[INFO] fetching crate lcov-util 0.1.6...
[INFO] documenting lcov-util-0.1.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate lcov-util 0.1.6 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate lcov-util 0.1.6 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 lcov-util 0.1.6
[INFO] finished tweaking crates.io crate lcov-util 0.1.6
[INFO] tweaked toml for crates.io crate lcov-util 0.1.6 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate lcov-util 0.1.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] f63a03f1e6bf758316950866d697af2bd3fca052783070d883f87413da951e09
[INFO] running `Command { std: "docker" "start" "-a" "f63a03f1e6bf758316950866d697af2bd3fca052783070d883f87413da951e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f63a03f1e6bf758316950866d697af2bd3fca052783070d883f87413da951e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63a03f1e6bf758316950866d697af2bd3fca052783070d883f87413da951e09", kill_on_drop: false }`
[INFO] [stdout] f63a03f1e6bf758316950866d697af2bd3fca052783070d883f87413da951e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 96f44ea6d508544d75cd9bb71935c2d318b5e278ba28c6e22ad54e4187d7070b
[INFO] running `Command { std: "docker" "start" "-a" "96f44ea6d508544d75cd9bb71935c2d318b5e278ba28c6e22ad54e4187d7070b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking lcov v0.7.0
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]  Documenting lcov-util v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.81s
[INFO] running `Command { std: "docker" "inspect" "96f44ea6d508544d75cd9bb71935c2d318b5e278ba28c6e22ad54e4187d7070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f44ea6d508544d75cd9bb71935c2d318b5e278ba28c6e22ad54e4187d7070b", kill_on_drop: false }`
[INFO] [stdout] 96f44ea6d508544d75cd9bb71935c2d318b5e278ba28c6e22ad54e4187d7070b