Nov 30 00:37:31.861 INFO checking jrobar/Twelve-Days-of-Christmas against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:37:31.861 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 00:37:32.364 INFO [stdout] 6874c3c457ef779880763ed9e1bf6073d3ba8b4e2c5a065aebead4eb9f93930f
Nov 30 00:37:32.366 INFO running `"docker" "start" "-a" "6874c3c457ef779880763ed9e1bf6073d3ba8b4e2c5a065aebead4eb9f93930f"`
Nov 30 00:37:33.378 INFO [stderr] usermod: no changes
Nov 30 00:37:33.428 INFO [stderr]     Checking twelve_days_of_christmas v0.1.0 (/source)
Nov 30 00:37:33.848 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:37:33.848 INFO [stderr]  --> src/main.rs:6:9
Nov 30 00:37:33.848 INFO [stderr]   |
Nov 30 00:37:33.848 INFO [stderr] 6 |     let mut n = 11;
Nov 30 00:37:33.848 INFO [stderr]   |         ----^
Nov 30 00:37:33.848 INFO [stderr]   |         |
Nov 30 00:37:33.848 INFO [stderr]   |         help: remove this `mut`
Nov 30 00:37:33.848 INFO [stderr]   |
Nov 30 00:37:33.848 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 00:37:33.848 INFO [stderr] 
Nov 30 00:37:33.928 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:37:33.928 INFO [stderr]  --> src/main.rs:6:9
Nov 30 00:37:33.928 INFO [stderr]   |
Nov 30 00:37:33.928 INFO [stderr] 6 |     let mut n = 11;
Nov 30 00:37:33.928 INFO [stderr]   |         ----^
Nov 30 00:37:33.928 INFO [stderr]   |         |
Nov 30 00:37:33.928 INFO [stderr]   |         help: remove this `mut`
Nov 30 00:37:33.928 INFO [stderr]   |
Nov 30 00:37:33.928 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 00:37:33.928 INFO [stderr] 
Nov 30 00:37:33.957 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Nov 30 00:37:33.974 INFO [stderr] su: No module specific data is present
Nov 30 00:37:34.673 INFO running `"docker" "inspect" "6874c3c457ef779880763ed9e1bf6073d3ba8b4e2c5a065aebead4eb9f93930f"`
Nov 30 00:37:35.100 INFO running `"docker" "rm" "-f" "6874c3c457ef779880763ed9e1bf6073d3ba8b4e2c5a065aebead4eb9f93930f"`
Nov 30 00:37:35.399 INFO [stdout] 6874c3c457ef779880763ed9e1bf6073d3ba8b4e2c5a065aebead4eb9f93930f