[INFO] fetching crate spanr 0.1.0...
[INFO] documenting spanr-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate spanr 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate spanr 0.1.0 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 spanr 0.1.0
[INFO] finished tweaking crates.io crate spanr 0.1.0
[INFO] tweaked toml for crates.io crate spanr 0.1.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e49f9af3d2db9057827f9b9d8b47ae29c370c78a8fc315d949105d21da197e76
[INFO] running `Command { std: "docker" "start" "-a" "e49f9af3d2db9057827f9b9d8b47ae29c370c78a8fc315d949105d21da197e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e49f9af3d2db9057827f9b9d8b47ae29c370c78a8fc315d949105d21da197e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49f9af3d2db9057827f9b9d8b47ae29c370c78a8fc315d949105d21da197e76", kill_on_drop: false }`
[INFO] [stdout] e49f9af3d2db9057827f9b9d8b47ae29c370c78a8fc315d949105d21da197e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] deb8069727c9404fbfa7f27eabf7c2f0fc44a52af31509afda3cedc6c9002ad7
[INFO] running `Command { std: "docker" "start" "-a" "deb8069727c9404fbfa7f27eabf7c2f0fc44a52af31509afda3cedc6c9002ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]  Documenting spanr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "deb8069727c9404fbfa7f27eabf7c2f0fc44a52af31509afda3cedc6c9002ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb8069727c9404fbfa7f27eabf7c2f0fc44a52af31509afda3cedc6c9002ad7", kill_on_drop: false }`
[INFO] [stdout] deb8069727c9404fbfa7f27eabf7c2f0fc44a52af31509afda3cedc6c9002ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustflags=[\"--cfg\", \"procmacro2_semver_exempt\"]" "--frozen" "--message-format=json" "--" "--cfg" "procmacro2_semver_exempt" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 21cf0998493b71d1cf9f25d0aa1ff43796515d5857a63209b14e1d90f92fcada
[INFO] running `Command { std: "docker" "start" "-a" "21cf0998493b71d1cf9f25d0aa1ff43796515d5857a63209b14e1d90f92fcada", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]  Documenting spanr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "21cf0998493b71d1cf9f25d0aa1ff43796515d5857a63209b14e1d90f92fcada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cf0998493b71d1cf9f25d0aa1ff43796515d5857a63209b14e1d90f92fcada", kill_on_drop: false }`
[INFO] [stdout] 21cf0998493b71d1cf9f25d0aa1ff43796515d5857a63209b14e1d90f92fcada