[INFO] fetching crate mixxc 0.2.5...
[INFO] testing mixxc-0.2.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate mixxc 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mixxc 0.2.5
[INFO] finished tweaking crates.io crate mixxc 0.2.5
[INFO] tweaked toml for crates.io crate mixxc 0.2.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mixxc 0.2.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mixxc 0.2.5 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d7c43bc9b11b5b0cda6882b660e6a1d569767deabb00f9b55f2aae899b7157
[INFO] running `Command { std: "docker" "start" "-a" "33d7c43bc9b11b5b0cda6882b660e6a1d569767deabb00f9b55f2aae899b7157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d7c43bc9b11b5b0cda6882b660e6a1d569767deabb00f9b55f2aae899b7157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d7c43bc9b11b5b0cda6882b660e6a1d569767deabb00f9b55f2aae899b7157", kill_on_drop: false }`
[INFO] [stdout] 33d7c43bc9b11b5b0cda6882b660e6a1d569767deabb00f9b55f2aae899b7157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f98c482dc09953756aae06be650520dbf77ee46a6e2284a54ba646e3f6a737
[INFO] running `Command { std: "docker" "start" "-a" "d1f98c482dc09953756aae06be650520dbf77ee46a6e2284a54ba646e3f6a737", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.211
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling gio v0.20.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling cfg-expr v0.17.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.92
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling libpulse-sys v1.23.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nanorand v0.7.0
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[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.211
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling color-print-proc-macro v0.3.7
[INFO] [stderr]    Compiling tracker-macros v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling relm4-macros v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling color-print v0.3.7
[INFO] [stderr]    Compiling tracker v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling libpulse-binding v2.30.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling grass_compiler v0.13.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling argh_shared v0.1.12
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]    Compiling argh v0.1.12
[INFO] [stderr]    Compiling mixxc v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling system-deps v7.0.3
[INFO] [stderr]    Compiling glib-macros v0.20.4
[INFO] [stderr]    Compiling gtk4-macros v0.9.1
[INFO] [stderr]    Compiling glib-sys v0.20.4
[INFO] [stderr]    Compiling gobject-sys v0.20.4
[INFO] [stderr]    Compiling gio-sys v0.20.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.20.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.20.4
[INFO] [stderr]    Compiling pango-sys v0.20.4
[INFO] [stderr]    Compiling graphene-sys v0.20.4
[INFO] [stderr]    Compiling gdk4-sys v0.9.2
[INFO] [stderr]    Compiling gsk4-sys v0.9.2
[INFO] [stderr]    Compiling gtk4-sys v0.9.2
[INFO] [stderr]    Compiling glib v0.20.4
[INFO] [stderr]    Compiling cairo-rs v0.20.1
[INFO] [stderr]    Compiling graphene-rs v0.20.4
[INFO] [stderr]    Compiling gdk-pixbuf v0.20.4
[INFO] [stderr]    Compiling pango v0.20.4
[INFO] [stderr]    Compiling gdk4 v0.9.2
[INFO] [stderr]    Compiling gsk4 v0.9.2
[INFO] [stderr]    Compiling gtk4 v0.9.2
[INFO] [stderr]    Compiling relm4 v0.9.1
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/app.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn init_loading_widgets(window: Self::Root) -> Option<relm4::loading_widgets::LoadingWidgets> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/app.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let config = WM_CONFIG.get().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `margins` is never read
[INFO] [stdout]   --> src/app.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct WMConfig {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 57 |     pub anchors: Anchor,
[INFO] [stdout] 58 |     pub margins: Vec<i32>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 18s
[INFO] running `Command { std: "docker" "inspect" "d1f98c482dc09953756aae06be650520dbf77ee46a6e2284a54ba646e3f6a737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f98c482dc09953756aae06be650520dbf77ee46a6e2284a54ba646e3f6a737", kill_on_drop: false }`
[INFO] [stdout] d1f98c482dc09953756aae06be650520dbf77ee46a6e2284a54ba646e3f6a737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c021e71651b1835f32e8756e186083537d239e3bcffc5b7133c7f12317c9ce22
[INFO] running `Command { std: "docker" "start" "-a" "c021e71651b1835f32e8756e186083537d239e3bcffc5b7133c7f12317c9ce22", kill_on_drop: false }`
[INFO] [stderr]    Compiling mixxc v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/app.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn init_loading_widgets(window: Self::Root) -> Option<relm4::loading_widgets::LoadingWidgets> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/app.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let config = WM_CONFIG.get().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `margins` is never read
[INFO] [stdout]   --> src/app.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct WMConfig {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 57 |     pub anchors: Anchor,
[INFO] [stdout] 58 |     pub margins: Vec<i32>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "c021e71651b1835f32e8756e186083537d239e3bcffc5b7133c7f12317c9ce22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c021e71651b1835f32e8756e186083537d239e3bcffc5b7133c7f12317c9ce22", kill_on_drop: false }`
[INFO] [stdout] c021e71651b1835f32e8756e186083537d239e3bcffc5b7133c7f12317c9ce22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e56116c66e80f7993d158bdb9acf0ae132187f71d9c19f501c4850ffe902f03f
[INFO] running `Command { std: "docker" "start" "-a" "e56116c66e80f7993d158bdb9acf0ae132187f71d9c19f501c4850ffe902f03f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/app.rs:132:29
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn init_loading_widgets(window: Self::Root) -> Option<relm4::loading_widgets::LoadingWidgets> {
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/app.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let config = WM_CONFIG.get().unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: field `margins` is never read
[INFO] [stderr]   --> src/app.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct WMConfig {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 57 |     pub anchors: Anchor,
[INFO] [stderr] 58 |     pub margins: Vec<i32>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mixxc` (bin "mixxc" test) generated 3 warnings (run `cargo fix --bin "mixxc" -p mixxc --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mixxc-514be0800cd82b32)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e56116c66e80f7993d158bdb9acf0ae132187f71d9c19f501c4850ffe902f03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56116c66e80f7993d158bdb9acf0ae132187f71d9c19f501c4850ffe902f03f", kill_on_drop: false }`
[INFO] [stdout] e56116c66e80f7993d158bdb9acf0ae132187f71d9c19f501c4850ffe902f03f
