[INFO] fetching crate gap-buffer 0.1.0...
[INFO] documenting gap-buffer-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate gap-buffer 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate gap-buffer 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 gap-buffer 0.1.0
[INFO] finished tweaking crates.io crate gap-buffer 0.1.0
[INFO] tweaked toml for crates.io crate gap-buffer 0.1.0 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] 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-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] 4daf4dcfe77d5b0669c272ee42ed5a0066b6d205bf3c5bb1d4038bafbe7e64cd
[INFO] running `Command { std: "docker" "start" "-a" "4daf4dcfe77d5b0669c272ee42ed5a0066b6d205bf3c5bb1d4038bafbe7e64cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4daf4dcfe77d5b0669c272ee42ed5a0066b6d205bf3c5bb1d4038bafbe7e64cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daf4dcfe77d5b0669c272ee42ed5a0066b6d205bf3c5bb1d4038bafbe7e64cd", kill_on_drop: false }`
[INFO] [stdout] 4daf4dcfe77d5b0669c272ee42ed5a0066b6d205bf3c5bb1d4038bafbe7e64cd
[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] b81fb1508fe2e6d1b8e7ef6066a75abc8d64c84a4510987d6a53560b0be3fa42
[INFO] running `Command { std: "docker" "start" "-a" "b81fb1508fe2e6d1b8e7ef6066a75abc8d64c84a4510987d6a53560b0be3fa42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting gap-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "b81fb1508fe2e6d1b8e7ef6066a75abc8d64c84a4510987d6a53560b0be3fa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81fb1508fe2e6d1b8e7ef6066a75abc8d64c84a4510987d6a53560b0be3fa42", kill_on_drop: false }`
[INFO] [stdout] b81fb1508fe2e6d1b8e7ef6066a75abc8d64c84a4510987d6a53560b0be3fa42
[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" "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] fdba2666bdefe41ab3d6914dd6c31949d7ec15d03e8053494074b8e9bd92cb86
[INFO] running `Command { std: "docker" "start" "-a" "fdba2666bdefe41ab3d6914dd6c31949d7ec15d03e8053494074b8e9bd92cb86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting gap-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "fdba2666bdefe41ab3d6914dd6c31949d7ec15d03e8053494074b8e9bd92cb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdba2666bdefe41ab3d6914dd6c31949d7ec15d03e8053494074b8e9bd92cb86", kill_on_drop: false }`
[INFO] [stdout] fdba2666bdefe41ab3d6914dd6c31949d7ec15d03e8053494074b8e9bd92cb86