[INFO] cloning repository https://github.com/kunalb/blitzen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunalb/blitzen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2Fblitzen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2Fblitzen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5110c66bd193de53f93f6d245fddb4ad2e7cb9a
[INFO] documenting kunalb/blitzen against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2Fblitzen" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunalb/blitzen on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunalb/blitzen
[INFO] finished tweaking git repo https://github.com/kunalb/blitzen
[INFO] tweaked toml for git repo https://github.com/kunalb/blitzen written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/kunalb/blitzen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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 publicsuffix v1.5.4
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded tendril v0.4.1
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded html2md v0.2.10
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded ureq v1.5.2
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded ring v0.16.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fdd69dbc781134874a4aed98ae2a45ab61cd7330c57fdc24b0ab997e1bc8c30
[INFO] running `Command { std: "docker" "start" "-a" "6fdd69dbc781134874a4aed98ae2a45ab61cd7330c57fdc24b0ab997e1bc8c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fdd69dbc781134874a4aed98ae2a45ab61cd7330c57fdc24b0ab997e1bc8c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fdd69dbc781134874a4aed98ae2a45ab61cd7330c57fdc24b0ab997e1bc8c30", kill_on_drop: false }`
[INFO] [stdout] 6fdd69dbc781134874a4aed98ae2a45ab61cd7330c57fdc24b0ab997e1bc8c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40daa8cc6e5540f7d3f17bdc9eff78abc70a6e7caac633dd4225067ed9c484ec
[INFO] running `Command { std: "docker" "start" "-a" "40daa8cc6e5540f7d3f17bdc9eff78abc70a6e7caac633dd4225067ed9c484ec", 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" "40daa8cc6e5540f7d3f17bdc9eff78abc70a6e7caac633dd4225067ed9c484ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40daa8cc6e5540f7d3f17bdc9eff78abc70a6e7caac633dd4225067ed9c484ec", kill_on_drop: false }`
[INFO] [stdout] 40daa8cc6e5540f7d3f17bdc9eff78abc70a6e7caac633dd4225067ed9c484ec