[INFO] cloning repository https://github.com/beetflo/beetflo-terminal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beetflo/beetflo-terminal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeetflo%2Fbeetflo-terminal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeetflo%2Fbeetflo-terminal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af1bc6a0ad1ae9b89a23c78ad5a57f9dfa909e8e
[INFO] documenting beetflo/beetflo-terminal against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeetflo%2Fbeetflo-terminal" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beetflo/beetflo-terminal on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beetflo/beetflo-terminal
[INFO] removed path dependency conrod from git repo https://github.com/beetflo/beetflo-terminal
[INFO] removed path dependency conrod_derive from git repo https://github.com/beetflo/beetflo-terminal
[INFO] removed path dependency midir from git repo https://github.com/beetflo/beetflo-terminal
[INFO] finished tweaking git repo https://github.com/beetflo/beetflo-terminal
[INFO] tweaked toml for git repo https://github.com/beetflo/beetflo-terminal written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/beetflo/beetflo-terminal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (conrod) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (conrod_derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (midir) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (conrod) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (conrod_derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (midir) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d21a8d77c3551accdf5ff2fc92823369f2a3d504f4b21bfe80208a349e45cf74
[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" "d21a8d77c3551accdf5ff2fc92823369f2a3d504f4b21bfe80208a349e45cf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21a8d77c3551accdf5ff2fc92823369f2a3d504f4b21bfe80208a349e45cf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21a8d77c3551accdf5ff2fc92823369f2a3d504f4b21bfe80208a349e45cf74", kill_on_drop: false }`
[INFO] [stdout] d21a8d77c3551accdf5ff2fc92823369f2a3d504f4b21bfe80208a349e45cf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b2d38196397d2de7dc235d0de1005e1fcd322eac6c254d00ffe55f739bdde7
[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" "33b2d38196397d2de7dc235d0de1005e1fcd322eac6c254d00ffe55f739bdde7", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (conrod) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (conrod_derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (midir) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking shader_version v0.2.2
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking android_ffi v0.1.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking pistoncore-input v0.18.0
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling conrod_derive v0.70.0
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking piston2d-graphics v0.21.1
[INFO] [stderr]     Checking android_support v0.1.0
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking pistoncore-window v0.27.0
[INFO] [stderr]     Checking midir v0.6.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.32.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]     Checking piston v0.32.0
[INFO] [stderr]     Checking gfx v0.15.1
[INFO] [stderr]     Checking piston-gfx_texture v0.23.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.39.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx_device_gl v0.14.6
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-client v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking pistoncore-glutin_window v0.36.0
[INFO] [stderr]     Checking gfx_window_glutin v0.15.0
[INFO] [stderr]     Checking piston_window v0.65.0
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]    Compiling ctest v0.1.7
[INFO] [stderr]    Compiling beetflo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting beetflo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `conrod_core`
[INFO] [stdout]   --> src/widgets/piano/keys.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(WidgetCommon)]
[INFO] [stdout]    |          ^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `beetflo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name beetflo src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern android_ffi=/opt/rustwide/target/debug/deps/libandroid_ffi-709080ce49b02385.rmeta --extern android_support=/opt/rustwide/target/debug/deps/libandroid_support-b084e4acbb3aba68.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5e80f06216331e5d.rmeta --extern conrod=/opt/rustwide/target/debug/deps/libconrod-c99d208505a635fd.rmeta --extern conrod_derive=/opt/rustwide/target/debug/deps/libconrod_derive-771e0bbd51b27bb9.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-6ac1911532bdac2c.rmeta --extern find_folder=/opt/rustwide/target/debug/deps/libfind_folder-8e70b89ef01b65ac.rmeta --extern gfx=/opt/rustwide/target/debug/deps/libgfx-6cfb3895776d141a.rmeta --extern gfx_core=/opt/rustwide/target/debug/deps/libgfx_core-334dc5a745f5cd3d.rmeta --extern gfx_window_glutin=/opt/rustwide/target/debug/deps/libgfx_window_glutin-af868c8ce946c6b7.rmeta --extern glutin=/opt/rustwide/target/debug/deps/libglutin-df1b043d819bfc8e.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-0d4e47a0a3eeb8b1.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-538ccf74a4ec0a82.rmeta --extern midir=/opt/rustwide/target/debug/deps/libmidir-782b5349447d7d5f.rmeta --extern piston_window=/opt/rustwide/target/debug/deps/libpiston_window-47771fcae8b7b0c3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-85efb7b923645623.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-34848556241d64ee.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "33b2d38196397d2de7dc235d0de1005e1fcd322eac6c254d00ffe55f739bdde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b2d38196397d2de7dc235d0de1005e1fcd322eac6c254d00ffe55f739bdde7", kill_on_drop: false }`
[INFO] [stdout] 33b2d38196397d2de7dc235d0de1005e1fcd322eac6c254d00ffe55f739bdde7