[INFO] fetching crate graviton_core 0.6.0...
[INFO] building graviton_core-0.6.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate graviton_core 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate graviton_core 0.6.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graviton_core 0.6.0
[INFO] finished tweaking crates.io crate graviton_core 0.6.0
[INFO] tweaked toml for crates.io crate graviton_core 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89e84f4afbcde99d504e737eea8af866df375960cd9b7f9a66cd4d6b3ca961db
[INFO] running `Command { std: "docker" "start" "-a" "89e84f4afbcde99d504e737eea8af866df375960cd9b7f9a66cd4d6b3ca961db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e84f4afbcde99d504e737eea8af866df375960cd9b7f9a66cd4d6b3ca961db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e84f4afbcde99d504e737eea8af866df375960cd9b7f9a66cd4d6b3ca961db", kill_on_drop: false }`
[INFO] [stdout] 89e84f4afbcde99d504e737eea8af866df375960cd9b7f9a66cd4d6b3ca961db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe89dbab87412729ef7fa86b3fb0ea3bc854e60ff7665805ce3d93f9acea47e8
[INFO] running `Command { std: "docker" "start" "-a" "fe89dbab87412729ef7fa86b3fb0ea3bc854e60ff7665805ce3d93f9acea47e8", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fe89dbab87412729ef7fa86b3fb0ea3bc854e60ff7665805ce3d93f9acea47e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe89dbab87412729ef7fa86b3fb0ea3bc854e60ff7665805ce3d93f9acea47e8", kill_on_drop: false }`
[INFO] [stdout] fe89dbab87412729ef7fa86b3fb0ea3bc854e60ff7665805ce3d93f9acea47e8