Build results for nightly-2026-08-20, target xtensa-esp32-espidf (std)

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error

Build date: 2026-08-20T05:50:55.102Z

Build duration: 20.458s

Builder does-it-build commit: 5518c49d7c6348ba

   Compiling compiler_builtins v0.1.160 (/var/lib/does-it-build/.rustup/toolchains/nightly-2026-08-20-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-2026-08-20-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
rustc-LLVM ERROR: Cannot select: 0x78f91e6e0e70: i32 = fp_to_fp16 nnan 0x78f91e6e0c40
  0x78f91e6e0c40: f32 = fmul nnan 0x78f91e6e0f50, 0x78f91e6e47e0
    0x78f91e6e0f50: f32 = fp16_to_fp nnan 0x78f91e6fc4d0
      0x78f91e6fc4d0: i32 = fp_to_fp16 0x78f91e6fcd20
        0x78f91e6fcd20: f32 = bitcast 0x78f91e6fc310
          0x78f91e6fc310: i32,ch,glue = CopyFromReg 0x78f91e6fc700, Register:i32 $a10, 0x78f91e6fc700:1
            0x78f91e6fc700: ch,glue = callseq_end 0x78f91e6e0b60, TargetConstant:i32<0>, TargetConstant:i32<0>, 0x78f91e6e0b60:1
              0x78f91e6e0b60: ch,glue = <<Unknown Target Node #539>> 0x78f91e6e4a80, 0x78f91e6e42a0, RegisterMask:Untyped, Register:i32 $a10, Register:i32 $a11, 0x78f91e6e4a80:1
                0x78f91e6e42a0: i32,ch = load<(load (s32) from constant-pool)> 0x78f91e66c120, 0x78f91e6e0620, undef:i32
                  0x78f91e6e0620: i32 = <<Unknown Target Node #552>> TargetConstantPool:i32<__floatundisf> 0
                0x78f91e6e4a80: ch,glue = CopyToReg 0x78f91e6fc850, Register:i32 $a11, 0x78f91e6e00e0, 0x78f91e6fc850:1
                  0x78f91e6e00e0: i32,ch = CopyFromReg 0x78f91e6e4d20:1, Register:i32 %13
                  0x78f91e6fc850: ch,glue = CopyToReg 0x78f91e6e05b0, Register:i32 $a10, 0x78f91e6e4d20

    0x78f91e6e47e0: f32,ch = load<(load (s32) from constant-pool)> 0x78f91e66c120, 0x78f91e6e4700, undef:i32
      0x78f91e6e4700: i32 = <<Unknown Target Node #552>> TargetConstantPool:i32<float 1.000000e+04> 0
In function: _RNvXs0_NtNtCsia6xkviu2EG_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-2026-08-20-x86_64-unknown-linux-gnu/bin/rustc --crate-name core --edition=2024 /var/lib/does-it-build/.rustup/toolchains/nightly-2026-08-20-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 -Z embed-metadata=no -C opt-level=3 -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug_refcell", "optimize_for_size", "panic_immediate_abort"))' -C metadata=3f2ce77507e68bc0 -C extra-filename=-1b1b14082b600ae4 --out-dir /tmp/.tmpALeHLJ/target/xtensa-esp32-espidf/release/build/core/1b1b14082b600ae4/out --target xtensa-esp32-espidf -C strip=debuginfo -Z force-unstable-if-unmarked -L dependency=/tmp/.tmpALeHLJ/target/release/build/core/1b1b14082b600ae4/out --cap-lints allow` (exit status: 101)

    

Build history for target xtensa-esp32-espidf

Build state for nightly 2026-08-20