Dec 05 10:15:35.681 INFO checking mowl-2.0.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:15:35.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 10:15:35.857 INFO [stdout] 43798c66c7d10fb1c252c3419f7d6b3d6014b6a92db6ec546f435128eb78b04a
Dec 05 10:15:35.859 INFO running `"docker" "start" "-a" "43798c66c7d10fb1c252c3419f7d6b3d6014b6a92db6ec546f435128eb78b04a"`
Dec 05 10:15:36.254 INFO [stderr] usermod: no changes
Dec 05 10:15:36.322 INFO [stderr]     Checking mowl v2.0.0 (/source)
Dec 05 10:15:37.439 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:15:37.439 INFO [stderr]    --> src/lib.rs:117:9
Dec 05 10:15:37.439 INFO [stderr]     |
Dec 05 10:15:37.439 INFO [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
Dec 05 10:15:37.439 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:15:37.439 INFO [stderr]     |
Dec 05 10:15:37.439 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 10:15:37.439 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:15:37.439 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 10:15:37.439 INFO [stderr] 
Dec 05 10:15:37.479 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:15:37.479 INFO [stderr]    --> src/lib.rs:117:9
Dec 05 10:15:37.479 INFO [stderr]     |
Dec 05 10:15:37.479 INFO [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
Dec 05 10:15:37.479 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:15:37.479 INFO [stderr]     |
Dec 05 10:15:37.479 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 10:15:37.479 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:15:37.479 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 10:15:37.479 INFO [stderr] 
Dec 05 10:15:38.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 05 10:15:38.924 INFO [stderr] su: No module specific data is present
Dec 05 10:15:39.283 INFO running `"docker" "inspect" "43798c66c7d10fb1c252c3419f7d6b3d6014b6a92db6ec546f435128eb78b04a"`
Dec 05 10:15:39.360 INFO running `"docker" "rm" "-f" "43798c66c7d10fb1c252c3419f7d6b3d6014b6a92db6ec546f435128eb78b04a"`
Dec 05 10:15:39.470 INFO [stdout] 43798c66c7d10fb1c252c3419f7d6b3d6014b6a92db6ec546f435128eb78b04a