[INFO] fetching crate read_input 0.8.6...
[INFO] documenting read_input-0.8.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate read_input 0.8.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate read_input 0.8.6 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 read_input 0.8.6
[INFO] finished tweaking crates.io crate read_input 0.8.6
[INFO] tweaked toml for crates.io crate read_input 0.8.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate read_input 0.8.6 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 947ba0d6139609c72246fd7a63583fef6d5c4cca8d8f2f49a270e61f676c8618
[INFO] running `Command { std: "docker" "start" "-a" "947ba0d6139609c72246fd7a63583fef6d5c4cca8d8f2f49a270e61f676c8618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "947ba0d6139609c72246fd7a63583fef6d5c4cca8d8f2f49a270e61f676c8618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947ba0d6139609c72246fd7a63583fef6d5c4cca8d8f2f49a270e61f676c8618", kill_on_drop: false }`
[INFO] [stdout] 947ba0d6139609c72246fd7a63583fef6d5c4cca8d8f2f49a270e61f676c8618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ced255a2a0f361c2e44b5add0ffb5450a6b4e0a0dc5d67717f02465710a747f1
[INFO] running `Command { std: "docker" "start" "-a" "ced255a2a0f361c2e44b5add0ffb5450a6b4e0a0dc5d67717f02465710a747f1", kill_on_drop: false }`
[INFO] [stderr]  Documenting read_input v0.8.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "ced255a2a0f361c2e44b5add0ffb5450a6b4e0a0dc5d67717f02465710a747f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced255a2a0f361c2e44b5add0ffb5450a6b4e0a0dc5d67717f02465710a747f1", kill_on_drop: false }`
[INFO] [stdout] ced255a2a0f361c2e44b5add0ffb5450a6b4e0a0dc5d67717f02465710a747f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 62fdd41732dece0754abe2f5f34fc6b83ec3ea1466a4073b04110ea0f08cd9a6
[INFO] running `Command { std: "docker" "start" "-a" "62fdd41732dece0754abe2f5f34fc6b83ec3ea1466a4073b04110ea0f08cd9a6", kill_on_drop: false }`
[INFO] [stderr]  Documenting read_input v0.8.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "62fdd41732dece0754abe2f5f34fc6b83ec3ea1466a4073b04110ea0f08cd9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fdd41732dece0754abe2f5f34fc6b83ec3ea1466a4073b04110ea0f08cd9a6", kill_on_drop: false }`
[INFO] [stdout] 62fdd41732dece0754abe2f5f34fc6b83ec3ea1466a4073b04110ea0f08cd9a6