🔔 does-it-build supports sending notifications to target maintainers via GitHub issues. You can add yourself with a PR. 🔔
Build date: 2026-07-27T05:35:24.246Z
Build duration: 23.063s
Builder does-it-build commit: 5518c49d7c6348ba
Compiling compiler_builtins v0.1.160 (/var/lib/does-it-build/.rustup/toolchains/nightly-2026-07-27-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/compiler-builtins/compiler-builtins)
Compiling core v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2026-07-27-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
rustc-LLVM ERROR: Cannot select: 0x79213f0587e0: i32 = fp_to_fp16 0x79213f058ee0
0x79213f058ee0: f32 = fmul 0x79213f028770, 0x79213f058af0
0x79213f028770: f32 = fp16_to_fp 0x79213f058310
0x79213f058310: i32 = fp_to_fp16 0x79213f028e70
0x79213f028e70: f32 = bitcast 0x79213f0589a0
0x79213f0589a0: i32,ch,glue = CopyFromReg 0x79213f0285b0, Register:i32 $a10, 0x79213f0285b0:1
0x79213f0285b0: ch,glue = callseq_end 0x79213f058380, TargetConstant:i32<0>, TargetConstant:i32<0>, 0x79213f058380:1
0x79213f058380: ch,glue = <<Unknown Target Node #521>> 0x79213f093c40, 0x79213f058070, RegisterMask:Untyped, Register:i32 $a10, Register:i32 $a11, 0x79213f093c40:1
0x79213f058070: i32,ch = load<(load (s32) from constant-pool)> 0x79213edbb120, 0x79213f0583f0, undef:i32
0x79213f0583f0: i32 = <<Unknown Target Node #534>> TargetConstantPool:i32<__floatundisf> 0
0x79213f093c40: ch,glue = CopyToReg 0x79213f028850, Register:i32 $a11, 0x79213f093460, 0x79213f028850:1
0x79213f093460: i32,ch = CopyFromReg 0x79213f058d20:1, Register:i32 %13
0x79213f028850: ch,glue = CopyToReg 0x79213f0933f0, Register:i32 $a10, 0x79213f058d20
0x79213f058af0: f32,ch = load<(load (s32) from constant-pool)> 0x79213edbb120, 0x79213f028b60, undef:i32
0x79213f028b60: i32 = <<Unknown Target Node #534>> TargetConstantPool:i32<float 1.000000e+04> 0
In function: _RNvXs0_NtNtCs58xKixzdrMI_4core3num11float_parseC3f16NtNtNtB9_3str6traits7FromStr8from_str
error: could not compile `core` (lib)
Caused by:
process didn't exit successfully: `/var/lib/does-it-build/.rustup/toolchains/nightly-2026-07-27-x86_64-unknown-linux-gnu/bin/rustc --crate-name core --edition=2024 /var/lib/does-it-build/.rustup/toolchains/nightly-2026-07-27-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug_refcell", "llvm_enzyme", "optimize_for_size", "panic_immediate_abort"))' -C metadata=94f20595b88eab04 -C extra-filename=-c167d5b1ab1cf4c8 --out-dir /tmp/.tmpMO4LnG/target/xtensa-esp32-none-elf/release/deps --target xtensa-esp32-none-elf -C strip=debuginfo -Z force-unstable-if-unmarked -L dependency=/tmp/.tmpMO4LnG/target/xtensa-esp32-none-elf/release/deps -L dependency=/tmp/.tmpMO4LnG/target/release/deps --cap-lints allow` (exit status: 101)