Dec 14 00:45:40.453 INFO testing brinchj/rust-sudoku-fun against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 00:45:40.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 00:45:40.888 INFO [stdout] 88c65820db39f16b9590befc6c26a8ef7a7784752a7b510f10230b46d46e689f
Dec 14 00:45:40.890 INFO running `"docker" "start" "-a" "88c65820db39f16b9590befc6c26a8ef7a7784752a7b510f10230b46d46e689f"`
Dec 14 00:45:41.838 INFO [stderr] usermod: no changes
Dec 14 00:45:41.979 INFO [stderr]    Compiling debug-builders v0.1.0
Dec 14 00:45:41.979 INFO [stderr]    Compiling debugtrace v0.1.0
Dec 14 00:45:41.992 INFO [stderr]    Compiling either v0.1.7
Dec 14 00:45:42.000 INFO [stderr]    Compiling conv v0.3.3
Dec 14 00:45:42.000 INFO [stderr]    Compiling im v10.2.0
Dec 14 00:45:44.127 INFO [stderr]    Compiling backtrace v0.1.8
Dec 14 00:45:47.424 INFO [stderr]    Compiling chomp v0.3.1
Dec 14 00:45:50.485 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Dec 14 00:45:51.931 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 00:45:51.931 INFO [stderr]  --> src/lib.rs:3:1
Dec 14 00:45:51.931 INFO [stderr]   |
Dec 14 00:45:51.931 INFO [stderr] 3 | #[macro_use]
Dec 14 00:45:51.931 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 00:45:51.931 INFO [stderr]   |
Dec 14 00:45:51.931 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:45:51.931 INFO [stderr] 
Dec 14 00:45:52.107 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 14 00:45:52.107 INFO [stderr]  --> src/lib.rs:1:12
Dec 14 00:45:52.108 INFO [stderr]   |
Dec 14 00:45:52.108 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 14 00:45:52.108 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 00:45:52.108 INFO [stderr]   |
Dec 14 00:45:52.109 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 00:45:52.109 INFO [stderr] 
Dec 14 00:45:55.415 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 00:45:55.415 INFO [stderr]  --> src/main.rs:3:1
Dec 14 00:45:55.415 INFO [stderr]   |
Dec 14 00:45:55.415 INFO [stderr] 3 | #[macro_use]
Dec 14 00:45:55.415 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 00:45:55.415 INFO [stderr]   |
Dec 14 00:45:55.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:45:55.415 INFO [stderr] 
Dec 14 00:45:55.579 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 14 00:45:55.579 INFO [stderr]  --> src/main.rs:1:12
Dec 14 00:45:55.579 INFO [stderr]   |
Dec 14 00:45:55.579 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 14 00:45:55.579 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 00:45:55.579 INFO [stderr]   |
Dec 14 00:45:55.579 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 00:45:55.579 INFO [stderr] 
Dec 14 00:45:57.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
Dec 14 00:45:57.608 INFO [stderr] su: No module specific data is present
Dec 14 00:45:58.600 INFO running `"docker" "inspect" "88c65820db39f16b9590befc6c26a8ef7a7784752a7b510f10230b46d46e689f"`
Dec 14 00:45:58.813 INFO running `"docker" "rm" "-f" "88c65820db39f16b9590befc6c26a8ef7a7784752a7b510f10230b46d46e689f"`
Dec 14 00:45:59.119 INFO [stdout] 88c65820db39f16b9590befc6c26a8ef7a7784752a7b510f10230b46d46e689f
Dec 14 00:45:59.121 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 00:45:59.565 INFO [stdout] 0463d3a02e5910792cbe6e79092e13eba6b0a065810d41faed4a60f180210bd2
Dec 14 00:45:59.567 INFO running `"docker" "start" "-a" "0463d3a02e5910792cbe6e79092e13eba6b0a065810d41faed4a60f180210bd2"`
Dec 14 00:46:00.943 INFO [stderr] usermod: no changes
Dec 14 00:46:01.113 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Dec 14 00:46:02.823 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 00:46:02.823 INFO [stderr]  --> src/main.rs:3:1
Dec 14 00:46:02.823 INFO [stderr]   |
