[INFO] cloning repository https://github.com/Udragg/c4_display
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Udragg/c4_display" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b148706c380165fc0e9309d83d4365c2a2a14d7
[INFO] documenting Udragg/c4_display against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Udragg/c4_display 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 git repo https://github.com/Udragg/c4_display
[INFO] finished tweaking git repo https://github.com/Udragg/c4_display
[INFO] tweaked toml for git repo https://github.com/Udragg/c4_display written to /workspace/builds/worker-15/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] [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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6013a7d18d186c20913f2ebd27544610be9e91a618ea9b7ddf1b8df17814c250
[INFO] running `Command { std: "docker" "start" "-a" "6013a7d18d186c20913f2ebd27544610be9e91a618ea9b7ddf1b8df17814c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6013a7d18d186c20913f2ebd27544610be9e91a618ea9b7ddf1b8df17814c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6013a7d18d186c20913f2ebd27544610be9e91a618ea9b7ddf1b8df17814c250", kill_on_drop: false }`
[INFO] [stdout] 6013a7d18d186c20913f2ebd27544610be9e91a618ea9b7ddf1b8df17814c250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 9458f725371db41b0d4cbd685cdfbd9cc549cdfd51a50afda64b795830a3566e
[INFO] running `Command { std: "docker" "start" "-a" "9458f725371db41b0d4cbd685cdfbd9cc549cdfd51a50afda64b795830a3566e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]  Documenting c4_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `with_color` links to private item `self`
[INFO] [stdout]    --> src/display/display.rs:274:33
[INFO] [stdout]     |
[INFO] [stdout] 274 |     /// Create a new [LedState](self) with the given color and default blink.
[INFO] [stdout]     |                                 ^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "9458f725371db41b0d4cbd685cdfbd9cc549cdfd51a50afda64b795830a3566e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9458f725371db41b0d4cbd685cdfbd9cc549cdfd51a50afda64b795830a3566e", kill_on_drop: false }`
[INFO] [stdout] 9458f725371db41b0d4cbd685cdfbd9cc549cdfd51a50afda64b795830a3566e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1134e611875797f7ce69f20dbd9b9d54f20c84a5f8949764a847c859956df59a
[INFO] running `Command { std: "docker" "start" "-a" "1134e611875797f7ce69f20dbd9b9d54f20c84a5f8949764a847c859956df59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]  Documenting c4_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `with_color` links to private item `self`
[INFO] [stdout]    --> src/display/display.rs:274:33
[INFO] [stdout]     |
[INFO] [stdout] 274 |     /// Create a new [LedState](self) with the given color and default blink.
[INFO] [stdout]     |                                 ^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "1134e611875797f7ce69f20dbd9b9d54f20c84a5f8949764a847c859956df59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1134e611875797f7ce69f20dbd9b9d54f20c84a5f8949764a847c859956df59a", kill_on_drop: false }`
[INFO] [stdout] 1134e611875797f7ce69f20dbd9b9d54f20c84a5f8949764a847c859956df59a