Nov 30 05:54:46.908 INFO checking brinchj/rust-sudoku-fun against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:54:46.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 05:54:47.228 INFO [stdout] d7461fecabed47e7e3d66679321e8eba776b769e694ba9407133cab6a7ce9e41
Nov 30 05:54:47.232 INFO running `"docker" "start" "-a" "d7461fecabed47e7e3d66679321e8eba776b769e694ba9407133cab6a7ce9e41"`
Nov 30 05:54:48.175 INFO [stderr] usermod: no changes
Nov 30 05:54:48.372 INFO [stderr]    Compiling im v10.2.0
Nov 30 05:54:48.372 INFO [stderr]     Checking backtrace v0.1.8
Nov 30 05:54:49.330 INFO [stderr]     Checking debugtrace v0.1.0
Nov 30 05:54:50.976 INFO [stderr]     Checking chomp v0.3.1
Nov 30 05:54:54.323 INFO [stderr]     Checking sudokusolver v0.1.0 (/source)
Nov 30 05:54:56.012 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 05:54:56.012 INFO [stderr]  --> src/lib.rs:3:1
Nov 30 05:54:56.012 INFO [stderr]   |
Nov 30 05:54:56.012 INFO [stderr] 3 | #[macro_use]
Nov 30 05:54:56.012 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 05:54:56.012 INFO [stderr]   |
Nov 30 05:54:56.012 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:54:56.012 INFO [stderr] 
Nov 30 05:54:56.308 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 05:54:56.308 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 05:54:56.308 INFO [stderr]   |
Nov 30 05:54:56.308 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 05:54:56.308 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 05:54:56.309 INFO [stderr]   |
Nov 30 05:54:56.309 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:54:56.309 INFO [stderr] 
Nov 30 05:54:56.765 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 05:54:56.765 INFO [stderr]  --> src/lib.rs:3:1
Nov 30 05:54:56.765 INFO [stderr]   |
Nov 30 05:54:56.766 INFO [stderr] 3 | #[macro_use]
Nov 30 05:54:56.766 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 05:54:56.776 INFO [stderr]   |
Nov 30 05:54:56.776 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:54:56.776 INFO [stderr] 
Nov 30 05:54:57.184 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 05:54:57.184 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 05:54:57.184 INFO [stderr]   |
Nov 30 05:54:57.184 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 05:54:57.184 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 05:54:57.184 INFO [stderr]   |
Nov 30 05:54:57.184 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:54:57.184 INFO [stderr] 
Nov 30 05:54:58.077 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 05:54:58.077 INFO [stderr]  --> src/main.rs:3:1
Nov 30 05:54:58.077 INFO [stderr]   |
Nov 30 05:54:58.077 INFO [stderr] 3 | #[macro_use]
Nov 30 05:54:58.077 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 05:54:58.077 INFO [stderr]   |
Nov 30 05:54:58.077 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:54:58.077 INFO [stderr] 
Nov 30 05:54:58.316 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 05:54:58.320 INFO [stderr]  --> src/main.rs:1:12
Nov 30 05:54:58.321 INFO [stderr]   |
Nov 30 05:54:58.321 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 05:54:58.321 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 05:54:58.321 INFO [stderr]   |
Nov 30 05:54:58.322 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:54:58.322 INFO [stderr] 
Nov 30 05:54:58.485 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 05:54:58.486 INFO [stderr]  --> src/main.rs:3:1
Nov 30 05:54:58.486 INFO [stderr]   |
Nov 30 05:54:58.486 INFO [stderr] 3 | #[macro_use]
Nov 30 05:54:58.487 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 05:54:58.487 INFO [stderr]   |
Nov 30 05:54:58.487 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:54:58.487 INFO [stderr] 
Nov 30 05:54:58.678 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 05:54:58.678 INFO [stderr]  --> src/main.rs:1:12
Nov 30 05:54:58.678 INFO [stderr]   |
Nov 30 05:54:58.678 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 05:54:58.678 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 05:54:58.678 INFO [stderr]   |
Nov 30 05:54:58.678 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:54:58.678 INFO [stderr] 
Nov 30 05:54:58.713 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.51s
Nov 30 05:54:58.717 INFO [stderr] su: No module specific data is present
Nov 30 05:54:59.702 INFO running `"docker" "inspect" "d7461fecabed47e7e3d66679321e8eba776b769e694ba9407133cab6a7ce9e41"`
Nov 30 05:54:59.982 INFO running `"docker" "rm" "-f" "d7461fecabed47e7e3d66679321e8eba776b769e694ba9407133cab6a7ce9e41"`
Nov 30 05:55:00.192 INFO [stdout] d7461fecabed47e7e3d66679321e8eba776b769e694ba9407133cab6a7ce9e41