[INFO] cloning repository https://github.com/zygomorphic/rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zygomorphic/rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzygomorphic%2Frust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzygomorphic%2Frust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c32441fa56539f7eaef578c82137e817d8c4bdaf
[INFO] testing zygomorphic/rust-exercise against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzygomorphic%2Frust-exercise" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zygomorphic/rust-exercise on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zygomorphic/rust-exercise
[INFO] finished tweaking git repo https://github.com/zygomorphic/rust-exercise
[INFO] tweaked toml for git repo https://github.com/zygomorphic/rust-exercise written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/zygomorphic/rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26db0eae91232cabb70404dfa5aabac01da8afdcd1e61cd053b0f20177d628df
[INFO] running `Command { std: "docker" "start" "-a" "26db0eae91232cabb70404dfa5aabac01da8afdcd1e61cd053b0f20177d628df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26db0eae91232cabb70404dfa5aabac01da8afdcd1e61cd053b0f20177d628df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26db0eae91232cabb70404dfa5aabac01da8afdcd1e61cd053b0f20177d628df", kill_on_drop: false }`
[INFO] [stdout] 26db0eae91232cabb70404dfa5aabac01da8afdcd1e61cd053b0f20177d628df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 598c40a036041e68dc6240025792d9bc828d6081b50dbc2d4a241ebd751307a2
[INFO] running `Command { std: "docker" "start" "-a" "598c40a036041e68dc6240025792d9bc828d6081b50dbc2d4a241ebd751307a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "598c40a036041e68dc6240025792d9bc828d6081b50dbc2d4a241ebd751307a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598c40a036041e68dc6240025792d9bc828d6081b50dbc2d4a241ebd751307a2", kill_on_drop: false }`
[INFO] [stdout] 598c40a036041e68dc6240025792d9bc828d6081b50dbc2d4a241ebd751307a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62236e133387d5cda42b89406dd43481dcf92132d61ac1f38c628b1b2327e43f
[INFO] running `Command { std: "docker" "start" "-a" "62236e133387d5cda42b89406dd43481dcf92132d61ac1f38c628b1b2327e43f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "62236e133387d5cda42b89406dd43481dcf92132d61ac1f38c628b1b2327e43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62236e133387d5cda42b89406dd43481dcf92132d61ac1f38c628b1b2327e43f", kill_on_drop: false }`
[INFO] [stdout] 62236e133387d5cda42b89406dd43481dcf92132d61ac1f38c628b1b2327e43f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 935d4a84437c80e68b29a845562ff7507c124a536157f8705897400d6b6939cc
[INFO] running `Command { std: "docker" "start" "-a" "935d4a84437c80e68b29a845562ff7507c124a536157f8705897400d6b6939cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exercise-16ab1855bd9b0fa7)
[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" "935d4a84437c80e68b29a845562ff7507c124a536157f8705897400d6b6939cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935d4a84437c80e68b29a845562ff7507c124a536157f8705897400d6b6939cc", kill_on_drop: false }`
[INFO] [stdout] 935d4a84437c80e68b29a845562ff7507c124a536157f8705897400d6b6939cc