[INFO] cloning repository https://github.com/hekmarr/poglo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hekmarr/poglo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhekmarr%2Fpoglo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhekmarr%2Fpoglo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20e83a0978ce667741747930630c46699bf247bd
[INFO] testing hekmarr/poglo against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhekmarr%2Fpoglo" "/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/hekmarr/poglo
[INFO] finished tweaking git repo https://github.com/hekmarr/poglo
[INFO] tweaked toml for git repo https://github.com/hekmarr/poglo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hekmarr/poglo 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 git repo https://github.com/hekmarr/poglo 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e66352adbbb0394ec96b3e6fa5f64ebbbde785fec9b93730159c3619860f78db
[INFO] running `Command { std: "docker" "start" "-a" "e66352adbbb0394ec96b3e6fa5f64ebbbde785fec9b93730159c3619860f78db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66352adbbb0394ec96b3e6fa5f64ebbbde785fec9b93730159c3619860f78db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66352adbbb0394ec96b3e6fa5f64ebbbde785fec9b93730159c3619860f78db", kill_on_drop: false }`
[INFO] [stdout] e66352adbbb0394ec96b3e6fa5f64ebbbde785fec9b93730159c3619860f78db
[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=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] 751d302681bf3c523a4b3b01e691f0c77627615fd285c3497f0e83470325f315
[INFO] running `Command { std: "docker" "start" "-a" "751d302681bf3c523a4b3b01e691f0c77627615fd285c3497f0e83470325f315", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling gio v0.16.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling gtk v0.16.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling system-deps v6.0.3
[INFO] [stderr]    Compiling glib-sys v0.16.0
[INFO] [stderr]    Compiling gobject-sys v0.16.0
[INFO] [stderr]    Compiling gio-sys v0.16.0
[INFO] [stderr]    Compiling pango-sys v0.16.0
[INFO] [stderr]    Compiling atk-sys v0.16.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.0
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.16.0
[INFO] [stderr]    Compiling gdk-sys v0.16.0
[INFO] [stderr]    Compiling gtk-sys v0.16.0
[INFO] [stderr]    Compiling glib-macros v0.16.0
[INFO] [stderr]    Compiling gtk3-macros v0.16.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling glib v0.16.1
[INFO] [stderr]    Compiling cairo-rs v0.16.1
[INFO] [stderr]    Compiling atk v0.16.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.16.0
[INFO] [stderr]    Compiling pango v0.16.0
[INFO] [stderr]    Compiling gdk v0.16.0
[INFO] [stderr]    Compiling poglo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 3 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drop` is never used
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ThreadPool {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn drop(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 56 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 57 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gtk` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name gtk --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk-0.16.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dox", "gio_v2_58", "unsafe-assume-initialized", "v3_24", "v3_24_1", "v3_24_11", "v3_24_30", "v3_24_8", "v3_24_9"))' -C metadata=3575dd78f543cbf1 -C extra-filename=-bdd1f0a1de8e4d2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-911c592dcb00b506.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-a9851ebd0ab18f47.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-2f947fd2626af31e.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-2026f10400d9c301.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-c6fb0dc6678d0566.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-7c2e360d09b1a293.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-7c9f4d0b2c57fe56.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-da8f98ced2a991d2.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-09a4746b6b56bb47.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libgtk_sys-9c40fe8de5fcf776.rmeta --extern gtk3_macros=/opt/rustwide/target/debug/deps/libgtk3_macros-c6ec3765c9322170.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-e774b50302e45b92.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-7d67408734ef53f7.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-52fcf7135a42c2fc.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"' --cfg 'gdk_backend="x11"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "751d302681bf3c523a4b3b01e691f0c77627615fd285c3497f0e83470325f315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751d302681bf3c523a4b3b01e691f0c77627615fd285c3497f0e83470325f315", kill_on_drop: false }`
[INFO] [stdout] 751d302681bf3c523a4b3b01e691f0c77627615fd285c3497f0e83470325f315