[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 try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bravo555/vulkan-mandelbrot on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa8fbde7df58bdfba0155dec8f2b301fadd5f701a4c4c38ec57ef3e6bf57a06
[INFO] running `Command { std: "docker" "start" "-a" "4fa8fbde7df58bdfba0155dec8f2b301fadd5f701a4c4c38ec57ef3e6bf57a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa8fbde7df58bdfba0155dec8f2b301fadd5f701a4c4c38ec57ef3e6bf57a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa8fbde7df58bdfba0155dec8f2b301fadd5f701a4c4c38ec57ef3e6bf57a06", kill_on_drop: false }`
[INFO] [stdout] 4fa8fbde7df58bdfba0155dec8f2b301fadd5f701a4c4c38ec57ef3e6bf57a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b791d4427b20ac467420a79f5e085d49845a7b1ed0496a705046a2fb77d505d5
[INFO] running `Command { std: "docker" "start" "-a" "b791d4427b20ac467420a79f5e085d49845a7b1ed0496a705046a2fb77d505d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling quote v1.0.7
[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' (730) 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:     0x5fab1fb82942 - std::backtrace_rs::backtrace::libunwind::trace::hf45e7c55adba4422
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5fab1fb82942 - std::backtrace_rs::backtrace::trace_unsynchronized::hba671b7dcad802b7
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5fab1fb82942 - std::sys::backtrace::_print_fmt::h619c797e926d8f83
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5fab1fb82942 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdff43bcffb474cb3
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5fab1fb92aaf - core::fmt::rt::Argument::fmt::h7bd842c969e9b57d
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5fab1fb92aaf - core::fmt::write::h1ecdb6cc9398c66e
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5fab1fb53893 - std::io::default_write_fmt::h791c3e2d7f11c3a4
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5fab1fb53893 - std::io::Write::write_fmt::h040be1a94ddc373b
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5fab1fb5e1d2 - std::sys::backtrace::BacktraceLock::print::hf090f9a7cc2a7c74
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5fab1fb60a2c - std::panicking::default_hook::{{closure}}::h7079a67dfb3f01cf
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5fab1fb60886 - std::panicking::default_hook::h6bcd07ee1d7eb277
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5fab1fb61005 - std::panicking::panic_with_hook::h5aa69d6c261369bf
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5fab1fb60e9a - std::panicking::panic_handler::{{closure}}::h2d47bbe2fa9b270f
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5fab1fb5e309 - std::sys::backtrace::__rust_end_short_backtrace::h2994d9548aa3c7ea
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5fab1fb47dad - __rustc[15d9aaa749d825c2]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5fab1fb96500 - core::panicking::panic_fmt::ha001dc6722a328d7
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5fab1faffe5b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h04de5f8435ce9249
[INFO] [stderr]     17:     0x5fab1fb045f9 - core::option::Option<T>::unwrap_or_else::h3aa1ac0e03b9a279
[INFO] [stderr]     18:     0x5fab1faffddc - build_script_build::cmd_finder::CommandFinder::must_have::h104b3e4a60a4620a
[INFO] [stderr]     19:     0x5fab1fb02aa5 - build_script_build::main::h2d64b18c7c487ae6
[INFO] [stderr]     20:     0x5fab1fb03993 - core::ops::function::FnOnce::call_once::hce038e094b307f0c
[INFO] [stderr]     21:     0x5fab1fb035c6 - std::sys::backtrace::__rust_begin_short_backtrace::h9edddf540e302420
[INFO] [stderr]     22:     0x5fab1fb03549 - std::rt::lang_start::{{closure}}::hfce0bcdeeac716d1
[INFO] [stderr]     23:     0x5fab1fb55210 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbc47102b18f2f707
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5fab1fb55210 - std::panicking::catch_unwind::do_call::hb26d390b51782aff
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5fab1fb55210 - std::panicking::catch_unwind::h612d2dc80a6914de
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5fab1fb55210 - std::panic::catch_unwind::h0c70e561b7288d4a
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5fab1fb55210 - std::rt::lang_start_internal::{{closure}}::h985ef51757637735
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5fab1fb55210 - std::panicking::catch_unwind::do_call::h48df5852556f577a
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x5fab1fb55210 - std::panicking::catch_unwind::h13536edd6c919fb7
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x5fab1fb55210 - std::panic::catch_unwind::h386fe19724c84ec2
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5fab1fb55210 - std::rt::lang_start_internal::h14fb87ed587985dd
[INFO] [stderr]                                  at /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5fab1fb03531 - std::rt::lang_start::h9226d41842dc07e6
[INFO] [stderr]     33:     0x5fab1fb05ef5 - main
[INFO] [stderr]     34:     0x73ebb150b1ca - <unknown>
[INFO] [stderr]     35:     0x73ebb150b28b - __libc_start_main
[INFO] [stderr]     36:     0x5fab1fafeef5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b791d4427b20ac467420a79f5e085d49845a7b1ed0496a705046a2fb77d505d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b791d4427b20ac467420a79f5e085d49845a7b1ed0496a705046a2fb77d505d5", kill_on_drop: false }`
[INFO] [stdout] b791d4427b20ac467420a79f5e085d49845a7b1ed0496a705046a2fb77d505d5
