[INFO] fetching crate checked_cast 0.0.3...
[INFO] documenting checked_cast-0.0.3 against beta-2022-05-20 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 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 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" "+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] [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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da773ae910a9ca1dbb015c09704aa601ba85d62dc1727b7d83f88db67dafca72
[INFO] running `Command { std: "docker" "start" "-a" "da773ae910a9ca1dbb015c09704aa601ba85d62dc1727b7d83f88db67dafca72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da773ae910a9ca1dbb015c09704aa601ba85d62dc1727b7d83f88db67dafca72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da773ae910a9ca1dbb015c09704aa601ba85d62dc1727b7d83f88db67dafca72", kill_on_drop: false }`
[INFO] [stdout] da773ae910a9ca1dbb015c09704aa601ba85d62dc1727b7d83f88db67dafca72
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd293b8965b85f33fd0f7648fec2397258c10f4e89166881bda41c2757483e2d
[INFO] running `Command { std: "docker" "start" "-a" "fd293b8965b85f33fd0f7648fec2397258c10f4e89166881bda41c2757483e2d", 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 1.03s
[INFO] running `Command { std: "docker" "inspect" "fd293b8965b85f33fd0f7648fec2397258c10f4e89166881bda41c2757483e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd293b8965b85f33fd0f7648fec2397258c10f4e89166881bda41c2757483e2d", kill_on_drop: false }`
[INFO] [stdout] fd293b8965b85f33fd0f7648fec2397258c10f4e89166881bda41c2757483e2d
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c80299c965e06d96b1fa1dce6fed302afe6b6c2e3ac772e4ff5c91a2ba62385b
[INFO] running `Command { std: "docker" "start" "-a" "c80299c965e06d96b1fa1dce6fed302afe6b6c2e3ac772e4ff5c91a2ba62385b", 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 0.90s
[INFO] running `Command { std: "docker" "inspect" "c80299c965e06d96b1fa1dce6fed302afe6b6c2e3ac772e4ff5c91a2ba62385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80299c965e06d96b1fa1dce6fed302afe6b6c2e3ac772e4ff5c91a2ba62385b", kill_on_drop: false }`
[INFO] [stdout] c80299c965e06d96b1fa1dce6fed302afe6b6c2e3ac772e4ff5c91a2ba62385b