[INFO] cloning repository https://github.com/tdgne/voicething
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdgne/voicething" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdgne%2Fvoicething", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdgne%2Fvoicething'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2baa7b366ffa5c4bee475ab57693c177ccc0443
[INFO] documenting tdgne/voicething against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdgne%2Fvoicething" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tdgne/voicething on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tdgne/voicething
[INFO] finished tweaking git repo https://github.com/tdgne/voicething
[INFO] tweaked toml for git repo https://github.com/tdgne/voicething written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tdgne/voicething already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac24e10ce3f266599a0642fbeb615280b2fab8f2f0a91a542888b0a345f8d128
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac24e10ce3f266599a0642fbeb615280b2fab8f2f0a91a542888b0a345f8d128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac24e10ce3f266599a0642fbeb615280b2fab8f2f0a91a542888b0a345f8d128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac24e10ce3f266599a0642fbeb615280b2fab8f2f0a91a542888b0a345f8d128", kill_on_drop: false }`
[INFO] [stdout] ac24e10ce3f266599a0642fbeb615280b2fab8f2f0a91a542888b0a345f8d128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ff4da67137bc9e733e194599bc637075adfeaf118f41cd128f5e68ad850532
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0ff4da67137bc9e733e194599bc637075adfeaf118f41cd128f5e68ad850532", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking glib-sys v0.9.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling glium v0.26.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking gobject-sys v0.9.1
[INFO] [stderr]     Checking cairo-sys-rs v0.9.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking gio-sys v0.9.1
[INFO] [stderr]     Checking pango-sys v0.9.1
[INFO] [stderr]     Checking atk-sys v0.9.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling imgui-sys v0.3.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.9.1
[INFO] [stderr]     Checking gdk-sys v0.9.1
[INFO] [stderr]     Checking glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enum_dispatch v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking cpal v0.11.0
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking glutin v0.23.0
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking gio v0.8.1
[INFO] [stderr]     Checking cairo-rs v0.8.1
[INFO] [stderr]     Checking pango v0.8.0
[INFO] [stderr]     Checking atk v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking imgui v0.3.0
[INFO] [stderr]     Checking imgui-glium-renderer v0.3.0
[INFO] [stderr]     Checking imgui-winit-support v0.3.1
[INFO] [stderr]     Checking gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking gdk v0.12.1
[INFO] [stderr]  Documenting voice-converter 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(vec_remove_item)]
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `voice-converter`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name voice_converter src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-7e40fbbcc6946fa8.rmeta --extern cpal=/opt/rustwide/target/debug/deps/libcpal-b119a98e7a3a3749.rmeta --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-ddfee07cd70a06ba.so --extern enum_dispatch=/opt/rustwide/target/debug/deps/libenum_dispatch-bbe98be2b7bb3016.so --extern getset=/opt/rustwide/target/debug/deps/libgetset-5cc953232ea83bc7.so --extern gio=/opt/rustwide/target/debug/deps/libgio-0c7d56638eaf1f7d.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-7dc43fdf5a46f6d8.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-c21ed4b4201f988d.rmeta --extern imgui=/opt/rustwide/target/debug/deps/libimgui-c27e14a7c1c698e5.rmeta --extern imgui_glium_renderer=/opt/rustwide/target/debug/deps/libimgui_glium_renderer-5bcd37af5b45e4bb.rmeta --extern imgui_winit_support=/opt/rustwide/target/debug/deps/libimgui_winit_support-57ec7afcd7adebd4.rmeta --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-24140e0f30830d4c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f6fcae77e74782b9.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6a9c636dd35b37e7.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f8604386e8b13520.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c0ff4da67137bc9e733e194599bc637075adfeaf118f41cd128f5e68ad850532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ff4da67137bc9e733e194599bc637075adfeaf118f41cd128f5e68ad850532", kill_on_drop: false }`
[INFO] [stdout] c0ff4da67137bc9e733e194599bc637075adfeaf118f41cd128f5e68ad850532
