Nov 28 08:21:57.663 INFO checking brinchj/rust-sudoku-fun against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 08:21:57.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 08:21:58.142 INFO [stdout] 8f6e630858d43f38dd2e23ac61989f32aec48ae8cccc62c8c684e3e3b13eda35
Nov 28 08:21:58.144 INFO running `"docker" "start" "-a" "8f6e630858d43f38dd2e23ac61989f32aec48ae8cccc62c8c684e3e3b13eda35"`
Nov 28 08:21:59.748 INFO [stderr] usermod: no changes
Nov 28 08:21:59.960 INFO [stderr]    Compiling debugtrace v0.1.0
Nov 28 08:21:59.961 INFO [stderr]     Checking debug-builders v0.1.0
Nov 28 08:21:59.961 INFO [stderr]     Checking either v0.1.7
Nov 28 08:21:59.966 INFO [stderr]     Checking conv v0.3.3
Nov 28 08:22:01.612 INFO [stderr]     Checking backtrace v0.1.8
Nov 28 08:22:04.297 INFO [stderr]     Checking chomp v0.3.1
Nov 28 08:22:06.108 INFO [stderr]     Checking sudokusolver v0.1.0 (/source)
Nov 28 08:22:08.168 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 08:22:08.168 INFO [stderr]  --> src/lib.rs:3:1
Nov 28 08:22:08.168 INFO [stderr]   |
Nov 28 08:22:08.168 INFO [stderr] 3 | #[macro_use]
Nov 28 08:22:08.168 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 08:22:08.168 INFO [stderr]   |
Nov 28 08:22:08.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:22:08.168 INFO [stderr] 
Nov 28 08:22:08.264 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 08:22:08.264 INFO [stderr]  --> src/lib.rs:3:1
Nov 28 08:22:08.264 INFO [stderr]   |
Nov 28 08:22:08.264 INFO [stderr] 3 | #[macro_use]
Nov 28 08:22:08.264 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 08:22:08.264 INFO [stderr]   |
Nov 28 08:22:08.264 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:22:08.264 INFO [stderr] 
Nov 28 08:22:08.540 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 08:22:08.540 INFO [stderr]  --> src/lib.rs:1:12
Nov 28 08:22:08.540 INFO [stderr]   |
Nov 28 08:22:08.540 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 08:22:08.540 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 08:22:08.540 INFO [stderr]   |
Nov 28 08:22:08.540 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 08:22:08.540 INFO [stderr] 
Nov 28 08:22:08.636 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 08:22:08.636 INFO [stderr]  --> src/lib.rs:1:12
Nov 28 08:22:08.636 INFO [stderr]   |
Nov 28 08:22:08.636 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 08:22:08.636 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 08:22:08.636 INFO [stderr]   |
Nov 28 08:22:08.636 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 08:22:08.636 INFO [stderr] 
Nov 28 08:22:10.484 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 08:22:10.484 INFO [stderr]  --> src/main.rs:3:1
Nov 28 08:22:10.484 INFO [stderr]   |
Nov 28 08:22:10.484 INFO [stderr] 3 | #[macro_use]
Nov 28 08:22:10.484 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 08:22:10.484 INFO [stderr]   |
Nov 28 08:22:10.484 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:22:10.484 INFO [stderr] 
Nov 28 08:22:10.840 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 08:22:10.840 INFO [stderr]  --> src/main.rs:1:12
Nov 28 08:22:10.840 INFO [stderr]   |
Nov 28 08:22:10.840 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 08:22:10.840 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 08:22:10.856 INFO [stderr]   |
Nov 28 08:22:10.856 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 08:22:10.856 INFO [stderr] 
Nov 28 08:22:11.001 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 08:22:11.001 INFO [stderr]  --> src/main.rs:3:1
Nov 28 08:22:11.001 INFO [stderr]   |
Nov 28 08:22:11.002 INFO [stderr] 3 | #[macro_use]
Nov 28 08:22:11.002 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 08:22:11.002 INFO [stderr]   |
Nov 28 08:22:11.003 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:22:11.003 INFO [stderr] 
Nov 28 08:22:11.208 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 08:22:11.208 INFO [stderr]  --> src/main.rs:1:12
Nov 28 08:22:11.208 INFO [stderr]   |
Nov 28 08:22:11.208 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 08:22:11.208 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 08:22:11.208 INFO [stderr]   |
Nov 28 08:22:11.208 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 08:22:11.208 INFO [stderr] 
Nov 28 08:22:11.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
Nov 28 08:22:11.238 INFO [stderr] su: No module specific data is present
Nov 28 08:22:11.938 INFO running `"docker" "inspect" "8f6e630858d43f38dd2e23ac61989f32aec48ae8cccc62c8c684e3e3b13eda35"`
Nov 28 08:22:12.339 INFO running `"docker" "rm" "-f" "8f6e630858d43f38dd2e23ac61989f32aec48ae8cccc62c8c684e3e3b13eda35"`
Nov 28 08:22:12.668 INFO [stdout] 8f6e630858d43f38dd2e23ac61989f32aec48ae8cccc62c8c684e3e3b13eda35