Dec 04 15:35:41.116 INFO checking kotokz/tc_tool against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:35:41.116 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15:35:41.700 INFO [stdout] 97a84e55b1a35adfe7b9213573f28171c7ad17c89c31c2bf73339b9194fa8bbf
Dec 04 15:35:41.702 INFO running `"docker" "start" "-a" "97a84e55b1a35adfe7b9213573f28171c7ad17c89c31c2bf73339b9194fa8bbf"`
Dec 04 15:35:44.263 INFO [stderr] usermod: no changes
Dec 04 15:35:44.391 INFO [stderr]     Checking tc_tool v0.1.0 (/source)
Dec 04 15:35:45.915 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:35:45.915 INFO [stderr]   --> src/logresult.rs:56:17
Dec 04 15:35:45.915 INFO [stderr]    |
Dec 04 15:35:45.915 INFO [stderr] 56 |             let mut result = self.0
Dec 04 15:35:45.915 INFO [stderr]    |                 ----^^^^^^
Dec 04 15:35:45.915 INFO [stderr]    |                 |
Dec 04 15:35:45.915 INFO [stderr]    |                 help: remove this `mut`
Dec 04 15:35:45.915 INFO [stderr]    |
Dec 04 15:35:45.915 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:35:45.915 INFO [stderr] 
Dec 04 15:35:45.918 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:35:45.918 INFO [stderr]    --> src/logresult.rs:131:13
Dec 04 15:35:45.918 INFO [stderr]     |
Dec 04 15:35:45.918 INFO [stderr] 131 |         let mut result = self.map
Dec 04 15:35:45.918 INFO [stderr]     |             ----^^^^^^
Dec 04 15:35:45.918 INFO [stderr]     |             |
Dec 04 15:35:45.918 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:35:45.918 INFO [stderr] 
Dec 04 15:35:46.231 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:35:46.231 INFO [stderr]   --> src/logresult.rs:56:17
Dec 04 15:35:46.231 INFO [stderr]    |
Dec 04 15:35:46.231 INFO [stderr] 56 |             let mut result = self.0
Dec 04 15:35:46.231 INFO [stderr]    |                 ----^^^^^^
Dec 04 15:35:46.231 INFO [stderr]    |                 |
Dec 04 15:35:46.231 INFO [stderr]    |                 help: remove this `mut`
Dec 04 15:35:46.231 INFO [stderr]    |
Dec 04 15:35:46.231 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:35:46.231 INFO [stderr] 
Dec 04 15:35:46.239 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:35:46.239 INFO [stderr]    --> src/logresult.rs:131:13
Dec 04 15:35:46.239 INFO [stderr]     |
Dec 04 15:35:46.239 INFO [stderr] 131 |         let mut result = self.map
Dec 04 15:35:46.239 INFO [stderr]     |             ----^^^^^^
Dec 04 15:35:46.239 INFO [stderr]     |             |
Dec 04 15:35:46.239 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:35:46.239 INFO [stderr] 
Dec 04 15:35:46.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 04 15:35:46.351 INFO [stderr] su: No module specific data is present
Dec 04 15:35:47.259 INFO running `"docker" "inspect" "97a84e55b1a35adfe7b9213573f28171c7ad17c89c31c2bf73339b9194fa8bbf"`
Dec 04 15:35:47.517 INFO running `"docker" "rm" "-f" "97a84e55b1a35adfe7b9213573f28171c7ad17c89c31c2bf73339b9194fa8bbf"`
Dec 04 15:35:47.855 INFO [stdout] 97a84e55b1a35adfe7b9213573f28171c7ad17c89c31c2bf73339b9194fa8bbf