[INFO] cloning repository https://github.com/prohanter34/Rust-Chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prohanter34/Rust-Chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprohanter34%2FRust-Chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprohanter34%2FRust-Chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409de54a6695b40284a75945744b1e09ba9bb6a9
[INFO] testing prohanter34/Rust-Chat 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%2Fprohanter34%2FRust-Chat" "/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/prohanter34/Rust-Chat
[INFO] finished tweaking git repo https://github.com/prohanter34/Rust-Chat
[INFO] tweaked toml for git repo https://github.com/prohanter34/Rust-Chat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prohanter34/Rust-Chat 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/prohanter34/Rust-Chat 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] 24a57d581afe71e9c90f76fe716a7c723f13b67c60cf88928c749485ffe65cba
[INFO] running `Command { std: "docker" "start" "-a" "24a57d581afe71e9c90f76fe716a7c723f13b67c60cf88928c749485ffe65cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a57d581afe71e9c90f76fe716a7c723f13b67c60cf88928c749485ffe65cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a57d581afe71e9c90f76fe716a7c723f13b67c60cf88928c749485ffe65cba", kill_on_drop: false }`
[INFO] [stdout] 24a57d581afe71e9c90f76fe716a7c723f13b67c60cf88928c749485ffe65cba
[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] 576c069c1b68af3882ebb797403601ad0d3544eb5b97569878f73f6e1d654422
[INFO] running `Command { std: "docker" "start" "-a" "576c069c1b68af3882ebb797403601ad0d3544eb5b97569878f73f6e1d654422", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling xml-rs v0.8.16
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling winnow v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling concurrent-queue v2.2.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling ttf-parser v0.19.1
[INFO] [stderr]    Compiling parking v2.1.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling ab_glyph v0.2.21
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling enumflags2_derive v0.7.7
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling enumflags2 v0.7.7
[INFO] [stderr]    Compiling zvariant_derive v3.15.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling atomic-waker v1.1.1
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling blocking v1.3.1
[INFO] [stderr]    Compiling zvariant v3.15.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling accesskit v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling zbus_names v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling xdg-home v1.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-executor v1.5.1
[INFO] [stderr]    Compiling zbus_macros v3.14.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]    Compiling async-recursion v1.0.4
[INFO] [stderr]    Compiling winit v0.28.6
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling emath v0.22.0
[INFO] [stderr]    Compiling ecolor v0.22.0
[INFO] [stderr]    Compiling atspi-macros v0.2.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling epaint v0.22.0
[INFO] [stderr]    Compiling accesskit_consumer v0.15.0
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling x11rb-protocol v0.10.0
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling glutin v0.30.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling egui v0.22.0
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling zbus v3.14.1
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling webbrowser v0.8.10
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling glow v0.12.3
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling egui_glow v0.22.0
[INFO] [stderr]    Compiling x11rb v0.10.1
[INFO] [stderr]    Compiling rust_chat v0.1.0 (/opt/rustwide/workdir/rust_chat)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> rust_chat/src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut frame: Frame;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame_type` is never read
[INFO] [stdout]    --> rust_chat/src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct Frame {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 143 |     frame_type: FrameType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arboard v3.2.0
[INFO] [stderr] error: could not compile `tokio` (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 tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.29.1/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 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="windows-sys"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "num_cpus", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "stats", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=04bf10529232e127 -C extra-filename=-40bf881584854c5b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b1fe1166f01d9859.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-382ffc6847728d1c.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-0c8e164e3a9afabf.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-6cf4d834b9536d3a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-855eb8761616deb7.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-9497439f0d03c4f6.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-c588ab0017efc193.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-17eb98c0ab63af1f.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-279134f410010096.so --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `x11rb-protocol` (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 x11rb_protocol --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11rb-protocol-0.10.0/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 --cfg 'feature="default"' --cfg 'feature="nix"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all-extensions", "composite", "damage", "default", "dpms", "dri2", "dri3", "glx", "nix", "present", "randr", "record", "render", "res", "resource_manager", "screensaver", "serde", "shape", "shm", "std", "sync", "xevie", "xf86dri", "xf86vidmode", "xfixes", "xinerama", "xinput", "xkb", "xprint", "xselinux", "xtest", "xv", "xvmc"))' -C metadata=daf1e514ae0abb72 -C extra-filename=-bd07587754bf6a62 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nix=/opt/rustwide/target/debug/deps/libnix-05a754db3ea177a2.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "576c069c1b68af3882ebb797403601ad0d3544eb5b97569878f73f6e1d654422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576c069c1b68af3882ebb797403601ad0d3544eb5b97569878f73f6e1d654422", kill_on_drop: false }`
[INFO] [stdout] 576c069c1b68af3882ebb797403601ad0d3544eb5b97569878f73f6e1d654422
