[INFO] cloning repository https://github.com/cmsd2/ted
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmsd2/ted" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmsd2%2Fted", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmsd2%2Fted'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d50db43b80179cb380b554ee5e7dd7ed69af8347
[INFO] testing cmsd2/ted against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmsd2%2Fted" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmsd2/ted on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cmsd2/ted
[INFO] finished tweaking git repo https://github.com/cmsd2/ted
[INFO] tweaked toml for git repo https://github.com/cmsd2/ted written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cmsd2/ted already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-input v0.28.0
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.49.0
[INFO] [stderr]   Downloaded gfx_core v0.9.1
[INFO] [stderr]   Downloaded khronos_api v3.1.0
[INFO] [stderr]   Downloaded gl_generator v0.10.0
[INFO] [stderr]   Downloaded piston v0.49.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded gfx v0.18.1
[INFO] [stderr]   Downloaded piston2d-graphics v0.34.0
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded piston-texture v0.7.0
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded gl v0.11.0
[INFO] [stderr]   Downloaded glfw-sys v3.3.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.68.0
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded pistoncore-window v0.44.0
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded autocfg v0.1.6
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded image v0.22.1
[INFO] [stderr]   Downloaded khronos_api v2.2.0
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded pistoncore-glfw_window v0.60.0
[INFO] [stderr]   Downloaded glfw v0.31.0
[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763fd900b98c92503f295caf4e9b17b1acea8c7a5280446ba6c2cc7d649a0f2e
[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" "763fd900b98c92503f295caf4e9b17b1acea8c7a5280446ba6c2cc7d649a0f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763fd900b98c92503f295caf4e9b17b1acea8c7a5280446ba6c2cc7d649a0f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763fd900b98c92503f295caf4e9b17b1acea8c7a5280446ba6c2cc7d649a0f2e", kill_on_drop: false }`
[INFO] [stdout] 763fd900b98c92503f295caf4e9b17b1acea8c7a5280446ba6c2cc7d649a0f2e
[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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7cae5d82bb177a7a02b0db799ef8dabcdc26ed586dc5ec4bc8fb8931e47f584
[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" "a7cae5d82bb177a7a02b0db799ef8dabcdc26ed586dc5ec4bc8fb8931e47f584", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling piston-texture v0.7.0
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling glfw-sys v3.3.0
[INFO] [stderr]    Compiling gfx_core v0.9.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling piston2d-graphics v0.34.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling glfw v0.31.0
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling gfx v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.68.0
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling pistoncore-glfw_window v0.60.0
[INFO] [stderr]    Compiling piston v0.49.0
[INFO] [stderr]    Compiling hello-piston v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `piston::input::keyboard::ModifierKey`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use piston::input::keyboard::ModifierKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::Graphics`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use graphics::Graphics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::context::Context`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use graphics::context::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `FontSize`
[INFO] [stdout]   --> src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use graphics::types::{Color, FontSize};
[INFO] [stdout]    |                       ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pos`
[INFO] [stdout]   --> src/app.rs:12:47
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::grid::{Drawable, View, Grid, Size, Pos};
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Commands`
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | use commands::{Commands};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `View`
[INFO] [stdout]   --> src/main.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | use grid::{Drawable, View};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::character::CharacterCache`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use graphics::character::CharacterCache;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Drawable`
[INFO] [stdout]   --> src/main.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | use grid::{Drawable, View};
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut view = Rc::new(RefCell::new(View::new(grid.clone(), pos, size).boxed()));
[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: associated function is never used: `remove`
[INFO] [stdout]   --> src/chords.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn remove<'a, K>(&mut self, keys: K) where K: IntoIterator<Item=&'a ChordKey> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/chords.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RED`
[INFO] [stdout]    --> src/app.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         const RED:   [f32; 4] = [1.0, 0.0, 0.0, 1.0];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grid_size`
[INFO] [stdout]    --> src/app.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn grid_size(&self) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "a7cae5d82bb177a7a02b0db799ef8dabcdc26ed586dc5ec4bc8fb8931e47f584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cae5d82bb177a7a02b0db799ef8dabcdc26ed586dc5ec4bc8fb8931e47f584", kill_on_drop: false }`
[INFO] [stdout] a7cae5d82bb177a7a02b0db799ef8dabcdc26ed586dc5ec4bc8fb8931e47f584
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c4d4ce027cc74d10a5bea94049eee71455c18201231e48aafd05b021220310
