[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 master#32c26302620b2dbbe0a2291f1969bc0b1622ae59 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Flinkcheck" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftilde/linkcheck on toolchain 32c26302620b2dbbe0a2291f1969bc0b1622ae59
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "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-17/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" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "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 plain v0.2.3
[INFO] [stderr]   Downloaded goblin v0.0.15
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded cpp_demangle v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff7f14101b005810ee0c1182e199fb870ff645fc7126e63b7bc6742516ec2b05
[INFO] running `Command { std: "docker" "start" "-a" "ff7f14101b005810ee0c1182e199fb870ff645fc7126e63b7bc6742516ec2b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7f14101b005810ee0c1182e199fb870ff645fc7126e63b7bc6742516ec2b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7f14101b005810ee0c1182e199fb870ff645fc7126e63b7bc6742516ec2b05", kill_on_drop: false }`
[INFO] [stdout] ff7f14101b005810ee0c1182e199fb870ff645fc7126e63b7bc6742516ec2b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6213599569eba8c736c1025e8e1ffb8d617fd3eb3954ca0b8b1fa664dc4120d
[INFO] running `Command { std: "docker" "start" "-a" "a6213599569eba8c736c1025e8e1ffb8d617fd3eb3954ca0b8b1fa664dc4120d", 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" "a6213599569eba8c736c1025e8e1ffb8d617fd3eb3954ca0b8b1fa664dc4120d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6213599569eba8c736c1025e8e1ffb8d617fd3eb3954ca0b8b1fa664dc4120d", kill_on_drop: false }`
[INFO] [stdout] a6213599569eba8c736c1025e8e1ffb8d617fd3eb3954ca0b8b1fa664dc4120d