[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] testing beetflo/beetflo-terminal against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeetflo%2Fbeetflo-terminal" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beetflo/beetflo-terminal on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/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" "+beta-2021-01-01" "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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/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" "+beta-2021-01-01" "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" "+beta-2021-01-01" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded wayland-window v0.4.4
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded gleam v0.2.32
[INFO] [stderr]   Downloaded rusttype v0.2.4
[INFO] [stderr]   Downloaded wayland-client v0.7.8
[INFO] [stderr]   Downloaded gfx_device_gl v0.14.6
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.6
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded conrod_derive v0.71.0
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded conrod_derive v0.1.2
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded conrod v0.61.1
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] [stderr]   Downloaded glium v0.22.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.39.0
[INFO] [stderr]   Downloaded android_support v0.1.0
[INFO] [stderr]   Downloaded gl_generator v0.7.0
[INFO] [stderr]   Downloaded android_ffi v0.1.0
[INFO] [stderr]   Downloaded gfx_gl v0.4.0
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded gl v0.6.5
[INFO] [stderr]   Downloaded gfx v0.15.1
[INFO] [stderr]   Downloaded wayland-kbd v0.6.3
[INFO] [stderr]   Downloaded piston2d-graphics v0.21.1
[INFO] [stderr]   Downloaded gl_generator v0.6.1
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded gfx_window_glutin v0.15.0
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.23.0
[INFO] [stderr]   Downloaded pistoncore-input v0.18.0
[INFO] [stderr]   Downloaded piston v0.32.0
[INFO] [stderr]   Downloaded ctest v0.1.7
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.36.0
[INFO] [stderr]   Downloaded glutin v0.7.4
[INFO] [stderr]   Downloaded winit v0.5.11
[INFO] [stderr]   Downloaded pistoncore-window v0.27.0
[INFO] [stderr]   Downloaded piston-texture v0.5.0
[INFO] [stderr]   Downloaded xml-rs v0.3.6
[INFO] [stderr]   Downloaded wayland-sys v0.7.8
[INFO] [stderr]   Downloaded wayland-scanner v0.7.8
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.32.0
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded piston_window v0.65.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a54f751287e5ff991eefcee607671d824dd997256b39903277c2112fed2367
[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" "a5a54f751287e5ff991eefcee607671d824dd997256b39903277c2112fed2367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a54f751287e5ff991eefcee607671d824dd997256b39903277c2112fed2367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a54f751287e5ff991eefcee607671d824dd997256b39903277c2112fed2367", kill_on_drop: false }`
[INFO] [stdout] a5a54f751287e5ff991eefcee607671d824dd997256b39903277c2112fed2367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f2bf16ba2d72c88b1924584d0215a810ffb223d8d50e6a2b6b2c6a6d6c84c9a
[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" "2f2bf16ba2d72c88b1924584d0215a810ffb223d8d50e6a2b6b2c6a6d6c84c9a", 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 serde v1.0.118
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling android_ffi v0.1.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling pistoncore-input v0.18.0
[INFO] [stderr]    Compiling piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling android_support v0.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling pistoncore-window v0.27.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling conrod_derive v0.71.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.32.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling gfx v0.15.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling piston v0.32.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling winit v0.16.2
[INFO] [stderr]    Compiling piston-gfx_texture v0.23.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.39.0
[INFO] [stderr]    Compiling ctest v0.1.7
[INFO] [stderr]    Compiling conrod v0.61.1
[INFO] [stderr]    Compiling beetflo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.36.0
[INFO] [stderr]    Compiling gfx_window_glutin v0.15.0
[INFO] [stderr]    Compiling piston_window v0.65.0
[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 compile `beetflo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2f2bf16ba2d72c88b1924584d0215a810ffb223d8d50e6a2b6b2c6a6d6c84c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2bf16ba2d72c88b1924584d0215a810ffb223d8d50e6a2b6b2c6a6d6c84c9a", kill_on_drop: false }`
[INFO] [stdout] 2f2bf16ba2d72c88b1924584d0215a810ffb223d8d50e6a2b6b2c6a6d6c84c9a