[INFO] cloning repository https://github.com/ftilde/linkcheck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftilde/linkcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Flinkcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Flinkcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24eafd4003a5349cdf8c01f9df52920641aa9114
[INFO] checking ftilde/linkcheck against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Flinkcheck" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  46% (14/30)
Updating files:  50% (15/30)
Updating files:  53% (16/30)
Updating files:  56% (17/30)
Updating files:  60% (18/30)
Updating files:  63% (19/30)
Updating files:  66% (20/30)
Updating files:  70% (21/30)
Updating files:  73% (22/30)
Updating files:  76% (23/30)
Updating files:  80% (24/30)
Updating files:  83% (25/30)
Updating files:  86% (26/30)
Updating files:  90% (27/30)
Updating files:  93% (28/30)
Updating files:  96% (29/30)
Updating files: 100% (30/30)
Updating files: 100% (30/30), done.
[INFO] validating manifest of git repo https://github.com/ftilde/linkcheck on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ftilde/linkcheck
[INFO] finished tweaking git repo https://github.com/ftilde/linkcheck
[INFO] tweaked toml for git repo https://github.com/ftilde/linkcheck written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/ftilde/linkcheck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded cpp_demangle v0.2.12
[INFO] [stderr]   Downloaded goblin v0.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d4a058ca2caa486ebf3fb220316f0f9c29fe77ee49a5ba91dc86c0527ffee91
[INFO] running `Command { std: "docker" "start" "-a" "1d4a058ca2caa486ebf3fb220316f0f9c29fe77ee49a5ba91dc86c0527ffee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d4a058ca2caa486ebf3fb220316f0f9c29fe77ee49a5ba91dc86c0527ffee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4a058ca2caa486ebf3fb220316f0f9c29fe77ee49a5ba91dc86c0527ffee91", kill_on_drop: false }`
[INFO] [stdout] 1d4a058ca2caa486ebf3fb220316f0f9c29fe77ee49a5ba91dc86c0527ffee91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8dcb0f986f620ed2ada7e3951d354d000f9dd44be42ce2a345b6f436532c7a
[INFO] running `Command { std: "docker" "start" "-a" "7b8dcb0f986f620ed2ada7e3951d354d000f9dd44be42ce2a345b6f436532c7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7b8dcb0f986f620ed2ada7e3951d354d000f9dd44be42ce2a345b6f436532c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8dcb0f986f620ed2ada7e3951d354d000f9dd44be42ce2a345b6f436532c7a", kill_on_drop: false }`
[INFO] [stdout] 7b8dcb0f986f620ed2ada7e3951d354d000f9dd44be42ce2a345b6f436532c7a