[INFO] fetching crate rowan 0.15.4...
[INFO] documenting rowan-0.15.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rowan 0.15.4 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rowan 0.15.4 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 rowan 0.15.4
[INFO] finished tweaking crates.io crate rowan 0.15.4
[INFO] tweaked toml for crates.io crate rowan 0.15.4 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate rowan 0.15.4 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 9f288ac6c11ff96bf2e997e727b3282b7928a53f3ec11b6f1885af16a2e7ce10
[INFO] running `Command { std: "docker" "start" "-a" "9f288ac6c11ff96bf2e997e727b3282b7928a53f3ec11b6f1885af16a2e7ce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f288ac6c11ff96bf2e997e727b3282b7928a53f3ec11b6f1885af16a2e7ce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f288ac6c11ff96bf2e997e727b3282b7928a53f3ec11b6f1885af16a2e7ce10", kill_on_drop: false }`
[INFO] [stdout] 9f288ac6c11ff96bf2e997e727b3282b7928a53f3ec11b6f1885af16a2e7ce10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 281cc844f96d069dcc474e24cd410497ac878832b114b5b6381e112dad23e839
[INFO] running `Command { std: "docker" "start" "-a" "281cc844f96d069dcc474e24cd410497ac878832b114b5b6381e112dad23e839", kill_on_drop: false }`
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking countme v3.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]  Documenting rowan v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "281cc844f96d069dcc474e24cd410497ac878832b114b5b6381e112dad23e839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281cc844f96d069dcc474e24cd410497ac878832b114b5b6381e112dad23e839", kill_on_drop: false }`
[INFO] [stdout] 281cc844f96d069dcc474e24cd410497ac878832b114b5b6381e112dad23e839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 37f215835d9728b2fe268d12836ea2f69e6e622be99a7970e98415ea87d57437
[INFO] running `Command { std: "docker" "start" "-a" "37f215835d9728b2fe268d12836ea2f69e6e622be99a7970e98415ea87d57437", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking countme v3.0.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]  Documenting rowan v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "37f215835d9728b2fe268d12836ea2f69e6e622be99a7970e98415ea87d57437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f215835d9728b2fe268d12836ea2f69e6e622be99a7970e98415ea87d57437", kill_on_drop: false }`
[INFO] [stdout] 37f215835d9728b2fe268d12836ea2f69e6e622be99a7970e98415ea87d57437