[INFO] fetching crate flatdata 0.5.3...
[INFO] documenting flatdata-0.5.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate flatdata 0.5.3 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate flatdata 0.5.3 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 flatdata 0.5.3
[INFO] finished tweaking crates.io crate flatdata 0.5.3
[INFO] tweaked toml for crates.io crate flatdata 0.5.3 written to /workspace/builds/worker-88/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 64f56bd2de15e4c126c517e96e6636859363b072764516628bd385ff3ed88090
[INFO] running `Command { std: "docker" "start" "-a" "64f56bd2de15e4c126c517e96e6636859363b072764516628bd385ff3ed88090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f56bd2de15e4c126c517e96e6636859363b072764516628bd385ff3ed88090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f56bd2de15e4c126c517e96e6636859363b072764516628bd385ff3ed88090", kill_on_drop: false }`
[INFO] [stdout] 64f56bd2de15e4c126c517e96e6636859363b072764516628bd385ff3ed88090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 11378acc35b1dc837d120fc14ed20035f9447ced2e3cbdb80238c98c3ef2a3b2
[INFO] running `Command { std: "docker" "start" "-a" "11378acc35b1dc837d120fc14ed20035f9447ced2e3cbdb80238c98c3ef2a3b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]  Documenting flatdata v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "11378acc35b1dc837d120fc14ed20035f9447ced2e3cbdb80238c98c3ef2a3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11378acc35b1dc837d120fc14ed20035f9447ced2e3cbdb80238c98c3ef2a3b2", kill_on_drop: false }`
[INFO] [stdout] 11378acc35b1dc837d120fc14ed20035f9447ced2e3cbdb80238c98c3ef2a3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e2bc060297860e8a06c47e7f695901994779ed22c501ecab3e6a086338bdd39e
[INFO] running `Command { std: "docker" "start" "-a" "e2bc060297860e8a06c47e7f695901994779ed22c501ecab3e6a086338bdd39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]  Documenting flatdata v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "e2bc060297860e8a06c47e7f695901994779ed22c501ecab3e6a086338bdd39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bc060297860e8a06c47e7f695901994779ed22c501ecab3e6a086338bdd39e", kill_on_drop: false }`
[INFO] [stdout] e2bc060297860e8a06c47e7f695901994779ed22c501ecab3e6a086338bdd39e