Dec 19 17:11:59.253 INFO checking euclio/seventeen against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:11:59.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/euclio/seventeen:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:11:59.590 INFO [stdout] 2037fbc88563ddd5d71bdfcf054209a50ab4ae1bdac61f474ee00b72baa0f75d
Dec 19 17:11:59.594 INFO running `"docker" "start" "-a" "2037fbc88563ddd5d71bdfcf054209a50ab4ae1bdac61f474ee00b72baa0f75d"`
Dec 19 17:12:00.254 INFO [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
Dec 19 17:12:00.464 INFO [stderr]    Compiling serde v1.0.65
Dec 19 17:12:00.468 INFO [stderr]     Checking termion v1.5.1
Dec 19 17:12:00.468 INFO [stderr]     Checking clap v2.31.2
Dec 19 17:12:00.472 INFO [stderr]     Checking euclid v0.19.2
Dec 19 17:12:00.472 INFO [stderr]     Checking miniz-sys v0.1.10
Dec 19 17:12:00.472 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 19 17:12:00.472 INFO [stderr]    Compiling serde_derive v1.0.65
Dec 19 17:12:00.472 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 19 17:12:02.226 INFO [stderr]     Checking failure v0.1.1
Dec 19 17:12:03.848 INFO [stderr]     Checking flate2 v1.0.1
Dec 19 17:12:04.354 INFO [stderr]     Checking parking_lot v0.6.4
Dec 19 17:12:06.808 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 19 17:12:15.026 INFO [stderr]     Checking structopt v0.2.8
Dec 19 17:12:30.944 INFO [stderr]     Checking serde_json v1.0.19
Dec 19 17:12:30.944 INFO [stderr]     Checking serde-value v0.5.2
Dec 19 17:12:30.948 INFO [stderr]     Checking log v0.4.1
Dec 19 17:12:30.948 INFO [stderr]     Checking serde_yaml v0.7.4
Dec 19 17:12:32.740 INFO [stderr]     Checking log-panics v2.0.0
Dec 19 17:12:35.234 INFO [stderr]     Checking log4rs v0.8.0
Dec 19 17:12:37.760 INFO [stderr]     Checking seventeen v0.1.0 (/opt/crater/workdir)
Dec 19 17:12:42.320 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 19 17:12:42.320 INFO [stderr]   --> src/editor/window.rs:56:18
Dec 19 17:12:42.320 INFO [stderr]    |
Dec 19 17:12:42.320 INFO [stderr] 56 |                 .trim_right_matches('\n')
Dec 19 17:12:42.320 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^
Dec 19 17:12:42.320 INFO [stderr]    |
Dec 19 17:12:42.320 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:12:42.320 INFO [stderr] 
Dec 19 17:12:42.491 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 19 17:12:42.491 INFO [stderr]   --> src/editor/window.rs:56:18
Dec 19 17:12:42.491 INFO [stderr]    |
Dec 19 17:12:42.491 INFO [stderr] 56 |                 .trim_right_matches('\n')
Dec 19 17:12:42.491 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^^^
Dec 19 17:12:42.491 INFO [stderr]    |
Dec 19 17:12:42.491 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:12:42.491 INFO [stderr] 
Dec 19 17:12:49.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.11s
Dec 19 17:12:50.272 INFO running `"docker" "inspect" "2037fbc88563ddd5d71bdfcf054209a50ab4ae1bdac61f474ee00b72baa0f75d"`
Dec 19 17:12:50.548 INFO running `"docker" "rm" "-f" "2037fbc88563ddd5d71bdfcf054209a50ab4ae1bdac61f474ee00b72baa0f75d"`
Dec 19 17:12:50.913 INFO [stdout] 2037fbc88563ddd5d71bdfcf054209a50ab4ae1bdac61f474ee00b72baa0f75d