Dec 04 20:35:35.962 INFO checking crazymerlyn/engine against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:35:35.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 20:35:36.433 INFO [stdout] f98fd724f6f18c1fbaa2c38efb1d23da552fa838160b8a34d9b646481e410ee9
Dec 04 20:35:36.437 INFO running `"docker" "start" "-a" "f98fd724f6f18c1fbaa2c38efb1d23da552fa838160b8a34d9b646481e410ee9"`
Dec 04 20:35:37.741 INFO [stderr] usermod: no changes
Dec 04 20:35:37.805 INFO [stderr]     Checking engine v0.1.0 (/source)
Dec 04 20:35:38.402 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.402 INFO [stderr]    --> src/boxes.rs:106:13
Dec 04 20:35:38.402 INFO [stderr]     |
Dec 04 20:35:38.402 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 04 20:35:38.402 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 04 20:35:38.402 INFO [stderr]     |             |
Dec 04 20:35:38.402 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.402 INFO [stderr]     |
Dec 04 20:35:38.402 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:35:38.402 INFO [stderr] 
Dec 04 20:35:38.402 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.402 INFO [stderr]    --> src/boxes.rs:107:13
Dec 04 20:35:38.402 INFO [stderr]     |
Dec 04 20:35:38.402 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 04 20:35:38.402 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.402 INFO [stderr]     |             |
Dec 04 20:35:38.402 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.402 INFO [stderr] 
Dec 04 20:35:38.402 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.402 INFO [stderr]    --> src/boxes.rs:109:13
Dec 04 20:35:38.402 INFO [stderr]     |
Dec 04 20:35:38.402 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 04 20:35:38.402 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.402 INFO [stderr]     |             |
Dec 04 20:35:38.402 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.402 INFO [stderr] 
Dec 04 20:35:38.402 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.403 INFO [stderr]    --> src/boxes.rs:110:13
Dec 04 20:35:38.403 INFO [stderr]     |
Dec 04 20:35:38.403 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 04 20:35:38.403 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 04 20:35:38.403 INFO [stderr]     |             |
Dec 04 20:35:38.403 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.403 INFO [stderr] 
Dec 04 20:35:38.740 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.740 INFO [stderr]    --> src/boxes.rs:106:13
Dec 04 20:35:38.740 INFO [stderr]     |
Dec 04 20:35:38.740 INFO [stderr] 106 |         let mut border_left = style.lookup("border-left-width", "border-width", &zero);
Dec 04 20:35:38.740 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 04 20:35:38.740 INFO [stderr]     |             |
Dec 04 20:35:38.740 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.740 INFO [stderr]     |
Dec 04 20:35:38.740 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 20:35:38.740 INFO [stderr] 
Dec 04 20:35:38.740 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.740 INFO [stderr]    --> src/boxes.rs:107:13
Dec 04 20:35:38.740 INFO [stderr]     |
Dec 04 20:35:38.740 INFO [stderr] 107 |         let mut border_right = style.lookup("border-right-width", "border-width", &zero);
Dec 04 20:35:38.740 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.740 INFO [stderr]     |             |
Dec 04 20:35:38.740 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.740 INFO [stderr] 
Dec 04 20:35:38.740 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.740 INFO [stderr]    --> src/boxes.rs:109:13
Dec 04 20:35:38.740 INFO [stderr]     |
Dec 04 20:35:38.740 INFO [stderr] 109 |         let mut padding_left = style.lookup("padding-left", "padding", &zero);
Dec 04 20:35:38.740 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 04 20:35:38.740 INFO [stderr]     |             |
Dec 04 20:35:38.740 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.740 INFO [stderr] 
Dec 04 20:35:38.740 INFO [stderr] warning: variable does not need to be mutable
Dec 04 20:35:38.740 INFO [stderr]    --> src/boxes.rs:110:13
Dec 04 20:35:38.740 INFO [stderr]     |
Dec 04 20:35:38.740 INFO [stderr] 110 |         let mut padding_right = style.lookup("padding-right", "padding", &zero);
Dec 04 20:35:38.740 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 04 20:35:38.740 INFO [stderr]     |             |
Dec 04 20:35:38.740 INFO [stderr]     |             help: remove this `mut`
Dec 04 20:35:38.740 INFO [stderr] 
Dec 04 20:35:38.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 04 20:35:38.785 INFO [stderr] su: No module specific data is present
Dec 04 20:35:39.337 INFO running `"docker" "inspect" "f98fd724f6f18c1fbaa2c38efb1d23da552fa838160b8a34d9b646481e410ee9"`
Dec 04 20:35:39.683 INFO running `"docker" "rm" "-f" "f98fd724f6f18c1fbaa2c38efb1d23da552fa838160b8a34d9b646481e410ee9"`
Dec 04 20:35:40.008 INFO [stdout] f98fd724f6f18c1fbaa2c38efb1d23da552fa838160b8a34d9b646481e410ee9