[INFO] cloning repository https://github.com/kennoath/boids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennoath/boids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fboids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fboids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34e26cfc2d53363fb477a3b773caa95899d8ff9d
[INFO] testing kennoath/boids against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fboids" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennoath/boids on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennoath/boids
[INFO] finished tweaking git repo https://github.com/kennoath/boids
[INFO] tweaked toml for git repo https://github.com/kennoath/boids written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kennoath/boids 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stdout] 545c20783f2f9813fe78f38af02ab3740fe83e761873699213c6bb6bf08ece07
[INFO] running `Command { std: "docker" "start" "-a" "545c20783f2f9813fe78f38af02ab3740fe83e761873699213c6bb6bf08ece07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545c20783f2f9813fe78f38af02ab3740fe83e761873699213c6bb6bf08ece07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545c20783f2f9813fe78f38af02ab3740fe83e761873699213c6bb6bf08ece07", kill_on_drop: false }`
[INFO] [stdout] 545c20783f2f9813fe78f38af02ab3740fe83e761873699213c6bb6bf08ece07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d0a25d593c388a0d7fb57e27305ab2e148727904c51cd7d0e133fb49852b2c
[INFO] running `Command { std: "docker" "start" "-a" "32d0a25d593c388a0d7fb57e27305ab2e148727904c51cd7d0e133fb49852b2c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling wayland-egl v0.29.5
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[INFO] [stderr]    Compiling glutin v0.28.0
[INFO] [stderr]    Compiling boids v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `uv1`
[INFO] [stdout]    --> src/main.rs:219:74
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...: f32, cy: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv2`
[INFO] [stdout]    --> src/main.rs:219:83
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv3`
[INFO] [stdout]    --> src/main.rs:219:92
[INFO] [stdout]     |
[INFO] [stdout] 219 | ... f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv4`
[INFO] [stdout]    --> src/main.rs:219:101
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/main.rs:219:110
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/main.rs:219:134
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:289:64
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn put_string_centered(&mut self, s: &str, mut x: f32, mut y: f32, cw: f32, ch: f32, depth: f32, colour: V4) {
[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: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let t = o.sounds[idx].elapsed;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prod`
[INFO] [stdout]    --> src/main.rs:465:18
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_acc`
[INFO] [stdout]    --> src/main.rs:678:33
[INFO] [stdout]     |
[INFO] [stdout] 678 |                         let mut n_acc = 0;
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_n_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx_acc`
[INFO] [stdout]    --> src/main.rs:679:33
[INFO] [stdout]     |
[INFO] [stdout] 679 |                         let mut rx_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ry_acc`
[INFO] [stdout]    --> src/main.rs:680:33
[INFO] [stdout]     |
[INFO] [stdout] 680 |                         let mut ry_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ry_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_acc`
[INFO] [stdout]    --> src/main.rs:681:33
[INFO] [stdout]     |
[INFO] [stdout] 681 |                         let mut s_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_s_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:678:29
[INFO] [stdout]     |
[INFO] [stdout] 678 |                         let mut n_acc = 0;
[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:679:29
[INFO] [stdout]     |
[INFO] [stdout] 679 |                         let mut rx_acc = 0.0;
[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:680:29
[INFO] [stdout]     |
[INFO] [stdout] 680 |                         let mut ry_acc = 0.0;
[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:681:29
[INFO] [stdout]     |
[INFO] [stdout] 681 |                         let mut s_acc = 0.0;
[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:465:14
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[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:465:24
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains`, `point_within`, `point_without`, and `fit_aspect` are never used
[INFO] [stdout]    --> src/main.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl V4 {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn contains(&self, p: V2) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn point_within(&self, p: V2) -> V2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn point_without(&self, p: V2) -> V2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn fit_aspect(&self, a: f32) -> V4 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `birthtime` is never read
[INFO] [stdout]    --> src/main.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub struct Sound {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 361 |     birthtime: f32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sound` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "32d0a25d593c388a0d7fb57e27305ab2e148727904c51cd7d0e133fb49852b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d0a25d593c388a0d7fb57e27305ab2e148727904c51cd7d0e133fb49852b2c", kill_on_drop: false }`
[INFO] [stdout] 32d0a25d593c388a0d7fb57e27305ab2e148727904c51cd7d0e133fb49852b2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c103e528309f726f907396051e99e31f8e73c53a7084840218f5417a18b10089
[INFO] running `Command { std: "docker" "start" "-a" "c103e528309f726f907396051e99e31f8e73c53a7084840218f5417a18b10089", kill_on_drop: false }`
[INFO] [stderr]    Compiling boids v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `uv1`
[INFO] [stdout]    --> src/main.rs:219:74
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...: f32, cy: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv2`
[INFO] [stdout]    --> src/main.rs:219:83
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv3`
[INFO] [stdout]    --> src/main.rs:219:92
[INFO] [stdout]     |
[INFO] [stdout] 219 | ... f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uv4`
[INFO] [stdout]    --> src/main.rs:219:101
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/main.rs:219:110
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/main.rs:219:134
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:289:64
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn put_string_centered(&mut self, s: &str, mut x: f32, mut y: f32, cw: f32, ch: f32, depth: f32, colour: V4) {
[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: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let t = o.sounds[idx].elapsed;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prod`
[INFO] [stdout]    --> src/main.rs:465:18
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_acc`
[INFO] [stdout]    --> src/main.rs:678:33
[INFO] [stdout]     |
[INFO] [stdout] 678 |                         let mut n_acc = 0;
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_n_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx_acc`
[INFO] [stdout]    --> src/main.rs:679:33
[INFO] [stdout]     |
[INFO] [stdout] 679 |                         let mut rx_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ry_acc`
[INFO] [stdout]    --> src/main.rs:680:33
