[INFO] fetching crate butterfly-fuzz 0.2.2...
[INFO] testing butterfly-fuzz-0.2.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate butterfly-fuzz 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate butterfly-fuzz 0.2.2
[INFO] finished tweaking crates.io crate butterfly-fuzz 0.2.2
[INFO] tweaked toml for crates.io crate butterfly-fuzz 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate butterfly-fuzz 0.2.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 141 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding libafl v0.8.2 (available: v0.15.3)
[INFO] [stderr]       Adding pcap v0.9.2 (available: v2.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcap v0.9.2
[INFO] [stderr]   Downloaded tuple_list v0.1.3
[INFO] [stderr]   Downloaded cobs v0.3.0
[INFO] [stderr]   Downloaded postcard v1.1.2
[INFO] [stderr]   Downloaded concat-idents v1.1.5
[INFO] [stderr]   Downloaded intervaltree v0.2.7
[INFO] [stderr]   Downloaded crossterm v0.24.0
[INFO] [stderr]   Downloaded uds v0.2.7
[INFO] [stderr]   Downloaded libafl_derive v0.8.2
[INFO] [stderr]   Downloaded libafl v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be472f5dff1234903c728c965d3ca9e090c60146adbdbad3623335255b5272b7
[INFO] running `Command { std: "docker" "start" "-a" "be472f5dff1234903c728c965d3ca9e090c60146adbdbad3623335255b5272b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be472f5dff1234903c728c965d3ca9e090c60146adbdbad3623335255b5272b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be472f5dff1234903c728c965d3ca9e090c60146adbdbad3623335255b5272b7", kill_on_drop: false }`
[INFO] [stdout] be472f5dff1234903c728c965d3ca9e090c60146adbdbad3623335255b5272b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b0094cf11c8179364e37da27d44383e3e0f504f4f54854d0c03ae4cd14417371
[INFO] running `Command { std: "docker" "start" "-a" "b0094cf11c8179364e37da27d44383e3e0f504f4f54854d0c03ae4cd14417371", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling libafl v0.8.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling uds v0.2.7
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling crossterm v0.23.2
[INFO] [stderr]    Compiling crossterm v0.24.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a37e2a9c3b24b989 -C extra-filename=-95d406c552d57496 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-795b2b19042097af.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-67d79357fbc357df.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-00291e71c3df335a.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b0094cf11c8179364e37da27d44383e3e0f504f4f54854d0c03ae4cd14417371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0094cf11c8179364e37da27d44383e3e0f504f4f54854d0c03ae4cd14417371", kill_on_drop: false }`
[INFO] [stdout] b0094cf11c8179364e37da27d44383e3e0f504f4f54854d0c03ae4cd14417371