[INFO] fetching crate railroad_verification 0.1.0...
[INFO] documenting railroad_verification-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate railroad_verification 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate railroad_verification 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 railroad_verification 0.1.0
[INFO] finished tweaking crates.io crate railroad_verification 0.1.0
[INFO] tweaked toml for crates.io crate railroad_verification 0.1.0 written to /workspace/builds/worker-10/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] 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 45756dec211942b30f5a90dbcb627869e8a7b90b0130e67685b50e42967d29f6
[INFO] running `Command { std: "docker" "start" "-a" "45756dec211942b30f5a90dbcb627869e8a7b90b0130e67685b50e42967d29f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45756dec211942b30f5a90dbcb627869e8a7b90b0130e67685b50e42967d29f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45756dec211942b30f5a90dbcb627869e8a7b90b0130e67685b50e42967d29f6", kill_on_drop: false }`
[INFO] [stdout] 45756dec211942b30f5a90dbcb627869e8a7b90b0130e67685b50e42967d29f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c4c00bc4a717f63f500fd7c759d822641f5ab25d2b6661704688f735f8e5e591
[INFO] running `Command { std: "docker" "start" "-a" "c4c00bc4a717f63f500fd7c759d822641f5ab25d2b6661704688f735f8e5e591", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]  Documenting railroad_verification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "c4c00bc4a717f63f500fd7c759d822641f5ab25d2b6661704688f735f8e5e591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c00bc4a717f63f500fd7c759d822641f5ab25d2b6661704688f735f8e5e591", kill_on_drop: false }`
[INFO] [stdout] c4c00bc4a717f63f500fd7c759d822641f5ab25d2b6661704688f735f8e5e591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] af9b5bf8309d67c920694b848969c857d8827251bd86a46d6f5f45d413367545
[INFO] running `Command { std: "docker" "start" "-a" "af9b5bf8309d67c920694b848969c857d8827251bd86a46d6f5f45d413367545", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]  Documenting railroad_verification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "af9b5bf8309d67c920694b848969c857d8827251bd86a46d6f5f45d413367545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9b5bf8309d67c920694b848969c857d8827251bd86a46d6f5f45d413367545", kill_on_drop: false }`
[INFO] [stdout] af9b5bf8309d67c920694b848969c857d8827251bd86a46d6f5f45d413367545