[INFO] cloning repository https://github.com/pondodev/chip8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pondodev/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpondodev%2Fchip8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpondodev%2Fchip8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 807fe7174694fb563cb46f782d27b8e2df9dcf50
[INFO] checking pondodev/chip8-rust against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpondodev%2Fchip8-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pondodev/chip8-rust
[INFO] finished tweaking git repo https://github.com/pondodev/chip8-rust
[INFO] tweaked toml for git repo https://github.com/pondodev/chip8-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pondodev/chip8-rust on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pondodev/chip8-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:51
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                   ----^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                                    ----^^^^^^^^^^
[INFO] [stdout]    |                                                                    |
[INFO] [stdout]    |                                                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut vertices: Vec<Vertex> = vec![];
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut indices: Vec<u16> = vec![];
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:33
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let (vertex_buffer, mut slice) = factory.create_vertex_buffer_with_slice(&vertices, &*indices);
[INFO] [stdout]    |                                 ----^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let mut data = pipe::Data {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]   --> src/main.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let white = colour::Colour::new(255, 255, 255);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_depth`
[INFO] [stdout]   --> src/main.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `screen_width`, `screen_height`, and `buffer` are never read
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Platform {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 116 |     screen_width: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 117 |     screen_height: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 118 |     buffer: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stdout]  --> src/colour.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Colour {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     red: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     green: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     blue: u8
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_array` is never used
[INFO] [stdout]   --> src/colour.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Colour {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_array(&self) -> [f32; 3] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:51
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                   ----^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                                    ----^^^^^^^^^^
[INFO] [stdout]    |                                                                    |
[INFO] [stdout]    |                                                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut vertices: Vec<Vertex> = vec![];
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut indices: Vec<u16> = vec![];
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:33
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let (vertex_buffer, mut slice) = factory.create_vertex_buffer_with_slice(&vertices, &*indices);
[INFO] [stdout]    |                                 ----^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let mut data = pipe::Data {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]   --> src/main.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let white = colour::Colour::new(255, 255, 255);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_depth`
[INFO] [stdout]   --> src/main.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (window, mut device, mut factory, mut main_colour, mut main_depth) =
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `screen_width`, `screen_height`, and `buffer` are never read
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Platform {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 116 |     screen_width: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 117 |     screen_height: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 118 |     buffer: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stdout]  --> src/colour.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Colour {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     red: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     green: u8,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     blue: u8
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_array` is never used
[INFO] [stdout]   --> src/colour.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Colour {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_array(&self) -> [f32; 3] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0, bitflags v0.8.2, glutin v0.8.1, winit v0.6.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5", kill_on_drop: false }`
[INFO] [stdout] c89fa7ef63758c934965747196e26ef2cae0ed017b39da0c901e7b9c9c65c4a5
