Dec 05 08:07:25.241 INFO checking rnix-0.4.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:07:25.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 08:07:25.727 INFO [stdout] ff040c131200aaab24fe1cd18f36d14c01b94fa00d23cecabd5d2bc6b221e724
Dec 05 08:07:25.728 INFO running `"docker" "start" "-a" "ff040c131200aaab24fe1cd18f36d14c01b94fa00d23cecabd5d2bc6b221e724"`
Dec 05 08:07:27.706 INFO [stderr] usermod: no changes
Dec 05 08:07:27.847 INFO [stderr]     Checking arenatree v0.1.3
Dec 05 08:07:27.847 INFO [stderr]     Checking smol_str v0.1.7
Dec 05 08:07:29.303 INFO [stderr]     Checking rnix v0.4.2 (/source)
Dec 05 08:07:36.747 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 08:07:36.747 INFO [stderr]   --> examples/error-report.rs:61:9
Dec 05 08:07:36.747 INFO [stderr]    |
Dec 05 08:07:36.747 INFO [stderr] 61 |         writeln!(stdout, "At {}:{}:{}", file, line, col);
Dec 05 08:07:36.747 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:07:36.747 INFO [stderr]    |
Dec 05 08:07:36.747 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 08:07:36.747 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 08:07:36.747 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 08:07:36.747 INFO [stderr] 
Dec 05 08:07:36.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
Dec 05 08:07:36.780 INFO [stderr] su: No module specific data is present
Dec 05 08:07:37.224 INFO running `"docker" "inspect" "ff040c131200aaab24fe1cd18f36d14c01b94fa00d23cecabd5d2bc6b221e724"`
Dec 05 08:07:37.336 INFO running `"docker" "rm" "-f" "ff040c131200aaab24fe1cd18f36d14c01b94fa00d23cecabd5d2bc6b221e724"`
Dec 05 08:07:37.426 INFO [stdout] ff040c131200aaab24fe1cd18f36d14c01b94fa00d23cecabd5d2bc6b221e724