[INFO] cloning repository https://github.com/lenscas/mergui [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lenscas/mergui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 714fe983e90bd1e97839cdac15050636470cdf97 [INFO] checking lenscas/mergui against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lenscas/mergui [INFO] finished tweaking git repo https://github.com/lenscas/mergui [INFO] tweaked toml for git repo https://github.com/lenscas/mergui written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lenscas/mergui on toolchain e90f1ff63e694965281f833819a486da29772bdf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 281 packages to latest compatible versions [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.11.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f351102a0a38cc42c84fb10941858bd9638b3b83c8af98a70fb38decd698066c [INFO] running `Command { std: "docker" "start" "-a" "f351102a0a38cc42c84fb10941858bd9638b3b83c8af98a70fb38decd698066c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f351102a0a38cc42c84fb10941858bd9638b3b83c8af98a70fb38decd698066c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f351102a0a38cc42c84fb10941858bd9638b3b83c8af98a70fb38decd698066c", kill_on_drop: false }` [INFO] [stdout] f351102a0a38cc42c84fb10941858bd9638b3b83c8af98a70fb38decd698066c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 845ad25ea6efe7bc3d399656b178e74e6793ae16748a24bae4e9d855c790d961 [INFO] running `Command { std: "docker" "start" "-a" "845ad25ea6efe7bc3d399656b178e74e6793ae16748a24bae4e9d855c790d961", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking xml-rs v0.8.27 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking x11-dl v2.21.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking raw-window-handle v0.3.4 [INFO] [stderr] Checking wayland-sys v0.23.6 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Checking tinyvec v1.10.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling glow v0.4.0 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Checking mint v0.5.9 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Compiling glutin_glx_sys v0.1.8 [INFO] [stderr] Compiling glutin_egl_sys v0.1.6 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking wayland-commons v0.23.6 [INFO] [stderr] Checking calloop v0.4.4 [INFO] [stderr] Checking elefont v0.1.3 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking platter v0.1.4 [INFO] [stderr] Checking golem v0.1.7 [INFO] [stderr] Checking smithay-client-toolkit v0.6.6 [INFO] [stderr] Checking winit v0.22.2 [INFO] [stderr] Checking glutin v0.24.1 [INFO] [stderr] Checking blinds v0.1.6 [INFO] [stderr] Checking quicksilver v0.4.0 [INFO] [stderr] Checking mergui v0.1.0-alpha0.8 (/opt/rustwide/workdir) [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/widgets/dropdown.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | fn render(&mut self, gfx: &mut Graphics, _: &Window) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/widgets/dropdown.rs:207:28 [INFO] [stdout] | [INFO] [stdout] 207 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 207 - .collect::>()?; [INFO] [stdout] 207 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/widgets/dropdown.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | fn render(&mut self, gfx: &mut Graphics, _: &Window) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/widgets/dropdown.rs:207:28 [INFO] [stdout] | [INFO] [stdout] 207 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 207 - .collect::>()?; [INFO] [stdout] 207 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mergui` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mergui` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "845ad25ea6efe7bc3d399656b178e74e6793ae16748a24bae4e9d855c790d961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845ad25ea6efe7bc3d399656b178e74e6793ae16748a24bae4e9d855c790d961", kill_on_drop: false }` [INFO] [stdout] 845ad25ea6efe7bc3d399656b178e74e6793ae16748a24bae4e9d855c790d961