[INFO] fetching crate egui-multiselect 0.6.0...
[INFO] building egui-multiselect-0.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate egui-multiselect 0.6.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate egui-multiselect 0.6.0
[INFO] finished tweaking crates.io crate egui-multiselect 0.6.0
[INFO] tweaked toml for crates.io crate egui-multiselect 0.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate egui-multiselect 0.6.0 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] crate crates.io crate egui-multiselect 0.6.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 331aa5bf7aaa4aefdc1f007fa8e3ef8b4fee34d2ad35e673d4b66fe7bac2cb9d
[INFO] running `Command { std: "docker" "start" "-a" "331aa5bf7aaa4aefdc1f007fa8e3ef8b4fee34d2ad35e673d4b66fe7bac2cb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "331aa5bf7aaa4aefdc1f007fa8e3ef8b4fee34d2ad35e673d4b66fe7bac2cb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331aa5bf7aaa4aefdc1f007fa8e3ef8b4fee34d2ad35e673d4b66fe7bac2cb9d", kill_on_drop: false }`
[INFO] [stdout] 331aa5bf7aaa4aefdc1f007fa8e3ef8b4fee34d2ad35e673d4b66fe7bac2cb9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 972fe84fa1086fd6900d9a16b48ac4a9e5ec69bad0b3ba0d320fe2d3e6a05f8a
[INFO] running `Command { std: "docker" "start" "-a" "972fe84fa1086fd6900d9a16b48ac4a9e5ec69bad0b3ba0d320fe2d3e6a05f8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling wayland-client v0.31.6
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling ttf-parser v0.24.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling accesskit v0.19.0
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr] error: could not compile `proc-macro2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name proc_macro2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.93/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="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=1680ac7049835a68 -C extra-filename=-bcc771f8414e7e16 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2f3def79317703c6.rmeta --cap-lints allow --cap-lints=forbid --cfg wrap_proc_macro --cfg proc_macro_span --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "972fe84fa1086fd6900d9a16b48ac4a9e5ec69bad0b3ba0d320fe2d3e6a05f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972fe84fa1086fd6900d9a16b48ac4a9e5ec69bad0b3ba0d320fe2d3e6a05f8a", kill_on_drop: false }`
[INFO] [stdout] 972fe84fa1086fd6900d9a16b48ac4a9e5ec69bad0b3ba0d320fe2d3e6a05f8a