[INFO] fetching crate safeflate 0.0.1...
[INFO] checking safeflate-0.0.1 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate safeflate 0.0.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate safeflate 0.0.1 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safeflate 0.0.1
[INFO] finished tweaking crates.io crate safeflate 0.0.1
[INFO] tweaked toml for crates.io crate safeflate 0.0.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ea5378d2263741ffe844f31f3d9a4da5ab94a7bb4570c28fbe187e0d1e86f9d
[INFO] running `Command { std: "docker" "start" "-a" "4ea5378d2263741ffe844f31f3d9a4da5ab94a7bb4570c28fbe187e0d1e86f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea5378d2263741ffe844f31f3d9a4da5ab94a7bb4570c28fbe187e0d1e86f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea5378d2263741ffe844f31f3d9a4da5ab94a7bb4570c28fbe187e0d1e86f9d", kill_on_drop: false }`
[INFO] [stdout] 4ea5378d2263741ffe844f31f3d9a4da5ab94a7bb4570c28fbe187e0d1e86f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3b93e7a2b0a331940864965f1489b603fff4e830a3283ecdd634c78112bae20
[INFO] running `Command { std: "docker" "start" "-a" "b3b93e7a2b0a331940864965f1489b603fff4e830a3283ecdd634c78112bae20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking safeflate v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b3b93e7a2b0a331940864965f1489b603fff4e830a3283ecdd634c78112bae20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b93e7a2b0a331940864965f1489b603fff4e830a3283ecdd634c78112bae20", kill_on_drop: false }`
[INFO] [stdout] b3b93e7a2b0a331940864965f1489b603fff4e830a3283ecdd634c78112bae20