[INFO] cloning repository https://github.com/BenSandeen/learning_vulkan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenSandeen/learning_vulkan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c4763e330f0d01998f47efdb757b33f5c0ab48a
[INFO] checking BenSandeen/learning_vulkan against master#733108b6d4acaa93fe26ae281ea305aacd6aac4e for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BenSandeen/learning_vulkan
[INFO] finished tweaking git repo https://github.com/BenSandeen/learning_vulkan
[INFO] tweaked toml for git repo https://github.com/BenSandeen/learning_vulkan written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenSandeen/learning_vulkan on toolchain 733108b6d4acaa93fe26ae281ea305aacd6aac4e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenSandeen/learning_vulkan 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" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-dl v2.18.5
[INFO] [stderr]   Downloaded dlib v0.4.1
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[INFO] [stderr]   Downloaded raw-window-handle v0.3.3
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded either v1.5.3
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[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded arrayvec v0.5.1
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[INFO] [stderr]   Downloaded tiff v0.2.2
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[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded shaderc v0.5.1
[INFO] [stderr]   Downloaded half v1.5.0
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[INFO] [stderr]   Downloaded vulkano v0.13.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4007599e1459ff43421e632a81d1d8442aaf82705e015fe60c8cbd867e1e103c
[INFO] running `Command { std: "docker" "start" "-a" "4007599e1459ff43421e632a81d1d8442aaf82705e015fe60c8cbd867e1e103c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4007599e1459ff43421e632a81d1d8442aaf82705e015fe60c8cbd867e1e103c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4007599e1459ff43421e632a81d1d8442aaf82705e015fe60c8cbd867e1e103c", kill_on_drop: false }`
[INFO] [stdout] 4007599e1459ff43421e632a81d1d8442aaf82705e015fe60c8cbd867e1e103c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce7e3f914bcb8f336983c6ff5bd29e3ccef3e9e473f26789fceaecdf645c5d1
[INFO] running `Command { std: "docker" "start" "-a" "0ce7e3f914bcb8f336983c6ff5bd29e3ccef3e9e473f26789fceaecdf645c5d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr] warning: shaderc-sys@0.5.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.5.1: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.5.1`
[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-23733fcc791d6b5b/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=Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (761) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.5.1/build/cmd_finder.rs:45:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c88a44928c2 - std::backtrace_rs::backtrace::libunwind::trace::h336fa6cbda11d7da
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c88a44928c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hdd3caca2f7bc912d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c88a44928c2 - std::sys::backtrace::_print_fmt::hd331b0c9511a99ae
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c88a44928c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1994e61875dd2f2a
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c88a44a2807 - core::fmt::rt::Argument::fmt::hb884d9236ffe22a5
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c88a44a2807 - core::fmt::write::h94ae3adc0037c305
[INFO] [stderr]      6:     0x5c88a4464756 - std::io::default_write_fmt::h338733cd46b32ee7
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c88a4464756 - std::io::Write::write_fmt::hf145160a44bf8905
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5c88a4470dd1 - std::sys::backtrace::BacktraceLock::print::hc709f40974e386fc
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c88a4470dd1 - std::panicking::default_hook::{{closure}}::h97869b26213cfdd1
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5c88a4470bf6 - std::panicking::default_hook::h12325a7204458032
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5c88a44712db - std::panicking::panic_with_hook::h43cbe56cc59fc5e6
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5c88a4471158 - std::panicking::panic_handler::{{closure}}::h026d7e278a1a94d3
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5c88a446e8c9 - std::sys::backtrace::__rust_end_short_backtrace::h61696f1ef97ec08d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c88a4458bdd - __rustc[9da61800b7c1d17]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5c88a44a5e9c - core::panicking::panic_fmt::h376ce795c5298f0d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c88a44174f6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h06ecf2e777baaf2b
[INFO] [stderr]     17:     0x5c88a441b729 - core::option::Option<T>::unwrap_or_else::h7937ca6c97a8f838
[INFO] [stderr]     18:     0x5c88a441747c - build_script_build::cmd_finder::CommandFinder::must_have::hb7433a8bb5c1e8a9
[INFO] [stderr]     19:     0x5c88a4419c84 - build_script_build::main::hb1c4cbcc4c300ece
[INFO] [stderr]     20:     0x5c88a441ae63 - core::ops::function::FnOnce::call_once::h36f7796775339b80
[INFO] [stderr]     21:     0x5c88a441aa86 - std::sys::backtrace::__rust_begin_short_backtrace::h0cfb80806fb1e601
[INFO] [stderr]     22:     0x5c88a441aa09 - std::rt::lang_start::{{closure}}::h357ebe56b96da4cc
[INFO] [stderr]     23:     0x5c88a4465e1a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h17171ace6974aa8f
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5c88a4465e1a - std::panicking::catch_unwind::do_call::h7f6df566c2bad775
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:582:40
[INFO] [stderr]     25:     0x5c88a4465e1a - std::panicking::catch_unwind::hb99c8ff3052425d2
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:545:19
[INFO] [stderr]     26:     0x5c88a4465e1a - std::panic::catch_unwind::h227a70d8d07d79e6
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5c88a4465e1a - std::rt::lang_start_internal::{{closure}}::hb92f0c824b843011
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5c88a4465e1a - std::panicking::catch_unwind::do_call::h837acadf86977c09
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:582:40
[INFO] [stderr]     29:     0x5c88a4465e1a - std::panicking::catch_unwind::hfffc6b58fde015bc
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:545:19
[INFO] [stderr]     30:     0x5c88a4465e1a - std::panic::catch_unwind::he0f0d9ab4801dcd5
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5c88a4465e1a - std::rt::lang_start_internal::h6df14bee4fb30353
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5c88a441a9f1 - std::rt::lang_start::h711947c39df83dca
[INFO] [stderr]     33:     0x5c88a441cee5 - main
[INFO] [stderr]     34:     0x7da8975201ca - <unknown>
[INFO] [stderr]     35:     0x7da89752028b - __libc_start_main
[INFO] [stderr]     36:     0x5c88a4416595 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ce7e3f914bcb8f336983c6ff5bd29e3ccef3e9e473f26789fceaecdf645c5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce7e3f914bcb8f336983c6ff5bd29e3ccef3e9e473f26789fceaecdf645c5d1", kill_on_drop: false }`
[INFO] [stdout] 0ce7e3f914bcb8f336983c6ff5bd29e3ccef3e9e473f26789fceaecdf645c5d1
