[INFO] fetching crate checked_cast 0.0.3...
[INFO] documenting checked_cast-0.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate checked_cast 0.0.3 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate checked_cast 0.0.3 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 checked_cast 0.0.3
[INFO] finished tweaking crates.io crate checked_cast 0.0.3
[INFO] tweaked toml for crates.io crate checked_cast 0.0.3 written to /workspace/builds/worker-50/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] [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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 42d9c0132742759c4c3a7c0fd8f06872ea6e9f41671b1c2c2823a32bfd751fd8
[INFO] running `Command { std: "docker" "start" "-a" "42d9c0132742759c4c3a7c0fd8f06872ea6e9f41671b1c2c2823a32bfd751fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d9c0132742759c4c3a7c0fd8f06872ea6e9f41671b1c2c2823a32bfd751fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d9c0132742759c4c3a7c0fd8f06872ea6e9f41671b1c2c2823a32bfd751fd8", kill_on_drop: false }`
[INFO] [stdout] 42d9c0132742759c4c3a7c0fd8f06872ea6e9f41671b1c2c2823a32bfd751fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 6b9f00f0cfe589f327ab79261f26436f83a721e6f6977d579f7de278de9c3a17
[INFO] running `Command { std: "docker" "start" "-a" "6b9f00f0cfe589f327ab79261f26436f83a721e6f6977d579f7de278de9c3a17", kill_on_drop: false }`
[INFO] [stderr]  Documenting checked_cast v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "6b9f00f0cfe589f327ab79261f26436f83a721e6f6977d579f7de278de9c3a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9f00f0cfe589f327ab79261f26436f83a721e6f6977d579f7de278de9c3a17", kill_on_drop: false }`
[INFO] [stdout] 6b9f00f0cfe589f327ab79261f26436f83a721e6f6977d579f7de278de9c3a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 848036a81d4891b09dc4d1dc24a0086f4e5b6ec119083091b28af7e81e6caded
[INFO] running `Command { std: "docker" "start" "-a" "848036a81d4891b09dc4d1dc24a0086f4e5b6ec119083091b28af7e81e6caded", kill_on_drop: false }`
[INFO] [stderr]  Documenting checked_cast v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "848036a81d4891b09dc4d1dc24a0086f4e5b6ec119083091b28af7e81e6caded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848036a81d4891b09dc4d1dc24a0086f4e5b6ec119083091b28af7e81e6caded", kill_on_drop: false }`
[INFO] [stdout] 848036a81d4891b09dc4d1dc24a0086f4e5b6ec119083091b28af7e81e6caded