[INFO] cloning repository https://github.com/jjwest/gameoflife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjwest/gameoflife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c08d80c800f3c179f0ff9d2233b93deea12b8b
[INFO] documenting jjwest/gameoflife against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjwest/gameoflife on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjwest/gameoflife
[INFO] finished tweaking git repo https://github.com/jjwest/gameoflife
[INFO] tweaked toml for git repo https://github.com/jjwest/gameoflife written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/jjwest/gameoflife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gobject-sys v0.4.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.4.0
[INFO] [stderr]   Downloaded pango v0.2.0
[INFO] [stderr]   Downloaded pango-sys v0.4.0
[INFO] [stderr]   Downloaded glib-sys v0.4.0
[INFO] [stderr]   Downloaded cairo-rs v0.2.0
[INFO] [stderr]   Downloaded gtk-sys v0.4.0
[INFO] [stderr]   Downloaded gdk-sys v0.4.0
[INFO] [stderr]   Downloaded itoa v0.3.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.2.0
[INFO] [stderr]   Downloaded atk-sys v0.4.0
[INFO] [stderr]   Downloaded gio v0.2.0
[INFO] [stderr]   Downloaded gio-sys v0.4.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.4.0
[INFO] [stderr]   Downloaded getopts v0.2.14
[INFO] [stderr]   Downloaded itertools v0.6.1
[INFO] [stderr]   Downloaded gtk v0.2.0
[INFO] [stderr]   Downloaded gdk v0.6.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.153
[INFO] [stderr]   Downloaded clippy v0.0.153
[INFO] [stderr]   Downloaded glib v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a222c3f19806284c6433e84937f4d3b2d74cb154d655dc7b4a4e728db654ab59
[INFO] running `Command { std: "docker" "start" "-a" "a222c3f19806284c6433e84937f4d3b2d74cb154d655dc7b4a4e728db654ab59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a222c3f19806284c6433e84937f4d3b2d74cb154d655dc7b4a4e728db654ab59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a222c3f19806284c6433e84937f4d3b2d74cb154d655dc7b4a4e728db654ab59", kill_on_drop: false }`
[INFO] [stdout] a222c3f19806284c6433e84937f4d3b2d74cb154d655dc7b4a4e728db654ab59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b42a5d9da7188c5ee932c18204a3f8579ae35b452756d4a0d6da9e4b86a40ad
[INFO] running `Command { std: "docker" "start" "-a" "1b42a5d9da7188c5ee932c18204a3f8579ae35b452756d4a0d6da9e4b86a40ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]     Checking glib v0.3.0
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]  Documenting gameoflife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gameoflife`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name gameoflife src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e227fa9dbaf848de -L dependency=/opt/rustwide/target/debug/deps --extern gdk=/opt/rustwide/target/debug/deps/libgdk-c5d5e34bc837f34e.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-bdc3e18926aeb247.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1b42a5d9da7188c5ee932c18204a3f8579ae35b452756d4a0d6da9e4b86a40ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b42a5d9da7188c5ee932c18204a3f8579ae35b452756d4a0d6da9e4b86a40ad", kill_on_drop: false }`
[INFO] [stdout] 1b42a5d9da7188c5ee932c18204a3f8579ae35b452756d4a0d6da9e4b86a40ad