Nov 17 07:35:26.638 INFO testing brinchj/rust-sudoku-fun against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 07:35:26.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 07:35:27.081 INFO [stdout] be1615cf41a01e73a4d9b08da44d086070200c51d2269afb3fec0f021685a914
Nov 17 07:35:27.083 INFO running `"docker" "start" "-a" "be1615cf41a01e73a4d9b08da44d086070200c51d2269afb3fec0f021685a914"`
Nov 17 07:35:28.831 INFO [stderr] usermod: no changes
Nov 17 07:35:29.015 INFO [stderr]    Compiling im v10.2.0
Nov 17 07:35:29.016 INFO [stderr]    Compiling backtrace v0.1.8
Nov 17 07:35:30.724 INFO [stderr]    Compiling debugtrace v0.1.0
Nov 17 07:35:31.503 INFO [stderr]    Compiling chomp v0.3.1
Nov 17 07:35:35.293 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Nov 17 07:35:35.695 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:35.695 INFO [stderr]  --> src/lib.rs:3:1
Nov 17 07:35:35.695 INFO [stderr]   |
Nov 17 07:35:35.695 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:35.695 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:35.695 INFO [stderr]   |
Nov 17 07:35:35.695 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:35.695 INFO [stderr] 
Nov 17 07:35:35.880 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 07:35:35.880 INFO [stderr]  --> src/lib.rs:1:12
Nov 17 07:35:35.880 INFO [stderr]   |
Nov 17 07:35:35.880 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:35.880 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:35.880 INFO [stderr]   |
Nov 17 07:35:35.880 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:35.880 INFO [stderr] 
Nov 17 07:35:38.757 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:38.763 INFO [stderr]  --> src/main.rs:3:1
Nov 17 07:35:38.764 INFO [stderr]   |
Nov 17 07:35:38.764 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:38.764 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:38.764 INFO [stderr]   |
Nov 17 07:35:38.765 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:38.765 INFO [stderr] 
Nov 17 07:35:38.951 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 07:35:38.952 INFO [stderr]  --> src/main.rs:1:12
Nov 17 07:35:38.952 INFO [stderr]   |
Nov 17 07:35:38.952 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:38.952 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:38.953 INFO [stderr]   |
Nov 17 07:35:38.953 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:38.953 INFO [stderr] 
Nov 17 07:35:41.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
Nov 17 07:35:41.665 INFO [stderr] su: No module specific data is present
Nov 17 07:35:42.469 INFO running `"docker" "inspect" "be1615cf41a01e73a4d9b08da44d086070200c51d2269afb3fec0f021685a914"`
Nov 17 07:35:42.765 INFO running `"docker" "rm" "-f" "be1615cf41a01e73a4d9b08da44d086070200c51d2269afb3fec0f021685a914"`
Nov 17 07:35:43.047 INFO [stdout] be1615cf41a01e73a4d9b08da44d086070200c51d2269afb3fec0f021685a914
Nov 17 07:35:43.055 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 07:35:43.691 INFO [stdout] 448e44b0de3ea28ea332b2d948846b8efae606dbc14b4ee71f2ba19f75a34ca4
Nov 17 07:35:43.701 INFO running `"docker" "start" "-a" "448e44b0de3ea28ea332b2d948846b8efae606dbc14b4ee71f2ba19f75a34ca4"`
Nov 17 07:35:44.786 INFO [stderr] usermod: no changes
Nov 17 07:35:44.955 INFO [stderr]    Compiling sudokusolver v0.1.0 (/source)
Nov 17 07:35:45.747 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:45.747 INFO [stderr]  --> src/lib.rs:3:1
Nov 17 07:35:45.747 INFO [stderr]   |
Nov 17 07:35:45.747 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:45.747 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:45.747 INFO [stderr]   |
Nov 17 07:35:45.747 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:45.747 INFO [stderr] 
Nov 17 07:35:45.775 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 07:35:45.775 INFO [stderr]  --> src/main.rs:3:1
Nov 17 07:35:45.775 INFO [stderr]   |
Nov 17 07:35:45.775 INFO [stderr] 3 | #[macro_use]
Nov 17 07:35:45.775 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 07:35:45.775 INFO [stderr]   |
Nov 17 07:35:45.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:35:45.775 INFO [stderr] 
Nov 17 07:35:46.083 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 07:35:46.083 INFO [stderr]  --> src/main.rs:1:12
Nov 17 07:35:46.083 INFO [stderr]   |
Nov 17 07:35:46.083 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:46.083 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:46.083 INFO [stderr]   |
Nov 17 07:35:46.083 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:46.083 INFO [stderr] 
Nov 17 07:35:46.275 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 07:35:46.275 INFO [stderr]  --> src/lib.rs:1:12
Nov 17 07:35:46.275 INFO [stderr]   |
Nov 17 07:35:46.275 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 17 07:35:46.275 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 17 07:35:46.275 INFO [stderr]   |
Nov 17 07:35:46.275 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 17 07:35:46.275 INFO [stderr] 
Nov 17 07:35:46.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Nov 17 07:35:46.816 INFO [stderr] su: No module specific data is present
Nov 17 07:35:47.937 INFO running `"docker" "inspect" "448e44b0de3ea28ea332b2d948846b8efae606dbc14b4ee71f2ba19f75a34ca4"`
Nov 17 07:35:48.233 INFO running `"docker" "rm" "-f" "448e44b0de3ea28ea332b2d948846b8efae606dbc14b4ee71f2ba19f75a34ca4"`
Nov 17 07:35:48.639 INFO [stdout] 448e44b0de3ea28ea332b2d948846b8efae606dbc14b4ee71f2ba19f75a34ca4
Nov 17 07:35:48.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 07:35:49.188 INFO [stdout] ca503351ddbbee47ecc2c751e58a55497f8b2c973fd530bc96c0e7fc10dcf180
Nov 17 07:35:49.190 INFO running `"docker" "start" "-a" "ca503351ddbbee47ecc2c751e58a55497f8b2c973fd530bc96c0e7fc10dcf180"`
Nov 17 07:35:51.559 INFO [stderr] usermod: no changes
Nov 17 07:35:51.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Nov 17 07:35:51.722 INFO [stderr]      Running /target/debug/deps/sudokusolver-299d8fb7021860ae
Nov 17 07:35:51.725 INFO [stderr]      Running /target/debug/deps/sudokusolver-2b23fe9d96cbc094
Nov 17 07:35:51.726 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stdout] running 0 tests
Nov 17 07:35:51.728 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:35:51.728 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stdout] running 0 tests
Nov 17 07:35:51.728 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:35:51.728 INFO [stdout] 
Nov 17 07:35:51.728 INFO [stderr]    Doc-tests sudokusolver
Nov 17 07:35:52.424 INFO [stdout] 
Nov 17 07:35:52.424 INFO [stdout] running 0 tests
Nov 17 07:35:52.424 INFO [stdout] 
Nov 17 07:35:52.424 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:35:52.424 INFO [stdout] 
Nov 17 07:35:52.435 INFO [stderr] su: No module specific data is present
Nov 17 07:35:53.178 INFO running `"docker" "inspect" "ca503351ddbbee47ecc2c751e58a55497f8b2c973fd530bc96c0e7fc10dcf180"`
Nov 17 07:35:53.513 INFO running `"docker" "rm" "-f" "ca503351ddbbee47ecc2c751e58a55497f8b2c973fd530bc96c0e7fc10dcf180"`
Nov 17 07:35:53.908 INFO [stdout] ca503351ddbbee47ecc2c751e58a55497f8b2c973fd530bc96c0e7fc10dcf180