Dec 12 10:29:43.485 INFO checking oscillator-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 10:29:43.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 10:29:43.984 INFO [stdout] d90ea844ad54d127058c00dc3a09679d212d1be9b8511e9c91a726a4579107f0
Dec 12 10:29:43.986 INFO running `"docker" "start" "-a" "d90ea844ad54d127058c00dc3a09679d212d1be9b8511e9c91a726a4579107f0"`
Dec 12 10:29:45.393 INFO [stderr] usermod: no changes
Dec 12 10:29:45.601 INFO [stderr]     Checking stopwatch v0.0.6
Dec 12 10:29:46.748 INFO [stderr]     Checking oscillator v0.1.0 (/source)
Dec 12 10:29:49.730 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:29:49.730 INFO [stderr]   --> tests/lib.rs:28:9
Dec 12 10:29:49.730 INFO [stderr]    |
Dec 12 10:29:49.730 INFO [stderr] 28 |     let mut timer = Stopwatch::start_new();
Dec 12 10:29:49.730 INFO [stderr]    |         ----^^^^^
Dec 12 10:29:49.730 INFO [stderr]    |         |
Dec 12 10:29:49.730 INFO [stderr]    |         help: remove this `mut`
Dec 12 10:29:49.730 INFO [stderr]    |
Dec 12 10:29:49.730 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 10:29:49.730 INFO [stderr] 
Dec 12 10:29:49.731 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:29:49.731 INFO [stderr]   --> tests/lib.rs:44:9
Dec 12 10:29:49.731 INFO [stderr]    |
Dec 12 10:29:49.731 INFO [stderr] 44 |     let mut timer = Stopwatch::start_new();
Dec 12 10:29:49.731 INFO [stderr]    |         ----^^^^^
Dec 12 10:29:49.731 INFO [stderr]    |         |
Dec 12 10:29:49.731 INFO [stderr]    |         help: remove this `mut`
Dec 12 10:29:49.731 INFO [stderr] 
Dec 12 10:29:49.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Dec 12 10:29:49.769 INFO [stderr] su: No module specific data is present
Dec 12 10:29:50.300 INFO running `"docker" "inspect" "d90ea844ad54d127058c00dc3a09679d212d1be9b8511e9c91a726a4579107f0"`
Dec 12 10:29:50.754 INFO running `"docker" "rm" "-f" "d90ea844ad54d127058c00dc3a09679d212d1be9b8511e9c91a726a4579107f0"`
Dec 12 10:29:51.032 INFO [stdout] d90ea844ad54d127058c00dc3a09679d212d1be9b8511e9c91a726a4579107f0