[INFO] cloning repository https://github.com/howeih/Day-33-Reservoir-sampling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-33-Reservoir-sampling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-33-Reservoir-sampling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-33-Reservoir-sampling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df8aff5b02fb3fc163b35974ec4dd335a1c806f5
[INFO] checking howeih/Day-33-Reservoir-sampling against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-33-Reservoir-sampling" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-33-Reservoir-sampling on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-33-Reservoir-sampling
[INFO] finished tweaking git repo https://github.com/howeih/Day-33-Reservoir-sampling
[INFO] tweaked toml for git repo https://github.com/howeih/Day-33-Reservoir-sampling written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-33-Reservoir-sampling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af2b314c4b9a3669dfb90c52d7fb6453357e6e776070d6a72efe7b75040259c
[INFO] running `Command { std: "docker" "start" "-a" "0af2b314c4b9a3669dfb90c52d7fb6453357e6e776070d6a72efe7b75040259c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af2b314c4b9a3669dfb90c52d7fb6453357e6e776070d6a72efe7b75040259c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af2b314c4b9a3669dfb90c52d7fb6453357e6e776070d6a72efe7b75040259c", kill_on_drop: false }`
[INFO] [stdout] 0af2b314c4b9a3669dfb90c52d7fb6453357e6e776070d6a72efe7b75040259c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cb88efd9d1911847fc56f35a524c616bf32cd83e0d98db424b404423b26be1
[INFO] running `Command { std: "docker" "start" "-a" "06cb88efd9d1911847fc56f35a524c616bf32cd83e0d98db424b404423b26be1", 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" "06cb88efd9d1911847fc56f35a524c616bf32cd83e0d98db424b404423b26be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cb88efd9d1911847fc56f35a524c616bf32cd83e0d98db424b404423b26be1", kill_on_drop: false }`
[INFO] [stdout] 06cb88efd9d1911847fc56f35a524c616bf32cd83e0d98db424b404423b26be1