[INFO] fetching crate servos 0.0.5...
[INFO] checking servos-0.0.5 against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] extracting crate servos 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate servos 0.0.5 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 servos 0.0.5
[INFO] finished tweaking crates.io crate servos 0.0.5
[INFO] tweaked toml for crates.io crate servos 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate servos 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c994f461989068eb106cb8e5819e1c713cd99a8b734e3ca63943d4a95bd18837
[INFO] running `Command { std: "docker" "start" "-a" "c994f461989068eb106cb8e5819e1c713cd99a8b734e3ca63943d4a95bd18837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c994f461989068eb106cb8e5819e1c713cd99a8b734e3ca63943d4a95bd18837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c994f461989068eb106cb8e5819e1c713cd99a8b734e3ca63943d4a95bd18837", kill_on_drop: false }`
[INFO] [stdout] c994f461989068eb106cb8e5819e1c713cd99a8b734e3ca63943d4a95bd18837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7fab748c10adbbd9d7b72f9738932bb2e8888c911743e8d3ec29430356d4483b
[INFO] running `Command { std: "docker" "start" "-a" "7fab748c10adbbd9d7b72f9738932bb2e8888c911743e8d3ec29430356d4483b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking servos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "7fab748c10adbbd9d7b72f9738932bb2e8888c911743e8d3ec29430356d4483b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fab748c10adbbd9d7b72f9738932bb2e8888c911743e8d3ec29430356d4483b", kill_on_drop: false }`
[INFO] [stdout] 7fab748c10adbbd9d7b72f9738932bb2e8888c911743e8d3ec29430356d4483b