Dec 11 07:35:28.767 INFO checking tmwbook/rcsim against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:35:28.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 07:35:29.282 INFO [stdout] 68f5f6d132ec96f0409ca1ad66fcd099513750c97e84342c709f6147a5e88e7c
Dec 11 07:35:29.284 INFO running `"docker" "start" "-a" "68f5f6d132ec96f0409ca1ad66fcd099513750c97e84342c709f6147a5e88e7c"`
Dec 11 07:35:31.565 INFO [stderr] usermod: no changes
Dec 11 07:35:31.693 INFO [stderr]     Checking clap v2.29.0
Dec 11 07:35:39.332 INFO [stderr]     Checking rcsim v0.1.0 (/source)
Dec 11 07:35:39.664 INFO [stderr] warning: unused variable: `line`
Dec 11 07:35:39.664 INFO [stderr]   --> src/main.rs:73:21
Dec 11 07:35:39.664 INFO [stderr]    |
Dec 11 07:35:39.664 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 11 07:35:39.664 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 11 07:35:39.664 INFO [stderr]    |
Dec 11 07:35:39.664 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:35:39.664 INFO [stderr] 
Dec 11 07:35:39.664 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:35:39.664 INFO [stderr]   --> src/main.rs:50:9
Dec 11 07:35:39.664 INFO [stderr]    |
Dec 11 07:35:39.664 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 11 07:35:39.664 INFO [stderr]    |         ----^^^^^
Dec 11 07:35:39.664 INFO [stderr]    |         |
Dec 11 07:35:39.664 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:35:39.664 INFO [stderr]    |
Dec 11 07:35:39.664 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:35:39.664 INFO [stderr] 
Dec 11 07:35:39.937 INFO [stderr] warning: unused variable: `line`
Dec 11 07:35:39.937 INFO [stderr]   --> src/main.rs:73:21
Dec 11 07:35:39.937 INFO [stderr]    |
Dec 11 07:35:39.937 INFO [stderr] 73 |             let mut line = CacheLine{valid: false, tag: 0};
Dec 11 07:35:39.937 INFO [stderr]    |                     ^^^^ help: consider using `_line` instead
Dec 11 07:35:39.937 INFO [stderr]    |
Dec 11 07:35:39.940 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:35:39.940 INFO [stderr] 
Dec 11 07:35:39.952 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:35:39.952 INFO [stderr]   --> src/main.rs:50:9
Dec 11 07:35:39.952 INFO [stderr]    |
Dec 11 07:35:39.952 INFO [stderr] 50 |     let mut stats = Statistics {misses: 0, hits: 0, evictions: 0};
Dec 11 07:35:39.952 INFO [stderr]    |         ----^^^^^
Dec 11 07:35:39.952 INFO [stderr]    |         |
Dec 11 07:35:39.952 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:35:39.952 INFO [stderr]    |
Dec 11 07:35:39.952 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:35:39.952 INFO [stderr] 
Dec 11 07:35:40.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.41s
Dec 11 07:35:40.017 INFO [stderr] su: No module specific data is present
Dec 11 07:35:41.030 INFO running `"docker" "inspect" "68f5f6d132ec96f0409ca1ad66fcd099513750c97e84342c709f6147a5e88e7c"`
Dec 11 07:35:41.306 INFO running `"docker" "rm" "-f" "68f5f6d132ec96f0409ca1ad66fcd099513750c97e84342c709f6147a5e88e7c"`
Dec 11 07:35:41.612 INFO [stdout] 68f5f6d132ec96f0409ca1ad66fcd099513750c97e84342c709f6147a5e88e7c