[INFO] fetching crate linear_solver 0.2.2...
[INFO] documenting linear_solver-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate linear_solver 0.2.2 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate linear_solver 0.2.2 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 linear_solver 0.2.2
[INFO] finished tweaking crates.io crate linear_solver 0.2.2
[INFO] tweaked toml for crates.io crate linear_solver 0.2.2 written to /workspace/builds/worker-34/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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 782c115764787d81f2eede820292147bed0b66989747f5f223d434fc94de511e
[INFO] running `Command { std: "docker" "start" "-a" "782c115764787d81f2eede820292147bed0b66989747f5f223d434fc94de511e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "782c115764787d81f2eede820292147bed0b66989747f5f223d434fc94de511e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782c115764787d81f2eede820292147bed0b66989747f5f223d434fc94de511e", kill_on_drop: false }`
[INFO] [stdout] 782c115764787d81f2eede820292147bed0b66989747f5f223d434fc94de511e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] e6f733ff3ef99b32567edc1f9632bbedc2b4c9f49042e6f82e27e42e77597426
[INFO] running `Command { std: "docker" "start" "-a" "e6f733ff3ef99b32567edc1f9632bbedc2b4c9f49042e6f82e27e42e77597426", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]  Documenting linear_solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "e6f733ff3ef99b32567edc1f9632bbedc2b4c9f49042e6f82e27e42e77597426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f733ff3ef99b32567edc1f9632bbedc2b4c9f49042e6f82e27e42e77597426", kill_on_drop: false }`
[INFO] [stdout] e6f733ff3ef99b32567edc1f9632bbedc2b4c9f49042e6f82e27e42e77597426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 1c2d998f3b27715cc16e454edc59dabf442ba833d91b3edf32619979c813a00f
[INFO] running `Command { std: "docker" "start" "-a" "1c2d998f3b27715cc16e454edc59dabf442ba833d91b3edf32619979c813a00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]  Documenting linear_solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "1c2d998f3b27715cc16e454edc59dabf442ba833d91b3edf32619979c813a00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2d998f3b27715cc16e454edc59dabf442ba833d91b3edf32619979c813a00f", kill_on_drop: false }`
[INFO] [stdout] 1c2d998f3b27715cc16e454edc59dabf442ba833d91b3edf32619979c813a00f