[INFO] fetching crate cargo-version 0.1.2...
[INFO] documenting cargo-version-0.1.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-version 0.1.2 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate cargo-version 0.1.2 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 cargo-version 0.1.2
[INFO] finished tweaking crates.io crate cargo-version 0.1.2
[INFO] tweaked toml for crates.io crate cargo-version 0.1.2 written to /workspace/builds/worker-49/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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 087c42b0aadd8da724c0b3d58e296e5d6f2f14c823b0f17f89427748b98c2b4d
[INFO] running `Command { std: "docker" "start" "-a" "087c42b0aadd8da724c0b3d58e296e5d6f2f14c823b0f17f89427748b98c2b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087c42b0aadd8da724c0b3d58e296e5d6f2f14c823b0f17f89427748b98c2b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087c42b0aadd8da724c0b3d58e296e5d6f2f14c823b0f17f89427748b98c2b4d", kill_on_drop: false }`
[INFO] [stdout] 087c42b0aadd8da724c0b3d58e296e5d6f2f14c823b0f17f89427748b98c2b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 279e4f38b64342205c08fefb6391f2ec5d0b479b327e449189d5a555cf4f5a0b
[INFO] running `Command { std: "docker" "start" "-a" "279e4f38b64342205c08fefb6391f2ec5d0b479b327e449189d5a555cf4f5a0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]  Documenting cargo-version v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "279e4f38b64342205c08fefb6391f2ec5d0b479b327e449189d5a555cf4f5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279e4f38b64342205c08fefb6391f2ec5d0b479b327e449189d5a555cf4f5a0b", kill_on_drop: false }`
[INFO] [stdout] 279e4f38b64342205c08fefb6391f2ec5d0b479b327e449189d5a555cf4f5a0b
