[INFO] cloning repository https://github.com/shua/wsel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shua/wsel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshua%2Fwsel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshua%2Fwsel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47858e66c108a19bf5f961bca71f081560713de8
[INFO] documenting shua/wsel 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%2Fshua%2Fwsel" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shua/wsel 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/shua/wsel
[INFO] finished tweaking git repo https://github.com/shua/wsel
[INFO] tweaked toml for git repo https://github.com/shua/wsel written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/shua/wsel 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 8de52054fa398a84298ab1ffb83654c26ea10213d693bb255abb4448616c0323
[INFO] running `Command { std: "docker" "start" "-a" "8de52054fa398a84298ab1ffb83654c26ea10213d693bb255abb4448616c0323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8de52054fa398a84298ab1ffb83654c26ea10213d693bb255abb4448616c0323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de52054fa398a84298ab1ffb83654c26ea10213d693bb255abb4448616c0323", kill_on_drop: false }`
[INFO] [stdout] 8de52054fa398a84298ab1ffb83654c26ea10213d693bb255abb4448616c0323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 62dbf11d0a7bdf57bee2af92e9ae28789b75368d7f7f92aef9eec670d4df7459
[INFO] running `Command { std: "docker" "start" "-a" "62dbf11d0a7bdf57bee2af92e9ae28789b75368d7f7f92aef9eec670d4df7459", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling wsel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]  Documenting wsel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/wscan.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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] [stderr] error: could not document `wsel`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name wscan src/bin/wscan.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e1439e5cfc1cff00 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ee185080059e5b20.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-acbe077cada83883.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-80fce940a8febe4a.rmeta --extern rusttype=/opt/rustwide/target/debug/deps/librusttype-100be581d1e99880.rmeta --extern wayland_client=/opt/rustwide/target/debug/deps/libwayland_client-63acb377ad36efbd.rmeta --extern wayland_protocols=/opt/rustwide/target/debug/deps/libwayland_protocols-7811c20cd41fb4fc.rmeta --cap-lints=warn --crate-version 0.1.0 --cfg 'default_font="none"'` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "62dbf11d0a7bdf57bee2af92e9ae28789b75368d7f7f92aef9eec670d4df7459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dbf11d0a7bdf57bee2af92e9ae28789b75368d7f7f92aef9eec670d4df7459", kill_on_drop: false }`
[INFO] [stdout] 62dbf11d0a7bdf57bee2af92e9ae28789b75368d7f7f92aef9eec670d4df7459