[INFO] fetching crate grr-imgui 0.2.0...
[INFO] testing grr-imgui-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate grr-imgui 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate grr-imgui 0.2.0
[INFO] finished tweaking crates.io crate grr-imgui 0.2.0
[INFO] tweaked toml for crates.io crate grr-imgui 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grr-imgui 0.2.0 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] crate crates.io crate grr-imgui 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imgui-winit-support v0.4.0
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.6
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.4
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.4
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.4
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded glutin v0.24.1
[INFO] [stderr]   Downloaded grr v0.8.0
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded imgui v0.4.0
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded winit v0.22.2
[INFO] [stderr]   Downloaded imgui-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5de9670c3098d2736e7da04a8f14b57941c2b0c6a2955c1b55333d671f7405cb
[INFO] running `Command { std: "docker" "start" "-a" "5de9670c3098d2736e7da04a8f14b57941c2b0c6a2955c1b55333d671f7405cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de9670c3098d2736e7da04a8f14b57941c2b0c6a2955c1b55333d671f7405cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de9670c3098d2736e7da04a8f14b57941c2b0c6a2955c1b55333d671f7405cb", kill_on_drop: false }`
[INFO] [stdout] 5de9670c3098d2736e7da04a8f14b57941c2b0c6a2955c1b55333d671f7405cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 861ac95fdd4c489b7519922cd3a24526f995a014f6f87c26eab32a67da7e6944
[INFO] running `Command { std: "docker" "start" "-a" "861ac95fdd4c489b7519922cd3a24526f995a014f6f87c26eab32a67da7e6944", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling imgui-sys v0.4.0
[INFO] [stderr] error: failed to run custom build command for `imgui-sys v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/imgui-sys-5abf1da514d8c7a0/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-musl")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[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]   CXX_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2,x87")
[INFO] [stderr]   running: "musl-g++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-DCIMGUI_NO_EXPORT" "-DIMGUI_DISABLE_WIN32_FUNCTIONS" "-DIMGUI_DISABLE_OSX_FUNCTIONS" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/imgui-sys-55605bdb12088f68/out/third-party/cimgui/cimgui.o" "-c" "third-party/cimgui/cimgui.cpp"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: 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" "861ac95fdd4c489b7519922cd3a24526f995a014f6f87c26eab32a67da7e6944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ac95fdd4c489b7519922cd3a24526f995a014f6f87c26eab32a67da7e6944", kill_on_drop: false }`
[INFO] [stdout] 861ac95fdd4c489b7519922cd3a24526f995a014f6f87c26eab32a67da7e6944