Dec 04 08:26:16.745 INFO checking tmwbook/rcsim against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:26:16.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 08:26:17.272 INFO [stdout] 709cd7f11dd54a19e137c2b8bc764913865fc5979e64358638a258ddcc7f8ff5
Dec 04 08:26:17.274 INFO running `"docker" "start" "-a" "709cd7f11dd54a19e137c2b8bc764913865fc5979e64358638a258ddcc7f8ff5"`
Dec 04 08:26:19.927 INFO [stderr] usermod: no changes
Dec 04 08:26:20.076 INFO [stderr]     Checking rcsim v0.1.0 (/source)
Dec 04 08:26:20.646 INFO [stderr] warning: unused variable: `line`
Dec 04 08:26:20.646 INFO [stderr]   --> src/main.rs:73:21
Dec 04 08:26:20.647 INFO [stderr]    |
Dec 04 08:26:20.647 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 04 08:26:20.647 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 04 08:26:20.648 INFO [stderr]    |
Dec 04 08:26:20.648 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:26:20.648 INFO [stderr] 
Dec 04 08:26:20.650 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:26:20.650 INFO [stderr]   --> src/main.rs:50:9
Dec 04 08:26:20.651 INFO [stderr]    |
Dec 04 08:26:20.651 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 04 08:26:20.651 INFO [stderr]    |         ----^^^^^
Dec 04 08:26:20.652 INFO [stderr]    |         |
Dec 04 08:26:20.652 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:26:20.652 INFO [stderr]    |
Dec 04 08:26:20.652 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:26:20.653 INFO [stderr] 
Dec 04 08:26:20.675 INFO [stderr] warning: unused variable: `line`
Dec 04 08:26:20.675 INFO [stderr]   --> src/main.rs:73:21
Dec 04 08:26:20.675 INFO [stderr]    |
Dec 04 08:26:20.675 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 04 08:26:20.675 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 04 08:26:20.675 INFO [stderr]    |
Dec 04 08:26:20.675 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:26:20.675 INFO [stderr] 
Dec 04 08:26:20.676 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:26:20.676 INFO [stderr]   --> src/main.rs:50:9
Dec 04 08:26:20.676 INFO [stderr]    |
Dec 04 08:26:20.676 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 04 08:26:20.676 INFO [stderr]    |         ----^^^^^
Dec 04 08:26:20.676 INFO [stderr]    |         |
Dec 04 08:26:20.676 INFO [stderr]    |         help: remove this `mut`
Dec 04 08:26:20.676 INFO [stderr]    |
Dec 04 08:26:20.676 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:26:20.676 INFO [stderr] 
Dec 04 08:26:20.735 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 04 08:26:20.739 INFO [stderr] su: No module specific data is present
Dec 04 08:26:22.221 INFO running `"docker" "inspect" "709cd7f11dd54a19e137c2b8bc764913865fc5979e64358638a258ddcc7f8ff5"`
Dec 04 08:26:22.608 INFO running `"docker" "rm" "-f" "709cd7f11dd54a19e137c2b8bc764913865fc5979e64358638a258ddcc7f8ff5"`
Dec 04 08:26:22.972 INFO [stdout] 709cd7f11dd54a19e137c2b8bc764913865fc5979e64358638a258ddcc7f8ff5