[INFO] fetching crate latin_squares 0.1.2...
[INFO] testing latin_squares-0.1.2 against master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2
[INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ee98375f39b1d9dd674935e1bcf04192900f0c3b5acc25644902643bfa4fa4
[INFO] running `Command { std: "docker" "start" "-a" "b3ee98375f39b1d9dd674935e1bcf04192900f0c3b5acc25644902643bfa4fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ee98375f39b1d9dd674935e1bcf04192900f0c3b5acc25644902643bfa4fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ee98375f39b1d9dd674935e1bcf04192900f0c3b5acc25644902643bfa4fa4", kill_on_drop: false }`
[INFO] [stdout] b3ee98375f39b1d9dd674935e1bcf04192900f0c3b5acc25644902643bfa4fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b816a0303b54d7d51b73eb070e5307ccf354f925fdf2197b4f156a9e1b37d8
[INFO] running `Command { std: "docker" "start" "-a" "82b816a0303b54d7d51b73eb070e5307ccf354f925fdf2197b4f156a9e1b37d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling moon_stats v0.1.2
[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 [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "82b816a0303b54d7d51b73eb070e5307ccf354f925fdf2197b4f156a9e1b37d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b816a0303b54d7d51b73eb070e5307ccf354f925fdf2197b4f156a9e1b37d8", kill_on_drop: false }`
[INFO] [stdout] 82b816a0303b54d7d51b73eb070e5307ccf354f925fdf2197b4f156a9e1b37d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81101961f9aeec81c43804903cd55fe39168ca0b9b2263770a6de59e4d9994e2
[INFO] running `Command { std: "docker" "start" "-a" "81101961f9aeec81c43804903cd55fe39168ca0b9b2263770a6de59e4d9994e2", kill_on_drop: false }`
[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] [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 [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "81101961f9aeec81c43804903cd55fe39168ca0b9b2263770a6de59e4d9994e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81101961f9aeec81c43804903cd55fe39168ca0b9b2263770a6de59e4d9994e2", kill_on_drop: false }`
[INFO] [stdout] 81101961f9aeec81c43804903cd55fe39168ca0b9b2263770a6de59e4d9994e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eff9a7f7ca7abcef1fb1f48eb53b4a6bc01edec1d8cd74d0c9112fd15db27319
[INFO] running `Command { std: "docker" "start" "-a" "eff9a7f7ca7abcef1fb1f48eb53b4a6bc01edec1d8cd74d0c9112fd15db27319", 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 [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latin_squares-feb8ec25550aead8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_latin_placer ... ok
[INFO] [stdout] test tests::test_latin_solver ... ok
[INFO] [stdout] test tests::test_prob_collapse ... ok
[INFO] [stdout] test tests::oversize_square - should panic ... ok
[INFO] [stdout] test tests::test_latin_culler ... ok
[INFO] [stdout] test tests::generation_distribution_statistics ... ok
[INFO] [stdout] test tests::test_sudoku_single_answer_generation ... ok
[INFO] [stdout] test tests::get_samples ... ok
[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 3.92s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests latin_squares
[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" "eff9a7f7ca7abcef1fb1f48eb53b4a6bc01edec1d8cd74d0c9112fd15db27319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff9a7f7ca7abcef1fb1f48eb53b4a6bc01edec1d8cd74d0c9112fd15db27319", kill_on_drop: false }`
[INFO] [stdout] eff9a7f7ca7abcef1fb1f48eb53b4a6bc01edec1d8cd74d0c9112fd15db27319
[INFO] testing latin_squares-0.1.2 against try#9c1665de5d324fe858dc15371578d6f928bfc123 for pr-116088-2
[INFO] extracting crate latin_squares 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate latin_squares 0.1.2 on toolchain 9c1665de5d324fe858dc15371578d6f928bfc123
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ac360a8dc1887a6a06cb8b246758b3e512435bde06764ef34cec6fcc3dd698
[INFO] running `Command { std: "docker" "start" "-a" "c5ac360a8dc1887a6a06cb8b246758b3e512435bde06764ef34cec6fcc3dd698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ac360a8dc1887a6a06cb8b246758b3e512435bde06764ef34cec6fcc3dd698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ac360a8dc1887a6a06cb8b246758b3e512435bde06764ef34cec6fcc3dd698", kill_on_drop: false }`
[INFO] [stdout] c5ac360a8dc1887a6a06cb8b246758b3e512435bde06764ef34cec6fcc3dd698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00f0f72a2d39bfb31215beb35cc58f39ccee5917b8ccb81544342c5f88983b0c
