Dec 18 02:07:41.345 INFO checking crazymerlyn/engine against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:07:41.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/crazymerlyn/engine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:07:41.740 INFO [stdout] 841cea69e553596dbb2ebe79d495180726d9695e5dd167778484eb0d841846be
Dec 18 02:07:41.742 INFO running `"docker" "start" "-a" "841cea69e553596dbb2ebe79d495180726d9695e5dd167778484eb0d841846be"`
Dec 18 02:07:43.449 INFO [stderr]     Checking engine v0.1.0 (/opt/crater/workdir)
Dec 18 02:07:44.003 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.003 INFO [stderr]    --> src/boxes.rs:106:13
Dec 18 02:07:44.003 INFO [stderr]     |
Dec 18 02:07:44.003 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 18 02:07:44.003 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 18 02:07:44.003 INFO [stderr]     |             |
Dec 18 02:07:44.003 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.003 INFO [stderr]     |
Dec 18 02:07:44.012 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:07:44.012 INFO [stderr] 
Dec 18 02:07:44.012 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.012 INFO [stderr]    --> src/boxes.rs:107:13
Dec 18 02:07:44.012 INFO [stderr]     |
Dec 18 02:07:44.012 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 18 02:07:44.012 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 18 02:07:44.012 INFO [stderr]     |             |
Dec 18 02:07:44.012 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.012 INFO [stderr] 
Dec 18 02:07:44.012 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.012 INFO [stderr]    --> src/boxes.rs:109:13
Dec 18 02:07:44.012 INFO [stderr]     |
Dec 18 02:07:44.012 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 18 02:07:44.012 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 18 02:07:44.012 INFO [stderr]     |             |
Dec 18 02:07:44.012 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.012 INFO [stderr] 
Dec 18 02:07:44.012 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.012 INFO [stderr]    --> src/boxes.rs:110:13
Dec 18 02:07:44.012 INFO [stderr]     |
Dec 18 02:07:44.012 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 18 02:07:44.012 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 18 02:07:44.012 INFO [stderr]     |             |
Dec 18 02:07:44.012 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.012 INFO [stderr] 
Dec 18 02:07:44.043 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.043 INFO [stderr]    --> src/boxes.rs:106:13
Dec 18 02:07:44.043 INFO [stderr]     |
Dec 18 02:07:44.043 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 18 02:07:44.043 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 18 02:07:44.043 INFO [stderr]     |             |
Dec 18 02:07:44.043 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.043 INFO [stderr]     |
Dec 18 02:07:44.043 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:07:44.043 INFO [stderr] 
Dec 18 02:07:44.043 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.043 INFO [stderr]    --> src/boxes.rs:107:13
Dec 18 02:07:44.043 INFO [stderr]     |
Dec 18 02:07:44.043 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 18 02:07:44.043 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 18 02:07:44.043 INFO [stderr]     |             |
Dec 18 02:07:44.043 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.043 INFO [stderr] 
Dec 18 02:07:44.043 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.044 INFO [stderr]    --> src/boxes.rs:109:13
Dec 18 02:07:44.044 INFO [stderr]     |
Dec 18 02:07:44.044 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 18 02:07:44.044 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 18 02:07:44.044 INFO [stderr]     |             |
Dec 18 02:07:44.044 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.044 INFO [stderr] 
Dec 18 02:07:44.044 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:07:44.044 INFO [stderr]    --> src/boxes.rs:110:13
Dec 18 02:07:44.044 INFO [stderr]     |
Dec 18 02:07:44.044 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 18 02:07:44.044 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 18 02:07:44.044 INFO [stderr]     |             |
Dec 18 02:07:44.044 INFO [stderr]     |             help: remove this `mut`
Dec 18 02:07:44.044 INFO [stderr] 
Dec 18 02:07:44.096 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 18 02:07:44.707 INFO running `"docker" "inspect" "841cea69e553596dbb2ebe79d495180726d9695e5dd167778484eb0d841846be"`
Dec 18 02:07:44.922 INFO running `"docker" "rm" "-f" "841cea69e553596dbb2ebe79d495180726d9695e5dd167778484eb0d841846be"`
Dec 18 02:07:45.204 INFO [stdout] 841cea69e553596dbb2ebe79d495180726d9695e5dd167778484eb0d841846be