Dec 14 00:46:02.823 INFO [stderr] 3 | #[macro_use]
Dec 14 00:46:02.823 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 00:46:02.823 INFO [stderr]   |
Dec 14 00:46:02.823 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:46:02.823 INFO [stderr] 
Dec 14 00:46:02.885 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 00:46:02.885 INFO [stderr]  --> src/lib.rs:3:1
Dec 14 00:46:02.885 INFO [stderr]   |
Dec 14 00:46:02.885 INFO [stderr] 3 | #[macro_use]
Dec 14 00:46:02.885 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 00:46:02.885 INFO [stderr]   |
Dec 14 00:46:02.885 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:46:02.885 INFO [stderr] 
Dec 14 00:46:03.175 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 14 00:46:03.175 INFO [stderr]  --> src/main.rs:1:12
Dec 14 00:46:03.175 INFO [stderr]   |
Dec 14 00:46:03.175 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 14 00:46:03.175 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 00:46:03.175 INFO [stderr]   |
Dec 14 00:46:03.175 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 00:46:03.175 INFO [stderr] 
Dec 14 00:46:03.287 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 14 00:46:03.287 INFO [stderr]  --> src/lib.rs:1:12
Dec 14 00:46:03.287 INFO [stderr]   |
Dec 14 00:46:03.287 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 14 00:46:03.287 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 00:46:03.287 INFO [stderr]   |
Dec 14 00:46:03.287 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 00:46:03.287 INFO [stderr] 
Dec 14 00:46:03.739 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Dec 14 00:46:03.743 INFO [stderr] su: No module specific data is present
Dec 14 00:46:04.601 INFO running `"docker" "inspect" "0463d3a02e5910792cbe6e79092e13eba6b0a065810d41faed4a60f180210bd2"`
Dec 14 00:46:04.936 INFO running `"docker" "rm" "-f" "0463d3a02e5910792cbe6e79092e13eba6b0a065810d41faed4a60f180210bd2"`
Dec 14 00:46:05.239 INFO [stdout] 0463d3a02e5910792cbe6e79092e13eba6b0a065810d41faed4a60f180210bd2
Dec 14 00:46:05.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 00:46:05.672 INFO [stdout] 9ee1abba1853d47f4afc6591bea63ecb226e3cbcbbca32d82b9a8186e2351280
Dec 14 00:46:05.674 INFO running `"docker" "start" "-a" "9ee1abba1853d47f4afc6591bea63ecb226e3cbcbbca32d82b9a8186e2351280"`
Dec 14 00:46:07.759 INFO [stderr] usermod: no changes
Dec 14 00:46:07.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 00:46:07.863 INFO [stderr]      Running /target/debug/deps/sudokusolver-5a2cf4639dbc45d7
Dec 14 00:46:07.863 INFO [stderr]      Running /target/debug/deps/sudokusolver-0511db42cfb9ce1e
Dec 14 00:46:07.863 INFO [stdout] 
Dec 14 00:46:07.863 INFO [stdout] running 0 tests
Dec 14 00:46:07.863 INFO [stdout] 
Dec 14 00:46:07.863 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:46:07.863 INFO [stdout] 
Dec 14 00:46:07.865 INFO [stdout] 
Dec 14 00:46:07.865 INFO [stdout] running 0 tests
Dec 14 00:46:07.865 INFO [stdout] 
Dec 14 00:46:07.865 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:46:07.865 INFO [stdout] 
Dec 14 00:46:07.865 INFO [stderr]    Doc-tests sudokusolver
Dec 14 00:46:10.075 INFO [stdout] 
Dec 14 00:46:10.075 INFO [stdout] running 0 tests
Dec 14 00:46:10.075 INFO [stdout] 
Dec 14 00:46:10.075 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:46:10.075 INFO [stdout] 
Dec 14 00:46:10.078 INFO [stderr] su: No module specific data is present
Dec 14 00:46:10.803 INFO running `"docker" "inspect" "9ee1abba1853d47f4afc6591bea63ecb226e3cbcbbca32d82b9a8186e2351280"`
Dec 14 00:46:11.057 INFO running `"docker" "rm" "-f" "9ee1abba1853d47f4afc6591bea63ecb226e3cbcbbca32d82b9a8186e2351280"`
Dec 14 00:46:11.311 INFO [stdout] 9ee1abba1853d47f4afc6591bea63ecb226e3cbcbbca32d82b9a8186e2351280