Nov 30 04:56:55.745 INFO checking crazymerlyn/engine against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 04:56:55.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04:56:56.206 INFO [stdout] 263c9d0c6876dec48df1367ca2c2f25c302a666d7b1080c4b67f5733cc306247
Nov 30 04:56:56.208 INFO running `"docker" "start" "-a" "263c9d0c6876dec48df1367ca2c2f25c302a666d7b1080c4b67f5733cc306247"`
Nov 30 04:56:57.128 INFO [stderr] usermod: no changes
Nov 30 04:56:57.169 INFO [stderr]     Checking engine v0.1.0 (/source)
Nov 30 04:56:57.796 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.796 INFO [stderr]    --> src/boxes.rs:106:13
Nov 30 04:56:57.796 INFO [stderr]     |
Nov 30 04:56:57.796 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Nov 30 04:56:57.796 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 30 04:56:57.796 INFO [stderr]     |             |
Nov 30 04:56:57.796 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.796 INFO [stderr]     |
Nov 30 04:56:57.796 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 04:56:57.796 INFO [stderr] 
Nov 30 04:56:57.796 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.797 INFO [stderr]    --> src/boxes.rs:107:13
Nov 30 04:56:57.797 INFO [stderr]     |
Nov 30 04:56:57.797 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Nov 30 04:56:57.797 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 30 04:56:57.797 INFO [stderr]     |             |
Nov 30 04:56:57.797 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.797 INFO [stderr] 
Nov 30 04:56:57.797 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.797 INFO [stderr]    --> src/boxes.rs:109:13
Nov 30 04:56:57.797 INFO [stderr]     |
Nov 30 04:56:57.797 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Nov 30 04:56:57.797 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 30 04:56:57.797 INFO [stderr]     |             |
Nov 30 04:56:57.797 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.797 INFO [stderr] 
Nov 30 04:56:57.797 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.797 INFO [stderr]    --> src/boxes.rs:110:13
Nov 30 04:56:57.797 INFO [stderr]     |
Nov 30 04:56:57.797 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Nov 30 04:56:57.797 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 30 04:56:57.797 INFO [stderr]     |             |
Nov 30 04:56:57.797 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.797 INFO [stderr] 
Nov 30 04:56:57.880 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.880 INFO [stderr]    --> src/boxes.rs:106:13
Nov 30 04:56:57.880 INFO [stderr]     |
Nov 30 04:56:57.880 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Nov 30 04:56:57.880 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 30 04:56:57.880 INFO [stderr]     |             |
Nov 30 04:56:57.880 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.880 INFO [stderr]     |
Nov 30 04:56:57.880 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 04:56:57.880 INFO [stderr] 
Nov 30 04:56:57.880 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.880 INFO [stderr]    --> src/boxes.rs:107:13
Nov 30 04:56:57.880 INFO [stderr]     |
Nov 30 04:56:57.880 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Nov 30 04:56:57.880 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 30 04:56:57.880 INFO [stderr]     |             |
Nov 30 04:56:57.880 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.881 INFO [stderr] 
Nov 30 04:56:57.881 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.881 INFO [stderr]    --> src/boxes.rs:109:13
Nov 30 04:56:57.881 INFO [stderr]     |
Nov 30 04:56:57.881 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Nov 30 04:56:57.881 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 30 04:56:57.881 INFO [stderr]     |             |
Nov 30 04:56:57.881 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.881 INFO [stderr] 
Nov 30 04:56:57.881 INFO [stderr] warning: variable does not need to be mutable
Nov 30 04:56:57.881 INFO [stderr]    --> src/boxes.rs:110:13
Nov 30 04:56:57.881 INFO [stderr]     |
Nov 30 04:56:57.881 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Nov 30 04:56:57.881 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 30 04:56:57.881 INFO [stderr]     |             |
Nov 30 04:56:57.881 INFO [stderr]     |             help: remove this `mut`
Nov 30 04:56:57.881 INFO [stderr] 
Nov 30 04:56:57.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 30 04:56:57.930 INFO [stderr] su: No module specific data is present
Nov 30 04:56:58.590 INFO running `"docker" "inspect" "263c9d0c6876dec48df1367ca2c2f25c302a666d7b1080c4b67f5733cc306247"`
Nov 30 04:56:58.811 INFO running `"docker" "rm" "-f" "263c9d0c6876dec48df1367ca2c2f25c302a666d7b1080c4b67f5733cc306247"`
Nov 30 04:56:59.043 INFO [stdout] 263c9d0c6876dec48df1367ca2c2f25c302a666d7b1080c4b67f5733cc306247