io::Write::write_fmt::h45f2b8390f189782
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/io/mod.rs:1697:15
   6:     0x7f204083f2b0 - std::sys_common::backtrace::_print::h56f62073b0e62985
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys_common/backtrace.rs:49:5
   7:     0x7f204083f2b0 - std::sys_common::backtrace::print::h152fba05ec38941b
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys_common/backtrace.rs:36:9
   8:     0x7f204083f2b0 - std::panicking::default_hook::{{closure}}::ha3121a0b8482251f
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panicking.rs:211:50
   9:     0x7f204083ee65 - std::panicking::default_hook::hde5d78c11ae3b8f6
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panicking.rs:228:9
  10:     0x7f2040fe8d71 - rustc_driver[b9de4364bfcde3cd]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f204083fac9 - std::panicking::rust_panic_with_hook::he6f55c3e7ed1777c
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panicking.rs:610:17
  12:     0x7f2041130bfb - std[40fd643a72e9c5b]::panicking::begin_panic::<rustc_errors[2765bbf9a6752b72]::ExplicitBug>::{closure#0}
  13:     0x7f2041130556 - std[40fd643a72e9c5b]::sys_common::backtrace::__rust_end_short_backtrace::<std[40fd643a72e9c5b]::panicking::begin_panic<rustc_errors[2765bbf9a6752b72]::ExplicitBug>::{closure#0}, !>
  14:     0x7f204116718f - std[40fd643a72e9c5b]::panicking::begin_panic::<rustc_errors[2765bbf9a6752b72]::ExplicitBug>
  15:     0x7f204115e52d - std[40fd643a72e9c5b]::panic::panic_any::<rustc_errors[2765bbf9a6752b72]::ExplicitBug>
  16:     0x7f204115d338 - <rustc_errors[2765bbf9a6752b72]::HandlerInner>::span_bug::<rustc_span[87dd3c90247a33c7]::span_encoding::Span>
  17:     0x7f204115d230 - <rustc_errors[2765bbf9a6752b72]::Handler>::span_bug::<rustc_span[87dd3c90247a33c7]::span_encoding::Span>
  18:     0x7f2041154552 - rustc_middle[da375b81956c4f3d]::ty::context::tls::with_opt::<rustc_middle[da375b81956c4f3d]::util::bug::opt_span_bug_fmt<rustc_span[87dd3c90247a33c7]::span_encoding::Span>::{closure#0}, ()>
  19:     0x7f20411543e0 - rustc_middle[da375b81956c4f3d]::util::bug::opt_span_bug_fmt::<rustc_span[87dd3c90247a33c7]::span_encoding::Span>
  20:     0x7f20411543ac - rustc_middle[da375b81956c4f3d]::util::bug::span_bug_fmt::<rustc_span[87dd3c90247a33c7]::span_encoding::Span>
  21:     0x7f204112b7b6 - <rustc_codegen_llvm[7e58ca7f3e3a6114]::context::CodegenCx as rustc_middle[da375b81956c4f3d]::ty::layout::LayoutOfHelpers>::handle_layout_err
  22:     0x7f20411291fa - <rustc_codegen_llvm[7e58ca7f3e3a6114]::context::CodegenCx as rustc_middle[da375b81956c4f3d]::ty::layout::LayoutOf>::spanned_layout_of::{closure#0}
  23:     0x7f2042247f2e - <rustc_codegen_llvm[7e58ca7f3e3a6114]::context::CodegenCx as rustc_middle[da375b81956c4f3d]::ty::layout::LayoutOf>::spanned_layout_of
  24:     0x7f2042246f8e - <core[5959bd7a20bc512c]::iter::adapters::map::Map<core[5959bd7a20bc512c]::slice::iter::Iter<rustc_middle[da375b81956c4f3d]::mir::LocalDecl>, rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::non_ssa_locals<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>::{closure#0}> as core[5959bd7a20bc512c]::iter::traits::iterator::Iterator>::fold::<(), core[5959bd7a20bc512c]::iter::traits::iterator::Iterator::for_each::call<rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::LocalKind, <alloc[57a5c12a58f2352a]::vec::Vec<rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::LocalKind> as alloc[57a5c12a58f2352a]::vec::spec_extend::SpecExtend<rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::LocalKind, core[5959bd7a20bc512c]::iter::adapters::map::Map<core[5959bd7a20bc512c]::slice::iter::Iter<rustc_middle[da375b81956c4f3d]::mir::LocalDecl>, rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::non_ssa_locals<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
  25:     0x7f2042274483 - rustc_codegen_ssa[131e031ff59460c4]::mir::analyze::non_ssa_locals::<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>
  26:     0x7f204226063d - rustc_codegen_ssa[131e031ff59460c4]::mir::codegen_mir::<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>
