[INFO] cloning repository https://github.com/richardARPANET/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardARPANET/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrichardARPANET%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrichardARPANET%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a8a2662a2cd5a006e8b12caf3d9bd5b533faf7f
[INFO] testing richardARPANET/rust-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrichardARPANET%2Frust-playground" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardARPANET/rust-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardARPANET/rust-playground
[INFO] finished tweaking git repo https://github.com/richardARPANET/rust-playground
[INFO] tweaked toml for git repo https://github.com/richardARPANET/rust-playground written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/richardARPANET/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6fd99bbb8f18618ac1f5fbec2a4a0055856f4698c20a71801901049ebadce94
[INFO] running `Command { std: "docker" "start" "-a" "e6fd99bbb8f18618ac1f5fbec2a4a0055856f4698c20a71801901049ebadce94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6fd99bbb8f18618ac1f5fbec2a4a0055856f4698c20a71801901049ebadce94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fd99bbb8f18618ac1f5fbec2a4a0055856f4698c20a71801901049ebadce94", kill_on_drop: false }`
[INFO] [stdout] e6fd99bbb8f18618ac1f5fbec2a4a0055856f4698c20a71801901049ebadce94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91c79e66fc829a44912006774e35f0b3fdc1fba7398b543398a039f1dfabe5c
[INFO] running `Command { std: "docker" "start" "-a" "d91c79e66fc829a44912006774e35f0b3fdc1fba7398b543398a039f1dfabe5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "d91c79e66fc829a44912006774e35f0b3fdc1fba7398b543398a039f1dfabe5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91c79e66fc829a44912006774e35f0b3fdc1fba7398b543398a039f1dfabe5c", kill_on_drop: false }`
[INFO] [stdout] d91c79e66fc829a44912006774e35f0b3fdc1fba7398b543398a039f1dfabe5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d128dd2599ae86fc810789d325749ce9bcdda6b0c060bfe7c95cd7d1d73920
[INFO] running `Command { std: "docker" "start" "-a" "78d128dd2599ae86fc810789d325749ce9bcdda6b0c060bfe7c95cd7d1d73920", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "78d128dd2599ae86fc810789d325749ce9bcdda6b0c060bfe7c95cd7d1d73920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d128dd2599ae86fc810789d325749ce9bcdda6b0c060bfe7c95cd7d1d73920", kill_on_drop: false }`
[INFO] [stdout] 78d128dd2599ae86fc810789d325749ce9bcdda6b0c060bfe7c95cd7d1d73920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 731450738acb3aebf6a0a688a29f3ad3382767085802498c4c42ab4be88a5942
[INFO] running `Command { std: "docker" "start" "-a" "731450738acb3aebf6a0a688a29f3ad3382767085802498c4c42ab4be88a5942", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-b28ce99b7fb6acf4)
[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" "731450738acb3aebf6a0a688a29f3ad3382767085802498c4c42ab4be88a5942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731450738acb3aebf6a0a688a29f3ad3382767085802498c4c42ab4be88a5942", kill_on_drop: false }`
[INFO] [stdout] 731450738acb3aebf6a0a688a29f3ad3382767085802498c4c42ab4be88a5942