[INFO] fetching crate giacrs 0.1.3...
[INFO] testing giacrs-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate giacrs 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate giacrs 0.1.3
[INFO] finished tweaking crates.io crate giacrs 0.1.3
[INFO] tweaked toml for crates.io crate giacrs 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate giacrs 0.1.3 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 giacrs 0.1.3 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 giacrs_internals v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eafa519f7dbab9d04d5d330404f718d441d2a4c0cfa11f354a35283fb8251b2e
[INFO] running `Command { std: "docker" "start" "-a" "eafa519f7dbab9d04d5d330404f718d441d2a4c0cfa11f354a35283fb8251b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafa519f7dbab9d04d5d330404f718d441d2a4c0cfa11f354a35283fb8251b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafa519f7dbab9d04d5d330404f718d441d2a4c0cfa11f354a35283fb8251b2e", kill_on_drop: false }`
[INFO] [stdout] eafa519f7dbab9d04d5d330404f718d441d2a4c0cfa11f354a35283fb8251b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 99eb720b9f00cd35235dcdb6ce2c25e0e3565ec484cfef5d1601b5260c450376
[INFO] running `Command { std: "docker" "start" "-a" "99eb720b9f00cd35235dcdb6ce2c25e0e3565ec484cfef5d1601b5260c450376", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling cc v1.2.4
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling giacrs_internals v0.1.0
[INFO] [stderr]    Compiling giacrs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: giacrs@0.1.3: 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 `giacrs v0.1.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/giacrs-b484a4c711974beb/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rerun-if-changed=wrapper
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/context.cpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/utils.hpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/utils.cpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/options.cpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/context.hpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/gen.hpp
[INFO] [stderr]   cargo::rerun-if-changed=wrapper/gen.cpp
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/giacrs-3056e9b7d7ee7a23/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]   DEBUG = Some(true)
[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] 
[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] running `Command { std: "docker" "inspect" "99eb720b9f00cd35235dcdb6ce2c25e0e3565ec484cfef5d1601b5260c450376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99eb720b9f00cd35235dcdb6ce2c25e0e3565ec484cfef5d1601b5260c450376", kill_on_drop: false }`
[INFO] [stdout] 99eb720b9f00cd35235dcdb6ce2c25e0e3565ec484cfef5d1601b5260c450376