[INFO] cloning repository https://github.com/viktorstrate/toy-sat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viktorstrate/toy-sat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviktorstrate%2Ftoy-sat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviktorstrate%2Ftoy-sat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02cd4f5664f90a076f369006c15f879396818c10
[INFO] testing viktorstrate/toy-sat against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviktorstrate%2Ftoy-sat" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viktorstrate/toy-sat on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/viktorstrate/toy-sat
[INFO] finished tweaking git repo https://github.com/viktorstrate/toy-sat
[INFO] tweaked toml for git repo https://github.com/viktorstrate/toy-sat written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/viktorstrate/toy-sat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60b864c63844c2bccfbe74f8f7f4db807b640192bd8868a0fd347029b919d645
[INFO] running `Command { std: "docker" "start" "-a" "60b864c63844c2bccfbe74f8f7f4db807b640192bd8868a0fd347029b919d645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60b864c63844c2bccfbe74f8f7f4db807b640192bd8868a0fd347029b919d645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b864c63844c2bccfbe74f8f7f4db807b640192bd8868a0fd347029b919d645", kill_on_drop: false }`
[INFO] [stdout] 60b864c63844c2bccfbe74f8f7f4db807b640192bd8868a0fd347029b919d645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8738f10a294761a42964556f68827406c4f99f7a2eb92079be30f66c9013d7
[INFO] running `Command { std: "docker" "start" "-a" "5b8738f10a294761a42964556f68827406c4f99f7a2eb92079be30f66c9013d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling toy-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.70s
[INFO] running `Command { std: "docker" "inspect" "5b8738f10a294761a42964556f68827406c4f99f7a2eb92079be30f66c9013d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8738f10a294761a42964556f68827406c4f99f7a2eb92079be30f66c9013d7", kill_on_drop: false }`
[INFO] [stdout] 5b8738f10a294761a42964556f68827406c4f99f7a2eb92079be30f66c9013d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf10f1c75843d8df8282eaece3654d5898d927bfee5c1e765e81200db79d1a2
[INFO] running `Command { std: "docker" "start" "-a" "9cf10f1c75843d8df8282eaece3654d5898d927bfee5c1e765e81200db79d1a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "9cf10f1c75843d8df8282eaece3654d5898d927bfee5c1e765e81200db79d1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf10f1c75843d8df8282eaece3654d5898d927bfee5c1e765e81200db79d1a2", kill_on_drop: false }`
[INFO] [stdout] 9cf10f1c75843d8df8282eaece3654d5898d927bfee5c1e765e81200db79d1a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6858072b5e7f89391ec8045cea7c94cc6b981421d1a882184ed66b399b447c91
[INFO] running `Command { std: "docker" "start" "-a" "6858072b5e7f89391ec8045cea7c94cc6b981421d1a882184ed66b399b447c91", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toy_sat-763ea79196b8c3d8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test solver::combinational::tests::test_valid_combinations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6858072b5e7f89391ec8045cea7c94cc6b981421d1a882184ed66b399b447c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6858072b5e7f89391ec8045cea7c94cc6b981421d1a882184ed66b399b447c91", kill_on_drop: false }`
[INFO] [stdout] 6858072b5e7f89391ec8045cea7c94cc6b981421d1a882184ed66b399b447c91