[INFO] cloning repository https://github.com/Bravo555/vulkan-mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bravo555/vulkan-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbbffa15141976450466fcb9967c4f7abab84d7b
[INFO] testing Bravo555/vulkan-mandelbrot against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] finished tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] tweaked toml for git repo https://github.com/Bravo555/vulkan-mandelbrot written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bravo555/vulkan-mandelbrot on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bravo555/vulkan-mandelbrot 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57c38068f8adb6ab0750c4f8014fc31f3c715d1e8a32eb1cc0fc57dd3187133
[INFO] running `Command { std: "docker" "start" "-a" "d57c38068f8adb6ab0750c4f8014fc31f3c715d1e8a32eb1cc0fc57dd3187133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57c38068f8adb6ab0750c4f8014fc31f3c715d1e8a32eb1cc0fc57dd3187133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57c38068f8adb6ab0750c4f8014fc31f3c715d1e8a32eb1cc0fc57dd3187133", kill_on_drop: false }`
[INFO] [stdout] d57c38068f8adb6ab0750c4f8014fc31f3c715d1e8a32eb1cc0fc57dd3187133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5431d7873f3bdfc38fb0d0d292238350118800f6ba6cc673f8344bac49d941d2
[INFO] running `Command { std: "docker" "start" "-a" "5431d7873f3bdfc38fb0d0d292238350118800f6ba6cc673f8344bac49d941d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]    Compiling weezl v0.1.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling vk-sys v0.5.2
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/shaderc-sys-8fe89197149147f5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr]   cargo:warning=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (813) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/build/cmd_finder.rs:50:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557c8f11c8e2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x557c8f11c8e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x557c8f11c8e2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x557c8f11c8e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x557c8f12c92f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x557c8f12c92f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x557c8f0edbc3 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x557c8f0edbc3 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x557c8f0f80b2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x557c8f0fa96c - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x557c8f0fa7c6 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x557c8f0faf45 - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x557c8f0fadda - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x557c8f0f81e9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x557c8f0e1e9d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x557c8f1303a0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x557c8f099f4b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::he1460a23053636f5
[INFO] [stderr]     17:     0x557c8f09e6e9 - core::option::Option<T>::unwrap_or_else::h7d7767406af07692
[INFO] [stderr]     18:     0x557c8f099ecc - build_script_build::cmd_finder::CommandFinder::must_have::h0ae64e082d0d35f7
[INFO] [stderr]     19:     0x557c8f09cb95 - build_script_build::main::hc837fb5337cea00a
[INFO] [stderr]     20:     0x557c8f09d9e3 - core::ops::function::FnOnce::call_once::h713f5cde3ee04a48
[INFO] [stderr]     21:     0x557c8f09d6b6 - std::sys::backtrace::__rust_begin_short_backtrace::hceed30948dd4d5d7
[INFO] [stderr]     22:     0x557c8f09d639 - std::rt::lang_start::{{closure}}::hdb7e7037c1da61dd
[INFO] [stderr]     23:     0x557c8f0ef330 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfe01ef9c04091e5f
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x557c8f0ef330 - std::panicking::catch_unwind::do_call::h3720541c1dc2745c
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x557c8f0ef330 - std::panicking::catch_unwind::hf812e1c72a8544c2
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x557c8f0ef330 - std::panic::catch_unwind::h9e80dffea8831154
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x557c8f0ef330 - std::rt::lang_start_internal::{{closure}}::h03410fa218b2c977
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x557c8f0ef330 - std::panicking::catch_unwind::do_call::hcc46efa18e4a9c15
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x557c8f0ef330 - std::panicking::catch_unwind::hc0afbf6668eb863a
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x557c8f0ef330 - std::panic::catch_unwind::h9640c0d1343096b8
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x557c8f0ef330 - std::rt::lang_start_internal::hea659f61d058debe
[INFO] [stderr]                                  at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x557c8f09d621 - std::rt::lang_start::h27de1f230c66bc54
[INFO] [stderr]     33:     0x557c8f09ffe5 - main
[INFO] [stderr]     34:     0x79a21b2a01ca - <unknown>
[INFO] [stderr]     35:     0x79a21b2a028b - __libc_start_main
[INFO] [stderr]     36:     0x557c8f098fe5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5431d7873f3bdfc38fb0d0d292238350118800f6ba6cc673f8344bac49d941d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5431d7873f3bdfc38fb0d0d292238350118800f6ba6cc673f8344bac49d941d2", kill_on_drop: false }`
[INFO] [stdout] 5431d7873f3bdfc38fb0d0d292238350118800f6ba6cc673f8344bac49d941d2
