[INFO] fetching crate b2sum-rust 0.3.0...
[INFO] documenting b2sum-rust-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate b2sum-rust 0.3.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate b2sum-rust 0.3.0 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 b2sum-rust 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate b2sum-rust 0.3.0
[INFO] tweaked toml for crates.io crate b2sum-rust 0.3.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate b2sum-rust 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 05fb6fbff8494625063164a98a631347a8fc5b5831174145ad0e36860fccb90e
[INFO] running `Command { std: "docker" "start" "-a" "05fb6fbff8494625063164a98a631347a8fc5b5831174145ad0e36860fccb90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fb6fbff8494625063164a98a631347a8fc5b5831174145ad0e36860fccb90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb6fbff8494625063164a98a631347a8fc5b5831174145ad0e36860fccb90e", kill_on_drop: false }`
[INFO] [stdout] 05fb6fbff8494625063164a98a631347a8fc5b5831174145ad0e36860fccb90e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] d49f3e280593600a43bde3689cfe36261325579eb7c08f856ed33ee4466b342d
[INFO] running `Command { std: "docker" "start" "-a" "d49f3e280593600a43bde3689cfe36261325579eb7c08f856ed33ee4466b342d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking filebuffer v0.4.0
[INFO] [stderr]  Documenting b2sum-rust v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "d49f3e280593600a43bde3689cfe36261325579eb7c08f856ed33ee4466b342d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49f3e280593600a43bde3689cfe36261325579eb7c08f856ed33ee4466b342d", kill_on_drop: false }`
[INFO] [stdout] d49f3e280593600a43bde3689cfe36261325579eb7c08f856ed33ee4466b342d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] a9b22c5cd0f30a8497153c10dcbb30dae0507228bec5540b6e097ecd41523ad4
[INFO] running `Command { std: "docker" "start" "-a" "a9b22c5cd0f30a8497153c10dcbb30dae0507228bec5540b6e097ecd41523ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking filebuffer v0.4.0
[INFO] [stderr]  Documenting b2sum-rust v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "a9b22c5cd0f30a8497153c10dcbb30dae0507228bec5540b6e097ecd41523ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b22c5cd0f30a8497153c10dcbb30dae0507228bec5540b6e097ecd41523ad4", kill_on_drop: false }`
[INFO] [stdout] a9b22c5cd0f30a8497153c10dcbb30dae0507228bec5540b6e097ecd41523ad4