Nov 28 07:22:53.893 INFO checking crazymerlyn/engine against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:22:53.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 07:22:54.295 INFO [stdout] ae07ff2440d46b5571ea3be12ea96dc1c369736e7d5707a1914c34c6c6f26951
Nov 28 07:22:54.300 INFO running `"docker" "start" "-a" "ae07ff2440d46b5571ea3be12ea96dc1c369736e7d5707a1914c34c6c6f26951"`
Nov 28 07:22:55.410 INFO [stderr] usermod: no changes
Nov 28 07:22:55.497 INFO [stderr]     Checking engine v0.1.0 (/source)
Nov 28 07:22:56.408 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.408 INFO [stderr]    --> src/boxes.rs:106:13
Nov 28 07:22:56.408 INFO [stderr]     |
Nov 28 07:22:56.408 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Nov 28 07:22:56.408 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 28 07:22:56.408 INFO [stderr]     |             |
Nov 28 07:22:56.408 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.408 INFO [stderr]     |
Nov 28 07:22:56.408 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:22:56.408 INFO [stderr] 
Nov 28 07:22:56.408 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.408 INFO [stderr]    --> src/boxes.rs:107:13
Nov 28 07:22:56.408 INFO [stderr]     |
Nov 28 07:22:56.408 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Nov 28 07:22:56.408 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 28 07:22:56.408 INFO [stderr]     |             |
Nov 28 07:22:56.408 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.408 INFO [stderr] 
Nov 28 07:22:56.408 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.408 INFO [stderr]    --> src/boxes.rs:109:13
Nov 28 07:22:56.408 INFO [stderr]     |
Nov 28 07:22:56.408 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Nov 28 07:22:56.408 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 28 07:22:56.408 INFO [stderr]     |             |
Nov 28 07:22:56.408 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.408 INFO [stderr] 
Nov 28 07:22:56.408 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.408 INFO [stderr]    --> src/boxes.rs:110:13
Nov 28 07:22:56.408 INFO [stderr]     |
Nov 28 07:22:56.408 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Nov 28 07:22:56.408 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 28 07:22:56.408 INFO [stderr]     |             |
Nov 28 07:22:56.408 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.408 INFO [stderr] 
Nov 28 07:22:56.585 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.585 INFO [stderr]    --> src/boxes.rs:106:13
Nov 28 07:22:56.585 INFO [stderr]     |
Nov 28 07:22:56.586 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Nov 28 07:22:56.586 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 28 07:22:56.586 INFO [stderr]     |             |
Nov 28 07:22:56.587 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.587 INFO [stderr]     |
Nov 28 07:22:56.587 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 07:22:56.587 INFO [stderr] 
Nov 28 07:22:56.588 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.588 INFO [stderr]    --> src/boxes.rs:107:13
Nov 28 07:22:56.588 INFO [stderr]     |
Nov 28 07:22:56.588 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Nov 28 07:22:56.589 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 28 07:22:56.589 INFO [stderr]     |             |
Nov 28 07:22:56.589 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.589 INFO [stderr] 
Nov 28 07:22:56.590 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.590 INFO [stderr]    --> src/boxes.rs:109:13
Nov 28 07:22:56.590 INFO [stderr]     |
Nov 28 07:22:56.590 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Nov 28 07:22:56.591 INFO [stderr]     |             ----^^^^^^^^^^^^
Nov 28 07:22:56.591 INFO [stderr]     |             |
Nov 28 07:22:56.591 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.591 INFO [stderr] 
Nov 28 07:22:56.592 INFO [stderr] warning: variable does not need to be mutable
Nov 28 07:22:56.592 INFO [stderr]    --> src/boxes.rs:110:13
Nov 28 07:22:56.592 INFO [stderr]     |
Nov 28 07:22:56.593 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Nov 28 07:22:56.593 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 28 07:22:56.593 INFO [stderr]     |             |
Nov 28 07:22:56.593 INFO [stderr]     |             help: remove this `mut`
Nov 28 07:22:56.594 INFO [stderr] 
Nov 28 07:22:56.630 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 28 07:22:56.631 INFO [stderr] su: No module specific data is present
Nov 28 07:22:57.124 INFO running `"docker" "inspect" "ae07ff2440d46b5571ea3be12ea96dc1c369736e7d5707a1914c34c6c6f26951"`
Nov 28 07:22:57.365 INFO running `"docker" "rm" "-f" "ae07ff2440d46b5571ea3be12ea96dc1c369736e7d5707a1914c34c6c6f26951"`
Nov 28 07:22:57.653 INFO [stdout] ae07ff2440d46b5571ea3be12ea96dc1c369736e7d5707a1914c34c6c6f26951