Nov 17 07:35:29.240 INFO testing brinchj/rust-sudoku-fun against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 07:35:29.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 07:35:29.727 INFO [stdout] 93c873766bacff70eb69958f4e0ba2c5eeefca4f13f5c0c71b517c5a19f8cd64
Nov 17 07:35:29.729 INFO running `"docker" "start" "-a" "93c873766bacff70eb69958f4e0ba2c5eeefca4f13f5c0c71b517c5a19f8cd64"`
Nov 17 07:35:31.966 INFO [stderr] usermod: no changes
Nov 17 07:35:32.103 INFO [stderr]    Compiling debugtrace v0.1.0
Nov 17 07:35:32.103 INFO [stderr]    Compiling debug-builders v0.1.0
Nov 17 07:35:32.109 INFO [stderr]    Compiling custom_derive v0.1.7
Nov 17 07:35:32.109 INFO [stderr]    Compiling either v0.1.7
Nov 17 07:35:32.115 INFO [stderr]    Compiling semver v0.9.0
Nov 17 07:35:33.591 INFO [stderr]    Compiling conv v0.3.3
Nov 17 07:35:34.687 INFO [stderr]    Compiling backtrace v0.1.8
Nov 17 07:35:36.407 INFO [stderr]    Compiling rustc_version v0.2.2
Nov 17 07:35:38.735 INFO [stderr]    Compiling im v10.2.0
Nov 17 07:35:39.451 INFO [stderr]    Compiling chomp v0.3.1
Nov 17 07:35:44.211 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Nov 17 07:35:45.359 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:45.359 INFO [stderr]  --> src/lib.rs:3:1
Nov 17 07:35:45.359 INFO [stderr]   |
Nov 17 07:35:45.359 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:45.359 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:45.359 INFO [stderr]   |
Nov 17 07:35:45.359 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:45.359 INFO [stderr] 
Nov 17 07:35:45.512 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 17 07:35:45.512 INFO [stderr]  --> src/lib.rs:1:12
Nov 17 07:35:45.512 INFO [stderr]   |
Nov 17 07:35:45.513 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:45.513 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:45.513 INFO [stderr]   |
Nov 17 07:35:45.514 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:45.514 INFO [stderr] 
Nov 17 07:35:49.035 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:49.035 INFO [stderr]  --> src/main.rs:3:1
Nov 17 07:35:49.035 INFO [stderr]   |
Nov 17 07:35:49.035 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:49.035 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:49.035 INFO [stderr]   |
Nov 17 07:35:49.035 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:49.035 INFO [stderr] 
Nov 17 07:35:49.215 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 17 07:35:49.216 INFO [stderr]  --> src/main.rs:1:12
Nov 17 07:35:49.216 INFO [stderr]   |
Nov 17 07:35:49.216 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:49.216 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:49.217 INFO [stderr]   |
Nov 17 07:35:49.217 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:49.217 INFO [stderr] 
Nov 17 07:35:52.139 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.14s
Nov 17 07:35:52.159 INFO [stderr] su: No module specific data is present
Nov 17 07:35:53.105 INFO running `"docker" "inspect" "93c873766bacff70eb69958f4e0ba2c5eeefca4f13f5c0c71b517c5a19f8cd64"`
Nov 17 07:35:53.403 INFO running `"docker" "rm" "-f" "93c873766bacff70eb69958f4e0ba2c5eeefca4f13f5c0c71b517c5a19f8cd64"`
Nov 17 07:35:53.689 INFO [stdout] 93c873766bacff70eb69958f4e0ba2c5eeefca4f13f5c0c71b517c5a19f8cd64
Nov 17 07:35:53.694 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 07:35:54.188 INFO [stdout] 281ac22c995000d94bccbde75c7098bfdffbaf9ec54c74c8112bc038d249d6c2
Nov 17 07:35:54.195 INFO running `"docker" "start" "-a" "281ac22c995000d94bccbde75c7098bfdffbaf9ec54c74c8112bc038d249d6c2"`
Nov 17 07:35:55.743 INFO [stderr] usermod: no changes
Nov 17 07:35:55.884 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Nov 17 07:35:57.231 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:57.231 INFO [stderr]  --> src/main.rs:3:1
