[INFO] fetching crate mpfr 0.0.8...
[INFO] testing mpfr-0.0.8 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mpfr 0.0.8 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mpfr 0.0.8
[INFO] finished tweaking crates.io crate mpfr 0.0.8
[INFO] tweaked toml for crates.io crate mpfr 0.0.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpfr 0.0.8 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded bitflags v2.10.0
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.177
[INFO] [stderr]   Downloaded mpfr-sys v0.0.8
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mpfr-sys-0.0.8/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   library target names cannot contain hyphens: mpfr-sys


command failed: exit status: 101

warning: no edition set: defaulting to the 2015 edition while the latest is 2024
    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded autocfg v1.5.0
  Downloaded num-integer v0.1.46
  Downloaded num-complex v0.4.6
  Downloaded bitflags v2.10.0
  Downloaded num-rational v0.4.2
  Downloaded num-traits v0.2.19
  Downloaded num-bigint v0.4.6
  Downloaded num-iter v0.1.45
  Downloaded num v0.4.3
  Downloaded libc v0.2.177
  Downloaded mpfr-sys v0.0.8
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mpfr-sys-0.0.8/Cargo.toml`

Caused by:
  library target names cannot contain hyphens: mpfr-sys