[INFO] cloning repository https://github.com/armadillojoe/PNGPuzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/armadillojoe/PNGPuzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmadillojoe%2FPNGPuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmadillojoe%2FPNGPuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd010b284bba87149932397c5ba14e141ac4268
[INFO] testing armadillojoe/PNGPuzzle against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmadillojoe%2FPNGPuzzle" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/armadillojoe/PNGPuzzle on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/armadillojoe/PNGPuzzle
[INFO] finished tweaking git repo https://github.com/armadillojoe/PNGPuzzle
[INFO] tweaked toml for git repo https://github.com/armadillojoe/PNGPuzzle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/armadillojoe/PNGPuzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daac3999fcc8ae30367dda4fca59ecab515587be7bd73d50ac0f908c240c2f46
[INFO] running `Command { std: "docker" "start" "-a" "daac3999fcc8ae30367dda4fca59ecab515587be7bd73d50ac0f908c240c2f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daac3999fcc8ae30367dda4fca59ecab515587be7bd73d50ac0f908c240c2f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daac3999fcc8ae30367dda4fca59ecab515587be7bd73d50ac0f908c240c2f46", kill_on_drop: false }`
[INFO] [stdout] daac3999fcc8ae30367dda4fca59ecab515587be7bd73d50ac0f908c240c2f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4a93828a874d1245c6d7e35121e0dab2f03a45057360fd92fe930814ef025f
[INFO] running `Command { std: "docker" "start" "-a" "ed4a93828a874d1245c6d7e35121e0dab2f03a45057360fd92fe930814ef025f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling crc v1.3.0
[INFO] [stderr]    Compiling pngpuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "ed4a93828a874d1245c6d7e35121e0dab2f03a45057360fd92fe930814ef025f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4a93828a874d1245c6d7e35121e0dab2f03a45057360fd92fe930814ef025f", kill_on_drop: false }`
[INFO] [stdout] ed4a93828a874d1245c6d7e35121e0dab2f03a45057360fd92fe930814ef025f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c7034cacb68b2b7448d67accc532b549000ac72dc4319d3b217f26bb9d9556
[INFO] running `Command { std: "docker" "start" "-a" "c1c7034cacb68b2b7448d67accc532b549000ac72dc4319d3b217f26bb9d9556", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngpuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "c1c7034cacb68b2b7448d67accc532b549000ac72dc4319d3b217f26bb9d9556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c7034cacb68b2b7448d67accc532b549000ac72dc4319d3b217f26bb9d9556", kill_on_drop: false }`
[INFO] [stdout] c1c7034cacb68b2b7448d67accc532b549000ac72dc4319d3b217f26bb9d9556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62493e889bcf6e48a7c56196807f69063a029e29154502de96a462bc0d8798d6
[INFO] running `Command { std: "docker" "start" "-a" "62493e889bcf6e48a7c56196807f69063a029e29154502de96a462bc0d8798d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pngpuzzle-d7ba366974959512)
[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" "62493e889bcf6e48a7c56196807f69063a029e29154502de96a462bc0d8798d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62493e889bcf6e48a7c56196807f69063a029e29154502de96a462bc0d8798d6", kill_on_drop: false }`
[INFO] [stdout] 62493e889bcf6e48a7c56196807f69063a029e29154502de96a462bc0d8798d6