[INFO] fetching crate sudoku_lib 0.2.9...
[INFO] testing sudoku_lib-0.2.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate sudoku_lib 0.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sudoku_lib 0.2.9
[INFO] finished tweaking crates.io crate sudoku_lib 0.2.9
[INFO] tweaked toml for crates.io crate sudoku_lib 0.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sudoku_lib 0.2.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6723f7cbfa13fea04172fa926817740427bcae39475afd17863c7184672f8c60
[INFO] running `Command { std: "docker" "start" "-a" "6723f7cbfa13fea04172fa926817740427bcae39475afd17863c7184672f8c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6723f7cbfa13fea04172fa926817740427bcae39475afd17863c7184672f8c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6723f7cbfa13fea04172fa926817740427bcae39475afd17863c7184672f8c60", kill_on_drop: false }`
[INFO] [stdout] 6723f7cbfa13fea04172fa926817740427bcae39475afd17863c7184672f8c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e331415963094548511de8c91162809ef1362861a1e0f44414b149a711e9dfe
[INFO] running `Command { std: "docker" "start" "-a" "4e331415963094548511de8c91162809ef1362861a1e0f44414b149a711e9dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling sudoku_lib v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "4e331415963094548511de8c91162809ef1362861a1e0f44414b149a711e9dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e331415963094548511de8c91162809ef1362861a1e0f44414b149a711e9dfe", kill_on_drop: false }`
[INFO] [stdout] 4e331415963094548511de8c91162809ef1362861a1e0f44414b149a711e9dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c240cae001849d5920e370c27f39aa43008f1343631a7191744e360c62693494
[INFO] running `Command { std: "docker" "start" "-a" "c240cae001849d5920e370c27f39aa43008f1343631a7191744e360c62693494", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_lib v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "c240cae001849d5920e370c27f39aa43008f1343631a7191744e360c62693494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c240cae001849d5920e370c27f39aa43008f1343631a7191744e360c62693494", kill_on_drop: false }`
[INFO] [stdout] c240cae001849d5920e370c27f39aa43008f1343631a7191744e360c62693494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28bd9ac5152673143d1657bd85c40fd3cb9c468eb02389b2626a629ecf448927
[INFO] running `Command { std: "docker" "start" "-a" "28bd9ac5152673143d1657bd85c40fd3cb9c468eb02389b2626a629ecf448927", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_lib-4f4de5448817c5e8)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test board::tests::get_block ... ok
[INFO] [stdout] test board::tests::set_row ... ok
[INFO] [stdout] test chunk::tests::chunk_has_repetitions ... ok
[INFO] [stdout] test board::tests::is_valid ... ok
[INFO] [stdout] test board::tests::set_column ... ok
[INFO] [stdout] test board::tests::is_not_valid ... ok
[INFO] [stdout] test board::tests::set_block ... ok
[INFO] [stdout] test board::tests::has_correct_display_format ... ok
[INFO] [stdout] test board::tests::get_column ... ok
[INFO] [stdout] test board::tests::get_row ... ok
[INFO] [stdout] test chunk::tests::chunk_has_no_repetitions ... ok
[INFO] [stdout] test value::tests::serialized_format ... ok
[INFO] [stdout] test value::tests::value_option_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku_lib
[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" "28bd9ac5152673143d1657bd85c40fd3cb9c468eb02389b2626a629ecf448927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bd9ac5152673143d1657bd85c40fd3cb9c468eb02389b2626a629ecf448927", kill_on_drop: false }`
[INFO] [stdout] 28bd9ac5152673143d1657bd85c40fd3cb9c468eb02389b2626a629ecf448927