[INFO] cloning repository https://github.com/dckc/snakes-ladders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dckc/snakes-ladders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdckc%2Fsnakes-ladders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdckc%2Fsnakes-ladders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fea15b696ffd3eabcea308a679d6f857a29588f7
[INFO] testing dckc/snakes-ladders against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdckc%2Fsnakes-ladders" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dckc/snakes-ladders on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dckc/snakes-ladders
[INFO] finished tweaking git repo https://github.com/dckc/snakes-ladders
[INFO] tweaked toml for git repo https://github.com/dckc/snakes-ladders written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/dckc/snakes-ladders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f6abb0db686dc36b8e4342d1d061e3ceee9b449153788c43a27013cc75243f
[INFO] running `Command { std: "docker" "start" "-a" "25f6abb0db686dc36b8e4342d1d061e3ceee9b449153788c43a27013cc75243f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f6abb0db686dc36b8e4342d1d061e3ceee9b449153788c43a27013cc75243f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f6abb0db686dc36b8e4342d1d061e3ceee9b449153788c43a27013cc75243f", kill_on_drop: false }`
[INFO] [stdout] 25f6abb0db686dc36b8e4342d1d061e3ceee9b449153788c43a27013cc75243f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e14a4b0c4fe371311bca4de3445db119a09e1e77f0aeb9909dad5c477735af5
[INFO] running `Command { std: "docker" "start" "-a" "0e14a4b0c4fe371311bca4de3445db119a09e1e77f0aeb9909dad5c477735af5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.43s
[INFO] running `Command { std: "docker" "inspect" "0e14a4b0c4fe371311bca4de3445db119a09e1e77f0aeb9909dad5c477735af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e14a4b0c4fe371311bca4de3445db119a09e1e77f0aeb9909dad5c477735af5", kill_on_drop: false }`
[INFO] [stdout] 0e14a4b0c4fe371311bca4de3445db119a09e1e77f0aeb9909dad5c477735af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3063d33e46aea7a90736b37c4c531641537413d6855a6b00c80e6e88e53c55
[INFO] running `Command { std: "docker" "start" "-a" "1f3063d33e46aea7a90736b37c4c531641537413d6855a6b00c80e6e88e53c55", kill_on_drop: false }`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "1f3063d33e46aea7a90736b37c4c531641537413d6855a6b00c80e6e88e53c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3063d33e46aea7a90736b37c4c531641537413d6855a6b00c80e6e88e53c55", kill_on_drop: false }`
[INFO] [stdout] 1f3063d33e46aea7a90736b37c4c531641537413d6855a6b00c80e6e88e53c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90dc93bfa4c68ee12b21d4a8f17f8231e2e24db40dfe20d211799eb23860f288
[INFO] running `Command { std: "docker" "start" "-a" "90dc93bfa4c68ee12b21d4a8f17f8231e2e24db40dfe20d211799eb23860f288", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assign4-b0236e0c26008ffa)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::command_parse1 ... ok
[INFO] [stdout] test test::make_sample_output ... ok
[INFO] [stdout] test test::parse_sample_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90dc93bfa4c68ee12b21d4a8f17f8231e2e24db40dfe20d211799eb23860f288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dc93bfa4c68ee12b21d4a8f17f8231e2e24db40dfe20d211799eb23860f288", kill_on_drop: false }`
[INFO] [stdout] 90dc93bfa4c68ee12b21d4a8f17f8231e2e24db40dfe20d211799eb23860f288