Dec 05 06:17:15.836 INFO checking spectral-0.6.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:17:15.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 06:17:16.231 INFO [stdout] 0ea0098a3f2b7813f59ca0432fccb05b21e973f194991bf81ef4c39281f6d4be
Dec 05 06:17:16.239 INFO running `"docker" "start" "-a" "0ea0098a3f2b7813f59ca0432fccb05b21e973f194991bf81ef4c39281f6d4be"`
Dec 05 06:17:17.543 INFO [stderr] usermod: no changes
Dec 05 06:17:17.647 INFO [stderr]     Checking spectral v0.6.0 (/source)
Dec 05 06:17:20.119 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:20.119 INFO [stderr]    --> src/lib.rs:318:13
Dec 05 06:17:20.120 INFO [stderr]     |
Dec 05 06:17:20.120 INFO [stderr] 318 |         let mut assertion = self;
Dec 05 06:17:20.120 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:20.120 INFO [stderr]     |             |
Dec 05 06:17:20.120 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:20.121 INFO [stderr]     |
Dec 05 06:17:20.121 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:17:20.121 INFO [stderr] 
Dec 05 06:17:20.121 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:20.122 INFO [stderr]    --> src/lib.rs:326:13
Dec 05 06:17:20.122 INFO [stderr]     |
Dec 05 06:17:20.122 INFO [stderr] 326 |         let mut assertion = self;
Dec 05 06:17:20.122 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:20.123 INFO [stderr]     |             |
Dec 05 06:17:20.123 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:20.123 INFO [stderr] 
Dec 05 06:17:20.529 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:20.529 INFO [stderr]    --> src/lib.rs:318:13
Dec 05 06:17:20.530 INFO [stderr]     |
Dec 05 06:17:20.530 INFO [stderr] 318 |         let mut assertion = self;
Dec 05 06:17:20.530 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:20.530 INFO [stderr]     |             |
Dec 05 06:17:20.531 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:20.531 INFO [stderr]     |
Dec 05 06:17:20.531 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:17:20.532 INFO [stderr] 
Dec 05 06:17:20.532 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:20.532 INFO [stderr]    --> src/lib.rs:326:13
Dec 05 06:17:20.532 INFO [stderr]     |
Dec 05 06:17:20.533 INFO [stderr] 326 |         let mut assertion = self;
Dec 05 06:17:20.533 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:20.533 INFO [stderr]     |             |
Dec 05 06:17:20.534 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:20.534 INFO [stderr] 
Dec 05 06:17:20.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Dec 05 06:17:20.840 INFO [stderr] su: No module specific data is present
Dec 05 06:17:22.247 INFO running `"docker" "inspect" "0ea0098a3f2b7813f59ca0432fccb05b21e973f194991bf81ef4c39281f6d4be"`
Dec 05 06:17:22.636 INFO running `"docker" "rm" "-f" "0ea0098a3f2b7813f59ca0432fccb05b21e973f194991bf81ef4c39281f6d4be"`
Dec 05 06:17:22.967 INFO [stdout] 0ea0098a3f2b7813f59ca0432fccb05b21e973f194991bf81ef4c39281f6d4be