Dec 12 11:39:38.894 INFO checking marc-1.5.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:39:38.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:39:39.188 INFO [stdout] 87b8049501772b7c7385a99c9821e88098d02bf675908e669072e73522692665
Dec 12 11:39:39.194 INFO running `"docker" "start" "-a" "87b8049501772b7c7385a99c9821e88098d02bf675908e669072e73522692665"`
Dec 12 11:39:40.496 INFO [stderr] usermod: no changes
Dec 12 11:39:40.525 INFO [stderr] warning: profile `doc` is deprecated and has no effect
Dec 12 11:39:40.544 INFO [stderr]     Checking marc v1.5.0 (/source)
Dec 12 11:39:41.864 INFO [stderr] warning: variable does not need to be mutable
Dec 12 11:39:41.864 INFO [stderr]    --> src/lib.rs:110:30
Dec 12 11:39:41.864 INFO [stderr]     |
Dec 12 11:39:41.864 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 12 11:39:41.864 INFO [stderr]     |                              ----^^^^^
Dec 12 11:39:41.864 INFO [stderr]     |                              |
Dec 12 11:39:41.864 INFO [stderr]     |                              help: remove this `mut`
Dec 12 11:39:41.864 INFO [stderr]     |
Dec 12 11:39:41.864 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 11:39:41.864 INFO [stderr] 
Dec 12 11:39:42.180 INFO [stderr] warning: variable does not need to be mutable
Dec 12 11:39:42.181 INFO [stderr]    --> src/lib.rs:110:30
Dec 12 11:39:42.181 INFO [stderr]     |
Dec 12 11:39:42.181 INFO [stderr] 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Dec 12 11:39:42.181 INFO [stderr]     |                              ----^^^^^
Dec 12 11:39:42.181 INFO [stderr]     |                              |
Dec 12 11:39:42.181 INFO [stderr]     |                              help: remove this `mut`
Dec 12 11:39:42.181 INFO [stderr]     |
Dec 12 11:39:42.181 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 11:39:42.181 INFO [stderr] 
Dec 12 11:39:42.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Dec 12 11:39:42.384 INFO [stderr] su: No module specific data is present
Dec 12 11:39:42.698 INFO running `"docker" "inspect" "87b8049501772b7c7385a99c9821e88098d02bf675908e669072e73522692665"`
Dec 12 11:39:42.904 INFO running `"docker" "rm" "-f" "87b8049501772b7c7385a99c9821e88098d02bf675908e669072e73522692665"`
Dec 12 11:39:43.232 INFO [stdout] 87b8049501772b7c7385a99c9821e88098d02bf675908e669072e73522692665