[INFO] fetching crate music-theory-query 0.1.15...
[INFO] documenting music-theory-query-0.1.15 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate music-theory-query 0.1.15 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate music-theory-query 0.1.15 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 music-theory-query 0.1.15
[INFO] finished tweaking crates.io crate music-theory-query 0.1.15
[INFO] tweaked toml for crates.io crate music-theory-query 0.1.15 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate music-theory-query 0.1.15 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 48fb48e3bdb43087986239ff02453c8045f192b8ed3a61acd0077e28962734b1
[INFO] running `Command { std: "docker" "start" "-a" "48fb48e3bdb43087986239ff02453c8045f192b8ed3a61acd0077e28962734b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48fb48e3bdb43087986239ff02453c8045f192b8ed3a61acd0077e28962734b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fb48e3bdb43087986239ff02453c8045f192b8ed3a61acd0077e28962734b1", kill_on_drop: false }`
[INFO] [stdout] 48fb48e3bdb43087986239ff02453c8045f192b8ed3a61acd0077e28962734b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 3de38586bc356ceb791231eebb2a5b1ac9a86ccb0c54bf76e53b017ecda5034b
[INFO] running `Command { std: "docker" "start" "-a" "3de38586bc356ceb791231eebb2a5b1ac9a86ccb0c54bf76e53b017ecda5034b", kill_on_drop: false }`
[INFO] [stderr]     Checking fnrs v0.1.5
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]  Documenting music-theory-query v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking music-theory-query v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "3de38586bc356ceb791231eebb2a5b1ac9a86ccb0c54bf76e53b017ecda5034b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de38586bc356ceb791231eebb2a5b1ac9a86ccb0c54bf76e53b017ecda5034b", kill_on_drop: false }`
[INFO] [stdout] 3de38586bc356ceb791231eebb2a5b1ac9a86ccb0c54bf76e53b017ecda5034b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] c2d1497a94d918d9bf954089ddedadd2070201649cb8882d253f1ed7c05930bf
[INFO] running `Command { std: "docker" "start" "-a" "c2d1497a94d918d9bf954089ddedadd2070201649cb8882d253f1ed7c05930bf", kill_on_drop: false }`
[INFO] [stderr]     Checking fnrs v0.1.5
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]  Documenting music-theory-query v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "c2d1497a94d918d9bf954089ddedadd2070201649cb8882d253f1ed7c05930bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d1497a94d918d9bf954089ddedadd2070201649cb8882d253f1ed7c05930bf", kill_on_drop: false }`
[INFO] [stdout] c2d1497a94d918d9bf954089ddedadd2070201649cb8882d253f1ed7c05930bf