Dec 19 07:58:53.154 INFO checking studio-lucia/fldtools against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:58:53.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/studio-lucia/fldtools:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:58:53.640 INFO [stdout] 8168bd7c76bb3e2445cee060202da4a633d7bf59a68829c5ca69ca68c1ef7ac2
Dec 19 07:58:53.642 INFO running `"docker" "start" "-a" "8168bd7c76bb3e2445cee060202da4a633d7bf59a68829c5ca69ca68c1ef7ac2"`
Dec 19 07:58:55.575 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 19 07:58:55.629 INFO [stderr]     Checking either v1.1.0
Dec 19 07:58:55.942 INFO [stderr]     Checking itertools v0.6.1
Dec 19 07:58:57.556 INFO [stderr]     Checking fldtools v0.1.1 (/opt/crater/workdir)
Dec 19 07:58:58.571 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:58:58.571 INFO [stderr]   --> src/bin/fldunpack.rs:24:16
Dec 19 07:58:58.571 INFO [stderr]    |
Dec 19 07:58:58.571 INFO [stderr] 24 | fn write_chunk(mut reader : &mut BufReader<&mut File>, mut target : &File, chunk_data : &Chunk) -> ::std::io::Result<u32> {
Dec 19 07:58:58.571 INFO [stderr]    |                ----^^^^^^
Dec 19 07:58:58.571 INFO [stderr]    |                |
Dec 19 07:58:58.571 INFO [stderr]    |                help: remove this `mut`
Dec 19 07:58:58.571 INFO [stderr]    |
Dec 19 07:58:58.571 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:58:58.571 INFO [stderr] 
Dec 19 07:58:58.732 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:58:58.732 INFO [stderr]   --> src/bin/fldunpack.rs:24:16
Dec 19 07:58:58.732 INFO [stderr]    |
Dec 19 07:58:58.732 INFO [stderr] 24 | fn write_chunk(mut reader : &mut BufReader<&mut File>, mut target : &File, chunk_data : &Chunk) -> ::std::io::Result<u32> {
Dec 19 07:58:58.732 INFO [stderr]    |                ----^^^^^^
Dec 19 07:58:58.732 INFO [stderr]    |                |
Dec 19 07:58:58.732 INFO [stderr]    |                help: remove this `mut`
Dec 19 07:58:58.732 INFO [stderr]    |
Dec 19 07:58:58.732 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:58:58.732 INFO [stderr] 
Dec 19 07:58:58.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
Dec 19 07:58:59.388 INFO running `"docker" "inspect" "8168bd7c76bb3e2445cee060202da4a633d7bf59a68829c5ca69ca68c1ef7ac2"`
Dec 19 07:58:59.578 INFO running `"docker" "rm" "-f" "8168bd7c76bb3e2445cee060202da4a633d7bf59a68829c5ca69ca68c1ef7ac2"`
Dec 19 07:58:59.703 INFO [stdout] 8168bd7c76bb3e2445cee060202da4a633d7bf59a68829c5ca69ca68c1ef7ac2