[INFO] fetching crate num_reader 0.1.2...
[INFO] documenting num_reader-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate num_reader 0.1.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate num_reader 0.1.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num_reader 0.1.2
[INFO] finished tweaking crates.io crate num_reader 0.1.2
[INFO] tweaked toml for crates.io crate num_reader 0.1.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c39ff357959aa03a474cc83d11b582ffd988fb6b5c6821be1f85c9f0f14cd3d
[INFO] running `Command { std: "docker" "start" "-a" "2c39ff357959aa03a474cc83d11b582ffd988fb6b5c6821be1f85c9f0f14cd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c39ff357959aa03a474cc83d11b582ffd988fb6b5c6821be1f85c9f0f14cd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c39ff357959aa03a474cc83d11b582ffd988fb6b5c6821be1f85c9f0f14cd3d", kill_on_drop: false }`
[INFO] [stdout] 2c39ff357959aa03a474cc83d11b582ffd988fb6b5c6821be1f85c9f0f14cd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d40eea49d2e442ba380079616a5ff973cfa9a96f3eb9a41b1481570f8137e2
[INFO] running `Command { std: "docker" "start" "-a" "20d40eea49d2e442ba380079616a5ff973cfa9a96f3eb9a41b1481570f8137e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]  Documenting num_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "20d40eea49d2e442ba380079616a5ff973cfa9a96f3eb9a41b1481570f8137e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d40eea49d2e442ba380079616a5ff973cfa9a96f3eb9a41b1481570f8137e2", kill_on_drop: false }`
[INFO] [stdout] 20d40eea49d2e442ba380079616a5ff973cfa9a96f3eb9a41b1481570f8137e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a7b9b2f39983fb14dc6a6817d86a0d7364a781990d545fd1d0bc5e4c62c3839d
[INFO] running `Command { std: "docker" "start" "-a" "a7b9b2f39983fb14dc6a6817d86a0d7364a781990d545fd1d0bc5e4c62c3839d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]  Documenting num_reader v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "a7b9b2f39983fb14dc6a6817d86a0d7364a781990d545fd1d0bc5e4c62c3839d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b9b2f39983fb14dc6a6817d86a0d7364a781990d545fd1d0bc5e4c62c3839d", kill_on_drop: false }`
[INFO] [stdout] a7b9b2f39983fb14dc6a6817d86a0d7364a781990d545fd1d0bc5e4c62c3839d