[INFO] cloning repository https://github.com/Akasiek/knob_rocker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akasiek/knob_rocker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkasiek%2Fknob_rocker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkasiek%2Fknob_rocker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c9f0aaa6367f2c5fbb5f666654c6e5eed3fa10
[INFO] checking Akasiek/knob_rocker against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkasiek%2Fknob_rocker" "/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/Akasiek/knob_rocker
[INFO] finished tweaking git repo https://github.com/Akasiek/knob_rocker
[INFO] tweaked toml for git repo https://github.com/Akasiek/knob_rocker written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akasiek/knob_rocker on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akasiek/knob_rocker 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfd1631d4b523b8149e4e1d7573e20f4242eb1ecdf74cdebcc07aaf30c2a62fa
[INFO] running `Command { std: "docker" "start" "-a" "dfd1631d4b523b8149e4e1d7573e20f4242eb1ecdf74cdebcc07aaf30c2a62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd1631d4b523b8149e4e1d7573e20f4242eb1ecdf74cdebcc07aaf30c2a62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd1631d4b523b8149e4e1d7573e20f4242eb1ecdf74cdebcc07aaf30c2a62fa", kill_on_drop: false }`
[INFO] [stdout] dfd1631d4b523b8149e4e1d7573e20f4242eb1ecdf74cdebcc07aaf30c2a62fa
[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" "-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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df0dd372a76ca0ec73aa142d60d8dc0e093e39fc8b717e78f8e82e23ccd89c6
[INFO] running `Command { std: "docker" "start" "-a" "7df0dd372a76ca0ec73aa142d60d8dc0e093e39fc8b717e78f8e82e23ccd89c6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/tray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Cursor;
[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: `volume`
[INFO] [stdout]  --> src/volume.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Message, volume};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/tray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Cursor;
[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: `volume`
[INFO] [stdout]  --> src/volume.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Message, volume};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/windows.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |         return;
[INFO] [stdout]   |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 9 |     info!("Authenticated with Spotify successfully. Hiding console window.");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   = note: this warning originates in the macro `$crate::log` which comes from the expansion of the macro `info` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/windows.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |         return;
[INFO] [stdout]    |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 22 |     info!("Showing console window.");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::log` which comes from the expansion of the macro `info` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/windows.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/windows.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |         return;
[INFO] [stdout]   |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 9 |     info!("Authenticated with Spotify successfully. Hiding console window.");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   = note: this warning originates in the macro `$crate::log` which comes from the expansion of the macro `info` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/windows.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/windows.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |         return;
[INFO] [stdout]    |         ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 22 |     info!("Showing console window.");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::log` which comes from the expansion of the macro `info` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hide_console_window_after_auth` is never used
[INFO] [stdout]   --> src/spotify.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub async fn hide_console_window_after_auth() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_spotify_auth` is never used
[INFO] [stdout]  --> src/spotify/api.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn test_spotify_auth() -> bool {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hide_console_window` is never used
[INFO] [stdout]  --> src/windows.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hide_console_window() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_console_window` is never used
[INFO] [stdout]   --> src/windows.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn show_console_window() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/windows.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/windows.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hide_console_window_after_auth` is never used
[INFO] [stdout]   --> src/spotify.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub async fn hide_console_window_after_auth() {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_spotify_auth` is never used
[INFO] [stdout]  --> src/spotify/api.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn test_spotify_auth() -> bool {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hide_console_window` is never used
[INFO] [stdout]  --> src/windows.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hide_console_window() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_console_window` is never used
[INFO] [stdout]   --> src/windows.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn show_console_window() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "7df0dd372a76ca0ec73aa142d60d8dc0e093e39fc8b717e78f8e82e23ccd89c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df0dd372a76ca0ec73aa142d60d8dc0e093e39fc8b717e78f8e82e23ccd89c6", kill_on_drop: false }`
[INFO] [stdout] 7df0dd372a76ca0ec73aa142d60d8dc0e093e39fc8b717e78f8e82e23ccd89c6
