[INFO] fetching crate calculatrice_back 0.3.0...
[INFO] documenting calculatrice_back-0.3.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate calculatrice_back 0.3.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate calculatrice_back 0.3.0 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 calculatrice_back 0.3.0
[INFO] finished tweaking crates.io crate calculatrice_back 0.3.0
[INFO] tweaked toml for crates.io crate calculatrice_back 0.3.0 written to /workspace/builds/worker-25/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 2a120327cf1e0bce2370a2241c41ca60ee99e3a2185e249f9fea87139d47609e
[INFO] running `Command { std: "docker" "start" "-a" "2a120327cf1e0bce2370a2241c41ca60ee99e3a2185e249f9fea87139d47609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a120327cf1e0bce2370a2241c41ca60ee99e3a2185e249f9fea87139d47609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a120327cf1e0bce2370a2241c41ca60ee99e3a2185e249f9fea87139d47609e", kill_on_drop: false }`
[INFO] [stdout] 2a120327cf1e0bce2370a2241c41ca60ee99e3a2185e249f9fea87139d47609e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 6381c0bbc0e6543822fd7ba65f1ae7a52db0ca468d1c7e12f16e467528be5c24
[INFO] running `Command { std: "docker" "start" "-a" "6381c0bbc0e6543822fd7ba65f1ae7a52db0ca468d1c7e12f16e467528be5c24", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting calculatrice_back v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "6381c0bbc0e6543822fd7ba65f1ae7a52db0ca468d1c7e12f16e467528be5c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6381c0bbc0e6543822fd7ba65f1ae7a52db0ca468d1c7e12f16e467528be5c24", kill_on_drop: false }`
[INFO] [stdout] 6381c0bbc0e6543822fd7ba65f1ae7a52db0ca468d1c7e12f16e467528be5c24
