[INFO] crate valora 0.1.0 is already in cache
[INFO] checking valora-0.1.0 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate valora 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate valora 0.1.0 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate valora 0.1.0
[INFO] finished tweaking crates.io crate valora 0.1.0
[INFO] tweaked toml for crates.io crate valora 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ad2edb14cde496063598619e5ac2816133b63f7d548924e317fb822a723884f
[INFO] running `"docker" "start" "-a" "9ad2edb14cde496063598619e5ac2816133b63f7d548924e317fb822a723884f"`
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[INFO] [stderr]     Checking valora v0.1.0 (/opt/rustwide/workdir)
[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::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gpu/mod.rs:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | implement_vertex!(GpuVertex, position, color);
[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::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gpu/mod.rs:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | implement_vertex!(GpuVertex, position, color);
[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] 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::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gpu/mod.rs:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | implement_vertex!(GpuVertex, position, color);
[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::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gpu/mod.rs:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | implement_vertex!(GpuVertex, position, color);
[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] 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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/composition.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for mut layer in self.layers.iter_mut().rev() {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` 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: 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: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(use_nested_groups)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(crate_in_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `fnbox`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(fnbox)]
[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 E0635`.
[INFO] [stderr] error: could not compile `valora`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/composition.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for mut layer in self.layers.iter_mut().rev() {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(use_nested_groups)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(crate_in_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `fnbox`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(fnbox)]
[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 E0635`.
[INFO] [stderr] error: could not compile `valora`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9ad2edb14cde496063598619e5ac2816133b63f7d548924e317fb822a723884f"`
[INFO] running `"docker" "rm" "-f" "9ad2edb14cde496063598619e5ac2816133b63f7d548924e317fb822a723884f"`
[INFO] [stdout] 9ad2edb14cde496063598619e5ac2816133b63f7d548924e317fb822a723884f