[INFO] cloning repository https://github.com/TimBush/Rust-Pixel-Diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimBush/Rust-Pixel-Diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimBush%2FRust-Pixel-Diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimBush%2FRust-Pixel-Diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25e32e7fb6aa74f936820922b4c903d3750bd26b
[INFO] documenting TimBush/Rust-Pixel-Diff against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimBush%2FRust-Pixel-Diff" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimBush/Rust-Pixel-Diff on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TimBush/Rust-Pixel-Diff
[INFO] finished tweaking git repo https://github.com/TimBush/Rust-Pixel-Diff
[INFO] tweaked toml for git repo https://github.com/TimBush/Rust-Pixel-Diff written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TimBush/Rust-Pixel-Diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b90c64b53164ead868bde8b1975a6056d338752586794b4e5ac22d8d25470a5
[INFO] running `Command { std: "docker" "start" "-a" "0b90c64b53164ead868bde8b1975a6056d338752586794b4e5ac22d8d25470a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b90c64b53164ead868bde8b1975a6056d338752586794b4e5ac22d8d25470a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b90c64b53164ead868bde8b1975a6056d338752586794b4e5ac22d8d25470a5", kill_on_drop: false }`
[INFO] [stdout] 0b90c64b53164ead868bde8b1975a6056d338752586794b4e5ac22d8d25470a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34a62e084e0ada69258f3f4fdd698e3e6e490d4ca69ab42d81c50dd13673405
[INFO] running `Command { std: "docker" "start" "-a" "e34a62e084e0ada69258f3f4fdd698e3e6e490d4ca69ab42d81c50dd13673405", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.3
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.1
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]  Documenting png_diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.53s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/png_diff/index.html
[INFO] running `Command { std: "docker" "inspect" "e34a62e084e0ada69258f3f4fdd698e3e6e490d4ca69ab42d81c50dd13673405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34a62e084e0ada69258f3f4fdd698e3e6e490d4ca69ab42d81c50dd13673405", kill_on_drop: false }`
[INFO] [stdout] e34a62e084e0ada69258f3f4fdd698e3e6e490d4ca69ab42d81c50dd13673405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925563231f8f3dec603cb886e471c53a1b6ce665582cba1be8662fdbc6479726
[INFO] running `Command { std: "docker" "start" "-a" "925563231f8f3dec603cb886e471c53a1b6ce665582cba1be8662fdbc6479726", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]  Documenting png_diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/png_diff/index.html
[INFO] running `Command { std: "docker" "inspect" "925563231f8f3dec603cb886e471c53a1b6ce665582cba1be8662fdbc6479726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925563231f8f3dec603cb886e471c53a1b6ce665582cba1be8662fdbc6479726", kill_on_drop: false }`
[INFO] [stdout] 925563231f8f3dec603cb886e471c53a1b6ce665582cba1be8662fdbc6479726