[INFO] fetching crate nct3933 0.2.0... [INFO] testing nct3933-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate nct3933 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate nct3933 0.2.0 [INFO] finished tweaking crates.io crate nct3933 0.2.0 [INFO] tweaked toml for crates.io crate nct3933 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nct3933 0.2.0 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 15 packages to latest compatible versions [INFO] [stderr] Adding defmt v0.3.100 (available: v1.0.1) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c044dad18a9e2b829470dcadf20db5fc7ab6e4637d1bc479a2580390e58fac09 [INFO] running `Command { std: "docker" "start" "-a" "c044dad18a9e2b829470dcadf20db5fc7ab6e4637d1bc479a2580390e58fac09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c044dad18a9e2b829470dcadf20db5fc7ab6e4637d1bc479a2580390e58fac09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c044dad18a9e2b829470dcadf20db5fc7ab6e4637d1bc479a2580390e58fac09", kill_on_drop: false }` [INFO] [stdout] c044dad18a9e2b829470dcadf20db5fc7ab6e4637d1bc479a2580390e58fac09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eb07de9f69ba6e754b96e0a46e21f7930eec04fde5fc06528a39b554fb557846 [INFO] running `Command { std: "docker" "start" "-a" "eb07de9f69ba6e754b96e0a46e21f7930eec04fde5fc06528a39b554fb557846", kill_on_drop: false }` [INFO] [stderr] Compiling defmt-macros v1.0.1 [INFO] [stderr] Compiling defmt v1.0.1 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling defmt-parser v1.0.0 [INFO] [stderr] Compiling defmt v0.3.100 [INFO] [stderr] Compiling nct3933 v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `Command { std: "docker" "inspect" "eb07de9f69ba6e754b96e0a46e21f7930eec04fde5fc06528a39b554fb557846", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb07de9f69ba6e754b96e0a46e21f7930eec04fde5fc06528a39b554fb557846", kill_on_drop: false }` [INFO] [stdout] eb07de9f69ba6e754b96e0a46e21f7930eec04fde5fc06528a39b554fb557846 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f98cbd93f3c4c1b31faf5580830b43aad2ba307cf3e165442ee6c72f558ae70c [INFO] running `Command { std: "docker" "start" "-a" "f98cbd93f3c4c1b31faf5580830b43aad2ba307cf3e165442ee6c72f558ae70c", kill_on_drop: false }` [INFO] [stderr] Compiling nct3933 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcbiGFNR/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/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/{libdefmt-cb5a009318429812,libdefmt-7348ae418270e030,libbitflags-dde12b0d7d495b50,libembedded_hal_async-8646c9e690cd2d3c,libembedded_hal-e2c075ad3782faf1}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcbiGFNR/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/defmt-a497550027ff8332/out" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/nct3933-3c81413e3bc6ab8f" "-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 `nct3933` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "f98cbd93f3c4c1b31faf5580830b43aad2ba307cf3e165442ee6c72f558ae70c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98cbd93f3c4c1b31faf5580830b43aad2ba307cf3e165442ee6c72f558ae70c", kill_on_drop: false }` [INFO] [stdout] f98cbd93f3c4c1b31faf5580830b43aad2ba307cf3e165442ee6c72f558ae70c