[INFO] crate valora 0.1.0 is already in cache
[INFO] extracting crate valora 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/valora/0.1.0
[INFO] extracting crate valora 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/valora/0.1.0
[INFO] validating manifest of valora-0.1.0 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 valora-0.1.0 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 valora-0.1.0
[INFO] finished frobbing valora-0.1.0
[INFO] frobbed toml for valora-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/valora/0.1.0/Cargo.toml
[INFO] started frobbing valora-0.1.0
[INFO] finished frobbing valora-0.1.0
[INFO] frobbed toml for valora-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/valora/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 valora-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/valora/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e9afafc8411202808a4096d2680ee359019f9e7dba9196fbfcfc88b07937fe14
[INFO] running `"docker" "start" "-a" "e9afafc8411202808a4096d2680ee359019f9e7dba9196fbfcfc88b07937fe14"`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling euclid v0.15.6
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling svgparser v0.4.3
[INFO] [stderr]    Compiling lyon_bezier v0.8.5
[INFO] [stderr]    Compiling lyon_core v0.8.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling lyon_path_builder v0.8.6
[INFO] [stderr]    Compiling lyon_path_iterator v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling lyon_svg v0.8.6
[INFO] [stderr]    Compiling glutin v0.11.0
[INFO] [stderr]    Compiling glium v0.19.0
[INFO] [stderr]    Compiling lyon_path v0.8.6
[INFO] [stderr]    Compiling lyon_extra v0.8.6
[INFO] [stderr]    Compiling lyon_tessellation v0.8.8
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling lyon v0.8.8
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.9.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling valora v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(specialization)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(use_nested_groups)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(unboxed_closures)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(fnbox)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(crate_in_paths)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geom/spawner.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     f: Option<Rc<Fn(&G, Point, usize) -> G>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&G, Point, usize) -> G`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/actors/walker.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Greedy(Box<Fn(Point, &mut StdRng) -> Vec<Point>>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Point, &mut StdRng) -> Vec<Point>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/composition.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |     layers: Vec<Box<Layer>>,
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Layer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/composition.rs:59:60
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn shader(&mut self, ctx: &SketchContext) -> Result<Rc<Shader>> {
[INFO] [stderr]    |                                                            ^^^^^^ help: use `dyn`: `dyn Shader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tween.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     f: Box<Fn(f32, usize) -> T>,
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32, usize) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/color.rs:10:30
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Colorer(Option<Rc<Fn(Point) -> Colora>>);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Point) -> Colora`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gpu/mod.rs:74:51
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn render_to_texture(&self, cmds: Vec<(Rc<Shader>, GpuMesh)>) -> Result<Texture2d> {
[INFO] [stderr]    |                                                   ^^^^^^ help: use `dyn`: `dyn Shader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gpu/mod.rs:231:45
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn draw_all(mut self, cmds: Vec<(Rc<Shader>, GpuMesh)>) -> Result<()> {
[INFO] [stderr]     |                                             ^^^^^^ help: use `dyn`: `dyn Shader`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Surface` is imported redundantly
[INFO] [stderr]    --> src/gpu/mod.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 8   | use glium::{glutin, Surface, Display, DrawParameters, Frame, IndexBuffer, Program, VertexBuffer};
[INFO] [stderr]     |                     ------- the item `Surface` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 250 |         use glium::Surface;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain!{
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         FrameValidation(ValidationError);   
[INFO] [stderr] 11 | |         GlutinContext(ContextError);
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain!{
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         FrameValidation(ValidationError);   
[INFO] [stderr] 11 | |         GlutinContext(ContextError);
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `valora`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e9afafc8411202808a4096d2680ee359019f9e7dba9196fbfcfc88b07937fe14"`
[INFO] running `"docker" "rm" "-f" "e9afafc8411202808a4096d2680ee359019f9e7dba9196fbfcfc88b07937fe14"`
[INFO] [stdout] e9afafc8411202808a4096d2680ee359019f9e7dba9196fbfcfc88b07937fe14