[INFO] fetching crate lodepng 3.6.1...
[INFO] documenting lodepng-3.6.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate lodepng 3.6.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate lodepng 3.6.1 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 lodepng 3.6.1
[INFO] finished tweaking crates.io crate lodepng 3.6.1
[INFO] tweaked toml for crates.io crate lodepng 3.6.1 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate lodepng 3.6.1 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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] a225199833174a9000d759ac4ffecc53bcd12b5321b2a626a26ef345baa2b960
[INFO] running `Command { std: "docker" "start" "-a" "a225199833174a9000d759ac4ffecc53bcd12b5321b2a626a26ef345baa2b960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a225199833174a9000d759ac4ffecc53bcd12b5321b2a626a26ef345baa2b960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a225199833174a9000d759ac4ffecc53bcd12b5321b2a626a26ef345baa2b960", kill_on_drop: false }`
[INFO] [stdout] a225199833174a9000d759ac4ffecc53bcd12b5321b2a626a26ef345baa2b960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] d8ddccda91461c97e8c1a8bb9e3ef43f9caba22b2bdc160baafa5cbcd1c130bc
[INFO] running `Command { std: "docker" "start" "-a" "d8ddccda91461c97e8c1a8bb9e3ef43f9caba22b2bdc160baafa5cbcd1c130bc", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking rgb v0.8.31
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking fallible_collections v0.4.4
[INFO] [stderr]  Documenting lodepng v3.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "d8ddccda91461c97e8c1a8bb9e3ef43f9caba22b2bdc160baafa5cbcd1c130bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ddccda91461c97e8c1a8bb9e3ef43f9caba22b2bdc160baafa5cbcd1c130bc", kill_on_drop: false }`
[INFO] [stdout] d8ddccda91461c97e8c1a8bb9e3ef43f9caba22b2bdc160baafa5cbcd1c130bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b495199f1c0b75ba03188d256fa43a2c2c63f96c96f07b97db2533afa2fc594b
[INFO] running `Command { std: "docker" "start" "-a" "b495199f1c0b75ba03188d256fa43a2c2c63f96c96f07b97db2533afa2fc594b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking rgb v0.8.31
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking fallible_collections v0.4.4
[INFO] [stderr]  Documenting lodepng v3.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "b495199f1c0b75ba03188d256fa43a2c2c63f96c96f07b97db2533afa2fc594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b495199f1c0b75ba03188d256fa43a2c2c63f96c96f07b97db2533afa2fc594b", kill_on_drop: false }`
[INFO] [stdout] b495199f1c0b75ba03188d256fa43a2c2c63f96c96f07b97db2533afa2fc594b