[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" "46c4d4ce027cc74d10a5bea94049eee71455c18201231e48aafd05b021220310", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-piston v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `piston::input::keyboard::ModifierKey`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use piston::input::keyboard::ModifierKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::Graphics`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use graphics::Graphics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::context::Context`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use graphics::context::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `FontSize`
[INFO] [stdout]   --> src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use graphics::types::{Color, FontSize};
[INFO] [stdout]    |                       ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pos`
[INFO] [stdout]   --> src/app.rs:12:47
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::grid::{Drawable, View, Grid, Size, Pos};
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Commands`
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | use commands::{Commands};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `View`
[INFO] [stdout]   --> src/main.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | use grid::{Drawable, View};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::character::CharacterCache`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use graphics::character::CharacterCache;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Drawable`
[INFO] [stdout]   --> src/main.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | use grid::{Drawable, View};
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut view = Rc::new(RefCell::new(View::new(grid.clone(), pos, size).boxed()));
[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: associated function is never used: `remove`
[INFO] [stdout]   --> src/chords.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn remove<'a, K>(&mut self, keys: K) where K: IntoIterator<Item=&'a ChordKey> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/chords.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RED`
[INFO] [stdout]    --> src/app.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         const RED:   [f32; 4] = [1.0, 0.0, 0.0, 1.0];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grid_size`
[INFO] [stdout]    --> src/app.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn grid_size(&self) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "46c4d4ce027cc74d10a5bea94049eee71455c18201231e48aafd05b021220310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c4d4ce027cc74d10a5bea94049eee71455c18201231e48aafd05b021220310", kill_on_drop: false }`
[INFO] [stdout] 46c4d4ce027cc74d10a5bea94049eee71455c18201231e48aafd05b021220310
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90b032cab22769fc234db698c95810ffc94c7ddc95e9e8c0fee634cbebae0f0b
[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" "90b032cab22769fc234db698c95810ffc94c7ddc95e9e8c0fee634cbebae0f0b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `piston::input::keyboard::ModifierKey`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use piston::input::keyboard::ModifierKey;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::Graphics`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use graphics::Graphics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::context::Context`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use graphics::context::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `FontSize`
[INFO] [stderr]   --> src/main.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use graphics::types::{Color, FontSize};
[INFO] [stderr]    |                       ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pos`
[INFO] [stderr]   --> src/app.rs:12:47
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::grid::{Drawable, View, Grid, Size, Pos};
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Commands`
[INFO] [stderr]   --> src/main.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 | use commands::{Commands};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `View`
[INFO] [stderr]   --> src/main.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 | use grid::{Drawable, View};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::character::CharacterCache`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use graphics::character::CharacterCache;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Drawable`
[INFO] [stderr]   --> src/main.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | use grid::{Drawable, View};
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/app.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 let mut view = Rc::new(RefCell::new(View::new(grid.clone(), pos, size).boxed()));
[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: associated function is never used: `remove`
[INFO] [stderr]   --> src/chords.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn remove<'a, K>(&mut self, keys: K) where K: IntoIterator<Item=&'a ChordKey> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/chords.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RED`
[INFO] [stderr]    --> src/app.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         const RED:   [f32; 4] = [1.0, 0.0, 0.0, 1.0];
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `grid_size`
[INFO] [stderr]    --> src/app.rs:220:8
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn grid_size(&self) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_piston-15e34f0291a7de9b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test euclid::tests::test_euclid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90b032cab22769fc234db698c95810ffc94c7ddc95e9e8c0fee634cbebae0f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b032cab22769fc234db698c95810ffc94c7ddc95e9e8c0fee634cbebae0f0b", kill_on_drop: false }`
[INFO] [stdout] 90b032cab22769fc234db698c95810ffc94c7ddc95e9e8c0fee634cbebae0f0b
