[INFO] fetching crate pylon 0.3.6...
[INFO] testing pylon-0.3.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate pylon 0.3.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pylon 0.3.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pylon 0.3.6
[INFO] tweaked toml for crates.io crate pylon 0.3.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pylon 0.3.6 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 pylon 0.3.6 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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.134
[INFO] [stderr]   Downloaded built v0.7.5
[INFO] [stderr]   Downloaded pylon-cxx v0.4.3
[INFO] [stderr]   Downloaded cxxbridge-cmd v1.0.134
[INFO] [stderr]   Downloaded scc v2.2.5
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.8
[INFO] [stderr]   Downloaded cxx-build v1.0.134
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.134
[INFO] [stderr]   Downloaded cxx v1.0.134
[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] debfaf3fbb3668e435cab6f316cee1a1796ac8e5a1974b457dd6ac807d3f27ed
[INFO] running `Command { std: "docker" "start" "-a" "debfaf3fbb3668e435cab6f316cee1a1796ac8e5a1974b457dd6ac807d3f27ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debfaf3fbb3668e435cab6f316cee1a1796ac8e5a1974b457dd6ac807d3f27ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debfaf3fbb3668e435cab6f316cee1a1796ac8e5a1974b457dd6ac807d3f27ed", kill_on_drop: false }`
[INFO] [stdout] debfaf3fbb3668e435cab6f316cee1a1796ac8e5a1974b457dd6ac807d3f27ed
[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] 7f0265331bd3ce822765adb3fc4acf28f8b58f4f4b894f4093b479b9c46838c3
[INFO] running `Command { std: "docker" "start" "-a" "7f0265331bd3ce822765adb3fc4acf28f8b58f4f4b894f4093b479b9c46838c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.4
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.134
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling avif-serialize v0.8.2
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling foldhash v0.1.3
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling zune-jpeg v0.4.14
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling image-webp v0.2.0
[INFO] [stderr]    Compiling png v0.17.15
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.134
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr] warning: link-cplusplus@1.0.9: 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 `link-cplusplus v1.0.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/link-cplusplus-c92fe27d7cbb7c8f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/link-cplusplus-2a6626f7ac6f1c69/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7f0265331bd3ce822765adb3fc4acf28f8b58f4f4b894f4093b479b9c46838c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0265331bd3ce822765adb3fc4acf28f8b58f4f4b894f4093b479b9c46838c3", kill_on_drop: false }`
[INFO] [stdout] 7f0265331bd3ce822765adb3fc4acf28f8b58f4f4b894f4093b479b9c46838c3