[INFO] fetching crate caffe2op-softmax 0.1.5-alpha.0...
[INFO] testing caffe2op-softmax-0.1.5-alpha.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate caffe2op-softmax 0.1.5-alpha.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate caffe2op-softmax 0.1.5-alpha.0
[INFO] finished tweaking crates.io crate caffe2op-softmax 0.1.5-alpha.0
[INFO] tweaked toml for crates.io crate caffe2op-softmax 0.1.5-alpha.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate caffe2op-softmax 0.1.5-alpha.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 222 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc72ab27747eb0a6ac7674e454e2f92a0e6af2e5ad8b379760da2fafd4a25b24
[INFO] running `Command { std: "docker" "start" "-a" "bc72ab27747eb0a6ac7674e454e2f92a0e6af2e5ad8b379760da2fafd4a25b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc72ab27747eb0a6ac7674e454e2f92a0e6af2e5ad8b379760da2fafd4a25b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc72ab27747eb0a6ac7674e454e2f92a0e6af2e5ad8b379760da2fafd4a25b24", kill_on_drop: false }`
[INFO] [stdout] bc72ab27747eb0a6ac7674e454e2f92a0e6af2e5ad8b379760da2fafd4a25b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e48cb9ce4aa26a47a3539a4a051061d1ff37e632faa3d91b62f8d6656f4efe3
[INFO] running `Command { std: "docker" "start" "-a" "9e48cb9ce4aa26a47a3539a4a051061d1ff37e632faa3d91b62f8d6656f4efe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling pyo3-build-config v0.18.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling dircpy v0.3.19
[INFO] [stderr]    Compiling pyo3-ffi v0.18.3
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clang v2.0.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling opencv-binding-generator v0.56.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling cudnn-sys v0.0.3
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.3
[INFO] [stderr]    Compiling pyo3 v0.18.3
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr] warning: zmq-sys@0.12.0: Compiler family detection failed due to error: ToolNotFound: failed to find tool "x86_64-linux-musl-g++": No such file or directory (os error 2)
[INFO] [stderr] error: failed to run custom build command for `zmq-sys v0.12.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/zmq-sys-7fe3a39d57410be8/build-script-main` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build/main.rs
[INFO] [stderr]   cargo:rerun-if-env-changed=PROFILE
[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]   PATH = Some(/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin)
[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 "x86_64-linux-musl-g++": No such file or directory (os error 2)
[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]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CXXFLAGS
[INFO] [stderr]   TARGET_CXXFLAGS = 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=CXXFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: failed to find tool "x86_64-linux-musl-g++": No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e48cb9ce4aa26a47a3539a4a051061d1ff37e632faa3d91b62f8d6656f4efe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e48cb9ce4aa26a47a3539a4a051061d1ff37e632faa3d91b62f8d6656f4efe3", kill_on_drop: false }`
[INFO] [stdout] 9e48cb9ce4aa26a47a3539a4a051061d1ff37e632faa3d91b62f8d6656f4efe3