[INFO] updating cached repository https://github.com/Julian-Wollersberger/sudoku_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4b144efc66349f24f7640fee471e2ccc0782d9e
[INFO] testing Julian-Wollersberger/sudoku_solver against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulian-Wollersberger%2Fsudoku_solver" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Julian-Wollersberger/sudoku_solver on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Julian-Wollersberger/sudoku_solver
[INFO] finished tweaking git repo https://github.com/Julian-Wollersberger/sudoku_solver
[INFO] tweaked toml for git repo https://github.com/Julian-Wollersberger/sudoku_solver written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Julian-Wollersberger/sudoku_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b11156b33a2231e10c28bbdae3f618a6695877f789bd77682906360c97647ac6
[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" "b11156b33a2231e10c28bbdae3f618a6695877f789bd77682906360c97647ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11156b33a2231e10c28bbdae3f618a6695877f789bd77682906360c97647ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11156b33a2231e10c28bbdae3f618a6695877f789bd77682906360c97647ac6", kill_on_drop: false }`
[INFO] [stdout] b11156b33a2231e10c28bbdae3f618a6695877f789bd77682906360c97647ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ea991efa632918340e180dc390b5de37d9b6abf6efce118b8d010d2a708fd8
[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" "f0ea991efa632918340e180dc390b5de37d9b6abf6efce118b8d010d2a708fd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/csv_parser.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     return Err(String::from(err.description()))
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "f0ea991efa632918340e180dc390b5de37d9b6abf6efce118b8d010d2a708fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ea991efa632918340e180dc390b5de37d9b6abf6efce118b8d010d2a708fd8", kill_on_drop: false }`
[INFO] [stdout] f0ea991efa632918340e180dc390b5de37d9b6abf6efce118b8d010d2a708fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09f7b9b7d3b244606c57fe36d8acea04f364c7fa835c6cf89b661a3c58576b04
[INFO] running `Command { std: "docker" "start" "-a" "09f7b9b7d3b244606c57fe36d8acea04f364c7fa835c6cf89b661a3c58576b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/csv_parser.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     return Err(String::from(err.description()))
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 1.14s
[INFO] running `Command { std: "docker" "inspect" "09f7b9b7d3b244606c57fe36d8acea04f364c7fa835c6cf89b661a3c58576b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f7b9b7d3b244606c57fe36d8acea04f364c7fa835c6cf89b661a3c58576b04", kill_on_drop: false }`
[INFO] [stdout] 09f7b9b7d3b244606c57fe36d8acea04f364c7fa835c6cf89b661a3c58576b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b11fb33be80f1e760584459952219ec545d0b9f82fbad9ca5482f4e931558618
[INFO] running `Command { std: "docker" "start" "-a" "b11fb33be80f1e760584459952219ec545d0b9f82fbad9ca5482f4e931558618", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/csv_parser.rs:56:49
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     return Err(String::from(err.description()))
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-ddb47376dbf068a1
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test csv_parser::test::parse_cell_test ... ok
[INFO] [stdout] test solver::possibilities_finder::test::find_possibilities_test ... ok
[INFO] [stdout] test solver::possibilities_finder::test::check_test ... ok
[INFO] [stdout] test field::test::alternate_display_test ... ok
[INFO] [stdout] test field::test::constant_assertions ... ok
[INFO] [stdout] test field::test::display_test ... ok
[INFO] [stdout] test csv_parser::test::parse_csv_test ... ok
[INFO] [stdout] test solver::sudoku_solver::test::solve_example_completely ... ok
[INFO] [stdout] test solver::sudoku_solver::test::solve_step_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b11fb33be80f1e760584459952219ec545d0b9f82fbad9ca5482f4e931558618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11fb33be80f1e760584459952219ec545d0b9f82fbad9ca5482f4e931558618", kill_on_drop: false }`
[INFO] [stdout] b11fb33be80f1e760584459952219ec545d0b9f82fbad9ca5482f4e931558618