[INFO] fetching crate polytype 6.2.1...
[INFO] documenting polytype-6.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate polytype 6.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate polytype 6.2.1 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 polytype 6.2.1
[INFO] finished tweaking crates.io crate polytype 6.2.1
[INFO] tweaked toml for crates.io crate polytype 6.2.1 written to /workspace/builds/worker-20/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] a63a6cb931519f54a2e1a236fcc02db9477c1e6a37f0419b7781adcaa528f8e9
[INFO] running `Command { std: "docker" "start" "-a" "a63a6cb931519f54a2e1a236fcc02db9477c1e6a37f0419b7781adcaa528f8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63a6cb931519f54a2e1a236fcc02db9477c1e6a37f0419b7781adcaa528f8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63a6cb931519f54a2e1a236fcc02db9477c1e6a37f0419b7781adcaa528f8e9", kill_on_drop: false }`
[INFO] [stdout] a63a6cb931519f54a2e1a236fcc02db9477c1e6a37f0419b7781adcaa528f8e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] e3733665e3dfbc25273b21267c9a855725b167c7af07160085c826d930e0ac6c
[INFO] running `Command { std: "docker" "start" "-a" "e3733665e3dfbc25273b21267c9a855725b167c7af07160085c826d930e0ac6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]  Documenting polytype v6.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "e3733665e3dfbc25273b21267c9a855725b167c7af07160085c826d930e0ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3733665e3dfbc25273b21267c9a855725b167c7af07160085c826d930e0ac6c", kill_on_drop: false }`
[INFO] [stdout] e3733665e3dfbc25273b21267c9a855725b167c7af07160085c826d930e0ac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 86f207ff4484a59bb6cf154338e106bc8fd69c09dd2f12194bf6d3e7e7a92e1e
[INFO] running `Command { std: "docker" "start" "-a" "86f207ff4484a59bb6cf154338e106bc8fd69c09dd2f12194bf6d3e7e7a92e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]  Documenting polytype v6.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "86f207ff4484a59bb6cf154338e106bc8fd69c09dd2f12194bf6d3e7e7a92e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f207ff4484a59bb6cf154338e106bc8fd69c09dd2f12194bf6d3e7e7a92e1e", kill_on_drop: false }`
[INFO] [stdout] 86f207ff4484a59bb6cf154338e106bc8fd69c09dd2f12194bf6d3e7e7a92e1e