[INFO] fetching crate allocator-fallback 0.1.4...
[INFO] documenting allocator-fallback-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate allocator-fallback 0.1.4 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate allocator-fallback 0.1.4 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 allocator-fallback 0.1.4
[INFO] finished tweaking crates.io crate allocator-fallback 0.1.4
[INFO] tweaked toml for crates.io crate allocator-fallback 0.1.4 written to /workspace/builds/worker-52/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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] b23c632bb9c77f9fe181c6eaf51f6edf6b0bf4cce559b10713e4ecac853f5e4d
[INFO] running `Command { std: "docker" "start" "-a" "b23c632bb9c77f9fe181c6eaf51f6edf6b0bf4cce559b10713e4ecac853f5e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b23c632bb9c77f9fe181c6eaf51f6edf6b0bf4cce559b10713e4ecac853f5e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23c632bb9c77f9fe181c6eaf51f6edf6b0bf4cce559b10713e4ecac853f5e4d", kill_on_drop: false }`
[INFO] [stdout] b23c632bb9c77f9fe181c6eaf51f6edf6b0bf4cce559b10713e4ecac853f5e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 09f59bac4577cfa4832c51f55f411844ce52ba3762a0f917cfbf0ac94cc9f08c
[INFO] running `Command { std: "docker" "start" "-a" "09f59bac4577cfa4832c51f55f411844ce52ba3762a0f917cfbf0ac94cc9f08c", kill_on_drop: false }`
[INFO] [stderr]  Documenting allocator-fallback v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "09f59bac4577cfa4832c51f55f411844ce52ba3762a0f917cfbf0ac94cc9f08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f59bac4577cfa4832c51f55f411844ce52ba3762a0f917cfbf0ac94cc9f08c", kill_on_drop: false }`
[INFO] [stdout] 09f59bac4577cfa4832c51f55f411844ce52ba3762a0f917cfbf0ac94cc9f08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "--features" "doc_cfg" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2256cc3799e729d7c6225c5c7befed84bdaf0573042e76a9d0f4d967563cc541
[INFO] running `Command { std: "docker" "start" "-a" "2256cc3799e729d7c6225c5c7befed84bdaf0573042e76a9d0f4d967563cc541", kill_on_drop: false }`
[INFO] [stderr]  Documenting allocator-fallback v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2256cc3799e729d7c6225c5c7befed84bdaf0573042e76a9d0f4d967563cc541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2256cc3799e729d7c6225c5c7befed84bdaf0573042e76a9d0f4d967563cc541", kill_on_drop: false }`
[INFO] [stdout] 2256cc3799e729d7c6225c5c7befed84bdaf0573042e76a9d0f4d967563cc541