Dec 18 18:30:21.872 INFO checking anycollections-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:30:21.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/anycollections/0.2.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:30:22.058 INFO [stdout] c4e7e4fcfcc626a711bdea9e5efdb341ea0f590a6873519674921094510d8444
Dec 18 18:30:22.059 INFO running `"docker" "start" "-a" "c4e7e4fcfcc626a711bdea9e5efdb341ea0f590a6873519674921094510d8444"`
Dec 18 18:30:22.588 INFO [stderr]     Checking anycollections v0.2.0 (/opt/crater/workdir)
Dec 18 18:30:22.802 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:30:22.802 INFO [stderr]   --> src/anyhashmap.rs:65:35
Dec 18 18:30:22.802 INFO [stderr]    |
Dec 18 18:30:22.802 INFO [stderr] 65 |         self.data.get_mut(k).map(|mut v| unsafe {
Dec 18 18:30:22.802 INFO [stderr]    |                                   ----^
Dec 18 18:30:22.802 INFO [stderr]    |                                   |
Dec 18 18:30:22.802 INFO [stderr]    |                                   help: remove this `mut`
Dec 18 18:30:22.802 INFO [stderr]    |
Dec 18 18:30:22.802 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:30:22.802 INFO [stderr] 
Dec 18 18:30:22.802 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:30:22.802 INFO [stderr]   --> src/anyvec.rs:68:39
Dec 18 18:30:22.802 INFO [stderr]    |
Dec 18 18:30:22.802 INFO [stderr] 68 |         self.data.get_mut(index).map(|mut v| unsafe {
Dec 18 18:30:22.802 INFO [stderr]    |                                       ----^
Dec 18 18:30:22.802 INFO [stderr]    |                                       |
Dec 18 18:30:22.802 INFO [stderr]    |                                       help: remove this `mut`
Dec 18 18:30:22.802 INFO [stderr] 
Dec 18 18:30:23.061 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:30:23.061 INFO [stderr]   --> src/anyhashmap.rs:65:35
Dec 18 18:30:23.061 INFO [stderr]    |
Dec 18 18:30:23.061 INFO [stderr] 65 |         self.data.get_mut(k).map(|mut v| unsafe {
Dec 18 18:30:23.061 INFO [stderr]    |                                   ----^
Dec 18 18:30:23.061 INFO [stderr]    |                                   |
Dec 18 18:30:23.061 INFO [stderr]    |                                   help: remove this `mut`
Dec 18 18:30:23.061 INFO [stderr]    |
Dec 18 18:30:23.061 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:30:23.061 INFO [stderr] 
Dec 18 18:30:23.086 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:30:23.086 INFO [stderr]   --> src/anyvec.rs:68:39
Dec 18 18:30:23.086 INFO [stderr]    |
Dec 18 18:30:23.086 INFO [stderr] 68 |         self.data.get_mut(index).map(|mut v| unsafe {
Dec 18 18:30:23.086 INFO [stderr]    |                                       ----^
Dec 18 18:30:23.086 INFO [stderr]    |                                       |
Dec 18 18:30:23.086 INFO [stderr]    |                                       help: remove this `mut`
Dec 18 18:30:23.086 INFO [stderr] 
Dec 18 18:30:23.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 18:30:23.374 INFO running `"docker" "inspect" "c4e7e4fcfcc626a711bdea9e5efdb341ea0f590a6873519674921094510d8444"`
Dec 18 18:30:23.462 INFO running `"docker" "rm" "-f" "c4e7e4fcfcc626a711bdea9e5efdb341ea0f590a6873519674921094510d8444"`
Dec 18 18:30:23.591 INFO [stdout] c4e7e4fcfcc626a711bdea9e5efdb341ea0f590a6873519674921094510d8444