[INFO] fetching crate rowan 0.13.0-pre.8...
[INFO] checking rowan-0.13.0-pre.8 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rowan 0.13.0-pre.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rowan 0.13.0-pre.8 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rowan 0.13.0-pre.8
[INFO] finished tweaking crates.io crate rowan 0.13.0-pre.8
[INFO] tweaked toml for crates.io crate rowan 0.13.0-pre.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rowan 0.13.0-pre.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2720857fa51f02f4fd7433b8380f42638d1806e506dd2bf864fd6980ad77022a
[INFO] running `Command { std: "docker" "start" "-a" "2720857fa51f02f4fd7433b8380f42638d1806e506dd2bf864fd6980ad77022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2720857fa51f02f4fd7433b8380f42638d1806e506dd2bf864fd6980ad77022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2720857fa51f02f4fd7433b8380f42638d1806e506dd2bf864fd6980ad77022a", kill_on_drop: false }`
[INFO] [stdout] 2720857fa51f02f4fd7433b8380f42638d1806e506dd2bf864fd6980ad77022a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25598fe178bd4322322ec6cc9dd12a42ccad0d2b4bb28e358be82d12184a7b2
[INFO] running `Command { std: "docker" "start" "-a" "b25598fe178bd4322322ec6cc9dd12a42ccad0d2b4bb28e358be82d12184a7b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Checking rowan v0.13.0-pre.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "b25598fe178bd4322322ec6cc9dd12a42ccad0d2b4bb28e358be82d12184a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25598fe178bd4322322ec6cc9dd12a42ccad0d2b4bb28e358be82d12184a7b2", kill_on_drop: false }`
[INFO] [stdout] b25598fe178bd4322322ec6cc9dd12a42ccad0d2b4bb28e358be82d12184a7b2