Nov 17 07:35:57.231 INFO [stderr]   |
Nov 17 07:35:57.231 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:57.231 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:57.231 INFO [stderr]   |
Nov 17 07:35:57.231 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:57.231 INFO [stderr] 
Nov 17 07:35:57.463 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 17 07:35:57.463 INFO [stderr]  --> src/main.rs:1:12
Nov 17 07:35:57.463 INFO [stderr]   |
Nov 17 07:35:57.463 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:57.463 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:57.463 INFO [stderr]   |
Nov 17 07:35:57.463 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:57.463 INFO [stderr] 
Nov 17 07:35:57.858 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:57.863 INFO [stderr]  --> src/lib.rs:3:1
Nov 17 07:35:57.863 INFO [stderr]   |
Nov 17 07:35:57.863 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:57.863 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:57.863 INFO [stderr]   |
Nov 17 07:35:57.863 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:57.863 INFO [stderr] 
Nov 17 07:35:58.131 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 17 07:35:58.131 INFO [stderr]  --> src/lib.rs:1:12
Nov 17 07:35:58.132 INFO [stderr]   |
Nov 17 07:35:58.132 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:58.132 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:58.132 INFO [stderr]   |
Nov 17 07:35:58.133 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:58.133 INFO [stderr] 
Nov 17 07:35:58.579 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Nov 17 07:35:58.579 INFO [stderr] su: No module specific data is present
Nov 17 07:35:59.522 INFO running `"docker" "inspect" "281ac22c995000d94bccbde75c7098bfdffbaf9ec54c74c8112bc038d249d6c2"`
Nov 17 07:35:59.755 INFO running `"docker" "rm" "-f" "281ac22c995000d94bccbde75c7098bfdffbaf9ec54c74c8112bc038d249d6c2"`
Nov 17 07:35:59.984 INFO [stdout] 281ac22c995000d94bccbde75c7098bfdffbaf9ec54c74c8112bc038d249d6c2
Nov 17 07:35:59.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 07:36:00.391 INFO [stdout] dae9908770eee822a5e700e8b13caa602ac529343f3150bd95a9c2d1db3a90f3
Nov 17 07:36:00.395 INFO running `"docker" "start" "-a" "dae9908770eee822a5e700e8b13caa602ac529343f3150bd95a9c2d1db3a90f3"`
Nov 17 07:36:02.143 INFO [stderr] usermod: no changes
Nov 17 07:36:02.274 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 17 07:36:02.279 INFO [stderr]      Running /target/debug/deps/sudokusolver-a837428af737aa4f
Nov 17 07:36:02.282 INFO [stderr]      Running /target/debug/deps/sudokusolver-eb3c16dc6e537241
Nov 17 07:36:02.282 INFO [stdout] 
Nov 17 07:36:02.282 INFO [stdout] running 0 tests
Nov 17 07:36:02.282 INFO [stdout] 
Nov 17 07:36:02.282 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:36:02.282 INFO [stdout] 
Nov 17 07:36:02.291 INFO [stdout] 
Nov 17 07:36:02.291 INFO [stdout] running 0 tests
Nov 17 07:36:02.291 INFO [stdout] 
Nov 17 07:36:02.291 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:36:02.291 INFO [stdout] 
Nov 17 07:36:02.292 INFO [stderr]    Doc-tests sudokusolver
Nov 17 07:36:04.006 INFO [stdout] 
Nov 17 07:36:04.006 INFO [stdout] running 0 tests
Nov 17 07:36:04.006 INFO [stdout] 
Nov 17 07:36:04.006 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:36:04.006 INFO [stdout] 
Nov 17 07:36:04.018 INFO [stderr] su: No module specific data is present
Nov 17 07:36:04.795 INFO running `"docker" "inspect" "dae9908770eee822a5e700e8b13caa602ac529343f3150bd95a9c2d1db3a90f3"`
Nov 17 07:36:05.031 INFO running `"docker" "rm" "-f" "dae9908770eee822a5e700e8b13caa602ac529343f3150bd95a9c2d1db3a90f3"`
Nov 17 07:36:05.315 INFO [stdout] dae9908770eee822a5e700e8b13caa602ac529343f3150bd95a9c2d1db3a90f3