Dec 05 08:23:07.273 INFO checking rehashinghashmap-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:23:07.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 08:23:07.619 INFO [stdout] 2679ccb1584f12da1d41b3a365efaa67941a6846dd24e42189c0c7bb7d482078
Dec 05 08:23:07.625 INFO running `"docker" "start" "-a" "2679ccb1584f12da1d41b3a365efaa67941a6846dd24e42189c0c7bb7d482078"`
Dec 05 08:23:08.132 INFO [stderr] usermod: no changes
Dec 05 08:23:08.211 INFO [stderr]     Checking rehashinghashmap v0.1.2 (/source)
Dec 05 08:23:09.063 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.063 INFO [stderr]   --> src/lib.rs:64:28
Dec 05 08:23:09.063 INFO [stderr]    |
Dec 05 08:23:09.063 INFO [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
Dec 05 08:23:09.063 INFO [stderr]    |                            ----^^^
Dec 05 08:23:09.063 INFO [stderr]    |                            |
Dec 05 08:23:09.063 INFO [stderr]    |                            help: remove this `mut`
Dec 05 08:23:09.063 INFO [stderr]    |
Dec 05 08:23:09.063 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:23:09.063 INFO [stderr] 
Dec 05 08:23:09.063 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.063 INFO [stderr]   --> src/lib.rs:64:18
Dec 05 08:23:09.063 INFO [stderr]    |
Dec 05 08:23:09.063 INFO [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
Dec 05 08:23:09.063 INFO [stderr]    |                  ----^^^^
Dec 05 08:23:09.063 INFO [stderr]    |                  |
Dec 05 08:23:09.063 INFO [stderr]    |                  help: remove this `mut`
Dec 05 08:23:09.063 INFO [stderr] 
Dec 05 08:23:09.071 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.071 INFO [stderr]    --> src/lib.rs:289:18
Dec 05 08:23:09.071 INFO [stderr]     |
Dec 05 08:23:09.071 INFO [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
Dec 05 08:23:09.071 INFO [stderr]     |                  ----^^^^
Dec 05 08:23:09.071 INFO [stderr]     |                  |
Dec 05 08:23:09.071 INFO [stderr]     |                  help: remove this `mut`
Dec 05 08:23:09.071 INFO [stderr] 
Dec 05 08:23:09.571 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.571 INFO [stderr]   --> src/lib.rs:64:28
Dec 05 08:23:09.571 INFO [stderr]    |
Dec 05 08:23:09.571 INFO [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
Dec 05 08:23:09.571 INFO [stderr]    |                            ----^^^
Dec 05 08:23:09.571 INFO [stderr]    |                            |
Dec 05 08:23:09.571 INFO [stderr]    |                            help: remove this `mut`
Dec 05 08:23:09.571 INFO [stderr]    |
Dec 05 08:23:09.571 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:23:09.571 INFO [stderr] 
Dec 05 08:23:09.571 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.571 INFO [stderr]   --> src/lib.rs:64:18
Dec 05 08:23:09.571 INFO [stderr]    |
Dec 05 08:23:09.571 INFO [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
Dec 05 08:23:09.571 INFO [stderr]    |                  ----^^^^
Dec 05 08:23:09.571 INFO [stderr]    |                  |
Dec 05 08:23:09.571 INFO [stderr]    |                  help: remove this `mut`
Dec 05 08:23:09.571 INFO [stderr] 
Dec 05 08:23:09.588 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:23:09.588 INFO [stderr]    --> src/lib.rs:289:18
Dec 05 08:23:09.588 INFO [stderr]     |
Dec 05 08:23:09.588 INFO [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
Dec 05 08:23:09.588 INFO [stderr]     |                  ----^^^^
Dec 05 08:23:09.588 INFO [stderr]     |                  |
Dec 05 08:23:09.588 INFO [stderr]     |                  help: remove this `mut`
Dec 05 08:23:09.588 INFO [stderr] 
Dec 05 08:23:09.703 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Dec 05 08:23:09.713 INFO [stderr] su: No module specific data is present
Dec 05 08:23:10.213 INFO running `"docker" "inspect" "2679ccb1584f12da1d41b3a365efaa67941a6846dd24e42189c0c7bb7d482078"`
Dec 05 08:23:10.332 INFO running `"docker" "rm" "-f" "2679ccb1584f12da1d41b3a365efaa67941a6846dd24e42189c0c7bb7d482078"`
Dec 05 08:23:10.446 INFO [stdout] 2679ccb1584f12da1d41b3a365efaa67941a6846dd24e42189c0c7bb7d482078