[INFO] cloning repository https://github.com/goksgie/rs-spotify-polybar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goksgie/rs-spotify-polybar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoksgie%2Frs-spotify-polybar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoksgie%2Frs-spotify-polybar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451c56701fc414c27c85e9308922dc205655d287
[INFO] checking goksgie/rs-spotify-polybar 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%2Fgoksgie%2Frs-spotify-polybar" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/goksgie/rs-spotify-polybar
[INFO] finished tweaking git repo https://github.com/goksgie/rs-spotify-polybar
[INFO] tweaked toml for git repo https://github.com/goksgie/rs-spotify-polybar written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goksgie/rs-spotify-polybar 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/goksgie/rs-spotify-polybar 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1286ce74935c8797b815e6713f02b7f0f8eb6c12615da4b952ea24f685413881
[INFO] running `Command { std: "docker" "start" "-a" "1286ce74935c8797b815e6713f02b7f0f8eb6c12615da4b952ea24f685413881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1286ce74935c8797b815e6713f02b7f0f8eb6c12615da4b952ea24f685413881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1286ce74935c8797b815e6713f02b7f0f8eb6c12615da4b952ea24f685413881", kill_on_drop: false }`
[INFO] [stdout] 1286ce74935c8797b815e6713f02b7f0f8eb6c12615da4b952ea24f685413881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 60399da35c82db47b18196bb52b79dad7a6c7b3abcdb4b2fd50ad8c3846ee004
[INFO] running `Command { std: "docker" "start" "-a" "60399da35c82db47b18196bb52b79dad7a6c7b3abcdb4b2fd50ad8c3846ee004", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.9.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking rs_spotify_status v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let socket = UdpSocket::bind(local_host);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ICON_PREVIOUS` is never used
[INFO] [stdout]   --> src/utils.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static ICON_PREVIOUS: &str = " ";
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ICON_NEXT` is never used
[INFO] [stdout]   --> src/utils.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub static ICON_NEXT: &str = " ";
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:55:47
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn create_proxy_for_spotify(conn_session: &Connection) -> Option<Proxy<&Connection>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                               |                      |     |
[INFO] [stdout]    |                                               |                      |     the same lifetime is elided here
[INFO] [stdout]    |                                               |                      the same lifetime is hidden here
[INFO] [stdout]    |                                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn create_proxy_for_spotify(conn_session: &Connection) -> Option<Proxy<'_, &Connection>> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     action: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs_spotify_status` (bin "rs_spotify_status" test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let socket = UdpSocket::bind(local_host);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ICON_PREVIOUS` is never used
[INFO] [stdout]   --> src/utils.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static ICON_PREVIOUS: &str = " ";
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ICON_NEXT` is never used
[INFO] [stdout]   --> src/utils.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub static ICON_NEXT: &str = " ";
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:55:47
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn create_proxy_for_spotify(conn_session: &Connection) -> Option<Proxy<&Connection>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                               |                      |     |
[INFO] [stdout]    |                                               |                      |     the same lifetime is elided here
[INFO] [stdout]    |                                               |                      the same lifetime is hidden here
[INFO] [stdout]    |                                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn create_proxy_for_spotify(conn_session: &Connection) -> Option<Proxy<'_, &Connection>> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     action: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs_spotify_status` (bin "rs_spotify_status") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "60399da35c82db47b18196bb52b79dad7a6c7b3abcdb4b2fd50ad8c3846ee004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60399da35c82db47b18196bb52b79dad7a6c7b3abcdb4b2fd50ad8c3846ee004", kill_on_drop: false }`
[INFO] [stdout] 60399da35c82db47b18196bb52b79dad7a6c7b3abcdb4b2fd50ad8c3846ee004
