[INFO] fetching crate cxx-build 1.0.50...
[INFO] documenting cxx-build-1.0.50 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cxx-build 1.0.50 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate cxx-build 1.0.50 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 cxx-build 1.0.50
[INFO] finished tweaking crates.io crate cxx-build 1.0.50
[INFO] tweaked toml for crates.io crate cxx-build 1.0.50 written to /workspace/builds/worker-72/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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 2f26d519d51e16f34bbcf4cbe83fd052994c1c044aa1d110be5d43866c008db7
[INFO] running `Command { std: "docker" "start" "-a" "2f26d519d51e16f34bbcf4cbe83fd052994c1c044aa1d110be5d43866c008db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f26d519d51e16f34bbcf4cbe83fd052994c1c044aa1d110be5d43866c008db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f26d519d51e16f34bbcf4cbe83fd052994c1c044aa1d110be5d43866c008db7", kill_on_drop: false }`
[INFO] [stdout] 2f26d519d51e16f34bbcf4cbe83fd052994c1c044aa1d110be5d43866c008db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] d914933dfdee2470205b05e0ad0b0ac0ca279016ae0a09299c4cd84362f5544e
[INFO] running `Command { std: "docker" "start" "-a" "d914933dfdee2470205b05e0ad0b0ac0ca279016ae0a09299c4cd84362f5544e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking cc v1.0.69
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting cxx-build v1.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.82s
[INFO] running `Command { std: "docker" "inspect" "d914933dfdee2470205b05e0ad0b0ac0ca279016ae0a09299c4cd84362f5544e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d914933dfdee2470205b05e0ad0b0ac0ca279016ae0a09299c4cd84362f5544e", kill_on_drop: false }`
[INFO] [stdout] d914933dfdee2470205b05e0ad0b0ac0ca279016ae0a09299c4cd84362f5544e
