Dec 04 20:35:35.951 INFO checking crazymerlyn/engine against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:35:35.951 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 04 20:35:36.477 INFO [stdout] 9c81c053db0b6637454925ecfd97574dc6fb757e3333eb642870b1c0fe919912
Dec 04 20:35:36.483 INFO running `"docker" "start" "-a" "9c81c053db0b6637454925ecfd97574dc6fb757e3333eb642870b1c0fe919912"`
Dec 04 20:35:37.847 INFO [stderr] usermod: no changes
Dec 04 20:35:37.891 INFO [stderr]     Checking engine v0.1.0 (/source)
Dec 04 20:35:38.483 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.483 INFO [stderr]    --> src/boxes.rs:106:13
Dec 04 20:35:38.483 INFO [stderr]     |
Dec 04 20:35:38.483 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 04 20:35:38.483 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 04 20:35:38.483 INFO [stderr]     |             |
Dec 04 20:35:38.483 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.483 INFO [stderr]     |
Dec 04 20:35:38.483 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:35:38.483 INFO [stderr] 
Dec 04 20:35:38.483 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.483 INFO [stderr]    --> src/boxes.rs:107:13
Dec 04 20:35:38.483 INFO [stderr]     |
Dec 04 20:35:38.483 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 04 20:35:38.483 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.483 INFO [stderr]     |             |
Dec 04 20:35:38.483 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.483 INFO [stderr] 
Dec 04 20:35:38.483 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.483 INFO [stderr]    --> src/boxes.rs:109:13
Dec 04 20:35:38.483 INFO [stderr]     |
Dec 04 20:35:38.483 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 04 20:35:38.483 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.483 INFO [stderr]     |             |
Dec 04 20:35:38.483 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.483 INFO [stderr] 
Dec 04 20:35:38.483 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.483 INFO [stderr]    --> src/boxes.rs:110:13
Dec 04 20:35:38.483 INFO [stderr]     |
Dec 04 20:35:38.483 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 04 20:35:38.483 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 04 20:35:38.483 INFO [stderr]     |             |
Dec 04 20:35:38.483 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.483 INFO [stderr] 
Dec 04 20:35:38.675 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.675 INFO [stderr]    --> src/boxes.rs:106:13
Dec 04 20:35:38.675 INFO [stderr]     |
Dec 04 20:35:38.675 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 04 20:35:38.675 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 04 20:35:38.675 INFO [stderr]     |             |
Dec 04 20:35:38.675 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.675 INFO [stderr]     |
Dec 04 20:35:38.675 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:35:38.675 INFO [stderr] 
Dec 04 20:35:38.675 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.675 INFO [stderr]    --> src/boxes.rs:107:13
Dec 04 20:35:38.675 INFO [stderr]     |
Dec 04 20:35:38.675 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 04 20:35:38.675 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.675 INFO [stderr]     |             |
Dec 04 20:35:38.675 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.675 INFO [stderr] 
Dec 04 20:35:38.675 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.675 INFO [stderr]    --> src/boxes.rs:109:13
Dec 04 20:35:38.675 INFO [stderr]     |
Dec 04 20:35:38.675 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 04 20:35:38.675 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.675 INFO [stderr]     |             |
Dec 04 20:35:38.675 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.675 INFO [stderr] 
Dec 04 20:35:38.675 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.675 INFO [stderr]    --> src/boxes.rs:110:13
Dec 04 20:35:38.675 INFO [stderr]     |
Dec 04 20:35:38.675 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 04 20:35:38.675 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 04 20:35:38.675 INFO [stderr]     |             |
Dec 04 20:35:38.675 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.675 INFO [stderr] 
Dec 04 20:35:38.714 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 04 20:35:38.731 INFO [stderr] su: No module specific data is present
Dec 04 20:35:39.294 INFO running `"docker" "inspect" "9c81c053db0b6637454925ecfd97574dc6fb757e3333eb642870b1c0fe919912"`
Dec 04 20:35:39.623 INFO running `"docker" "rm" "-f" "9c81c053db0b6637454925ecfd97574dc6fb757e3333eb642870b1c0fe919912"`
Dec 04 20:35:39.963 INFO [stdout] 9c81c053db0b6637454925ecfd97574dc6fb757e3333eb642870b1c0fe919912