[INFO] cloning repository https://github.com/archer884/ndigit-challenge-solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/ndigit-challenge-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fndigit-challenge-solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fndigit-challenge-solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5701d6ad2adea5dbf6954b29284322799186ef05
[INFO] testing archer884/ndigit-challenge-solution against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fndigit-challenge-solution" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/ndigit-challenge-solution 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/archer884/ndigit-challenge-solution
[INFO] finished tweaking git repo https://github.com/archer884/ndigit-challenge-solution
[INFO] tweaked toml for git repo https://github.com/archer884/ndigit-challenge-solution written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/ndigit-challenge-solution 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 9705b624c5bc8d56b763be9a5c1417880da1db9c474de9053733813c48ce56a5
[INFO] running `Command { std: "docker" "start" "-a" "9705b624c5bc8d56b763be9a5c1417880da1db9c474de9053733813c48ce56a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9705b624c5bc8d56b763be9a5c1417880da1db9c474de9053733813c48ce56a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9705b624c5bc8d56b763be9a5c1417880da1db9c474de9053733813c48ce56a5", kill_on_drop: false }`
[INFO] [stdout] 9705b624c5bc8d56b763be9a5c1417880da1db9c474de9053733813c48ce56a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 88deb04219ece3c62f89eac79d97d9460f985b600bfeb65f80113775dc8198db
[INFO] running `Command { std: "docker" "start" "-a" "88deb04219ece3c62f89eac79d97d9460f985b600bfeb65f80113775dc8198db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling ndigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "88deb04219ece3c62f89eac79d97d9460f985b600bfeb65f80113775dc8198db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88deb04219ece3c62f89eac79d97d9460f985b600bfeb65f80113775dc8198db", kill_on_drop: false }`
[INFO] [stdout] 88deb04219ece3c62f89eac79d97d9460f985b600bfeb65f80113775dc8198db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 0b90cc09f8e0d727e04da4f16d89dc7b9807880a2bc34cb9d5f03e162d61b800
[INFO] running `Command { std: "docker" "start" "-a" "0b90cc09f8e0d727e04da4f16d89dc7b9807880a2bc34cb9d5f03e162d61b800", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ndigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "0b90cc09f8e0d727e04da4f16d89dc7b9807880a2bc34cb9d5f03e162d61b800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b90cc09f8e0d727e04da4f16d89dc7b9807880a2bc34cb9d5f03e162d61b800", kill_on_drop: false }`
[INFO] [stdout] 0b90cc09f8e0d727e04da4f16d89dc7b9807880a2bc34cb9d5f03e162d61b800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] d373ce710545561fef63b855252fb67521829cae45da2fe1a2fd98db07f0bde2
[INFO] running `Command { std: "docker" "start" "-a" "d373ce710545561fef63b855252fb67521829cae45da2fe1a2fd98db07f0bde2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ndigit-8c82c382da4064b3)
[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" "d373ce710545561fef63b855252fb67521829cae45da2fe1a2fd98db07f0bde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d373ce710545561fef63b855252fb67521829cae45da2fe1a2fd98db07f0bde2", kill_on_drop: false }`
[INFO] [stdout] d373ce710545561fef63b855252fb67521829cae45da2fe1a2fd98db07f0bde2