[INFO] fetching crate matrixstack 0.1.4...
[INFO] documenting matrixstack-0.1.4 against 1.68.0 for beta-1.69-rustdoc-1.2
[INFO] extracting crate matrixstack 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate matrixstack 0.1.4 on toolchain 1.68.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.68.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixstack 0.1.4
[INFO] finished tweaking crates.io crate matrixstack 0.1.4
[INFO] tweaked toml for crates.io crate matrixstack 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.68.0" "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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.68.0" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d312e2116a5bc43a57c45c5bf8f1a0f7a57054910b28f569115882b9b6a6878e
[INFO] running `Command { std: "docker" "start" "-a" "d312e2116a5bc43a57c45c5bf8f1a0f7a57054910b28f569115882b9b6a6878e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d312e2116a5bc43a57c45c5bf8f1a0f7a57054910b28f569115882b9b6a6878e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d312e2116a5bc43a57c45c5bf8f1a0f7a57054910b28f569115882b9b6a6878e", kill_on_drop: false }`
[INFO] [stdout] d312e2116a5bc43a57c45c5bf8f1a0f7a57054910b28f569115882b9b6a6878e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e4db382ce491449baea4e9de6c036f1508c47f4f74a6a5fe3b85abe27e72cc
[INFO] running `Command { std: "docker" "start" "-a" "77e4db382ce491449baea4e9de6c036f1508c47f4f74a6a5fe3b85abe27e72cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cgmath v0.10.0
[INFO] [stderr]  Documenting matrixstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cgmath v0.10.0, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "77e4db382ce491449baea4e9de6c036f1508c47f4f74a6a5fe3b85abe27e72cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e4db382ce491449baea4e9de6c036f1508c47f4f74a6a5fe3b85abe27e72cc", kill_on_drop: false }`
[INFO] [stdout] 77e4db382ce491449baea4e9de6c036f1508c47f4f74a6a5fe3b85abe27e72cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e084c219fe51dd1521a66e32d3fb24d0e7a512c93533630aeac97b08e83c905e
[INFO] running `Command { std: "docker" "start" "-a" "e084c219fe51dd1521a66e32d3fb24d0e7a512c93533630aeac97b08e83c905e", kill_on_drop: false }`
[INFO] [stderr]  Documenting matrixstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cgmath v0.10.0, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "e084c219fe51dd1521a66e32d3fb24d0e7a512c93533630aeac97b08e83c905e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e084c219fe51dd1521a66e32d3fb24d0e7a512c93533630aeac97b08e83c905e", kill_on_drop: false }`
[INFO] [stdout] e084c219fe51dd1521a66e32d3fb24d0e7a512c93533630aeac97b08e83c905e