[INFO] fetching crate risc0-circuit-keccak 2.0.2...
[INFO] testing risc0-circuit-keccak-2.0.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate risc0-circuit-keccak 2.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate risc0-circuit-keccak 2.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate risc0-circuit-keccak 2.0.2
[INFO] tweaked toml for crates.io crate risc0-circuit-keccak 2.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc0-circuit-keccak 2.0.2 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] crate crates.io crate risc0-circuit-keccak 2.0.2 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log-macros v0.2.16
[INFO] [stderr]   Downloaded risc0-build-kernel v2.0.0
[INFO] [stderr]   Downloaded risc0-zkvm-platform v2.0.2
[INFO] [stderr]   Downloaded cust_derive v0.2.0
[INFO] [stderr]   Downloaded find_cuda_helper v0.2.0
[INFO] [stderr]   Downloaded lazy-regex v3.3.0
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.3.0
[INFO] [stderr]   Downloaded ff_derive v0.13.0
[INFO] [stderr]   Downloaded cust_core v0.1.1
[INFO] [stderr]   Downloaded cust_raw v0.11.3
[INFO] [stderr]   Downloaded risc0-core v2.0.0
[INFO] [stderr]   Downloaded risc0-binfmt v2.0.1
[INFO] [stderr]   Downloaded downloader v0.2.8
[INFO] [stderr]   Downloaded nvtx v1.3.0
[INFO] [stderr]   Downloaded risc0-sys v1.4.0
[INFO] [stderr]   Downloaded elf v0.7.4
[INFO] [stderr]   Downloaded cust v0.3.2
[INFO] [stderr]   Downloaded zip v2.2.1
[INFO] [stderr]   Downloaded risc0-circuit-recursion v2.0.2
[INFO] [stderr]   Downloaded sppark v0.1.10
[INFO] [stderr]   Downloaded vek v0.15.10
[INFO] [stderr]   Downloaded risc0-zkp v2.0.1
[INFO] [stderr]   Downloaded risc0-circuit-recursion-sys v2.0.0
[INFO] [stderr]   Downloaded risc0-circuit-keccak-sys v2.0.0
[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] 9efeebc985e8315224fe5762edfad32c0d9dba014b6a4530fc8c344acd0615e4
[INFO] running `Command { std: "docker" "start" "-a" "9efeebc985e8315224fe5762edfad32c0d9dba014b6a4530fc8c344acd0615e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9efeebc985e8315224fe5762edfad32c0d9dba014b6a4530fc8c344acd0615e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efeebc985e8315224fe5762edfad32c0d9dba014b6a4530fc8c344acd0615e4", kill_on_drop: false }`
[INFO] [stdout] 9efeebc985e8315224fe5762edfad32c0d9dba014b6a4530fc8c344acd0615e4
[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] 1bc68fa83daecd662fc6b18599360e567f96d6bb24453d119cd5af4780965d9d
[INFO] running `Command { std: "docker" "start" "-a" "1bc68fa83daecd662fc6b18599360e567f96d6bb24453d119cd5af4780965d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling rustls v0.23.19
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling webpki-roots v0.26.7
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling borsh v1.5.5
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling puffin v0.19.1
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling risc0-build-kernel v2.0.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling nvtx v1.3.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling thiserror v2.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling risc0-sys v1.4.0
[INFO] [stderr]    Compiling risc0-circuit-recursion-sys v2.0.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling risc0-zkp v2.0.1
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] warning: risc0-circuit-recursion-sys@2.0.0: Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] error: failed to run custom build command for `risc0-circuit-recursion-sys v2.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/risc0-circuit-recursion-sys-e2a01c5a969d233e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=RISC0_SKIP_BUILD_KERNELS
[INFO] [stderr]   cargo:rerun-if-changed=cxx/ffi.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/poly_fp.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/step_compute_accum.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/step_exec.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/step_verify_accum.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/step_verify_bytes.cpp
[INFO] [stderr]   cargo:rerun-if-changed=cxx/step_verify_mem.cpp
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-musl
[INFO] [stderr]   CXX_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_musl
[INFO] [stderr]   CXX_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXX
[INFO] [stderr]   TARGET_CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CROSS_COMPILE
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   RUSTC_LINKER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/risc0-circuit-recursion-sys-ed851526f6e220e8/out)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1bc68fa83daecd662fc6b18599360e567f96d6bb24453d119cd5af4780965d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc68fa83daecd662fc6b18599360e567f96d6bb24453d119cd5af4780965d9d", kill_on_drop: false }`
[INFO] [stdout] 1bc68fa83daecd662fc6b18599360e567f96d6bb24453d119cd5af4780965d9d