[INFO] cloning repository https://github.com/Niedzwiedzw/prawario
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/prawario" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fprawario", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fprawario'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcd29b6393fdc04832ee1dcbe9682e298ebde159
[INFO] testing Niedzwiedzw/prawario 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%2FNiedzwiedzw%2Fprawario" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Niedzwiedzw/prawario 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/Niedzwiedzw/prawario
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/prawario
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/prawario written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Niedzwiedzw/prawario 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: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] efbd2013bbb0aee4e84b07f9ca07d9f768f4ec56f3d9bdd649237c0ba3fab94b
[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" "efbd2013bbb0aee4e84b07f9ca07d9f768f4ec56f3d9bdd649237c0ba3fab94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbd2013bbb0aee4e84b07f9ca07d9f768f4ec56f3d9bdd649237c0ba3fab94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbd2013bbb0aee4e84b07f9ca07d9f768f4ec56f3d9bdd649237c0ba3fab94b", kill_on_drop: false }`
[INFO] [stdout] efbd2013bbb0aee4e84b07f9ca07d9f768f4ec56f3d9bdd649237c0ba3fab94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8f537c4c85afea7c2204bce8ac39951a29d57d78a9ca48d7c8dc6135bc8dcb23
[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" "8f537c4c85afea7c2204bce8ac39951a29d57d78a9ca48d7c8dc6135bc8dcb23", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling instant v0.1.4
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling base64 v0.12.2
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling elefont v0.1.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling gilrs-core v0.2.6
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling gilrs v0.7.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling golem v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]    Compiling enum-map v0.6.2
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling js-sys v0.3.40
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling web-sys v0.3.40
[INFO] [stderr]    Compiling platter v0.1.4
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling gestalt v0.1.0
[INFO] [stderr]    Compiling warp v0.2.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling glutin v0.24.1
[INFO] [stderr]    Compiling blinds v0.1.6
[INFO] [stderr]    Compiling quicksilver v0.4.0-alpha0.5
[INFO] [stderr]    Compiling prawario v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/game.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/obstacles.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `obstacles::Obstacle`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use obstacles::Obstacle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]   --> src/game.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/obstacles.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game::VectorDef`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use game::VectorDef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/main.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 209 | /     run(
[INFO] [stdout] 210 | |         Settings {
[INFO] [stdout] 211 | |             title: "Square Example",
[INFO] [stdout] 212 | |             size: render_size,
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |         app,
[INFO] [stdout] 216 | |     );
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 217 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prawario`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8f537c4c85afea7c2204bce8ac39951a29d57d78a9ca48d7c8dc6135bc8dcb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f537c4c85afea7c2204bce8ac39951a29d57d78a9ca48d7c8dc6135bc8dcb23", kill_on_drop: false }`
[INFO] [stdout] 8f537c4c85afea7c2204bce8ac39951a29d57d78a9ca48d7c8dc6135bc8dcb23