[INFO] fetching crate guessing_game_test_123 0.1.0...
[INFO] documenting guessing_game_test_123-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate guessing_game_test_123 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate guessing_game_test_123 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 guessing_game_test_123 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_test_123 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_test_123 0.1.0 written to /workspace/builds/worker-74/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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 981cba402b48794e332382dc8a08ece9f3d94a229ec01d994b6b862ebae3f40e
[INFO] running `Command { std: "docker" "start" "-a" "981cba402b48794e332382dc8a08ece9f3d94a229ec01d994b6b862ebae3f40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981cba402b48794e332382dc8a08ece9f3d94a229ec01d994b6b862ebae3f40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981cba402b48794e332382dc8a08ece9f3d94a229ec01d994b6b862ebae3f40e", kill_on_drop: false }`
[INFO] [stdout] 981cba402b48794e332382dc8a08ece9f3d94a229ec01d994b6b862ebae3f40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] ddabd9e83f5cf1ba67ac780898b4d43bd763adb7e9476aea2e1234dd9872f6c7
[INFO] running `Command { std: "docker" "start" "-a" "ddabd9e83f5cf1ba67ac780898b4d43bd763adb7e9476aea2e1234dd9872f6c7", kill_on_drop: false }`
[INFO] [stderr]  Documenting guessing_game_test_123 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "ddabd9e83f5cf1ba67ac780898b4d43bd763adb7e9476aea2e1234dd9872f6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddabd9e83f5cf1ba67ac780898b4d43bd763adb7e9476aea2e1234dd9872f6c7", kill_on_drop: false }`
[INFO] [stdout] ddabd9e83f5cf1ba67ac780898b4d43bd763adb7e9476aea2e1234dd9872f6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 79295d5c510ef19ae0e43c132d3e75ba3685d191672c35894f2dec5c51cdc0d1
[INFO] running `Command { std: "docker" "start" "-a" "79295d5c510ef19ae0e43c132d3e75ba3685d191672c35894f2dec5c51cdc0d1", kill_on_drop: false }`
[INFO] [stderr]  Documenting guessing_game_test_123 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "79295d5c510ef19ae0e43c132d3e75ba3685d191672c35894f2dec5c51cdc0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79295d5c510ef19ae0e43c132d3e75ba3685d191672c35894f2dec5c51cdc0d1", kill_on_drop: false }`
[INFO] [stdout] 79295d5c510ef19ae0e43c132d3e75ba3685d191672c35894f2dec5c51cdc0d1