[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] checking Bravo555/vulkan-mandelbrot against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bravo555/vulkan-mandelbrot on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded shaderc v0.6.2
[INFO] [stderr]   Downloaded vk-sys v0.5.2
[INFO] [stderr]   Downloaded vulkano-shaders v0.19.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.0
[INFO] [stderr]   Downloaded weezl v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded vulkano v0.19.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.2
[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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0c5359f592c11c23c8d371ed04fa21a9984dd5e6b14108f6d3c448de129c8c
[INFO] running `Command { std: "docker" "start" "-a" "8b0c5359f592c11c23c8d371ed04fa21a9984dd5e6b14108f6d3c448de129c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0c5359f592c11c23c8d371ed04fa21a9984dd5e6b14108f6d3c448de129c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0c5359f592c11c23c8d371ed04fa21a9984dd5e6b14108f6d3c448de129c8c", kill_on_drop: false }`
[INFO] [stdout] 8b0c5359f592c11c23c8d371ed04fa21a9984dd5e6b14108f6d3c448de129c8c
[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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c138e99d4732cdc624ee9e60ad0fa2faa91d22302a19d03067164e21413b633c
[INFO] running `Command { std: "docker" "start" "-a" "c138e99d4732cdc624ee9e60ad0fa2faa91d22302a19d03067164e21413b633c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking weezl v0.1.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]     Checking vk-sys v0.5.2
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking shared_library v0.1.9
[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' 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:     0x562094691332 - std::backtrace_rs::backtrace::libunwind::trace::h77d4f1ab393021ff
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x562094691332 - std::backtrace_rs::backtrace::trace_unsynchronized::h6b52b199056dc310
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x562094691332 - std::sys::backtrace::_print_fmt::h336a00096dca5793
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x562094691332 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e23cde6d13531e6
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5620946b3d13 - core::fmt::rt::Argument::fmt::hd73adb1dd4f13238
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5620946b3d13 - core::fmt::write::h24956daaf3520b88
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x56209468de83 - std::io::default_write_fmt::h5ad85cda2d892f3f
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56209468de83 - std::io::Write::write_fmt::h744a9c29e898aaa0
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x562094691182 - std::sys::backtrace::BacktraceLock::print::h80bc63112117b07d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x562094692566 - std::panicking::default_hook::{{closure}}::hcc0250ffe151a9a2
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x562094692369 - std::panicking::default_hook::heb98c3e6f5363c1c
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x562094692f32 - std::panicking::rust_panic_with_hook::ha71490f06bda8fdd
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x562094692cca - std::panicking::begin_panic_handler::{{closure}}::h842d98411b820c95
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x562094691839 - std::sys::backtrace::__rust_end_short_backtrace::hc17b54f5216e7287
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x56209469295d - __rustc[d39aaf4d8a5bdd9]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5620946b2c80 - core::panicking::panic_fmt::hafddcaa47f3ecc5a
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5620946214b8 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::he2c130ba11b4f6b0
[INFO] [stderr]     17:     0x56209461eda5 - core::option::Option<T>::unwrap_or_else::hecf5aaef96570020
[INFO] [stderr]     18:     0x56209462143c - build_script_build::cmd_finder::CommandFinder::must_have::h4100997d31b76fbb
[INFO] [stderr]     19:     0x562094623e54 - build_script_build::main::h65c8dfa745627177
[INFO] [stderr]     20:     0x56209461e183 - core::ops::function::FnOnce::call_once::he9216c024774611a
[INFO] [stderr]     21:     0x56209461dd76 - std::sys::backtrace::__rust_begin_short_backtrace::hd1fdc4692304ef47
[INFO] [stderr]     22:     0x56209461dcf9 - std::rt::lang_start::{{closure}}::h8a2b424fc80d41f0
[INFO] [stderr]     23:     0x562094689e60 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha6f9c4d44e1a5001
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     24:     0x562094689e60 - std::panicking::catch_unwind::do_call::hf103a4d58b5b21e2
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x562094689e60 - std::panicking::catch_unwind::hd0c31cdd71304f17
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x562094689e60 - std::panic::catch_unwind::h434b753bad4487d0
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x562094689e60 - std::rt::lang_start_internal::{{closure}}::h26129cc9f6eb7a93
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x562094689e60 - std::panicking::catch_unwind::do_call::had764bf67fcbab3f
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x562094689e60 - std::panicking::catch_unwind::h4085a8f2f773b27d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x562094689e60 - std::panic::catch_unwind::h3198cebd91ce9b7d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x562094689e60 - std::rt::lang_start_internal::hf25b94b42aad689d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56209461dce1 - std::rt::lang_start::hceef96d010e1d52d
[INFO] [stderr]     33:     0x5620946247e5 - main
[INFO] [stderr]     34:     0x7bc85d7401ca - <unknown>
[INFO] [stderr]     35:     0x7bc85d74028b - __libc_start_main
[INFO] [stderr]     36:     0x56209461d4c5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c138e99d4732cdc624ee9e60ad0fa2faa91d22302a19d03067164e21413b633c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c138e99d4732cdc624ee9e60ad0fa2faa91d22302a19d03067164e21413b633c", kill_on_drop: false }`
[INFO] [stdout] c138e99d4732cdc624ee9e60ad0fa2faa91d22302a19d03067164e21413b633c
