[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] building lenscas/mergui against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[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 d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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 282 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04dffeddf26440d7ef4de7bd706636a4360fb9013a1bcfd6292f7b3b3e4d3686
[INFO] running `Command { std: "docker" "start" "-a" "04dffeddf26440d7ef4de7bd706636a4360fb9013a1bcfd6292f7b3b3e4d3686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04dffeddf26440d7ef4de7bd706636a4360fb9013a1bcfd6292f7b3b3e4d3686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dffeddf26440d7ef4de7bd706636a4360fb9013a1bcfd6292f7b3b3e4d3686", kill_on_drop: false }`
[INFO] [stdout] 04dffeddf26440d7ef4de7bd706636a4360fb9013a1bcfd6292f7b3b3e4d3686
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4bea380a6d8b915a61b4c092b73adb1fe5216cd778a20e3e4441307231353da
[INFO] running `Command { std: "docker" "start" "-a" "f4bea380a6d8b915a61b4c092b73adb1fe5216cd778a20e3e4441307231353da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
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[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rusttype v0.8.3
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[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling glow v0.4.0
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[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling mint v0.5.9
[INFO] [stderr]    Compiling golem v0.1.7
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling elefont v0.1.3
[INFO] [stderr]    Compiling platter v0.1.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling glutin v0.24.1
[INFO] [stderr]    Compiling blinds v0.1.6
[INFO] [stderr]    Compiling quicksilver v0.4.0
[INFO] [stderr]    Compiling mergui v0.1.0-alpha0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[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::<Result<_>>()?;
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 207 -                 .collect::<Result<_>>()?;
[INFO] [stdout] 207 +                 .collect::<Result<()>>()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mergui v0.1.0-alpha0.8 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f4bea380a6d8b915a61b4c092b73adb1fe5216cd778a20e3e4441307231353da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4bea380a6d8b915a61b4c092b73adb1fe5216cd778a20e3e4441307231353da", kill_on_drop: false }`
[INFO] [stdout] f4bea380a6d8b915a61b4c092b73adb1fe5216cd778a20e3e4441307231353da
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4957005f1562382235a6fcd418b398a6a411058a74ab8a8d080853c5aae1524b
[INFO] running `Command { std: "docker" "start" "-a" "4957005f1562382235a6fcd418b398a6a411058a74ab8a8d080853c5aae1524b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mergui v0.1.0-alpha0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[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::<Result<_>>()?;
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 207 -                 .collect::<Result<_>>()?;
[INFO] [stdout] 207 +                 .collect::<Result<()>>()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[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::<Result<_>>()?;
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 207 -                 .collect::<Result<_>>()?;
[INFO] [stdout] 207 +                 .collect::<Result<()>>()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mergui v0.1.0-alpha0.8 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4957005f1562382235a6fcd418b398a6a411058a74ab8a8d080853c5aae1524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4957005f1562382235a6fcd418b398a6a411058a74ab8a8d080853c5aae1524b", kill_on_drop: false }`
[INFO] [stdout] 4957005f1562382235a6fcd418b398a6a411058a74ab8a8d080853c5aae1524b