  27:     0x7f2042244cc4 - rustc_codegen_ssa[131e031ff59460c4]::base::codegen_instance::<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>
  28:     0x7f2042254efe - <rustc_middle[da375b81956c4f3d]::mir::mono::MonoItem as rustc_codegen_ssa[131e031ff59460c4]::mono_item::MonoItemExt>::define::<rustc_codegen_llvm[7e58ca7f3e3a6114]::builder::Builder>
  29:     0x7f2042258e50 - rustc_codegen_llvm[7e58ca7f3e3a6114]::base::compile_codegen_unit::module_codegen
  30:     0x7f2042bfb176 - <rustc_query_system[54375e604b07d15e]::dep_graph::graph::DepGraph<rustc_middle[da375b81956c4f3d]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[da375b81956c4f3d]::ty::context::TyCtxt, rustc_span[87dd3c90247a33c7]::symbol::Symbol, rustc_codegen_ssa[131e031ff59460c4]::ModuleCodegen<rustc_codegen_llvm[7e58ca7f3e3a6114]::ModuleLlvm>>
  31:     0x7f2042c57337 - rustc_codegen_llvm[7e58ca7f3e3a6114]::base::compile_codegen_unit
  32:     0x7f2042c11499 - rustc_codegen_ssa[131e031ff59460c4]::base::codegen_crate::<rustc_codegen_llvm[7e58ca7f3e3a6114]::LlvmCodegenBackend>
  33:     0x7f2042c3bb7a - <rustc_codegen_llvm[7e58ca7f3e3a6114]::LlvmCodegenBackend as rustc_codegen_ssa[131e031ff59460c4]::traits::backend::CodegenBackend>::codegen_crate
  34:     0x7f2042bc761e - <rustc_interface[3fb879ef72273690]::queries::Queries>::ongoing_codegen
  35:     0x7f2042b8baba - <rustc_interface[3fb879ef72273690]::interface::Compiler>::enter::<rustc_driver[b9de4364bfcde3cd]::run_compiler::{closure#1}::{closure#2}, core[5959bd7a20bc512c]::result::Result<core[5959bd7a20bc512c]::option::Option<rustc_interface[3fb879ef72273690]::queries::Linker>, rustc_errors[2765bbf9a6752b72]::ErrorReported>>
  36:     0x7f2042b87984 - rustc_span[87dd3c90247a33c7]::with_source_map::<core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>, rustc_interface[3fb879ef72273690]::interface::create_compiler_and_run<core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>, rustc_driver[b9de4364bfcde3cd]::run_compiler::{closure#1}>::{closure#1}>
  37:     0x7f2042b8c8df - <scoped_tls[2c65bc5c0a345aa9]::ScopedKey<rustc_span[87dd3c90247a33c7]::SessionGlobals>>::set::<rustc_interface[3fb879ef72273690]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[3fb879ef72273690]::interface::run_compiler<core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>, rustc_driver[b9de4364bfcde3cd]::run_compiler::{closure#1}>::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>::{closure#0}::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>
  38:     0x7f2042b8aa15 - std[40fd643a72e9c5b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3fb879ef72273690]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[3fb879ef72273690]::interface::run_compiler<core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>, rustc_driver[b9de4364bfcde3cd]::run_compiler::{closure#1}>::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>
  39:     0x7f2042bb4baa - <<std[40fd643a72e9c5b]::thread::Builder>::spawn_unchecked<rustc_interface[3fb879ef72273690]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[3fb879ef72273690]::interface::run_compiler<core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>, rustc_driver[b9de4364bfcde3cd]::run_compiler::{closure#1}>::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>::{closure#0}, core[5959bd7a20bc512c]::result::Result<(), rustc_errors[2765bbf9a6752b72]::ErrorReported>>::{closure#1} as core[5959bd7a20bc512c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  40:     0x7f204084abf3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3604301cdaaa9dbf
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/alloc/src/boxed.rs:1694:9
  41:     0x7f204084abf3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4cf736d2de892eff
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/alloc/src/boxed.rs:1694:9
  42:     0x7f204084abf3 - std::sys::unix::thread::Thread::new::thread_start::h71a82d4ee5b02c9b
                               at /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys/unix/thread.rs:106:17
  43:     0x7f204058bea5 - start_thread
  44:     0x7f203fea89fd - __clone
  45:                0x0 - <unknown>

