[INFO] fetching crate ukiyoe 0.0.0...
[INFO] checking ukiyoe-0.0.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate ukiyoe 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ukiyoe 0.0.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ukiyoe 0.0.0
[INFO] finished tweaking crates.io crate ukiyoe 0.0.0
[INFO] tweaked toml for crates.io crate ukiyoe 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a5b96798a2cbe1bfd054f4c8c75e891e821bd9824cce97e7c7cf37fd68766f1
[INFO] running `Command { std: "docker" "start" "-a" "1a5b96798a2cbe1bfd054f4c8c75e891e821bd9824cce97e7c7cf37fd68766f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5b96798a2cbe1bfd054f4c8c75e891e821bd9824cce97e7c7cf37fd68766f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5b96798a2cbe1bfd054f4c8c75e891e821bd9824cce97e7c7cf37fd68766f1", kill_on_drop: false }`
[INFO] [stdout] 1a5b96798a2cbe1bfd054f4c8c75e891e821bd9824cce97e7c7cf37fd68766f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc31a632d3e43d37b2bfd50d281979430219c444c629ce6ed95d200526d94816
[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" "dc31a632d3e43d37b2bfd50d281979430219c444c629ce6ed95d200526d94816", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling pathfinder_resources v0.5.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking stretch v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking pathfinder_color v0.5.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking pathfinder_gpu v0.5.0
[INFO] [stderr]     Checking pathfinder_content v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking pathfinder_ui v0.5.0
[INFO] [stderr]     Checking pathfinder_gl v0.5.0
[INFO] [stderr]     Checking pathfinder_renderer v0.5.0
[INFO] [stderr]     Checking pathfinder_canvas v0.5.0
[INFO] [stderr]     Checking ukiyoe v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path2D`
[INFO] [stdout]  --> src/lib.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pathfinder_canvas::{Canvas, CanvasFontContext, Path2D};
[INFO] [stdout]   |                                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     children:Vec<Box<UIControl>>,
[INFO] [stdout]    |                      ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:54:40
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn add_child(&mut self, child: Box<UIControl>);
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:77:43
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn add_child(&mut self, mut child:Box<UIControl>) {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path2D`
[INFO] [stdout]  --> src/lib.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pathfinder_canvas::{Canvas, CanvasFontContext, Path2D};
[INFO] [stdout]   |                                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     children:Vec<Box<UIControl>>,
[INFO] [stdout]    |                      ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:54:40
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn add_child(&mut self, child: Box<UIControl>);
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:77:43
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn add_child(&mut self, mut child:Box<UIControl>) {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn UIControl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stretch`
[INFO] [stdout]   --> src/lib.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(text:&str) -> Self {let mut stretch = stretch::node::Stretch::new();
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stretch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let s = self.window_size.to_f32();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(text:&str) -> Self {let mut stretch = stretch::node::Stretch::new();
[INFO] [stdout]    |                                        ----^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn add_child(&mut self, mut child:Box<UIControl>) {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stretch`
[INFO] [stdout]   --> src/lib.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(text:&str) -> Self {let mut stretch = stretch::node::Stretch::new();
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stretch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let s = self.window_size.to_f32();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(text:&str) -> Self {let mut stretch = stretch::node::Stretch::new();
[INFO] [stdout]    |                                        ----^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn add_child(&mut self, mut child:Box<UIControl>) {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gl_context`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     gl_context:sdl2::video::GLContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     text:String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gl_context`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     gl_context:sdl2::video::GLContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     text:String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         dbg!(self.layout_manager.as_ref().borrow().layout(self.layout_node.unwrap()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         dbg!(self.layout_manager.as_ref().borrow().layout(self.layout_node.unwrap()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.22s
[INFO] running `Command { std: "docker" "inspect" "dc31a632d3e43d37b2bfd50d281979430219c444c629ce6ed95d200526d94816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc31a632d3e43d37b2bfd50d281979430219c444c629ce6ed95d200526d94816", kill_on_drop: false }`
[INFO] [stdout] dc31a632d3e43d37b2bfd50d281979430219c444c629ce6ed95d200526d94816
