Dec 11 15:13:20.235 INFO checking kotokz/tc_tool against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:13:20.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15:13:20.625 INFO [stdout] 906595f54ff3bf9025e94403ea6892a9c9bcd14151b08fc119fb5b4408ebd72d
Dec 11 15:13:20.630 INFO running `"docker" "start" "-a" "906595f54ff3bf9025e94403ea6892a9c9bcd14151b08fc119fb5b4408ebd72d"`
Dec 11 15:13:21.919 INFO [stderr] usermod: no changes
Dec 11 15:13:22.092 INFO [stderr]     Checking tc_tool v0.1.0 (/source)
Dec 11 15:13:23.698 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:23.699 INFO [stderr]   --> src/logresult.rs:56:17
Dec 11 15:13:23.699 INFO [stderr]    |
Dec 11 15:13:23.699 INFO [stderr] 56 |             let mut result = self.0
Dec 11 15:13:23.700 INFO [stderr]    |                 ----^^^^^^
Dec 11 15:13:23.700 INFO [stderr]    |                 |
Dec 11 15:13:23.700 INFO [stderr]    |                 help: remove this `mut`
Dec 11 15:13:23.700 INFO [stderr]    |
Dec 11 15:13:23.700 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:13:23.700 INFO [stderr] 
Dec 11 15:13:23.722 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:23.722 INFO [stderr]    --> src/logresult.rs:131:13
Dec 11 15:13:23.722 INFO [stderr]     |
Dec 11 15:13:23.722 INFO [stderr] 131 |         let mut result = self.map
Dec 11 15:13:23.722 INFO [stderr]     |             ----^^^^^^
Dec 11 15:13:23.722 INFO [stderr]     |             |
Dec 11 15:13:23.722 INFO [stderr]     |             help: remove this `mut`
Dec 11 15:13:23.722 INFO [stderr] 
Dec 11 15:13:24.023 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.023 INFO [stderr]   --> src/logresult.rs:56:17
Dec 11 15:13:24.023 INFO [stderr]    |
Dec 11 15:13:24.023 INFO [stderr] 56 |             let mut result = self.0
Dec 11 15:13:24.023 INFO [stderr]    |                 ----^^^^^^
Dec 11 15:13:24.023 INFO [stderr]    |                 |
Dec 11 15:13:24.023 INFO [stderr]    |                 help: remove this `mut`
Dec 11 15:13:24.023 INFO [stderr]    |
Dec 11 15:13:24.023 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:13:24.023 INFO [stderr] 
Dec 11 15:13:24.030 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.030 INFO [stderr]    --> src/logresult.rs:131:13
Dec 11 15:13:24.030 INFO [stderr]     |
Dec 11 15:13:24.030 INFO [stderr] 131 |         let mut result = self.map
Dec 11 15:13:24.030 INFO [stderr]     |             ----^^^^^^
Dec 11 15:13:24.030 INFO [stderr]     |             |
Dec 11 15:13:24.030 INFO [stderr]     |             help: remove this `mut`
Dec 11 15:13:24.030 INFO [stderr] 
Dec 11 15:13:24.134 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Dec 11 15:13:24.145 INFO [stderr] su: No module specific data is present
Dec 11 15:13:25.439 INFO running `"docker" "inspect" "906595f54ff3bf9025e94403ea6892a9c9bcd14151b08fc119fb5b4408ebd72d"`
Dec 11 15:13:25.850 INFO running `"docker" "rm" "-f" "906595f54ff3bf9025e94403ea6892a9c9bcd14151b08fc119fb5b4408ebd72d"`
Dec 11 15:13:26.244 INFO [stdout] 906595f54ff3bf9025e94403ea6892a9c9bcd14151b08fc119fb5b4408ebd72d