[INFO] cloning repository https://github.com/snailmusic/lpsq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snailmusic/lpsq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnailmusic%2Flpsq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnailmusic%2Flpsq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eadc16e4e33748ff40876142936f35557ffc5dd0
[INFO] checking snailmusic/lpsq 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%2Fsnailmusic%2Flpsq" "/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/snailmusic/lpsq
[INFO] finished tweaking git repo https://github.com/snailmusic/lpsq
[INFO] tweaked toml for git repo https://github.com/snailmusic/lpsq written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snailmusic/lpsq 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/snailmusic/lpsq 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6b43b9a60e52901a6b2a2725f8574721eeb3ea5c62313c928ca0a322462e1dbf
[INFO] running `Command { std: "docker" "start" "-a" "6b43b9a60e52901a6b2a2725f8574721eeb3ea5c62313c928ca0a322462e1dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b43b9a60e52901a6b2a2725f8574721eeb3ea5c62313c928ca0a322462e1dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b43b9a60e52901a6b2a2725f8574721eeb3ea5c62313c928ca0a322462e1dbf", kill_on_drop: false }`
[INFO] [stdout] 6b43b9a60e52901a6b2a2725f8574721eeb3ea5c62313c928ca0a322462e1dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 448e7fee6b6fec35105ea36202a031f1e07fd636d6bdb07b52ca3e51cda07b75
[INFO] running `Command { std: "docker" "start" "-a" "448e7fee6b6fec35105ea36202a031f1e07fd636d6bdb07b52ca3e51cda07b75", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking midir v0.9.1
[INFO] [stderr]     Checking midir v0.10.1
[INFO] [stderr]     Checking launchy v0.3.1
[INFO] [stderr]     Checking lpsq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 if (*age == 0usize) {
[INFO] [stdout]     |                    ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 if (*age == 0usize) {
[INFO] [stdout] 233 +                 if *age == 0usize  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:306:12
[INFO] [stdout]     |
[INFO] [stdout] 306 |         if (step.gate) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -         if (step.gate) {
[INFO] [stdout] 306 +         if step.gate  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |         if (step.gate) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 330 -         if (step.gate) {
[INFO] [stdout] 330 +         if step.gate  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 if (*age == 0usize) {
[INFO] [stdout]     |                    ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 if (*age == 0usize) {
[INFO] [stdout] 233 +                 if *age == 0usize  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:306:12
[INFO] [stdout]     |
[INFO] [stdout] 306 |         if (step.gate) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -         if (step.gate) {
[INFO] [stdout] 306 +         if step.gate  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |         if (step.gate) {
[INFO] [stdout]     |            ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 330 -         if (step.gate) {
[INFO] [stdout] 330 +         if step.gate  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn display_velocity(state: &AppState, output: &mut Output) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/main.rs:371:39
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn display_velocity(state: &AppState, output: &mut Output) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Velocity` is never constructed
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Screen {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Velocity,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Screen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Aeolian` is never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum Scale {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 39 |     Ionian,
[INFO] [stdout] 40 |     Aeolian,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/main.rs:310:24
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     y: (7 - step.octave).try_into()?,
[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<u8, Infallible>
[INFO] [stdout]    --> src/main.rs:310:24
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     y: (7 - step.octave).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/main.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     y: (7 - step.deg).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/main.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     y: (7 - step.deg).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lpsq` (bin "lpsq") due to 4 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn display_velocity(state: &AppState, output: &mut Output) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/main.rs:371:39
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn display_velocity(state: &AppState, output: &mut Output) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Velocity` is never constructed
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Screen {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Velocity,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Screen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Aeolian` is never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum Scale {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 39 |     Ionian,
[INFO] [stdout] 40 |     Aeolian,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/main.rs:310:24
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     y: (7 - step.octave).try_into()?,
[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<u8, Infallible>
[INFO] [stdout]    --> src/main.rs:310:24
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     y: (7 - step.octave).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/main.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     y: (7 - step.deg).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/main.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     y: (7 - step.deg).try_into()?,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lpsq` (bin "lpsq" test) due to 4 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "448e7fee6b6fec35105ea36202a031f1e07fd636d6bdb07b52ca3e51cda07b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448e7fee6b6fec35105ea36202a031f1e07fd636d6bdb07b52ca3e51cda07b75", kill_on_drop: false }`
[INFO] [stdout] 448e7fee6b6fec35105ea36202a031f1e07fd636d6bdb07b52ca3e51cda07b75
