[INFO] cloning repository https://github.com/JamesWelchman/mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesWelchman/mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWelchman%2Fmnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWelchman%2Fmnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f28b178965c61bc1f0f7691c2320af533b6f957
[INFO] testing JamesWelchman/mnist against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWelchman%2Fmnist" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesWelchman/mnist on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JamesWelchman/mnist
[INFO] finished tweaking git repo https://github.com/JamesWelchman/mnist
[INFO] tweaked toml for git repo https://github.com/JamesWelchman/mnist written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JamesWelchman/mnist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1467ec67f108cefd49387006e8fd09977481fb68bb72ccb3ebc57887944ec12b
[INFO] running `Command { std: "docker" "start" "-a" "1467ec67f108cefd49387006e8fd09977481fb68bb72ccb3ebc57887944ec12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1467ec67f108cefd49387006e8fd09977481fb68bb72ccb3ebc57887944ec12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1467ec67f108cefd49387006e8fd09977481fb68bb72ccb3ebc57887944ec12b", kill_on_drop: false }`
[INFO] [stdout] 1467ec67f108cefd49387006e8fd09977481fb68bb72ccb3ebc57887944ec12b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a396a4955af76d3b675f6f459cc0dcc37f8b3e51a5859c3a4a7f11a2e97f356
[INFO] running `Command { std: "docker" "start" "-a" "8a396a4955af76d3b675f6f459cc0dcc37f8b3e51a5859c3a4a7f11a2e97f356", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling mnistndarray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "8a396a4955af76d3b675f6f459cc0dcc37f8b3e51a5859c3a4a7f11a2e97f356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a396a4955af76d3b675f6f459cc0dcc37f8b3e51a5859c3a4a7f11a2e97f356", kill_on_drop: false }`
[INFO] [stdout] 8a396a4955af76d3b675f6f459cc0dcc37f8b3e51a5859c3a4a7f11a2e97f356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0bf4201d16881f0e5255aa9828d1ce06c7160281b3af6193dbfa19b17afeed
[INFO] running `Command { std: "docker" "start" "-a" "be0bf4201d16881f0e5255aa9828d1ce06c7160281b3af6193dbfa19b17afeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnistndarray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "be0bf4201d16881f0e5255aa9828d1ce06c7160281b3af6193dbfa19b17afeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0bf4201d16881f0e5255aa9828d1ce06c7160281b3af6193dbfa19b17afeed", kill_on_drop: false }`
[INFO] [stdout] be0bf4201d16881f0e5255aa9828d1ce06c7160281b3af6193dbfa19b17afeed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d611ab5c67ef8a917bf90a8d2931c42d1f83a8730a590f58a645b2ad3fc08660
[INFO] running `Command { std: "docker" "start" "-a" "d611ab5c67ef8a917bf90a8d2931c42d1f83a8730a590f58a645b2ad3fc08660", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mnistndarray-72a47e6851d54b87)
[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" "d611ab5c67ef8a917bf90a8d2931c42d1f83a8730a590f58a645b2ad3fc08660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d611ab5c67ef8a917bf90a8d2931c42d1f83a8730a590f58a645b2ad3fc08660", kill_on_drop: false }`
[INFO] [stdout] d611ab5c67ef8a917bf90a8d2931c42d1f83a8730a590f58a645b2ad3fc08660