[INFO] fetching crate ridgeline 0.2.0...
[INFO] documenting ridgeline-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ridgeline 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ridgeline 0.2.0 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 ridgeline 0.2.0
[INFO] finished tweaking crates.io crate ridgeline 0.2.0
[INFO] tweaked toml for crates.io crate ridgeline 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate ridgeline 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4fbcc44ac7cc7a47bbaa9c9ff834cbca24b973cea50360294c5a5503ad61e74a
[INFO] running `Command { std: "docker" "start" "-a" "4fbcc44ac7cc7a47bbaa9c9ff834cbca24b973cea50360294c5a5503ad61e74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fbcc44ac7cc7a47bbaa9c9ff834cbca24b973cea50360294c5a5503ad61e74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbcc44ac7cc7a47bbaa9c9ff834cbca24b973cea50360294c5a5503ad61e74a", kill_on_drop: false }`
[INFO] [stdout] 4fbcc44ac7cc7a47bbaa9c9ff834cbca24b973cea50360294c5a5503ad61e74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a1867bcf75258c7536697c3344d1e5fca3cd099675216414b726fb0ffb6a7e0e
[INFO] running `Command { std: "docker" "start" "-a" "a1867bcf75258c7536697c3344d1e5fca3cd099675216414b726fb0ffb6a7e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rustfft v6.0.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]  Documenting ridgeline v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `Command { std: "docker" "inspect" "a1867bcf75258c7536697c3344d1e5fca3cd099675216414b726fb0ffb6a7e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1867bcf75258c7536697c3344d1e5fca3cd099675216414b726fb0ffb6a7e0e", kill_on_drop: false }`
[INFO] [stdout] a1867bcf75258c7536697c3344d1e5fca3cd099675216414b726fb0ffb6a7e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a1fdd7df2bc6ff02aada363f99c530150a40597614f513e33e4c65a2e4b84952
[INFO] running `Command { std: "docker" "start" "-a" "a1fdd7df2bc6ff02aada363f99c530150a40597614f513e33e4c65a2e4b84952", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking rustfft v6.0.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]  Documenting ridgeline v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.36s
[INFO] running `Command { std: "docker" "inspect" "a1fdd7df2bc6ff02aada363f99c530150a40597614f513e33e4c65a2e4b84952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fdd7df2bc6ff02aada363f99c530150a40597614f513e33e4c65a2e4b84952", kill_on_drop: false }`
[INFO] [stdout] a1fdd7df2bc6ff02aada363f99c530150a40597614f513e33e4c65a2e4b84952