[INFO] fetching crate image-watcher 0.0.23...
[INFO] documenting image-watcher-0.0.23 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate image-watcher 0.0.23 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate image-watcher 0.0.23 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 image-watcher 0.0.23
[INFO] finished tweaking crates.io crate image-watcher 0.0.23
[INFO] tweaked toml for crates.io crate image-watcher 0.0.23 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 29a05901d87b1db977749e6c7235e5a81aebae3305f3fdf38dc7374af693bfc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29a05901d87b1db977749e6c7235e5a81aebae3305f3fdf38dc7374af693bfc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29a05901d87b1db977749e6c7235e5a81aebae3305f3fdf38dc7374af693bfc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a05901d87b1db977749e6c7235e5a81aebae3305f3fdf38dc7374af693bfc4", kill_on_drop: false }`
[INFO] [stdout] 29a05901d87b1db977749e6c7235e5a81aebae3305f3fdf38dc7374af693bfc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0f7c15df7abaf56b7036d31d4ea4e3993308cffe1ad7dcdf2d3ca45d25c9268d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f7c15df7abaf56b7036d31d4ea4e3993308cffe1ad7dcdf2d3ca45d25c9268d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking set-error v1.0.1
[INFO] [stderr]     Checking read_input v0.8.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking file-watcher v0.0.18
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]  Documenting image-watcher v0.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.69s
[INFO] running `Command { std: "docker" "inspect" "0f7c15df7abaf56b7036d31d4ea4e3993308cffe1ad7dcdf2d3ca45d25c9268d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7c15df7abaf56b7036d31d4ea4e3993308cffe1ad7dcdf2d3ca45d25c9268d", kill_on_drop: false }`
[INFO] [stdout] 0f7c15df7abaf56b7036d31d4ea4e3993308cffe1ad7dcdf2d3ca45d25c9268d