Dec 11 10:16:20.685 INFO checking saarw/cstruct2rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:16:20.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 10:16:21.165 INFO [stdout] 4f5be9682443490f83a6221e1311fce367dd858467820d124b4fb1a0279ad312
Dec 11 10:16:21.170 INFO running `"docker" "start" "-a" "4f5be9682443490f83a6221e1311fce367dd858467820d124b4fb1a0279ad312"`
Dec 11 10:16:23.024 INFO [stderr] usermod: no changes
Dec 11 10:16:23.068 INFO [stderr]     Checking cstruct2rs v0.0.1 (/source)
Dec 11 10:16:23.538 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.538 INFO [stderr]   --> src/cinfo.rs:90:6
Dec 11 10:16:23.538 INFO [stderr]    |
Dec 11 10:16:23.539 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Dec 11 10:16:23.544 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.544 INFO [stderr]    |         |
Dec 11 10:16:23.544 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.544 INFO [stderr]    |
Dec 11 10:16:23.544 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:16:23.544 INFO [stderr] 
Dec 11 10:16:23.544 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.544 INFO [stderr]   --> src/cinfo.rs:91:6
Dec 11 10:16:23.544 INFO [stderr]    |
Dec 11 10:16:23.544 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Dec 11 10:16:23.544 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.544 INFO [stderr]    |         |
Dec 11 10:16:23.544 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.544 INFO [stderr] 
Dec 11 10:16:23.544 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.544 INFO [stderr]   --> src/cinfo.rs:90:6
Dec 11 10:16:23.544 INFO [stderr]    |
Dec 11 10:16:23.544 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Dec 11 10:16:23.544 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.544 INFO [stderr]    |         |
Dec 11 10:16:23.544 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.544 INFO [stderr]    |
Dec 11 10:16:23.544 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:16:23.544 INFO [stderr] 
Dec 11 10:16:23.544 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.544 INFO [stderr]   --> src/cinfo.rs:91:6
Dec 11 10:16:23.544 INFO [stderr]    |
Dec 11 10:16:23.544 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Dec 11 10:16:23.545 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.545 INFO [stderr]    |         |
Dec 11 10:16:23.545 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.545 INFO [stderr] 
Dec 11 10:16:23.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 11 10:16:23.628 INFO [stderr] su: No module specific data is present
Dec 11 10:16:24.890 INFO running `"docker" "inspect" "4f5be9682443490f83a6221e1311fce367dd858467820d124b4fb1a0279ad312"`
Dec 11 10:16:25.220 INFO running `"docker" "rm" "-f" "4f5be9682443490f83a6221e1311fce367dd858467820d124b4fb1a0279ad312"`
Dec 11 10:16:25.584 INFO [stdout] 4f5be9682443490f83a6221e1311fce367dd858467820d124b4fb1a0279ad312