[INFO] updating cached repository https://github.com/cultofmetatron/raybar
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/cultofmetatron/raybar
[INFO] [stderr]    972cfe4..2474075  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 247407530ed7a6728e88cd5ca3ee09d35ef2d795
[INFO] testing cultofmetatron/raybar against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcultofmetatron%2Fraybar" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cultofmetatron/raybar on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cultofmetatron/raybar
[INFO] finished tweaking git repo https://github.com/cultofmetatron/raybar
[INFO] tweaked toml for git repo https://github.com/cultofmetatron/raybar written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cultofmetatron/raybar already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] af5d202efdb8cad8b5fdfaeff70aa13f1ae01ae59aef2515f17736f3d54437a8
[INFO] running `"docker" "start" "-a" "af5d202efdb8cad8b5fdfaeff70aa13f1ae01ae59aef2515f17736f3d54437a8"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling winit v0.19.3
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.69.0
[INFO] [stderr]    Compiling glutin v0.21.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling piston v0.49.0
[INFO] [stderr]    Compiling raybar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(trait_alias)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Div`, `Neg`, `Sub`
[INFO] [stderr]   --> src/raybar/matrix.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::ops::{Add, Div, Mul, Neg, Sub};
[INFO] [stderr]    |                ^^^  ^^^       ^^^  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PartialOrd`
[INFO] [stderr]  --> src/raybar/point.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::{PartialEq, PartialOrd};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Div`, `Mul`, `Sub`
[INFO] [stderr]  --> src/raybar/point.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stderr]   |                ^^^  ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Signed`, `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/raybar/point.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num_traits::{One, Signed, ToPrimitive, Zero};
[INFO] [stderr]   |                       ^^^^^^  ^^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GlPrimative`
[INFO] [stderr]  --> src/raybar/point.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::glprimative::{GlPrimative, MatrixNumber};
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PartialOrd`
[INFO] [stderr]  --> src/raybar/vector.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::{PartialEq, PartialOrd};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Div`
[INFO] [stderr]  --> src/raybar/vector.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Div, Mul, Neg, Sub};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `Signed`, `ToPrimitive`
[INFO] [stderr]  --> src/raybar/vector.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num_traits::{Float, One, Signed, ToPrimitive, Zero};
[INFO] [stderr]   |                         ^^^  ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GlPrimative`
[INFO] [stderr]  --> src/raybar/vector.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::glprimative::{GlPrimative, MatrixNumber};
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::point::GlPoint`
[INFO] [stderr]  --> src/raybar/vector.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::point::GlPoint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rgb`
[INFO] [stderr]  --> src/raybar/examples/isomorph.rs:1:78
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{DynamicImage, GenericImageView, ImageBuffer, ImageResult, Pixel, Rgb};
[INFO] [stderr]   |                                                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImageView`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use image::GenericImageView;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]   --> src/raybar/matrix.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | use num_traits::{Float, One, ToPrimitive, Zero};
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToPrimitive`
[INFO] [stderr]   --> src/raybar/matrix.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 | use num_traits::{Float, One, ToPrimitive, Zero};
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `raybar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "af5d202efdb8cad8b5fdfaeff70aa13f1ae01ae59aef2515f17736f3d54437a8"`
[INFO] running `"docker" "rm" "-f" "af5d202efdb8cad8b5fdfaeff70aa13f1ae01ae59aef2515f17736f3d54437a8"`
[INFO] [stdout] af5d202efdb8cad8b5fdfaeff70aa13f1ae01ae59aef2515f17736f3d54437a8