[INFO] cloning repository https://github.com/scambier/roguelike-tutorial-glsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scambier/roguelike-tutorial-glsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscambier%2Froguelike-tutorial-glsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscambier%2Froguelike-tutorial-glsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c44b00641d5fa60cf7dab4008ef1ad6f7af3d476
[INFO] testing scambier/roguelike-tutorial-glsp against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscambier%2Froguelike-tutorial-glsp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scambier/roguelike-tutorial-glsp on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/scambier/roguelike-tutorial-glsp
[INFO] finished tweaking git repo https://github.com/scambier/roguelike-tutorial-glsp
[INFO] tweaked toml for git repo https://github.com/scambier/roguelike-tutorial-glsp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scambier/roguelike-tutorial-glsp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f504acb069283f771338a2dfe39c92f36e20ddd1d1a87857546ed7598aff19ef
[INFO] running `Command { std: "docker" "start" "-a" "f504acb069283f771338a2dfe39c92f36e20ddd1d1a87857546ed7598aff19ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f504acb069283f771338a2dfe39c92f36e20ddd1d1a87857546ed7598aff19ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f504acb069283f771338a2dfe39c92f36e20ddd1d1a87857546ed7598aff19ef", kill_on_drop: false }`
[INFO] [stdout] f504acb069283f771338a2dfe39c92f36e20ddd1d1a87857546ed7598aff19ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e1a7bfe4e5c841128f7c537427df078b759e80be7e8a8573c7980b2ce717c20
[INFO] running `Command { std: "docker" "start" "-a" "6e1a7bfe4e5c841128f7c537427df078b759e80be7e8a8573c7980b2ce717c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling wide v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling object-pool v0.5.4
[INFO] [stderr]    Compiling bracket-color v0.8.2 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling bracket-random v0.8.3 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling bracket-noise v0.8.2 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling ultraviolet v0.7.5
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling bracket-geometry v0.8.2 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling bracket-algorithm-traits v0.8.2 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling bracket-pathfinding v0.8.4 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling rust-embed-impl v5.9.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling rust-embed v5.9.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling glsp-engine v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glsp-engine-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glsp-engine-0.2.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(rustc_attrs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glsp-engine-0.2.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling bracket-terminal v0.8.3 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stderr]    Compiling bracket-lib v0.8.2 (https://github.com/amethyst/bracket-lib#d8c8af87)
[INFO] [stdout] error: aborting due to 3 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 compile `glsp-engine`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6e1a7bfe4e5c841128f7c537427df078b759e80be7e8a8573c7980b2ce717c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1a7bfe4e5c841128f7c537427df078b759e80be7e8a8573c7980b2ce717c20", kill_on_drop: false }`
[INFO] [stdout] 6e1a7bfe4e5c841128f7c537427df078b759e80be7e8a8573c7980b2ce717c20
