[INFO] fetching crate futures-enum 0.1.17...
[INFO] documenting futures-enum-0.1.17 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate futures-enum 0.1.17 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate futures-enum 0.1.17 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 futures-enum 0.1.17
[INFO] finished tweaking crates.io crate futures-enum 0.1.17
[INFO] tweaked toml for crates.io crate futures-enum 0.1.17 written to /workspace/builds/worker-27/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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 7a350fdcb3b60b25aed489ecfc3875a0847f3ff2e68be073a9c742885da63435
[INFO] running `Command { std: "docker" "start" "-a" "7a350fdcb3b60b25aed489ecfc3875a0847f3ff2e68be073a9c742885da63435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a350fdcb3b60b25aed489ecfc3875a0847f3ff2e68be073a9c742885da63435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a350fdcb3b60b25aed489ecfc3875a0847f3ff2e68be073a9c742885da63435", kill_on_drop: false }`
[INFO] [stdout] 7a350fdcb3b60b25aed489ecfc3875a0847f3ff2e68be073a9c742885da63435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0f8faac29f184f3f24fd213b4f33c6810716234e7707b16c584f1831486daf36
[INFO] running `Command { std: "docker" "start" "-a" "0f8faac29f184f3f24fd213b4f33c6810716234e7707b16c584f1831486daf36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking derive_utils v0.11.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking find-crate v0.6.3
[INFO] [stderr]  Documenting futures-enum v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "0f8faac29f184f3f24fd213b4f33c6810716234e7707b16c584f1831486daf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8faac29f184f3f24fd213b4f33c6810716234e7707b16c584f1831486daf36", kill_on_drop: false }`
[INFO] [stdout] 0f8faac29f184f3f24fd213b4f33c6810716234e7707b16c584f1831486daf36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 8df64f33aeffcd9ddbd92682b6f227a3cccdfd68c433c1152dc1b9743d6bfb87
[INFO] running `Command { std: "docker" "start" "-a" "8df64f33aeffcd9ddbd92682b6f227a3cccdfd68c433c1152dc1b9743d6bfb87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking derive_utils v0.11.2
[INFO] [stderr]     Checking find-crate v0.6.3
[INFO] [stderr]  Documenting futures-enum v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "8df64f33aeffcd9ddbd92682b6f227a3cccdfd68c433c1152dc1b9743d6bfb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df64f33aeffcd9ddbd92682b6f227a3cccdfd68c433c1152dc1b9743d6bfb87", kill_on_drop: false }`
[INFO] [stdout] 8df64f33aeffcd9ddbd92682b6f227a3cccdfd68c433c1152dc1b9743d6bfb87