Dec 12 11:16:32.789 INFO checking mowl-2.0.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:16:32.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 11:16:33.022 INFO [stdout] 8c8d8c873ac50c1ee5c41bb30f352ff60c8d807290c07eecd85a248251c424da
Dec 12 11:16:33.022 INFO running `"docker" "start" "-a" "8c8d8c873ac50c1ee5c41bb30f352ff60c8d807290c07eecd85a248251c424da"`
Dec 12 11:16:33.482 INFO [stderr] usermod: no changes
Dec 12 11:16:33.556 INFO [stderr]     Checking mowl v2.0.0 (/source)
Dec 12 11:16:34.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 11:16:34.738 INFO [stderr]    --> src/lib.rs:117:9
Dec 12 11:16:34.738 INFO [stderr]     |
Dec 12 11:16:34.738 INFO [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
Dec 12 11:16:34.738 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:16:34.738 INFO [stderr]     |
Dec 12 11:16:34.738 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 11:16:34.738 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 11:16:34.738 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 12 11:16:34.738 INFO [stderr] 
Dec 12 11:16:34.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 11:16:34.960 INFO [stderr]    --> src/lib.rs:117:9
Dec 12 11:16:34.960 INFO [stderr]     |
Dec 12 11:16:34.960 INFO [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
Dec 12 11:16:34.960 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:16:34.960 INFO [stderr]     |
Dec 12 11:16:34.960 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 11:16:34.960 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 11:16:34.960 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 12 11:16:34.960 INFO [stderr] 
Dec 12 11:16:36.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 12 11:16:36.165 INFO [stderr] su: No module specific data is present
Dec 12 11:16:36.407 INFO running `"docker" "inspect" "8c8d8c873ac50c1ee5c41bb30f352ff60c8d807290c07eecd85a248251c424da"`
Dec 12 11:16:36.465 INFO running `"docker" "rm" "-f" "8c8d8c873ac50c1ee5c41bb30f352ff60c8d807290c07eecd85a248251c424da"`
Dec 12 11:16:36.539 INFO [stdout] 8c8d8c873ac50c1ee5c41bb30f352ff60c8d807290c07eecd85a248251c424da