[INFO] fetching crate warm-fs 0.2.0...
[INFO] documenting warm-fs-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate warm-fs 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate warm-fs 0.2.0 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 warm-fs 0.2.0
[INFO] finished tweaking crates.io crate warm-fs 0.2.0
[INFO] tweaked toml for crates.io crate warm-fs 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate warm-fs 0.2.0 already has a lockfile, it will not be regenerated
[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-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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b66f01dbc26e64307a54fdbe8bc955b205b34a076e4e9e4d8cb42ee4d8cfc4a
[INFO] running `Command { std: "docker" "start" "-a" "3b66f01dbc26e64307a54fdbe8bc955b205b34a076e4e9e4d8cb42ee4d8cfc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b66f01dbc26e64307a54fdbe8bc955b205b34a076e4e9e4d8cb42ee4d8cfc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b66f01dbc26e64307a54fdbe8bc955b205b34a076e4e9e4d8cb42ee4d8cfc4a", kill_on_drop: false }`
[INFO] [stdout] 3b66f01dbc26e64307a54fdbe8bc955b205b34a076e4e9e4d8cb42ee4d8cfc4a
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ae5d953eb14852493e541df3253e2e856c68b2dd49715d6e42a2e18b181848
[INFO] running `Command { std: "docker" "start" "-a" "39ae5d953eb14852493e541df3253e2e856c68b2dd49715d6e42a2e18b181848", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]  Documenting warm-fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "39ae5d953eb14852493e541df3253e2e856c68b2dd49715d6e42a2e18b181848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ae5d953eb14852493e541df3253e2e856c68b2dd49715d6e42a2e18b181848", kill_on_drop: false }`
[INFO] [stdout] 39ae5d953eb14852493e541df3253e2e856c68b2dd49715d6e42a2e18b181848
[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" "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] 01c787a8280b1d5c3e4564759f3af93389c04580059fcab64b5fe7d81afadb16
[INFO] running `Command { std: "docker" "start" "-a" "01c787a8280b1d5c3e4564759f3af93389c04580059fcab64b5fe7d81afadb16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]  Documenting warm-fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "01c787a8280b1d5c3e4564759f3af93389c04580059fcab64b5fe7d81afadb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c787a8280b1d5c3e4564759f3af93389c04580059fcab64b5fe7d81afadb16", kill_on_drop: false }`
[INFO] [stdout] 01c787a8280b1d5c3e4564759f3af93389c04580059fcab64b5fe7d81afadb16