[INFO] fetching crate sudokul 0.2.0...
[INFO] testing sudokul-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sudokul 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sudokul 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudokul 0.2.0
[INFO] finished tweaking crates.io crate sudokul 0.2.0
[INFO] tweaked toml for crates.io crate sudokul 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee17c74b7f485c52cea4d83fd649bc22721e3d9a4a81db8ca3ff367141ae7ad1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee17c74b7f485c52cea4d83fd649bc22721e3d9a4a81db8ca3ff367141ae7ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee17c74b7f485c52cea4d83fd649bc22721e3d9a4a81db8ca3ff367141ae7ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee17c74b7f485c52cea4d83fd649bc22721e3d9a4a81db8ca3ff367141ae7ad1", kill_on_drop: false }`
[INFO] [stdout] ee17c74b7f485c52cea4d83fd649bc22721e3d9a4a81db8ca3ff367141ae7ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1416797d52e21d787ed9ae01114f6de84fa5b2f7c8131282cdfe7ae10d6350
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce1416797d52e21d787ed9ae01114f6de84fa5b2f7c8131282cdfe7ae10d6350", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudokul v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "ce1416797d52e21d787ed9ae01114f6de84fa5b2f7c8131282cdfe7ae10d6350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1416797d52e21d787ed9ae01114f6de84fa5b2f7c8131282cdfe7ae10d6350", kill_on_drop: false }`
[INFO] [stdout] ce1416797d52e21d787ed9ae01114f6de84fa5b2f7c8131282cdfe7ae10d6350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7663ed80f32204417df83d5c708e1e66e812bfe797cf77f644d4fc4347fd3a5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7663ed80f32204417df83d5c708e1e66e812bfe797cf77f644d4fc4347fd3a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudokul v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "7663ed80f32204417df83d5c708e1e66e812bfe797cf77f644d4fc4347fd3a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7663ed80f32204417df83d5c708e1e66e812bfe797cf77f644d4fc4347fd3a5e", kill_on_drop: false }`
[INFO] [stdout] 7663ed80f32204417df83d5c708e1e66e812bfe797cf77f644d4fc4347fd3a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 081391dfc731fd8900d3264801d8db9fa3a78516653fdd09a30e986a35aa7d30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "081391dfc731fd8900d3264801d8db9fa3a78516653fdd09a30e986a35aa7d30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudokul-2bd75ba1ecba4c8a
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test board::linear_u8_board::tests::empty_retrieve ... ok
[INFO] [stdout] test board::linear_u8_board::tests::set_sq_and_get_center ... ok
[INFO] [stdout] test board::linear_u8_board::tests::set_sq_and_get_first ... ok
[INFO] [stdout] test board::nano_board::tests::empty_retrieve ... ok
[INFO] [stdout] test board::nano_board::tests::set_col_and_get ... ok
[INFO] [stdout] test board::nano_board::tests::set_row_and_get ... ok
[INFO] [stdout] test board::nano_board::tests::set_entry_and_retrieve ... ok
[INFO] [stdout] test board::omni_board::tests::set_row_and_get ... ok
[INFO] [stdout] test board::omni_board::tests::set_entry_and_retrieve ... ok
[INFO] [stdout] test board::omni_board::tests::set_sq_and_get_center ... ok
[INFO] [stdout] test board::omni_board::tests::set_col_and_get ... ok
[INFO] [stdout] test board::omni_board::tests::empty_retrieve ... ok
[INFO] [stdout] test board::nano_board::tests::set_sq_and_get_last ... ok
[INFO] [stdout] test board::linear_u8_board::tests::set_sq_and_get_last ... ok
[INFO] [stdout] test validator::sequential_validator::tests::validate_simple_col ... ok
[INFO] [stdout] test validator::sequential_validator::tests::validate_simple_sq ... ok
[INFO] [stdout] test validator::sequential_validator::tests::validate_simple_row ... ok
[INFO] [stdout] test board::nano_board::tests::set_sq_and_get_first ... ok
[INFO] [stdout] test validator::sequential_validator::tests::validate_empty ... ok
[INFO] [stdout] test board::omni_board::tests::set_sq_and_get_last ... ok
[INFO] [stdout] test board::omni_board::tests::set_sq_and_get_first ... ok
[INFO] [stdout] test board::nano_board::tests::set_sq_and_get_center ... ok
[INFO] [stdout] test point::point::tests::point_square_inter_all ... ok
[INFO] [stdout] test point::point::tests::point_square_all ... ok
[INFO] [stdout] test board::nano_board::tests::set_and_get_index ... ok
[INFO] [stdout] test board::linear_u8_board::tests::set_col_and_get ... ok
[INFO] [stderr]    Doc-tests sudokul
[INFO] [stdout] test board::linear_u8_board::tests::set_row_and_get ... ok
[INFO] [stdout] test board::linear_u8_board::tests::set_entry_and_retrieve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/board/mod.rs - board (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "081391dfc731fd8900d3264801d8db9fa3a78516653fdd09a30e986a35aa7d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081391dfc731fd8900d3264801d8db9fa3a78516653fdd09a30e986a35aa7d30", kill_on_drop: false }`
[INFO] [stdout] 081391dfc731fd8900d3264801d8db9fa3a78516653fdd09a30e986a35aa7d30