[INFO] updating cached repository ajmwagar/snek
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajmwagar/snek
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/snek" "work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/snek"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/snek'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/snek" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/snek"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/snek'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea9d6d0bb08e5678373a1a84fc546a98afbd2a3f
[INFO] sha for GitHub repo ajmwagar/snek: ea9d6d0bb08e5678373a1a84fc546a98afbd2a3f
[INFO] validating manifest of ajmwagar/snek on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ajmwagar/snek on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ajmwagar/snek
[INFO] finished frobbing ajmwagar/snek
[INFO] frobbed toml for ajmwagar/snek written to work/ex/beta-1.38-1/sources/1.37.0/gh/ajmwagar/snek/Cargo.toml
[INFO] started frobbing ajmwagar/snek
[INFO] finished frobbing ajmwagar/snek
[INFO] frobbed toml for ajmwagar/snek written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/snek/Cargo.toml
[INFO] crate ajmwagar/snek already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ajmwagar/snek against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajmwagar/snek:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a832d8e1c892ba1d6f14a86b6fa74d2093f15b168c416242ad6e37ce76af2d19
[INFO] running `"docker" "start" "-a" "a832d8e1c892ba1d6f14a86b6fa74d2093f15b168c416242ad6e37ce76af2d19"`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling claxon v0.3.2
[INFO] [stderr]    Compiling immi v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling slice-deque v0.1.16
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gilrs-core v0.2.2
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling gilrs v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling minimp3 v0.3.2
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling xmlparser v0.3.0
[INFO] [stderr]    Compiling svgparser v0.8.1
[INFO] [stderr]    Compiling euclid v0.19.8
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling lyon_geom v0.12.4
[INFO] [stderr]    Compiling lyon_path v0.13.1
[INFO] [stderr]    Compiling lyon_svg v0.13.0
[INFO] [stderr]    Compiling lyon_algorithms v0.13.1
[INFO] [stderr]    Compiling lyon_tessellation v0.13.1
[INFO] [stderr]    Compiling lyon_extra v0.13.0
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling lyon v0.13.1
[INFO] [stderr]    Compiling glutin v0.20.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling ncollide2d v0.18.4
[INFO] [stderr]    Compiling quicksilver v0.3.11
[INFO] [stderr]    Compiling snek v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Circle`, `Image`, `Line`, `Transform`, `Triangle`
[INFO] [stderr]   --> src/main.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     geom::{Shape, Circle, Line, Rectangle, Transform, Triangle, Vector},
[INFO] [stderr]    |                   ^^^^^^  ^^^^             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 16 |     graphics::{Background::Img, Background::Col, Color, Font, FontStyle, Image},
[INFO] [stderr]    |                                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[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 `snek`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a832d8e1c892ba1d6f14a86b6fa74d2093f15b168c416242ad6e37ce76af2d19"`
[INFO] running `"docker" "rm" "-f" "a832d8e1c892ba1d6f14a86b6fa74d2093f15b168c416242ad6e37ce76af2d19"`
[INFO] [stdout] a832d8e1c892ba1d6f14a86b6fa74d2093f15b168c416242ad6e37ce76af2d19