[INFO] fetching crate muon-rs 0.2.3...
[INFO] documenting muon-rs-0.2.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate muon-rs 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate muon-rs 0.2.3 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 muon-rs 0.2.3
[INFO] finished tweaking crates.io crate muon-rs 0.2.3
[INFO] tweaked toml for crates.io crate muon-rs 0.2.3 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7a53fd9ba88a3c6d2219c25c3c36b10b1da6a63484475d03f096f685b261569d
[INFO] running `Command { std: "docker" "start" "-a" "7a53fd9ba88a3c6d2219c25c3c36b10b1da6a63484475d03f096f685b261569d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a53fd9ba88a3c6d2219c25c3c36b10b1da6a63484475d03f096f685b261569d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a53fd9ba88a3c6d2219c25c3c36b10b1da6a63484475d03f096f685b261569d", kill_on_drop: false }`
[INFO] [stdout] 7a53fd9ba88a3c6d2219c25c3c36b10b1da6a63484475d03f096f685b261569d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 261ff0b81c6391f60ebe0d6192ede3f964d9c0ecf0af58a5e07108a9137f21ac
[INFO] running `Command { std: "docker" "start" "-a" "261ff0b81c6391f60ebe0d6192ede3f964d9c0ecf0af58a5e07108a9137f21ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting muon-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.75s
[INFO] running `Command { std: "docker" "inspect" "261ff0b81c6391f60ebe0d6192ede3f964d9c0ecf0af58a5e07108a9137f21ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261ff0b81c6391f60ebe0d6192ede3f964d9c0ecf0af58a5e07108a9137f21ac", kill_on_drop: false }`
[INFO] [stdout] 261ff0b81c6391f60ebe0d6192ede3f964d9c0ecf0af58a5e07108a9137f21ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e279e438d7c1ea4648889046abf659a6c2e3d7021968db05e3b7ce1f0fd8fbd9
[INFO] running `Command { std: "docker" "start" "-a" "e279e438d7c1ea4648889046abf659a6c2e3d7021968db05e3b7ce1f0fd8fbd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting muon-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "e279e438d7c1ea4648889046abf659a6c2e3d7021968db05e3b7ce1f0fd8fbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e279e438d7c1ea4648889046abf659a6c2e3d7021968db05e3b7ce1f0fd8fbd9", kill_on_drop: false }`
[INFO] [stdout] e279e438d7c1ea4648889046abf659a6c2e3d7021968db05e3b7ce1f0fd8fbd9