[INFO] fetching crate latin_squares 0.1.2...
[INFO] testing latin_squares-0.1.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate latin_squares 0.1.2
[INFO] finished tweaking crates.io crate latin_squares 0.1.2
[INFO] tweaked toml for crates.io crate latin_squares 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded moon_stats v0.1.2
[INFO] [stderr]   Downloaded moon_math v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b029db45363281f6fc18f5a851e9e13584798f14e3ad17429c45397b5e055a
[INFO] running `Command { std: "docker" "start" "-a" "f0b029db45363281f6fc18f5a851e9e13584798f14e3ad17429c45397b5e055a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b029db45363281f6fc18f5a851e9e13584798f14e3ad17429c45397b5e055a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b029db45363281f6fc18f5a851e9e13584798f14e3ad17429c45397b5e055a", kill_on_drop: false }`
[INFO] [stdout] f0b029db45363281f6fc18f5a851e9e13584798f14e3ad17429c45397b5e055a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dbe47fdaf6e4eed961338d9a3671e1880de1d91ee9adc3bc12800c276e9a3f6
[INFO] running `Command { std: "docker" "start" "-a" "0dbe47fdaf6e4eed961338d9a3671e1880de1d91ee9adc3bc12800c276e9a3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling moon_stats v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling moon_math v0.1.3
[INFO] [stderr]    Compiling latin_squares v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0dbe47fdaf6e4eed961338d9a3671e1880de1d91ee9adc3bc12800c276e9a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbe47fdaf6e4eed961338d9a3671e1880de1d91ee9adc3bc12800c276e9a3f6", kill_on_drop: false }`
[INFO] [stdout] 0dbe47fdaf6e4eed961338d9a3671e1880de1d91ee9adc3bc12800c276e9a3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4917b5241efb65dcab1ec63fa7b6b2e913b6782073537b643c2bacee09f188c
[INFO] running `Command { std: "docker" "start" "-a" "d4917b5241efb65dcab1ec63fa7b6b2e913b6782073537b643c2bacee09f188c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling latin_squares v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::tui::print_2d_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "d4917b5241efb65dcab1ec63fa7b6b2e913b6782073537b643c2bacee09f188c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4917b5241efb65dcab1ec63fa7b6b2e913b6782073537b643c2bacee09f188c", kill_on_drop: false }`
[INFO] [stdout] d4917b5241efb65dcab1ec63fa7b6b2e913b6782073537b643c2bacee09f188c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea6e6fcb989d1ba61bfcfe0c10e854083f8cf08a26cd9edb9ad3aeb4bcc7b2cb
[INFO] running `Command { std: "docker" "start" "-a" "ea6e6fcb989d1ba61bfcfe0c10e854083f8cf08a26cd9edb9ad3aeb4bcc7b2cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::tui::print_2d_vec`
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use crate::tui::print_2d_vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `latin_squares` (lib) generated 1 warning (run `cargo fix --lib -p latin_squares` to apply 1 suggestion)
[INFO] [stderr] warning: `latin_squares` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latin_squares-8fc6286d81c6d930)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_latin_solver ... ok
[INFO] [stdout] test tests::oversize_square - should panic ... ok
[INFO] [stdout] test tests::test_latin_placer ... ok
[INFO] [stdout] test tests::test_prob_collapse ... ok
[INFO] [stdout] test tests::generation_distribution_statistics ... ok
[INFO] [stdout] test tests::test_latin_culler ... ok
[INFO] [stdout] test tests::test_sudoku_single_answer_generation ... ok
[INFO] [stdout] test tests::get_samples ... ok
[INFO] [stderr]    Doc-tests latin_squares
[INFO] [stdout] test tests::test_sudoku_solver ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.94s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea6e6fcb989d1ba61bfcfe0c10e854083f8cf08a26cd9edb9ad3aeb4bcc7b2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6e6fcb989d1ba61bfcfe0c10e854083f8cf08a26cd9edb9ad3aeb4bcc7b2cb", kill_on_drop: false }`
[INFO] [stdout] ea6e6fcb989d1ba61bfcfe0c10e854083f8cf08a26cd9edb9ad3aeb4bcc7b2cb