[INFO] cloning repository https://github.com/argvk/rust-rocks-serf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/argvk/rust-rocks-serf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargvk%2Frust-rocks-serf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargvk%2Frust-rocks-serf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0827d8da03eb7d925f0f6f6e546e56cd38bcb88d
[INFO] testing argvk/rust-rocks-serf against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargvk%2Frust-rocks-serf" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/argvk/rust-rocks-serf on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/argvk/rust-rocks-serf
[INFO] finished tweaking git repo https://github.com/argvk/rust-rocks-serf
[INFO] tweaked toml for git repo https://github.com/argvk/rust-rocks-serf written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/argvk/rust-rocks-serf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded gcc v0.3.38
[INFO] [stderr]   Downloaded num_cpus v1.1.0
[INFO] [stderr]   Downloaded rayon v0.4.3
[INFO] [stderr]   Downloaded mpack v0.1.2
[INFO] [stderr]   Downloaded rocksdb v0.5.0
[INFO] [stderr]   Downloaded librocksdb-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6310b8346265d19e97a0ac7753ad5e92626463544c5fd59133566e913a92a3ce
[INFO] running `Command { std: "docker" "start" "-a" "6310b8346265d19e97a0ac7753ad5e92626463544c5fd59133566e913a92a3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6310b8346265d19e97a0ac7753ad5e92626463544c5fd59133566e913a92a3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6310b8346265d19e97a0ac7753ad5e92626463544c5fd59133566e913a92a3ce", kill_on_drop: false }`
[INFO] [stdout] 6310b8346265d19e97a0ac7753ad5e92626463544c5fd59133566e913a92a3ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d83e91e707e3c0bc72380247e69f1cfdf8f53622b57f3353e86f68235f4722
[INFO] running `Command { std: "docker" "start" "-a" "a9d83e91e707e3c0bc72380247e69f1cfdf8f53622b57f3353e86f68235f4722", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling mpack v0.1.2
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.4.3
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling librocksdb-sys v0.4.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a9d83e91e707e3c0bc72380247e69f1cfdf8f53622b57f3353e86f68235f4722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d83e91e707e3c0bc72380247e69f1cfdf8f53622b57f3353e86f68235f4722", kill_on_drop: false }`
[INFO] [stdout] a9d83e91e707e3c0bc72380247e69f1cfdf8f53622b57f3353e86f68235f4722