[INFO] fetching crate type-variance 0.1.0...
[INFO] documenting type-variance-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate type-variance 0.1.0 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 type-variance 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate type-variance 0.1.0
[INFO] tweaked toml for crates.io crate type-variance 0.1.0 written to /workspace/builds/worker-15/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d927d40b4027b1820cacacf8f890def5818b8a6af6b50f42124ec649736166a8
[INFO] running `Command { std: "docker" "start" "-a" "d927d40b4027b1820cacacf8f890def5818b8a6af6b50f42124ec649736166a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d927d40b4027b1820cacacf8f890def5818b8a6af6b50f42124ec649736166a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d927d40b4027b1820cacacf8f890def5818b8a6af6b50f42124ec649736166a8", kill_on_drop: false }`
[INFO] [stdout] d927d40b4027b1820cacacf8f890def5818b8a6af6b50f42124ec649736166a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 5db28566b189ebfce580a064996086f6dd5d607e01f8e0a9b1fa75e874aef4ed
[INFO] running `Command { std: "docker" "start" "-a" "5db28566b189ebfce580a064996086f6dd5d607e01f8e0a9b1fa75e874aef4ed", kill_on_drop: false }`
[INFO] [stderr]  Documenting type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "5db28566b189ebfce580a064996086f6dd5d607e01f8e0a9b1fa75e874aef4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db28566b189ebfce580a064996086f6dd5d607e01f8e0a9b1fa75e874aef4ed", kill_on_drop: false }`
[INFO] [stdout] 5db28566b189ebfce580a064996086f6dd5d607e01f8e0a9b1fa75e874aef4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8ebe2915d0a072432baddabd96bc5c0c3d25e9f599935ae5b32070bdb14bf180
[INFO] running `Command { std: "docker" "start" "-a" "8ebe2915d0a072432baddabd96bc5c0c3d25e9f599935ae5b32070bdb14bf180", kill_on_drop: false }`
[INFO] [stderr]  Documenting type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "8ebe2915d0a072432baddabd96bc5c0c3d25e9f599935ae5b32070bdb14bf180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebe2915d0a072432baddabd96bc5c0c3d25e9f599935ae5b32070bdb14bf180", kill_on_drop: false }`
[INFO] [stdout] 8ebe2915d0a072432baddabd96bc5c0c3d25e9f599935ae5b32070bdb14bf180