[INFO] fetching crate cuckoo 0.8.0...
[INFO] documenting cuckoo-0.8.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cuckoo 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cuckoo 0.8.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuckoo 0.8.0
[INFO] finished tweaking crates.io crate cuckoo 0.8.0
[INFO] tweaked toml for crates.io crate cuckoo 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ea956d376d9f5a4ca405bfcca9296ee126ff8084f9aa42c033f1cfd3057356c
[INFO] running `Command { std: "docker" "start" "-a" "0ea956d376d9f5a4ca405bfcca9296ee126ff8084f9aa42c033f1cfd3057356c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea956d376d9f5a4ca405bfcca9296ee126ff8084f9aa42c033f1cfd3057356c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea956d376d9f5a4ca405bfcca9296ee126ff8084f9aa42c033f1cfd3057356c", kill_on_drop: false }`
[INFO] [stdout] 0ea956d376d9f5a4ca405bfcca9296ee126ff8084f9aa42c033f1cfd3057356c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b4f060d16d99563d9227faccf2d1e6377158f1875d846bda90515083be6189
[INFO] running `Command { std: "docker" "start" "-a" "d9b4f060d16d99563d9227faccf2d1e6377158f1875d846bda90515083be6189", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]  Documenting cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `Command { std: "docker" "inspect" "d9b4f060d16d99563d9227faccf2d1e6377158f1875d846bda90515083be6189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b4f060d16d99563d9227faccf2d1e6377158f1875d846bda90515083be6189", kill_on_drop: false }`
[INFO] [stdout] d9b4f060d16d99563d9227faccf2d1e6377158f1875d846bda90515083be6189
