Dec 04 08:26:15.832 INFO checking tmwbook/rcsim against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:26:15.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 04 08:26:16.427 INFO [stdout] 2dbe6af6499982921e8878c0855602ac6d4fb69881a07a73d78ac93826931087
Dec 04 08:26:16.429 INFO running `"docker" "start" "-a" "2dbe6af6499982921e8878c0855602ac6d4fb69881a07a73d78ac93826931087"`
Dec 04 08:26:18.363 INFO [stderr] usermod: no changes
Dec 04 08:26:18.563 INFO [stderr]     Checking clap v2.29.0
Dec 04 08:26:25.989 INFO [stderr]     Checking rcsim v0.1.0 (/source)
Dec 04 08:26:26.515 INFO [stderr] warning: unused variable: `line`
Dec 04 08:26:26.515 INFO [stderr]   --> src/main.rs:73:21
Dec 04 08:26:26.515 INFO [stderr]    |
Dec 04 08:26:26.515 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 04 08:26:26.515 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 04 08:26:26.515 INFO [stderr]    |
Dec 04 08:26:26.515 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:26:26.515 INFO [stderr] 
Dec 04 08:26:26.523 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:26:26.523 INFO [stderr]   --> src/main.rs:50:9
Dec 04 08:26:26.523 INFO [stderr]    |
Dec 04 08:26:26.523 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 04 08:26:26.523 INFO [stderr]    |         ----^^^^^
Dec 04 08:26:26.523 INFO [stderr]    |         |
Dec 04 08:26:26.523 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:26:26.523 INFO [stderr]    |
Dec 04 08:26:26.523 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:26:26.523 INFO [stderr] 
Dec 04 08:26:26.694 INFO [stderr] warning: unused variable: `line`
Dec 04 08:26:26.694 INFO [stderr]   --> src/main.rs:73:21
Dec 04 08:26:26.694 INFO [stderr]    |
Dec 04 08:26:26.694 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 04 08:26:26.694 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 04 08:26:26.694 INFO [stderr]    |
Dec 04 08:26:26.694 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:26:26.694 INFO [stderr] 
Dec 04 08:26:26.711 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:26:26.711 INFO [stderr]   --> src/main.rs:50:9
Dec 04 08:26:26.711 INFO [stderr]    |
Dec 04 08:26:26.711 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 04 08:26:26.711 INFO [stderr]    |         ----^^^^^
Dec 04 08:26:26.711 INFO [stderr]    |         |
Dec 04 08:26:26.711 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:26:26.711 INFO [stderr]    |
Dec 04 08:26:26.711 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:26:26.711 INFO [stderr] 
Dec 04 08:26:26.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
Dec 04 08:26:26.787 INFO [stderr] su: No module specific data is present
Dec 04 08:26:27.937 INFO running `"docker" "inspect" "2dbe6af6499982921e8878c0855602ac6d4fb69881a07a73d78ac93826931087"`
Dec 04 08:26:28.271 INFO running `"docker" "rm" "-f" "2dbe6af6499982921e8878c0855602ac6d4fb69881a07a73d78ac93826931087"`
Dec 04 08:26:28.579 INFO [stdout] 2dbe6af6499982921e8878c0855602ac6d4fb69881a07a73d78ac93826931087