Oct 12 12:56:21.573 INFO checking studio-lucia/fldtools against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:56:21.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 12 12:56:22.060 INFO blam! 6bbf3440df1fd2f15d61d5d62367e53221be8eb51021e6872c0ae219b20d70bf
Oct 12 12:56:22.065 INFO running `"docker" "start" "-a" "6bbf3440df1fd2f15d61d5d62367e53221be8eb51021e6872c0ae219b20d70bf"`
Oct 12 12:56:23.496 INFO kablam! usermod: no changes
Oct 12 12:56:23.557 INFO kablam! warning: only one of `license` or `license-file` is necessary
Oct 12 12:56:23.632 INFO kablam!     Checking either v1.1.0
Oct 12 12:56:23.632 INFO kablam!     Checking term_size v0.3.0
Oct 12 12:56:23.632 INFO kablam!     Checking atty v0.2.2
Oct 12 12:56:24.180 INFO kablam!     Checking textwrap v0.6.0
Oct 12 12:56:24.428 INFO kablam!     Checking itertools v0.6.1
Oct 12 12:56:24.733 INFO kablam!     Checking clap v2.25.0
Oct 12 12:56:31.742 INFO kablam!     Checking fldtools v0.1.1 (/source)
Oct 12 12:56:33.540 INFO kablam! warning: variable does not need to be mutable
Oct 12 12:56:33.540 INFO kablam!   --> src/bin/fldunpack.rs:24:16
Oct 12 12:56:33.540 INFO kablam!    |
Oct 12 12:56:33.540 INFO kablam! 24 | fn write_chunk(mut reader : &mut BufReader<&mut File>, mut target : &File, chunk_data : &Chunk) -> ::std::io::Result<u32> {
Oct 12 12:56:33.540 INFO kablam!    |                ----^^^^^^
Oct 12 12:56:33.540 INFO kablam!    |                |
Oct 12 12:56:33.540 INFO kablam!    |                help: remove this `mut`
Oct 12 12:56:33.540 INFO kablam!    |
Oct 12 12:56:33.540 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 12:56:33.540 INFO kablam! 
Oct 12 12:56:33.633 INFO kablam! warning: variable does not need to be mutable
Oct 12 12:56:33.633 INFO kablam!   --> src/bin/fldunpack.rs:24:16
Oct 12 12:56:33.633 INFO kablam!    |
Oct 12 12:56:33.633 INFO kablam! 24 | fn write_chunk(mut reader : &mut BufReader<&mut File>, mut target : &File, chunk_data : &Chunk) -> ::std::io::Result<u32> {
Oct 12 12:56:33.633 INFO kablam!    |                ----^^^^^^
Oct 12 12:56:33.633 INFO kablam!    |                |
Oct 12 12:56:33.633 INFO kablam!    |                help: remove this `mut`
Oct 12 12:56:33.633 INFO kablam!    |
Oct 12 12:56:33.633 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 12:56:33.633 INFO kablam! 
Oct 12 12:56:33.685 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
Oct 12 12:56:33.689 INFO kablam! su: No module specific data is present
Oct 12 12:56:34.350 INFO running `"docker" "rm" "-f" "6bbf3440df1fd2f15d61d5d62367e53221be8eb51021e6872c0ae219b20d70bf"`
Oct 12 12:56:34.625 INFO blam! 6bbf3440df1fd2f15d61d5d62367e53221be8eb51021e6872c0ae219b20d70bf