[INFO] fetching crate cramjam 2.3.1...
[INFO] documenting cramjam-2.3.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cramjam 2.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cramjam 2.3.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate cramjam 2.3.1
[INFO] finished tweaking crates.io crate cramjam 2.3.1
[INFO] tweaked toml for crates.io crate cramjam 2.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.1+zstd.1.4.9` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf11329308893e3a432409a661adf202eaa18d7a181cf0bd9e758b5b3f52d16
[INFO] running `Command { std: "docker" "start" "-a" "3bf11329308893e3a432409a661adf202eaa18d7a181cf0bd9e758b5b3f52d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf11329308893e3a432409a661adf202eaa18d7a181cf0bd9e758b5b3f52d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf11329308893e3a432409a661adf202eaa18d7a181cf0bd9e758b5b3f52d16", kill_on_drop: false }`
[INFO] [stdout] 3bf11329308893e3a432409a661adf202eaa18d7a181cf0bd9e758b5b3f52d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a3529728256c3959fcec16490c7b51a94548959cd8510ebaf811d6ec230099
[INFO] running `Command { std: "docker" "start" "-a" "74a3529728256c3959fcec16490c7b51a94548959cd8510ebaf811d6ec230099", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.1+zstd.1.4.9` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking numpy v0.13.2
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]  Documenting cramjam v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.66s
[INFO] running `Command { std: "docker" "inspect" "74a3529728256c3959fcec16490c7b51a94548959cd8510ebaf811d6ec230099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a3529728256c3959fcec16490c7b51a94548959cd8510ebaf811d6ec230099", kill_on_drop: false }`
[INFO] [stdout] 74a3529728256c3959fcec16490c7b51a94548959cd8510ebaf811d6ec230099
