Attempting to compile rust-teos watchtower plugin fails.

[unsettledroell404]

I am trying to compile the CLN plugin for TEOS on an Intel NUC and it fails with the following error.

...
Compiling bitcoin v0.28.1
Compiling teos-common v0.0.1 (/data/cln/plugins-available/rust-teos/teos-common)
Compiling hyper-timeout v0.4.1
error: failed to run custom build command for teos-common v0.0.1 (/data/cln/plugins-available/rust-teos/teos-common)

Caused by:
process didn't exit successfully: /data/cln/plugins-available/rust-teos/target/release/build/teos-common-a198ce27a137d37e/build-script-build (exit status: 1)
--- stderr
error running rustfmt: Os { code: 2, kind: NotFound, message: "No such file or directory" }
warning: build failed, waiting for other jobs to finish...
error: failed to compile watchtower-plugin v0.1.0 (/data/cln/plugins-available/rust-teos/watchtower-plugin), intermediate artifacts can be found at /data/cln/plugins-available/rust-teos/target

Caused by:
build failed

[unsettledroell404]

OK the solution was simpler than I thougt, rustfmt must be installed (apt install rustfmt).

[mariocynicys]

OK the solution was simpler than I thougt, rustfmt must be installed (apt install rustfmt).

Aha, this is due to tonic-build's dependency on rustfmt. This was fixed in this PR (landed in v0.7).

PS. Also better use rustup to install rustfmt.