Dec 11 15:13:20.825 INFO checking kotokz/tc_tool against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:13:20.826 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 15:13:21.411 INFO [stdout] e23d62e5dc17b3a98a762ec68ea99d56de1070294c715f6a71d9a4fb5a39494e
Dec 11 15:13:21.413 INFO running `"docker" "start" "-a" "e23d62e5dc17b3a98a762ec68ea99d56de1070294c715f6a71d9a4fb5a39494e"`
Dec 11 15:13:22.696 INFO [stderr] usermod: no changes
Dec 11 15:13:22.875 INFO [stderr]     Checking tc_tool v0.1.0 (/source)
Dec 11 15:13:24.718 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.718 INFO [stderr]   --> src/logresult.rs:56:17
Dec 11 15:13:24.718 INFO [stderr]    |
Dec 11 15:13:24.718 INFO [stderr] 56 |             let mut result = self.0
Dec 11 15:13:24.718 INFO [stderr]    |                 ----^^^^^^
Dec 11 15:13:24.718 INFO [stderr]    |                 |
Dec 11 15:13:24.718 INFO [stderr]    |                 help: remove this `mut`
Dec 11 15:13:24.718 INFO [stderr]    |
Dec 11 15:13:24.718 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:13:24.718 INFO [stderr] 
Dec 11 15:13:24.724 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.724 INFO [stderr]    --> src/logresult.rs:131:13
Dec 11 15:13:24.724 INFO [stderr]     |
Dec 11 15:13:24.724 INFO [stderr] 131 |         let mut result = self.map
Dec 11 15:13:24.724 INFO [stderr]     |             ----^^^^^^
Dec 11 15:13:24.724 INFO [stderr]     |             |
Dec 11 15:13:24.724 INFO [stderr]     |             help: remove this `mut`
Dec 11 15:13:24.724 INFO [stderr] 
Dec 11 15:13:24.856 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.856 INFO [stderr]   --> src/logresult.rs:56:17
Dec 11 15:13:24.856 INFO [stderr]    |
Dec 11 15:13:24.856 INFO [stderr] 56 |             let mut result = self.0
Dec 11 15:13:24.856 INFO [stderr]    |                 ----^^^^^^
Dec 11 15:13:24.856 INFO [stderr]    |                 |
Dec 11 15:13:24.856 INFO [stderr]    |                 help: remove this `mut`
Dec 11 15:13:24.856 INFO [stderr]    |
Dec 11 15:13:24.856 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:13:24.856 INFO [stderr] 
Dec 11 15:13:24.866 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:13:24.866 INFO [stderr]    --> src/logresult.rs:131:13
Dec 11 15:13:24.866 INFO [stderr]     |
Dec 11 15:13:24.866 INFO [stderr] 131 |         let mut result = self.map
Dec 11 15:13:24.866 INFO [stderr]     |             ----^^^^^^
Dec 11 15:13:24.866 INFO [stderr]     |             |
Dec 11 15:13:24.866 INFO [stderr]     |             help: remove this `mut`
Dec 11 15:13:24.866 INFO [stderr] 
Dec 11 15:13:25.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
Dec 11 15:13:25.012 INFO [stderr] su: No module specific data is present
Dec 11 15:13:25.724 INFO running `"docker" "inspect" "e23d62e5dc17b3a98a762ec68ea99d56de1070294c715f6a71d9a4fb5a39494e"`
Dec 11 15:13:26.016 INFO running `"docker" "rm" "-f" "e23d62e5dc17b3a98a762ec68ea99d56de1070294c715f6a71d9a4fb5a39494e"`
Dec 11 15:13:26.404 INFO [stdout] e23d62e5dc17b3a98a762ec68ea99d56de1070294c715f6a71d9a4fb5a39494e