I'm trying to read in a binary file (in a probably odd way). I'm just barely learning Rust; started <1 week ago. Sorry for breaking things.

The text was updated successfully, but these errors were encountered:

matthiaskrgr · 2022-01-16T19:37:06Z

Hm, I only get

error[E0070]: invalid left-hand side of assignment
  --> 92979.rs:66:39
   |
66 |         &mut position[position.len()] = f32::from_be_bytes(demo(p));
   |         ----------------------------- ^
   |         |
   |         cannot assign to this expression
   |
help: you might have meant to use pattern destructuring
   |
58 |     while let position.len() < N*3 {
   |           +++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0070`.

ehuss · 2022-01-16T20:36:43Z

I believe this was fixed by #90521 which is in 1.59.

…bilee did I mention that tests are super cool? Fixes rust-lang#81974 Fixes rust-lang#84727 Fixes rust-lang#92979

Rollup merge of rust-lang#123051 - matthiaskrgr:casetest, r=workingjubilee did I mention that tests are super cool? Fixes rust-lang#81974 Fixes rust-lang#84727 Fixes rust-lang#92979

did I mention that tests are super cool? Fixes rust-lang/rust#81974 Fixes rust-lang/rust#84727 Fixes rust-lang/rust#92979

alvarozamora added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 16, 2022

ehuss changed the title ~~Internal Compiler Error~~ ICE: failed to get layout for [type error] Jan 16, 2022

matthiaskrgr mentioned this issue Jan 17, 2022

thread 'rustc' panicked at 'Box<dyn Any>' #93002

Closed

JakobDegen mentioned this issue Jan 30, 2022

Invalid Left-hand Assignment Provides Incorrect Syntax as Solution #93486

Closed

JohnTitor added the E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. label Mar 3, 2023

matthiaskrgr mentioned this issue Mar 25, 2024

did I mention that tests are super cool? #123051

Merged

workingjubilee added a commit to workingjubilee/rustc that referenced this issue Mar 25, 2024

Rollup merge of rust-lang#123051 - matthiaskrgr:casetest, r=workingju…

ed871e2

…bilee did I mention that tests are super cool? Fixes rust-lang#81974 Fixes rust-lang#84727 Fixes rust-lang#92979

workingjubilee added a commit to workingjubilee/rustc that referenced this issue Mar 25, 2024

Rollup merge of rust-lang#123051 - matthiaskrgr:casetest, r=workingju…

56e8f67

…bilee did I mention that tests are super cool? Fixes rust-lang#81974 Fixes rust-lang#84727 Fixes rust-lang#92979

bors closed this as completed in a3c2d75 Mar 26, 2024

github-actions bot pushed a commit to rust-lang/miri that referenced this issue Mar 26, 2024

Rollup merge of #123051 - matthiaskrgr:casetest, r=workingjubilee

332065d

did I mention that tests are super cool? Fixes rust-lang/rust#81974 Fixes rust-lang/rust#84727 Fixes rust-lang/rust#92979

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ICE: failed to get layout for `[type error]` #92979

ICE: failed to get layout for `[type error]` #92979

alvarozamora commented Jan 16, 2022

matthiaskrgr commented Jan 16, 2022

ehuss commented Jan 16, 2022

ICE: failed to get layout for [type error] #92979

ICE: failed to get layout for [type error] #92979

Comments

alvarozamora commented Jan 16, 2022

Code

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Error output

matthiaskrgr commented Jan 16, 2022

ehuss commented Jan 16, 2022

ICE: failed to get layout for `[type error]` #92979

ICE: failed to get layout for `[type error]` #92979