[INFO] cloning repository https://github.com/xiaanyin/mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaanyin/mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaanyin%2Fmnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaanyin%2Fmnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9275c45efac197365e61b0c7b49c2a09790690e2
[INFO] testing xiaanyin/mnist against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaanyin%2Fmnist" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaanyin/mnist 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/xiaanyin/mnist
[INFO] finished tweaking git repo https://github.com/xiaanyin/mnist
[INFO] tweaked toml for git repo https://github.com/xiaanyin/mnist written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaanyin/mnist 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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 2526c544aaa6e5a0a576869762b6e2ec18f2c2480b4efdd22e2fa84921d98236
[INFO] running `Command { std: "docker" "start" "-a" "2526c544aaa6e5a0a576869762b6e2ec18f2c2480b4efdd22e2fa84921d98236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2526c544aaa6e5a0a576869762b6e2ec18f2c2480b4efdd22e2fa84921d98236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2526c544aaa6e5a0a576869762b6e2ec18f2c2480b4efdd22e2fa84921d98236", kill_on_drop: false }`
[INFO] [stdout] 2526c544aaa6e5a0a576869762b6e2ec18f2c2480b4efdd22e2fa84921d98236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 48afaac7a854881da2a666336537e4cfd2f45c1a755da267752ea96c9a3c3bff
[INFO] running `Command { std: "docker" "start" "-a" "48afaac7a854881da2a666336537e4cfd2f45c1a755da267752ea96c9a3c3bff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mnist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "48afaac7a854881da2a666336537e4cfd2f45c1a755da267752ea96c9a3c3bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48afaac7a854881da2a666336537e4cfd2f45c1a755da267752ea96c9a3c3bff", kill_on_drop: false }`
[INFO] [stdout] 48afaac7a854881da2a666336537e4cfd2f45c1a755da267752ea96c9a3c3bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 05cdddf5f5fa5ef7542b840375f3b3a1e78550403620f42ed839e8a9d3b23097
[INFO] running `Command { std: "docker" "start" "-a" "05cdddf5f5fa5ef7542b840375f3b3a1e78550403620f42ed839e8a9d3b23097", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "05cdddf5f5fa5ef7542b840375f3b3a1e78550403620f42ed839e8a9d3b23097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cdddf5f5fa5ef7542b840375f3b3a1e78550403620f42ed839e8a9d3b23097", kill_on_drop: false }`
[INFO] [stdout] 05cdddf5f5fa5ef7542b840375f3b3a1e78550403620f42ed839e8a9d3b23097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 78e8ec81d8c112ffe5443abaa2695ed0091d6aab2228db6d8f56ea6bf2fdb6d8
[INFO] running `Command { std: "docker" "start" "-a" "78e8ec81d8c112ffe5443abaa2695ed0091d6aab2228db6d8f56ea6bf2fdb6d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mnist-f83e5c5354739470)
[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" "78e8ec81d8c112ffe5443abaa2695ed0091d6aab2228db6d8f56ea6bf2fdb6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e8ec81d8c112ffe5443abaa2695ed0091d6aab2228db6d8f56ea6bf2fdb6d8", kill_on_drop: false }`
[INFO] [stdout] 78e8ec81d8c112ffe5443abaa2695ed0091d6aab2228db6d8f56ea6bf2fdb6d8