[INFO] cloning repository https://github.com/neto2000/rust-musicplayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neto2000/rust-musicplayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Frust-musicplayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Frust-musicplayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aef30b535da9b60398ef7962dcd6232025d05cb
[INFO] checking neto2000/rust-musicplayer against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Frust-musicplayer" "/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/neto2000/rust-musicplayer
[INFO] finished tweaking git repo https://github.com/neto2000/rust-musicplayer
[INFO] tweaked toml for git repo https://github.com/neto2000/rust-musicplayer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neto2000/rust-musicplayer on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neto2000/rust-musicplayer 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ogg_pager v0.5.0
[INFO] [stderr]   Downloaded winnow v0.5.14
[INFO] [stderr]   Downloaded lofty_attr v0.9.0
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded lofty v0.15.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af43f665d7e06ccf9833d39db819918efe32109a54982f75c45b568e13a63544
[INFO] running `Command { std: "docker" "start" "-a" "af43f665d7e06ccf9833d39db819918efe32109a54982f75c45b568e13a63544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af43f665d7e06ccf9833d39db819918efe32109a54982f75c45b568e13a63544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af43f665d7e06ccf9833d39db819918efe32109a54982f75c45b568e13a63544", kill_on_drop: false }`
[INFO] [stdout] af43f665d7e06ccf9833d39db819918efe32109a54982f75c45b568e13a63544
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b12bd2443ab051e6499bc08a93e017049d2821a5cd3163745bb2d9837e8220bb
[INFO] running `Command { std: "docker" "start" "-a" "b12bd2443ab051e6499bc08a93e017049d2821a5cd3163745bb2d9837e8220bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking ogg_pager v0.5.0
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking symphonia-metadata v0.5.3
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking symphonia v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rodio v0.17.1
[INFO] [stderr]    Compiling lofty_attr v0.9.0
[INFO] [stderr]     Checking lofty v0.15.0
[INFO] [stderr]     Checking rust-musicplayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/sound.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | let VOLUME_FACTOR: f32 = 0.1; 
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::source::Source`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rodio::source::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/sound.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | let VOLUME_FACTOR: f32 = 0.1; 
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/display.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for i in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columns`
[INFO] [stdout]    --> src/display.rs:152:14
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/display.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut origin;
[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/display.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut dimension;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/display.rs:266:24
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let (_columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::source::Source`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rodio::source::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let mut row = row as u16;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-musicplayer` (bin "rust-musicplayer" test) due to 1 previous error; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/display.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for i in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columns`
[INFO] [stdout]    --> src/display.rs:152:14
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/display.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut origin;
[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/display.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut dimension;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/display.rs:266:24
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let (_columns, rows) = termion::terminal_size().unwrap();
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/display.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let mut row = row as u16;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-musicplayer` (bin "rust-musicplayer") due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b12bd2443ab051e6499bc08a93e017049d2821a5cd3163745bb2d9837e8220bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12bd2443ab051e6499bc08a93e017049d2821a5cd3163745bb2d9837e8220bb", kill_on_drop: false }`
[INFO] [stdout] b12bd2443ab051e6499bc08a93e017049d2821a5cd3163745bb2d9837e8220bb
