Nov 28 09:40:50.948 INFO checking aleyan/langtonsant against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 09:40:50.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 09:40:51.477 INFO [stdout] 8fe42c4f6dca3d8eb0839399a0543c7d957e31554d8fa9a70f15e3c10f77974d
Nov 28 09:40:51.489 INFO running `"docker" "start" "-a" "8fe42c4f6dca3d8eb0839399a0543c7d957e31554d8fa9a70f15e3c10f77974d"`
Nov 28 09:40:52.752 INFO [stderr] usermod: no changes
Nov 28 09:40:53.016 INFO [stderr]    Compiling phf_codegen v0.7.23
Nov 28 09:40:53.017 INFO [stderr]    Compiling syn v0.14.9
Nov 28 09:40:53.017 INFO [stderr]     Checking alga v0.7.2
Nov 28 09:40:55.100 INFO [stderr]    Compiling palette v0.4.1
Nov 28 09:41:01.892 INFO [stderr]     Checking nalgebra v0.16.8
Nov 28 09:41:19.553 INFO [stderr]    Compiling palette_derive v0.4.1
Nov 28 09:41:51.937 INFO [stderr]     Checking langtonsant v0.1.0 (/source)
Nov 28 09:41:54.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:41:54.872 INFO [stderr]    --> src/canvas.rs:174:9
Nov 28 09:41:54.872 INFO [stderr]     |
Nov 28 09:41:54.872 INFO [stderr] 174 | /         write!(
Nov 28 09:41:54.872 INFO [stderr] 175 | |             out,
Nov 28 09:41:54.876 INFO [stderr] 176 | |             "{}{}{}",
Nov 28 09:41:54.876 INFO [stderr] 177 | |             cursor::Goto(1, (self.rows + 1) as u16),
Nov 28 09:41:54.876 INFO [stderr] 178 | |             style::Reset,
Nov 28 09:41:54.876 INFO [stderr] 179 | |             cursor::Show
Nov 28 09:41:54.876 INFO [stderr] 180 | |         );
Nov 28 09:41:54.876 INFO [stderr]     | |__________^
Nov 28 09:41:54.876 INFO [stderr]     |
Nov 28 09:41:54.876 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 09:41:54.876 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:41:54.876 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)
Nov 28 09:41:54.876 INFO [stderr] 
Nov 28 09:41:55.218 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:41:55.219 INFO [stderr]    --> src/canvas.rs:174:9
Nov 28 09:41:55.219 INFO [stderr]     |
Nov 28 09:41:55.219 INFO [stderr] 174 | /         write!(
Nov 28 09:41:55.220 INFO [stderr] 175 | |             out,
Nov 28 09:41:55.220 INFO [stderr] 176 | |             "{}{}{}",
Nov 28 09:41:55.228 INFO [stderr] 177 | |             cursor::Goto(1, (self.rows + 1) as u16),
Nov 28 09:41:55.229 INFO [stderr] 178 | |             style::Reset,
Nov 28 09:41:55.229 INFO [stderr] 179 | |             cursor::Show
Nov 28 09:41:55.229 INFO [stderr] 180 | |         );
Nov 28 09:41:55.229 INFO [stderr]     | |__________^
Nov 28 09:41:55.230 INFO [stderr]     |
Nov 28 09:41:55.230 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 09:41:55.230 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:41:55.231 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)
Nov 28 09:41:55.231 INFO [stderr] 
Nov 28 09:41:55.253 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
Nov 28 09:41:55.268 INFO [stderr] su: No module specific data is present
Nov 28 09:41:55.983 INFO running `"docker" "inspect" "8fe42c4f6dca3d8eb0839399a0543c7d957e31554d8fa9a70f15e3c10f77974d"`
Nov 28 09:41:56.224 INFO running `"docker" "rm" "-f" "8fe42c4f6dca3d8eb0839399a0543c7d957e31554d8fa9a70f15e3c10f77974d"`
Nov 28 09:41:56.548 INFO [stdout] 8fe42c4f6dca3d8eb0839399a0543c7d957e31554d8fa9a70f15e3c10f77974d