Dec 18 10:43:24.945 INFO checking strider-0.1.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:43:24.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/strider/0.1.3:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:43:25.500 INFO [stdout] 204561eb8f1f199305de8c553328f1dfe33ee00a94b0cb2df46289c2e3f9143b
Dec 18 10:43:25.502 INFO running `"docker" "start" "-a" "204561eb8f1f199305de8c553328f1dfe33ee00a94b0cb2df46289c2e3f9143b"`
Dec 18 10:43:26.293 INFO [stderr]     Checking strider v0.1.3 (/opt/crater/workdir)
Dec 18 10:43:27.224 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:43:27.224 INFO [stderr]   --> tests/lib.rs:17:13
Dec 18 10:43:27.224 INFO [stderr]    |
Dec 18 10:43:27.224 INFO [stderr] 17 |         let mut input_buffer: &mut [u8] = &mut [0; 4];
Dec 18 10:43:27.224 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 10:43:27.224 INFO [stderr]    |             |
Dec 18 10:43:27.224 INFO [stderr]    |             help: remove this `mut`
Dec 18 10:43:27.224 INFO [stderr] ...
Dec 18 10:43:27.224 INFO [stderr] 50 |     test_string_windowing!(VecDeque::<u8>::new());
Dec 18 10:43:27.225 INFO [stderr]    |     ---------------------------------------------- in this macro invocation
Dec 18 10:43:27.225 INFO [stderr]    |
Dec 18 10:43:27.225 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 10:43:27.225 INFO [stderr] 
Dec 18 10:43:27.225 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:43:27.225 INFO [stderr]   --> tests/lib.rs:18:13
Dec 18 10:43:27.225 INFO [stderr]    |
Dec 18 10:43:27.225 INFO [stderr] 18 |         let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE];
Dec 18 10:43:27.225 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 18 10:43:27.225 INFO [stderr]    |             |
Dec 18 10:43:27.225 INFO [stderr]    |             help: remove this `mut`
Dec 18 10:43:27.225 INFO [stderr] ...
Dec 18 10:43:27.225 INFO [stderr] 50 |     test_string_windowing!(VecDeque::<u8>::new());
Dec 18 10:43:27.225 INFO [stderr]    |     ---------------------------------------------- in this macro invocation
Dec 18 10:43:27.225 INFO [stderr] 
Dec 18 10:43:27.225 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:43:27.225 INFO [stderr]   --> tests/lib.rs:17:13
Dec 18 10:43:27.225 INFO [stderr]    |
Dec 18 10:43:27.225 INFO [stderr] 17 |         let mut input_buffer: &mut [u8] = &mut [0; 4];
Dec 18 10:43:27.225 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 18 10:43:27.225 INFO [stderr]    |             |
Dec 18 10:43:27.225 INFO [stderr]    |             help: remove this `mut`
Dec 18 10:43:27.225 INFO [stderr] ...
Dec 18 10:43:27.225 INFO [stderr] 54 |     test_string_windowing!(SliceRingImpl::<u8>::new());
Dec 18 10:43:27.225 INFO [stderr]    |     --------------------------------------------------- in this macro invocation
Dec 18 10:43:27.225 INFO [stderr] 
Dec 18 10:43:27.225 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:43:27.225 INFO [stderr]   --> tests/lib.rs:18:13
Dec 18 10:43:27.225 INFO [stderr]    |
Dec 18 10:43:27.225 INFO [stderr] 18 |         let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE];
Dec 18 10:43:27.225 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 18 10:43:27.225 INFO [stderr]    |             |
Dec 18 10:43:27.225 INFO [stderr]    |             help: remove this `mut`
Dec 18 10:43:27.225 INFO [stderr] ...
Dec 18 10:43:27.225 INFO [stderr] 54 |     test_string_windowing!(SliceRingImpl::<u8>::new());
Dec 18 10:43:27.225 INFO [stderr]    |     --------------------------------------------------- in this macro invocation
Dec 18 10:43:27.225 INFO [stderr] 
Dec 18 10:43:27.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 18 10:43:28.132 INFO running `"docker" "inspect" "204561eb8f1f199305de8c553328f1dfe33ee00a94b0cb2df46289c2e3f9143b"`
Dec 18 10:43:28.418 INFO running `"docker" "rm" "-f" "204561eb8f1f199305de8c553328f1dfe33ee00a94b0cb2df46289c2e3f9143b"`
Dec 18 10:43:28.640 INFO [stdout] 204561eb8f1f199305de8c553328f1dfe33ee00a94b0cb2df46289c2e3f9143b