Dec 19 16:55:49.743 INFO checking floschnell/ascii-platformer against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:55:49.743 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/floschnell/ascii-platformer:/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 16:55:50.422 INFO [stdout] d60e8d560ca8df5004ded09d90b36283c5897103ae3fce33ff480d695e1af593
Dec 19 16:55:50.424 INFO running `"docker" "start" "-a" "d60e8d560ca8df5004ded09d90b36283c5897103ae3fce33ff480d695e1af593"`
Dec 19 16:55:52.832 INFO [stderr]     Checking platformer v0.1.0 (/opt/crater/workdir)
Dec 19 16:55:53.268 INFO [stderr] warning: unused import: `Rgb`
Dec 19 16:55:53.268 INFO [stderr]  --> src/main.rs:5:30
Dec 19 16:55:53.268 INFO [stderr]   |
Dec 19 16:55:53.268 INFO [stderr] 5 | use termion::color::{Bg, Fg, Rgb};
Dec 19 16:55:53.268 INFO [stderr]   |                              ^^^
Dec 19 16:55:53.268 INFO [stderr]   |
Dec 19 16:55:53.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:55:53.268 INFO [stderr] 
Dec 19 16:55:53.332 INFO [stderr] warning: unused import: `Rgb`
Dec 19 16:55:53.332 INFO [stderr]  --> src/main.rs:5:30
Dec 19 16:55:53.332 INFO [stderr]   |
Dec 19 16:55:53.332 INFO [stderr] 5 | use termion::color::{Bg, Fg, Rgb};
Dec 19 16:55:53.332 INFO [stderr]   |                              ^^^
Dec 19 16:55:53.332 INFO [stderr]   |
Dec 19 16:55:53.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:55:53.332 INFO [stderr] 
Dec 19 16:55:53.448 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:55:53.448 INFO [stderr]   --> src/main.rs:75:3
Dec 19 16:55:53.448 INFO [stderr]    |
Dec 19 16:55:53.448 INFO [stderr] 75 |   write!(stdout, "{}", termion::cursor::Hide);
Dec 19 16:55:53.448 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:55:53.448 INFO [stderr]    |
Dec 19 16:55:53.448 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:55:53.448 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:55:53.448 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:55:53.448 INFO [stderr] 
Dec 19 16:55:53.460 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:55:53.460 INFO [stderr]   --> src/main.rs:75:3
Dec 19 16:55:53.460 INFO [stderr]    |
Dec 19 16:55:53.460 INFO [stderr] 75 |   write!(stdout, "{}", termion::cursor::Hide);
Dec 19 16:55:53.460 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:55:53.460 INFO [stderr]    |
Dec 19 16:55:53.460 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:55:53.460 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:55:53.460 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:55:53.460 INFO [stderr] 
Dec 19 16:55:53.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 19 16:55:54.688 INFO running `"docker" "inspect" "d60e8d560ca8df5004ded09d90b36283c5897103ae3fce33ff480d695e1af593"`
Dec 19 16:55:55.044 INFO running `"docker" "rm" "-f" "d60e8d560ca8df5004ded09d90b36283c5897103ae3fce33ff480d695e1af593"`
Dec 19 16:55:55.544 INFO [stdout] d60e8d560ca8df5004ded09d90b36283c5897103ae3fce33ff480d695e1af593