Dec 05 10:38:18.594 INFO checking marc-1.5.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:38:18.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:38:18.819 INFO [stdout] 0c496127a1739b59656f45ec0c71572e793def8fbd4318b77bc6de2e8aa85683
Dec 05 10:38:18.835 INFO running `"docker" "start" "-a" "0c496127a1739b59656f45ec0c71572e793def8fbd4318b77bc6de2e8aa85683"`
Dec 05 10:38:19.481 INFO [stderr] usermod: no changes
Dec 05 10:38:19.509 INFO [stderr] warning: profile `doc` is deprecated and has no effect
Dec 05 10:38:19.525 INFO [stderr]     Checking marc v1.5.0 (/source)
Dec 05 10:38:21.423 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:38:21.423 INFO [stderr]    --> src/lib.rs:110:30
Dec 05 10:38:21.423 INFO [stderr]     |
Dec 05 10:38:21.423 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 05 10:38:21.423 INFO [stderr]     |                              ----^^^^^
Dec 05 10:38:21.423 INFO [stderr]     |                              |
Dec 05 10:38:21.423 INFO [stderr]     |                              help: remove this `mut`
Dec 05 10:38:21.423 INFO [stderr]     |
Dec 05 10:38:21.423 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 10:38:21.423 INFO [stderr] 
Dec 05 10:38:22.091 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:38:22.091 INFO [stderr]    --> src/lib.rs:110:30
Dec 05 10:38:22.091 INFO [stderr]     |
Dec 05 10:38:22.091 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 05 10:38:22.091 INFO [stderr]     |                              ----^^^^^
Dec 05 10:38:22.091 INFO [stderr]     |                              |
Dec 05 10:38:22.091 INFO [stderr]     |                              help: remove this `mut`
Dec 05 10:38:22.091 INFO [stderr]     |
Dec 05 10:38:22.091 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 10:38:22.091 INFO [stderr] 
Dec 05 10:38:22.328 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 05 10:38:22.331 INFO [stderr] su: No module specific data is present
Dec 05 10:38:22.657 INFO running `"docker" "inspect" "0c496127a1739b59656f45ec0c71572e793def8fbd4318b77bc6de2e8aa85683"`
Dec 05 10:38:22.810 INFO running `"docker" "rm" "-f" "0c496127a1739b59656f45ec0c71572e793def8fbd4318b77bc6de2e8aa85683"`
Dec 05 10:38:22.937 INFO [stdout] 0c496127a1739b59656f45ec0c71572e793def8fbd4318b77bc6de2e8aa85683