[INFO] fetching crate medley-network 0.0.0...
[INFO] checking medley-network-0.0.0 against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] extracting crate medley-network 0.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate medley-network 0.0.0 on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medley-network 0.0.0
[INFO] finished tweaking crates.io crate medley-network 0.0.0
[INFO] tweaked toml for crates.io crate medley-network 0.0.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e44a1ab10cec3e3b363678a9c2325b70e822409fc350f16b302f7f53ace12793
[INFO] running `Command { std: "docker" "start" "-a" "e44a1ab10cec3e3b363678a9c2325b70e822409fc350f16b302f7f53ace12793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44a1ab10cec3e3b363678a9c2325b70e822409fc350f16b302f7f53ace12793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44a1ab10cec3e3b363678a9c2325b70e822409fc350f16b302f7f53ace12793", kill_on_drop: false }`
[INFO] [stdout] e44a1ab10cec3e3b363678a9c2325b70e822409fc350f16b302f7f53ace12793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6fce74920e5abd581f4667ce96d5bf40891b36b41dc1fb5f3bcd5622d68a2e
[INFO] running `Command { std: "docker" "start" "-a" "7c6fce74920e5abd581f4667ce96d5bf40891b36b41dc1fb5f3bcd5622d68a2e", kill_on_drop: false }`
[INFO] [stderr]     Checking medley-network v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7c6fce74920e5abd581f4667ce96d5bf40891b36b41dc1fb5f3bcd5622d68a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6fce74920e5abd581f4667ce96d5bf40891b36b41dc1fb5f3bcd5622d68a2e", kill_on_drop: false }`
[INFO] [stdout] 7c6fce74920e5abd581f4667ce96d5bf40891b36b41dc1fb5f3bcd5622d68a2e