Dec 18 14:09:03.169 INFO checking marc-1.5.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:09:03.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/marc/1.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:09:03.356 INFO [stdout] 1c278a5fd6bc920ab6e069b27f978a74724bb1fe79c59e4f3ee464ad098f9d70
Dec 18 14:09:03.361 INFO running `"docker" "start" "-a" "1c278a5fd6bc920ab6e069b27f978a74724bb1fe79c59e4f3ee464ad098f9d70"`
Dec 18 14:09:04.152 INFO [stderr] warning: profile `doc` is deprecated and has no effect
Dec 18 14:09:04.180 INFO [stderr]     Checking marc v1.5.0 (/opt/crater/workdir)
Dec 18 14:09:04.944 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:09:04.944 INFO [stderr]    --> src/lib.rs:110:30
Dec 18 14:09:04.944 INFO [stderr]     |
Dec 18 14:09:04.944 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 18 14:09:04.944 INFO [stderr]     |                              ----^^^^^
Dec 18 14:09:04.944 INFO [stderr]     |                              |
Dec 18 14:09:04.944 INFO [stderr]     |                              help: remove this `mut`
Dec 18 14:09:04.944 INFO [stderr]     |
Dec 18 14:09:04.944 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:09:04.944 INFO [stderr] 
Dec 18 14:09:05.203 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:09:05.203 INFO [stderr]    --> src/lib.rs:110:30
Dec 18 14:09:05.203 INFO [stderr]     |
Dec 18 14:09:05.203 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 18 14:09:05.203 INFO [stderr]     |                              ----^^^^^
Dec 18 14:09:05.203 INFO [stderr]     |                              |
Dec 18 14:09:05.203 INFO [stderr]     |                              help: remove this `mut`
Dec 18 14:09:05.203 INFO [stderr]     |
Dec 18 14:09:05.203 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:09:05.203 INFO [stderr] 
Dec 18 14:09:05.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 18 14:09:05.787 INFO running `"docker" "inspect" "1c278a5fd6bc920ab6e069b27f978a74724bb1fe79c59e4f3ee464ad098f9d70"`
Dec 18 14:09:05.910 INFO running `"docker" "rm" "-f" "1c278a5fd6bc920ab6e069b27f978a74724bb1fe79c59e4f3ee464ad098f9d70"`
Dec 18 14:09:06.173 INFO [stdout] 1c278a5fd6bc920ab6e069b27f978a74724bb1fe79c59e4f3ee464ad098f9d70