Dec 17 13:27:07.857 INFO checking tmwbook/rcsim against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:27:07.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tmwbook/rcsim:/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 17 13:27:08.322 INFO [stdout] 517906108c6c4d2201376738d38164e6c142c7d93cd856142a98385adaaa06e2
Dec 17 13:27:08.322 INFO running `"docker" "start" "-a" "517906108c6c4d2201376738d38164e6c142c7d93cd856142a98385adaaa06e2"`
Dec 17 13:27:09.728 INFO [stderr]     Checking atty v0.2.3
Dec 17 13:27:10.000 INFO [stderr]     Checking clap v2.29.0
Dec 17 13:27:17.340 INFO [stderr]     Checking rcsim v0.1.0 (/opt/crater/workdir)
Dec 17 13:27:17.748 INFO [stderr] warning: unused variable: `line`
Dec 17 13:27:17.749 INFO [stderr]   --> src/main.rs:73:21
Dec 17 13:27:17.749 INFO [stderr]    |
Dec 17 13:27:17.749 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 17 13:27:17.749 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 17 13:27:17.749 INFO [stderr]    |
Dec 17 13:27:17.749 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:27:17.749 INFO [stderr] 
Dec 17 13:27:17.753 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:27:17.753 INFO [stderr]   --> src/main.rs:50:9
Dec 17 13:27:17.753 INFO [stderr]    |
Dec 17 13:27:17.753 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 17 13:27:17.753 INFO [stderr]    |         ----^^^^^
Dec 17 13:27:17.753 INFO [stderr]    |         |
Dec 17 13:27:17.753 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:27:17.753 INFO [stderr]    |
Dec 17 13:27:17.753 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:27:17.753 INFO [stderr] 
Dec 17 13:27:17.768 INFO [stderr] warning: unused variable: `line`
Dec 17 13:27:17.768 INFO [stderr]   --> src/main.rs:73:21
Dec 17 13:27:17.768 INFO [stderr]    |
Dec 17 13:27:17.768 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 17 13:27:17.768 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 17 13:27:17.768 INFO [stderr]    |
Dec 17 13:27:17.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:27:17.768 INFO [stderr] 
Dec 17 13:27:17.771 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:27:17.771 INFO [stderr]   --> src/main.rs:50:9
Dec 17 13:27:17.771 INFO [stderr]    |
Dec 17 13:27:17.771 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 17 13:27:17.771 INFO [stderr]    |         ----^^^^^
Dec 17 13:27:17.771 INFO [stderr]    |         |
Dec 17 13:27:17.771 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:27:17.771 INFO [stderr]    |
Dec 17 13:27:17.771 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:27:17.771 INFO [stderr] 
Dec 17 13:27:17.842 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
Dec 17 13:27:19.308 INFO running `"docker" "inspect" "517906108c6c4d2201376738d38164e6c142c7d93cd856142a98385adaaa06e2"`
Dec 17 13:27:19.624 INFO running `"docker" "rm" "-f" "517906108c6c4d2201376738d38164e6c142c7d93cd856142a98385adaaa06e2"`
Dec 17 13:27:20.000 INFO [stdout] 517906108c6c4d2201376738d38164e6c142c7d93cd856142a98385adaaa06e2