Dec 05 06:50:00.740 INFO checking severlevel-0.9.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:50:00.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 06:50:01.219 INFO [stdout] c3d447985ada3f05b348d86890153cc4169013fcd3314146c5d2e64485b4f764
Dec 05 06:50:01.283 INFO running `"docker" "start" "-a" "c3d447985ada3f05b348d86890153cc4169013fcd3314146c5d2e64485b4f764"`
Dec 05 06:50:02.503 INFO [stderr] usermod: no changes
Dec 05 06:50:02.574 INFO [stderr]     Checking severlevel v0.9.1 (/source)
Dec 05 06:50:03.079 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:50:03.079 INFO [stderr]   --> src/lib.rs:67:9
Dec 05 06:50:03.079 INFO [stderr]    |
Dec 05 06:50:03.079 INFO [stderr] 67 |         writeln!(io::stderr(), "    {} {}", Colour::Red.paint("error:"), message);
Dec 05 06:50:03.079 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:50:03.079 INFO [stderr]    |
Dec 05 06:50:03.079 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 06:50:03.079 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:50:03.079 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 06:50:03.079 INFO [stderr] 
Dec 05 06:50:03.079 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:50:03.079 INFO [stderr]   --> src/lib.rs:72:9
Dec 05 06:50:03.079 INFO [stderr]    |
Dec 05 06:50:03.079 INFO [stderr] 72 |         writeln!(io::stderr(), "    {} {}", Colour::Cyan.paint("debug:"), message);
Dec 05 06:50:03.079 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:50:03.079 INFO [stderr]    |
Dec 05 06:50:03.079 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:50:03.079 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 06:50:03.079 INFO [stderr] 
Dec 05 06:50:03.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:50:03.311 INFO [stderr]   --> src/lib.rs:67:9
Dec 05 06:50:03.311 INFO [stderr]    |
Dec 05 06:50:03.311 INFO [stderr] 67 |         writeln!(io::stderr(), "    {} {}", Colour::Red.paint("error:"), message);
Dec 05 06:50:03.311 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:50:03.311 INFO [stderr]    |
Dec 05 06:50:03.311 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 06:50:03.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:50:03.311 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 06:50:03.311 INFO [stderr] 
Dec 05 06:50:03.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:50:03.311 INFO [stderr]   --> src/lib.rs:72:9
Dec 05 06:50:03.311 INFO [stderr]    |
Dec 05 06:50:03.311 INFO [stderr] 72 |         writeln!(io::stderr(), "    {} {}", Colour::Cyan.paint("debug:"), message);
Dec 05 06:50:03.311 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:50:03.311 INFO [stderr]    |
Dec 05 06:50:03.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:50:03.311 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 06:50:03.311 INFO [stderr] 
Dec 05 06:50:03.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 05 06:50:03.332 INFO [stderr] su: No module specific data is present
Dec 05 06:50:03.927 INFO running `"docker" "inspect" "c3d447985ada3f05b348d86890153cc4169013fcd3314146c5d2e64485b4f764"`
Dec 05 06:50:04.177 INFO running `"docker" "rm" "-f" "c3d447985ada3f05b348d86890153cc4169013fcd3314146c5d2e64485b4f764"`
Dec 05 06:50:04.519 INFO [stdout] c3d447985ada3f05b348d86890153cc4169013fcd3314146c5d2e64485b4f764