[INFO] cloning repository https://github.com/copumpkin/rustnapshotter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/copumpkin/rustnapshotter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopumpkin%2Frustnapshotter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopumpkin%2Frustnapshotter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a1d0f5ef94cec679c4235eef0d08584875bb787
[INFO] checking copumpkin/rustnapshotter against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopumpkin%2Frustnapshotter" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/copumpkin/rustnapshotter on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/copumpkin/rustnapshotter
[INFO] finished tweaking git repo https://github.com/copumpkin/rustnapshotter
[INFO] tweaked toml for git repo https://github.com/copumpkin/rustnapshotter written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/copumpkin/rustnapshotter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded json v0.11.13
[INFO] [stderr]   Downloaded h2 v0.1.16
[INFO] [stderr]   Downloaded crossbeam v0.6.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.36.0
[INFO] [stderr]   Downloaded tokio-sync v0.1.1
[INFO] [stderr]   Downloaded tokio v0.1.15
[INFO] [stderr]   Downloaded rusoto_core v0.36.0
[INFO] [stderr]   Downloaded hyper v0.12.24
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded rusoto_sts v0.36.0
[INFO] [stderr]   Downloaded http v0.1.15
[INFO] [stderr]   Downloaded serde_derive v1.0.88
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] [stderr]   Downloaded rusoto_credential v0.15.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded rusoto_iam v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ef68b16b16e62f96055e90bed5ffea5bcee13b465415b1012115749f6d6874a
[INFO] running `Command { std: "docker" "start" "-a" "9ef68b16b16e62f96055e90bed5ffea5bcee13b465415b1012115749f6d6874a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ef68b16b16e62f96055e90bed5ffea5bcee13b465415b1012115749f6d6874a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef68b16b16e62f96055e90bed5ffea5bcee13b465415b1012115749f6d6874a", kill_on_drop: false }`
[INFO] [stdout] 9ef68b16b16e62f96055e90bed5ffea5bcee13b465415b1012115749f6d6874a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3909bbebbab67b1c31e26655d5a7295f73fd1b46db560d296822e498e61ddc79
[INFO] running `Command { std: "docker" "start" "-a" "3909bbebbab67b1c31e26655d5a7295f73fd1b46db560d296822e498e61ddc79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3909bbebbab67b1c31e26655d5a7295f73fd1b46db560d296822e498e61ddc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3909bbebbab67b1c31e26655d5a7295f73fd1b46db560d296822e498e61ddc79", kill_on_drop: false }`
[INFO] [stdout] 3909bbebbab67b1c31e26655d5a7295f73fd1b46db560d296822e498e61ddc79