Dec 19 18:14:36.254 INFO checking daxhuiberts/conway against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:14:36.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/daxhuiberts/conway:/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 18:14:36.838 INFO [stdout] 53049b3bd140c9c05a000063314e3f74b7d51edcdd611630b2211bb1c2147367
Dec 19 18:14:36.842 INFO running `"docker" "start" "-a" "53049b3bd140c9c05a000063314e3f74b7d51edcdd611630b2211bb1c2147367"`
Dec 19 18:14:38.512 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 19 18:14:38.512 INFO [stderr]    Compiling minifb v0.11.1
Dec 19 18:14:44.116 INFO [stderr]     Checking conway v0.1.0 (/opt/crater/workdir)
Dec 19 18:14:44.904 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:14:44.904 INFO [stderr]  --> src/main.rs:3:1
Dec 19 18:14:44.904 INFO [stderr]   |
Dec 19 18:14:44.904 INFO [stderr] 3 | #[macro_use]
Dec 19 18:14:44.904 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:14:44.904 INFO [stderr]   |
Dec 19 18:14:44.904 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:14:44.904 INFO [stderr] 
Dec 19 18:14:44.912 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:14:44.912 INFO [stderr]  --> src/main.rs:3:1
Dec 19 18:14:44.912 INFO [stderr]   |
Dec 19 18:14:44.912 INFO [stderr] 3 | #[macro_use]
Dec 19 18:14:44.912 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:14:44.912 INFO [stderr]   |
Dec 19 18:14:44.912 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:14:44.912 INFO [stderr] 
Dec 19 18:14:45.088 INFO [stderr] warning: method is never used: `set`
Dec 19 18:14:45.088 INFO [stderr]   --> src/conway.rs:24:5
Dec 19 18:14:45.088 INFO [stderr]    |
Dec 19 18:14:45.088 INFO [stderr] 24 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
Dec 19 18:14:45.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:14:45.088 INFO [stderr]    |
Dec 19 18:14:45.088 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:14:45.088 INFO [stderr] 
Dec 19 18:14:45.132 INFO [stderr] warning: method is never used: `set`
Dec 19 18:14:45.132 INFO [stderr]   --> src/conway.rs:24:5
Dec 19 18:14:45.132 INFO [stderr]    |
Dec 19 18:14:45.132 INFO [stderr] 24 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
Dec 19 18:14:45.132 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:14:45.132 INFO [stderr]    |
Dec 19 18:14:45.132 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:14:45.132 INFO [stderr] 
Dec 19 18:14:45.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
Dec 19 18:14:45.977 INFO running `"docker" "inspect" "53049b3bd140c9c05a000063314e3f74b7d51edcdd611630b2211bb1c2147367"`
Dec 19 18:14:46.204 INFO running `"docker" "rm" "-f" "53049b3bd140c9c05a000063314e3f74b7d51edcdd611630b2211bb1c2147367"`
Dec 19 18:14:46.464 INFO [stdout] 53049b3bd140c9c05a000063314e3f74b7d51edcdd611630b2211bb1c2147367