[INFO] cloning repository https://github.com/realaravinth/cache-buster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realaravinth/cache-buster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fcache-buster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fcache-buster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ca4545722fb99be30698a5e72c7d982a70fa11f
[INFO] documenting realaravinth/cache-buster against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fcache-buster" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realaravinth/cache-buster 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/realaravinth/cache-buster
[INFO] finished tweaking git repo https://github.com/realaravinth/cache-buster
[INFO] tweaked toml for git repo https://github.com/realaravinth/cache-buster written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/realaravinth/cache-buster 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 rust-embed-impl v6.2.0
[INFO] [stderr]   Downloaded derive_builder_core v0.11.2
[INFO] [stderr]   Downloaded darling_macro v0.14.1
[INFO] [stderr]   Downloaded derive_builder_macro v0.11.2
[INFO] [stderr]   Downloaded darling_core v0.14.1
[INFO] [stderr]   Downloaded local-channel v0.1.3
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded darling v0.14.1
[INFO] [stderr]   Downloaded rust-embed v6.4.0
[INFO] [stderr]   Downloaded rust-embed-utils v7.2.0
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 4a51463b11bd72185f3e177ad7965fa9bb7a066264706f734fc2bf81d8292ff6
[INFO] running `Command { std: "docker" "start" "-a" "4a51463b11bd72185f3e177ad7965fa9bb7a066264706f734fc2bf81d8292ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a51463b11bd72185f3e177ad7965fa9bb7a066264706f734fc2bf81d8292ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a51463b11bd72185f3e177ad7965fa9bb7a066264706f734fc2bf81d8292ff6", kill_on_drop: false }`
[INFO] [stdout] 4a51463b11bd72185f3e177ad7965fa9bb7a066264706f734fc2bf81d8292ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 11acd7ee0724896a2c861b681a13080551d3e151a5175d0a8bf5790864c2b9ba
[INFO] running `Command { std: "docker" "start" "-a" "11acd7ee0724896a2c861b681a13080551d3e151a5175d0a8bf5790864c2b9ba", 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" "11acd7ee0724896a2c861b681a13080551d3e151a5175d0a8bf5790864c2b9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11acd7ee0724896a2c861b681a13080551d3e151a5175d0a8bf5790864c2b9ba", kill_on_drop: false }`
[INFO] [stdout] 11acd7ee0724896a2c861b681a13080551d3e151a5175d0a8bf5790864c2b9ba