[INFO] [stdout]     |
[INFO] [stdout] 680 |                         let mut ry_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ry_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_acc`
[INFO] [stdout]    --> src/main.rs:681:33
[INFO] [stdout]     |
[INFO] [stdout] 681 |                         let mut s_acc = 0.0;
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_s_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:678:29
[INFO] [stdout]     |
[INFO] [stdout] 678 |                         let mut n_acc = 0;
[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:679:29
[INFO] [stdout]     |
[INFO] [stdout] 679 |                         let mut rx_acc = 0.0;
[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:680:29
[INFO] [stdout]     |
[INFO] [stdout] 680 |                         let mut ry_acc = 0.0;
[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:681:29
[INFO] [stdout]     |
[INFO] [stdout] 681 |                         let mut s_acc = 0.0;
[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:465:14
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[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:465:24
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains`, `point_within`, `point_without`, and `fit_aspect` are never used
[INFO] [stdout]    --> src/main.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl V4 {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn contains(&self, p: V2) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn point_within(&self, p: V2) -> V2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn point_without(&self, p: V2) -> V2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn fit_aspect(&self, a: f32) -> V4 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `birthtime` is never read
[INFO] [stdout]    --> src/main.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub struct Sound {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 361 |     birthtime: f32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sound` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c103e528309f726f907396051e99e31f8e73c53a7084840218f5417a18b10089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c103e528309f726f907396051e99e31f8e73c53a7084840218f5417a18b10089", kill_on_drop: false }`
[INFO] [stdout] c103e528309f726f907396051e99e31f8e73c53a7084840218f5417a18b10089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f4d64024e3d418f300ed4c07a68758e59c22eb3fc9b528a45b4814de7e1e3a4
[INFO] running `Command { std: "docker" "start" "-a" "3f4d64024e3d418f300ed4c07a68758e59c22eb3fc9b528a45b4814de7e1e3a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `uv1`
[INFO] [stderr]    --> src/main.rs:219:74
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...: f32, cy: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uv2`
[INFO] [stderr]    --> src/main.rs:219:83
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...: f32, s: f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uv3`
[INFO] [stderr]    --> src/main.rs:219:92
[INFO] [stderr]     |
[INFO] [stderr] 219 | ... f32, r: f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uv4`
[INFO] [stderr]    --> src/main.rs:219:101
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...f32, uv1: V2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_uv4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]    --> src/main.rs:219:110
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...2, uv2: V2, uv3: V2, uv4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/main.rs:219:134
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...4: V2, depth: f32, colour: V4, mode: u32) {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:289:64
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub fn put_string_centered(&mut self, s: &str, mut x: f32, mut y: f32, cw: f32, ch: f32, depth: f32, colour: V4) {
[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: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let t = o.sounds[idx].elapsed;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prod`
[INFO] [stderr]    --> src/main.rs:465:18
[INFO] [stderr]     |
[INFO] [stderr] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prod`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_acc`
[INFO] [stderr]    --> src/main.rs:678:33
[INFO] [stderr]     |
[INFO] [stderr] 678 |                         let mut n_acc = 0;
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_n_acc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx_acc`
[INFO] [stderr]    --> src/main.rs:679:33
[INFO] [stderr]     |
[INFO] [stderr] 679 |                         let mut rx_acc = 0.0;
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_acc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ry_acc`
[INFO] [stderr]    --> src/main.rs:680:33
[INFO] [stderr]     |
[INFO] [stderr] 680 |                         let mut ry_acc = 0.0;
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ry_acc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s_acc`
[INFO] [stderr]    --> src/main.rs:681:33
[INFO] [stderr]     |
[INFO] [stderr] 681 |                         let mut s_acc = 0.0;
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_s_acc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:678:29
[INFO] [stderr]     |
[INFO] [stderr] 678 |                         let mut n_acc = 0;
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:679:29
[INFO] [stderr]     |
[INFO] [stderr] 679 |                         let mut rx_acc = 0.0;
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:680:29
[INFO] [stderr]     |
[INFO] [stderr] 680 |                         let mut ry_acc = 0.0;
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:681:29
[INFO] [stderr]     |
[INFO] [stderr] 681 |                         let mut s_acc = 0.0;
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:465:14
[INFO] [stderr]     |
[INFO] [stderr] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]     |              ----^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:465:24
[INFO] [stderr]     |
[INFO] [stderr] 465 |         let (mut prod, mut cons) = rb.split();
[INFO] [stderr]     |                        ----^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `contains`, `point_within`, `point_without`, and `fit_aspect` are never used
[INFO] [stderr]    --> src/main.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 116 | impl V4 {
[INFO] [stderr]     | ------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 147 |     fn contains(&self, p: V2) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 150 |     fn point_within(&self, p: V2) -> V2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     fn point_without(&self, p: V2) -> V2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 156 |     fn fit_aspect(&self, a: f32) -> V4 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `birthtime` is never read
[INFO] [stderr]    --> src/main.rs:361:5
[INFO] [stderr]     |
[INFO] [stderr] 358 | pub struct Sound {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 361 |     birthtime: f32,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Sound` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `boids` (bin "boids" test) generated 21 warnings (run `cargo fix --bin "boids" --tests` to apply 19 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boids-8dc2c5ccfd701099)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f4d64024e3d418f300ed4c07a68758e59c22eb3fc9b528a45b4814de7e1e3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4d64024e3d418f300ed4c07a68758e59c22eb3fc9b528a45b4814de7e1e3a4", kill_on_drop: false }`
[INFO] [stdout] 3f4d64024e3d418f300ed4c07a68758e59c22eb3fc9b528a45b4814de7e1e3a4