[INFO] running `Command { std: "docker" "start" "-a" "00f0f72a2d39bfb31215beb35cc58f39ccee5917b8ccb81544342c5f88983b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling moon_stats v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.11
[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 [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "00f0f72a2d39bfb31215beb35cc58f39ccee5917b8ccb81544342c5f88983b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f0f72a2d39bfb31215beb35cc58f39ccee5917b8ccb81544342c5f88983b0c", kill_on_drop: false }`
[INFO] [stdout] 00f0f72a2d39bfb31215beb35cc58f39ccee5917b8ccb81544342c5f88983b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c88c8c3d8644d2ce2294fc5fe0f400bbf79abe64a9d93b650964d318fefc5122
[INFO] running `Command { std: "docker" "start" "-a" "c88c8c3d8644d2ce2294fc5fe0f400bbf79abe64a9d93b650964d318fefc5122", kill_on_drop: false }`
[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] [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]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c88c8c3d8644d2ce2294fc5fe0f400bbf79abe64a9d93b650964d318fefc5122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88c8c3d8644d2ce2294fc5fe0f400bbf79abe64a9d93b650964d318fefc5122", kill_on_drop: false }`
[INFO] [stdout] c88c8c3d8644d2ce2294fc5fe0f400bbf79abe64a9d93b650964d318fefc5122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a49420d2c3d1a82a3f94972352c441aa153c8f88d7933b969ea3bb5fd9571ea5
[INFO] running `Command { std: "docker" "start" "-a" "a49420d2c3d1a82a3f94972352c441aa153c8f88d7933b969ea3bb5fd9571ea5", 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 [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latin_squares-feb8ec25550aead8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_latin_placer ... ok
[INFO] [stdout] test tests::test_latin_solver ... ok
[INFO] [stdout] test tests::test_prob_collapse ... ok
[INFO] [stdout] test tests::oversize_square - should panic ... ok
[INFO] [stdout] test tests::test_latin_culler ... FAILED
[INFO] [stdout] test tests::generation_distribution_statistics ... ok
[INFO] [stdout] test tests::test_sudoku_solver ... ok
[INFO] [stdout] test tests::test_sudoku_single_answer_generation ... ok
[INFO] [stdout] test tests::get_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_latin_culler stdout ----
[INFO] [stdout]   0   6   0   0   1   5
[INFO] [stdout]   4   0   5   6   3   0
[INFO] [stdout]   3   0   0   5   0   0
[INFO] [stdout]   0   0   6   0   0   2
[INFO] [stdout]   0   5   2   3   0   4
[INFO] [stdout]   6   4   0   0   5   0
[INFO] [stdout] thread 'tests::test_latin_culler' panicked at src/lib.rs:365:26:
[INFO] [stdout] attempt to calculate the remainder with a divisor of zero
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fb2c53f4c6 - std::backtrace_rs::backtrace::libunwind::trace::h91c8d54ed99a4c55
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55fb2c53f4c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h715a9230a8fcfb93
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55fb2c53f4c6 - std::sys_common::backtrace::_print_fmt::hbab9610f7b3c51a4
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55fb2c53f4c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h56c55e88977fc622
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55fb2c5683f0 - core::fmt::rt::Argument::fmt::heebe33f1e8c6d0f8
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55fb2c5683f0 - core::fmt::write::h73e5b8b14759e609
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55fb2c53d0ef - std::io::Write::write_fmt::hc6810e91f58091ef
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55fb2c53f2a4 - std::sys_common::backtrace::_print::h835c23092b2371d8
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55fb2c53f2a4 - std::sys_common::backtrace::print::h220bc735ac93468b
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55fb2c541017 - std::panicking::default_hook::{{closure}}::h13e5c81c71823f66
[INFO] [stdout]   10:     0x55fb2c540cfd - std::panicking::default_hook::h49decadd8f3385a7
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55fb2c50abc7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h948fb53b8b08f768
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55fb2c50abc7 - test::test_main::{{closure}}::hb4f3e5071c7080f1
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55fb2c541636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcd5802f61674126e
