[INFO] fetching crate alt_cargo_metadata 0.9.1...
[INFO] documenting alt_cargo_metadata-0.9.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate alt_cargo_metadata 0.9.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate alt_cargo_metadata 0.9.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_cargo_metadata 0.9.1
[INFO] finished tweaking crates.io crate alt_cargo_metadata 0.9.1
[INFO] tweaked toml for crates.io crate alt_cargo_metadata 0.9.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alt_serde_json v1.0.61
[INFO] [stderr]   Downloaded alt_semver v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd62111065557c61bc677b7ec1cde4c25b535d87f84a60752ac8b8e758336acf
[INFO] running `Command { std: "docker" "start" "-a" "dd62111065557c61bc677b7ec1cde4c25b535d87f84a60752ac8b8e758336acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd62111065557c61bc677b7ec1cde4c25b535d87f84a60752ac8b8e758336acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd62111065557c61bc677b7ec1cde4c25b535d87f84a60752ac8b8e758336acf", kill_on_drop: false }`
[INFO] [stdout] dd62111065557c61bc677b7ec1cde4c25b535d87f84a60752ac8b8e758336acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383249d214d994ac1e5de035672a15a0e20d330a034ae2d8eaafdce9730b25e0
[INFO] running `Command { std: "docker" "start" "-a" "383249d214d994ac1e5de035672a15a0e20d330a034ae2d8eaafdce9730b25e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling alt_serde v1.0.119
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]    Compiling alt_serde_json v1.0.61
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking alt_semver v0.9.0
[INFO] [stderr]  Documenting alt_cargo_metadata v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "383249d214d994ac1e5de035672a15a0e20d330a034ae2d8eaafdce9730b25e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383249d214d994ac1e5de035672a15a0e20d330a034ae2d8eaafdce9730b25e0", kill_on_drop: false }`
[INFO] [stdout] 383249d214d994ac1e5de035672a15a0e20d330a034ae2d8eaafdce9730b25e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9122c0c8ff4e323b25f3c86cce4544ae4de8277db97b0d7a6e76ff6b8b20c5ae
[INFO] running `Command { std: "docker" "start" "-a" "9122c0c8ff4e323b25f3c86cce4544ae4de8277db97b0d7a6e76ff6b8b20c5ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling alt_serde v1.0.119
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]    Compiling alt_serde_json v1.0.61
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking alt_semver v0.9.0
[INFO] [stderr]  Documenting alt_cargo_metadata v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "9122c0c8ff4e323b25f3c86cce4544ae4de8277db97b0d7a6e76ff6b8b20c5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9122c0c8ff4e323b25f3c86cce4544ae4de8277db97b0d7a6e76ff6b8b20c5ae", kill_on_drop: false }`
[INFO] [stdout] 9122c0c8ff4e323b25f3c86cce4544ae4de8277db97b0d7a6e76ff6b8b20c5ae