Oct 13 12:16:17.081 INFO checking marc-1.5.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:16:17.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 12:16:17.284 INFO blam! 46a3a0c911e091567ee986dbe3f98bf464fd409ca9344c8be9124630403b5f10
Oct 13 12:16:17.286 INFO running `"docker" "start" "-a" "46a3a0c911e091567ee986dbe3f98bf464fd409ca9344c8be9124630403b5f10"`
Oct 13 12:16:18.336 INFO kablam! usermod: no changes
Oct 13 12:16:18.397 INFO kablam! warning: profile `doc` is deprecated and has no effect
Oct 13 12:16:18.416 INFO kablam!     Checking marc v1.5.0 (/source)
Oct 13 12:16:20.080 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:16:20.080 INFO kablam!    --> src/lib.rs:110:30
Oct 13 12:16:20.080 INFO kablam!     |
Oct 13 12:16:20.080 INFO kablam! 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Oct 13 12:16:20.080 INFO kablam!     |                              ----^^^^^
Oct 13 12:16:20.080 INFO kablam!     |                              |
Oct 13 12:16:20.080 INFO kablam!     |                              help: remove this `mut`
Oct 13 12:16:20.080 INFO kablam!     |
Oct 13 12:16:20.080 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 12:16:20.080 INFO kablam! 
Oct 13 12:16:20.472 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:16:20.472 INFO kablam!    --> src/lib.rs:110:30
Oct 13 12:16:20.472 INFO kablam!     |
Oct 13 12:16:20.472 INFO kablam! 110 |     pub fn read<T: io::Read>(mut input: &mut T) -> Result<Option<Record<'static>>> {
Oct 13 12:16:20.472 INFO kablam!     |                              ----^^^^^
Oct 13 12:16:20.472 INFO kablam!     |                              |
Oct 13 12:16:20.472 INFO kablam!     |                              help: remove this `mut`
Oct 13 12:16:20.472 INFO kablam!     |
Oct 13 12:16:20.472 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 12:16:20.472 INFO kablam! 
Oct 13 12:16:20.756 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
Oct 13 12:16:20.762 INFO kablam! su: No module specific data is present
Oct 13 12:16:21.600 INFO running `"docker" "rm" "-f" "46a3a0c911e091567ee986dbe3f98bf464fd409ca9344c8be9124630403b5f10"`
Oct 13 12:16:21.912 INFO blam! 46a3a0c911e091567ee986dbe3f98bf464fd409ca9344c8be9124630403b5f10