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55fb2c541636 - std::panicking::rust_panic_with_hook::hd27f6b49984c37db
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55fb2c541349 - std::panicking::begin_panic_handler::{{closure}}::h3cbc731df9d96e4d
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x55fb2c53f9c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hc27809f103d211f0
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55fb2c5410e0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55fb2c4a5cd5 - core::panicking::panic_fmt::ha729e53058547cad
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55fb2c4a5d93 - core::panicking::panic::h0f7b83f8d80bd386
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55fb2c4d2f1b - latin_squares::cull::h9349aa71b0ed3b72
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:365:20
[INFO] [stdout]   21:     0x55fb2c4c5871 - latin_squares::tests::test_latin_culler::h72e39154404799c5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:718:40
[INFO] [stdout]   22:     0x55fb2c4c5387 - latin_squares::tests::test_latin_culler::{{closure}}::ha951bd4466008b78
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:706:24
[INFO] [stdout]   23:     0x55fb2c4c0586 - core::ops::function::FnOnce::call_once::h158567b8157acc64
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55fb2c51049f - core::ops::function::FnOnce::call_once::hc0fe9d49e29a8147
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55fb2c51049f - test::__rust_begin_short_backtrace::haa61ceb70470fb3e
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55fb2c50f221 - test::run_test_in_process::{{closure}}::h8585fae9636dddb2
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55fb2c50f221 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb7a42bf7326d90ad
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55fb2c50f221 - std::panicking::try::do_call::h9063f39381e190d5
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55fb2c50f221 - std::panicking::try::h1e696c55679552ba
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55fb2c50f221 - std::panic::catch_unwind::ha638c57cde7bcebd
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55fb2c50f221 - test::run_test_in_process::h87d13783dd3d2492
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55fb2c50f221 - test::run_test::{{closure}}::hbfb7402b4584e0f1
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55fb2c4d66c6 - test::run_test::{{closure}}::h6b5a8e7824747db3
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55fb2c4d66c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd4768720b288897d
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55fb2c4db727 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha03eb79d3e2ff5a3
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55fb2c4db727 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hec8051eee7bc5c29
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55fb2c4db727 - std::panicking::try::do_call::ha639d9c4a070100b
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55fb2c4db727 - std::panicking::try::ha45df3d3f6ed1370
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55fb2c4db727 - std::panic::catch_unwind::hac44f4c50a87c82d
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55fb2c4db727 - std::thread::Builder::spawn_unchecked_::{{closure}}::hfecb7080eaed2a35
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55fb2c4db727 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4739d9410aed0b36
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55fb2c5460e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf07182c172025753
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55fb2c5460e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hffcc280980d6bb6c
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55fb2c5460e5 - std::sys::unix::thread::Thread::new::thread_start::h35e8c1dabb0282bb
[INFO] [stdout]                                at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8ca39a6ac3 - <unknown>
[INFO] [stdout]   46:     0x7f8ca3a37bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_latin_culler
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a49420d2c3d1a82a3f94972352c441aa153c8f88d7933b969ea3bb5fd9571ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49420d2c3d1a82a3f94972352c441aa153c8f88d7933b969ea3bb5fd9571ea5", kill_on_drop: false }`
[INFO] [stdout] a49420d2c3d1a82a3f94972352c441aa153c8f88d7933b969ea3bb5fd9571ea5
