[INFO] fetching crate rowan 0.10.0...
[INFO] checking rowan-0.10.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate rowan 0.10.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rowan 0.10.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rowan 0.10.0
[INFO] finished tweaking crates.io crate rowan 0.10.0
[INFO] tweaked toml for crates.io crate rowan 0.10.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rowan 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0d8bc4eae3c5a30b3e32c1ce5263c0476b5b1a5b5d3a1ba402b44ab8262ece
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff0d8bc4eae3c5a30b3e32c1ce5263c0476b5b1a5b5d3a1ba402b44ab8262ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0d8bc4eae3c5a30b3e32c1ce5263c0476b5b1a5b5d3a1ba402b44ab8262ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0d8bc4eae3c5a30b3e32c1ce5263c0476b5b1a5b5d3a1ba402b44ab8262ece", kill_on_drop: false }`
[INFO] [stdout] ff0d8bc4eae3c5a30b3e32c1ce5263c0476b5b1a5b5d3a1ba402b44ab8262ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce5d1c3926974b0326e2c7308dc6e492349a6a5085df3c00ce33f4d6cae1836
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fce5d1c3926974b0326e2c7308dc6e492349a6a5085df3c00ce33f4d6cae1836", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smol_str v0.1.15
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rowan v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "fce5d1c3926974b0326e2c7308dc6e492349a6a5085df3c00ce33f4d6cae1836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce5d1c3926974b0326e2c7308dc6e492349a6a5085df3c00ce33f4d6cae1836", kill_on_drop: false }`
[INFO] [stdout] fce5d1c3926974b0326e2c7308dc6e492349a6a5085df3c00ce33f4d6cae1836