[INFO] fetching crate fcpv2 0.0.2...
[INFO] documenting fcpv2-0.0.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate fcpv2 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fcpv2 0.0.2 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 fcpv2 0.0.2
[INFO] finished tweaking crates.io crate fcpv2 0.0.2
[INFO] tweaked toml for crates.io crate fcpv2 0.0.2 written to /workspace/builds/worker-4/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] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 68d2de525a8ffa948e75d61de79458c6426944be2ee072f08c282c02093abf40
[INFO] running `Command { std: "docker" "start" "-a" "68d2de525a8ffa948e75d61de79458c6426944be2ee072f08c282c02093abf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d2de525a8ffa948e75d61de79458c6426944be2ee072f08c282c02093abf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d2de525a8ffa948e75d61de79458c6426944be2ee072f08c282c02093abf40", kill_on_drop: false }`
[INFO] [stdout] 68d2de525a8ffa948e75d61de79458c6426944be2ee072f08c282c02093abf40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d74243f60f8eba91deaf91fdffdb3d08a4ada63301bdafe7f85e78c4827fe90a
[INFO] running `Command { std: "docker" "start" "-a" "d74243f60f8eba91deaf91fdffdb3d08a4ada63301bdafe7f85e78c4827fe90a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting fcpv2 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "d74243f60f8eba91deaf91fdffdb3d08a4ada63301bdafe7f85e78c4827fe90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74243f60f8eba91deaf91fdffdb3d08a4ada63301bdafe7f85e78c4827fe90a", kill_on_drop: false }`
[INFO] [stdout] d74243f60f8eba91deaf91fdffdb3d08a4ada63301bdafe7f85e78c4827fe90a
