[INFO] fetching crate pimoroni_gfx_pack_button 0.1.0...
[INFO] testing pimoroni_gfx_pack_button-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pimoroni_gfx_pack_button 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pimoroni_gfx_pack_button 0.1.0
[INFO] finished tweaking crates.io crate pimoroni_gfx_pack_button 0.1.0
[INFO] tweaked toml for crates.io crate pimoroni_gfx_pack_button 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pimoroni_gfx_pack_button 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 487b051f635dadedfc8eb874e2db13a1308f4ad76cf1f1ae7a00d67c11ec8149
[INFO] running `Command { std: "docker" "start" "-a" "487b051f635dadedfc8eb874e2db13a1308f4ad76cf1f1ae7a00d67c11ec8149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "487b051f635dadedfc8eb874e2db13a1308f4ad76cf1f1ae7a00d67c11ec8149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487b051f635dadedfc8eb874e2db13a1308f4ad76cf1f1ae7a00d67c11ec8149", kill_on_drop: false }`
[INFO] [stdout] 487b051f635dadedfc8eb874e2db13a1308f4ad76cf1f1ae7a00d67c11ec8149
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbca3343b7c635fc7ea28cdb7267134526b06f2d32e4e85be26f98b3c086f36b
[INFO] running `Command { std: "docker" "start" "-a" "dbca3343b7c635fc7ea28cdb7267134526b06f2d32e4e85be26f98b3c086f36b", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling pimoroni_gfx_pack_button v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "dbca3343b7c635fc7ea28cdb7267134526b06f2d32e4e85be26f98b3c086f36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbca3343b7c635fc7ea28cdb7267134526b06f2d32e4e85be26f98b3c086f36b", kill_on_drop: false }`
[INFO] [stdout] dbca3343b7c635fc7ea28cdb7267134526b06f2d32e4e85be26f98b3c086f36b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f35d6081a370f64268d8b37b2191db83b554382b562e6e6757fa6693d86dc2
[INFO] running `Command { std: "docker" "start" "-a" "f1f35d6081a370f64268d8b37b2191db83b554382b562e6e6757fa6693d86dc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pimoroni_gfx_pack_button v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc7ZhbfH/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*}.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-e2c075ad3782faf1.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc7ZhbfH/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/pimoroni_gfx_pack_button-8fa3ec8755d57fce" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: main
[INFO] [stdout]           >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pimoroni_gfx_pack_button` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f1f35d6081a370f64268d8b37b2191db83b554382b562e6e6757fa6693d86dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f35d6081a370f64268d8b37b2191db83b554382b562e6e6757fa6693d86dc2", kill_on_drop: false }`
[INFO] [stdout] f1f35d6081a370f64268d8b37b2191db83b554382b562e6e6757fa6693d86dc2
