[INFO] cloning repository https://github.com/davidlenfesty/xmas-mapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidlenfesty/xmas-mapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlenfesty%2Fxmas-mapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlenfesty%2Fxmas-mapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86a20a2fba4556bc6248f05ab3f89d4951ccfe8a
[INFO] checking davidlenfesty/xmas-mapper against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlenfesty%2Fxmas-mapper" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidlenfesty/xmas-mapper
[INFO] finished tweaking git repo https://github.com/davidlenfesty/xmas-mapper
[INFO] tweaked toml for git repo https://github.com/davidlenfesty/xmas-mapper written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidlenfesty/xmas-mapper on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidlenfesty/xmas-mapper 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95cab3e59a931192c2c60e989accc9187b36519a9e9072cc383890b933b326df
[INFO] running `Command { std: "docker" "start" "-a" "95cab3e59a931192c2c60e989accc9187b36519a9e9072cc383890b933b326df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95cab3e59a931192c2c60e989accc9187b36519a9e9072cc383890b933b326df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cab3e59a931192c2c60e989accc9187b36519a9e9072cc383890b933b326df", kill_on_drop: false }`
[INFO] [stdout] 95cab3e59a931192c2c60e989accc9187b36519a9e9072cc383890b933b326df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361c408c03a4071ddd7a0f7807f39c70ba49532ddecd3010e8044a8256f7aed2
[INFO] running `Command { std: "docker" "start" "-a" "361c408c03a4071ddd7a0f7807f39c70ba49532ddecd3010e8044a8256f7aed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling quad-snd v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling macroquad_macro v0.1.7
[INFO] [stderr]     Checking bumpalo v3.8.0
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking audrey v0.3.0
[INFO] [stderr]     Checking fontdue v0.5.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.42
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking macroquad v0.3.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking xmas-mapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         _ => Ok(()),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 169 | /         Command::Export {
[INFO] [stdout] 170 | |             output,
[INFO] [stdout] 171 | |             common: _,
[INFO] [stdout] 172 | |             max_frames,
[INFO] [stdout] 173 | |         } => {
[INFO] [stdout]     | |_________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 177 | /         Command::View {
[INFO] [stdout] 178 | |             common: _,
[INFO] [stdout] 179 | |             rpm,
[INFO] [stdout] 180 | |             fps,
[INFO] [stdout] 181 | |         } => {
[INFO] [stdout]     | |_________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 186 |           _ => Ok(()),
[INFO] [stdout]     |           ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         _ => Ok(()),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 169 | /         Command::Export {
[INFO] [stdout] 170 | |             output,
[INFO] [stdout] 171 | |             common: _,
[INFO] [stdout] 172 | |             max_frames,
[INFO] [stdout] 173 | |         } => {
[INFO] [stdout]     | |_________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 177 | /         Command::View {
[INFO] [stdout] 178 | |             common: _,
[INFO] [stdout] 179 | |             rpm,
[INFO] [stdout] 180 | |             fps,
[INFO] [stdout] 181 | |         } => {
[INFO] [stdout]     | |_________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 186 |           _ => Ok(()),
[INFO] [stdout]     |           ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/patterns/balls.rs:252:64
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub async fn run_ball_loop(mut pattern: BallPattern, rpm: u32, fps: u32) {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ball_loop` is never used
[INFO] [stdout]    --> src/patterns/balls.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub async fn run_ball_loop(mut pattern: BallPattern, rpm: u32, fps: u32) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Green` is never constructed
[INFO] [stdout]  --> src/patterns/green.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Green {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rainbow` is never constructed
[INFO] [stdout]  --> src/patterns/rainbow.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Rainbow {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// File to write output to
[INFO] [stdout] 38 | |         output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Tree to use as model.
[INFO] [stdout] 52 | |     #[structopt(short, long, default_value = "data/mattparker_2021.csv")]
[INFO] [stdout] 53 | |     tree: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// Extra arguments to pass into pattern. Semicolon-separated key=value pairs.
[INFO] [stdout] 56 | |     #[structopt(long = "pattern-args")]
[INFO] [stdout] 57 | |     pattern_args: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/patterns/balls.rs:252:64
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub async fn run_ball_loop(mut pattern: BallPattern, rpm: u32, fps: u32) {
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmas-mapper` (bin "xmas-mapper" test) due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `run_ball_loop` is never used
[INFO] [stdout]    --> src/patterns/balls.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub async fn run_ball_loop(mut pattern: BallPattern, rpm: u32, fps: u32) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Green` is never constructed
[INFO] [stdout]  --> src/patterns/green.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Green {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rainbow` is never constructed
[INFO] [stdout]  --> src/patterns/rainbow.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Rainbow {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// File to write output to
[INFO] [stdout] 38 | |         output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Tree to use as model.
[INFO] [stdout] 52 | |     #[structopt(short, long, default_value = "data/mattparker_2021.csv")]
[INFO] [stdout] 53 | |     tree: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// Extra arguments to pass into pattern. Semicolon-separated key=value pairs.
[INFO] [stdout] 56 | |     #[structopt(long = "pattern-args")]
[INFO] [stdout] 57 | |     pattern_args: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmas-mapper` (bin "xmas-mapper") due to 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "361c408c03a4071ddd7a0f7807f39c70ba49532ddecd3010e8044a8256f7aed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361c408c03a4071ddd7a0f7807f39c70ba49532ddecd3010e8044a8256f7aed2", kill_on_drop: false }`
[INFO] [stdout] 361c408c03a4071ddd7a0f7807f39c70ba49532ddecd3010e8044a8256f7aed2
