Dec 18 10:42:49.968 INFO checking strings-0.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:42:49.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/strings/0.1.1:/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 10:42:50.562 INFO [stdout] 9e30b8af86e3a01e633d906790e9b41d08666d424ebe48f65d99fe1dede77d43
Dec 18 10:42:50.566 INFO running `"docker" "start" "-a" "9e30b8af86e3a01e633d906790e9b41d08666d424ebe48f65d99fe1dede77d43"`
Dec 18 10:42:52.055 INFO [stderr]     Checking strings v0.1.1 (/opt/crater/workdir)
Dec 18 10:42:52.676 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:42:52.677 INFO [stderr]    --> src/string_buffer.rs:264:17
Dec 18 10:42:52.677 INFO [stderr]     |
Dec 18 10:42:52.677 INFO [stderr] 264 |             let mut last = &mut *result.first;
Dec 18 10:42:52.677 INFO [stderr]     |                 ----^^^^
Dec 18 10:42:52.677 INFO [stderr]     |                 |
Dec 18 10:42:52.677 INFO [stderr]     |                 help: remove this `mut`
Dec 18 10:42:52.677 INFO [stderr]     |
Dec 18 10:42:52.677 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 10:42:52.677 INFO [stderr] 
Dec 18 10:42:53.068 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:42:53.068 INFO [stderr]    --> src/string_buffer.rs:264:17
Dec 18 10:42:53.068 INFO [stderr]     |
Dec 18 10:42:53.068 INFO [stderr] 264 |             let mut last = &mut *result.first;
Dec 18 10:42:53.068 INFO [stderr]     |                 ----^^^^
Dec 18 10:42:53.068 INFO [stderr]     |                 |
Dec 18 10:42:53.068 INFO [stderr]     |                 help: remove this `mut`
Dec 18 10:42:53.068 INFO [stderr]     |
Dec 18 10:42:53.068 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 10:42:53.068 INFO [stderr] 
Dec 18 10:42:53.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 18 10:42:53.608 INFO running `"docker" "inspect" "9e30b8af86e3a01e633d906790e9b41d08666d424ebe48f65d99fe1dede77d43"`
Dec 18 10:42:53.727 INFO running `"docker" "rm" "-f" "9e30b8af86e3a01e633d906790e9b41d08666d424ebe48f65d99fe1dede77d43"`
Dec 18 10:42:53.837 INFO [stdout] 9e30b8af86e3a01e633d906790e9b41d08666d424ebe48f65d99fe1dede77d43