[INFO] fetching crate imgui-vulkano-renderer 0.7.3...
[INFO] checking imgui-vulkano-renderer-0.7.3 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate imgui-vulkano-renderer 0.7.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate imgui-vulkano-renderer 0.7.3 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgui-vulkano-renderer 0.7.3
[INFO] finished tweaking crates.io crate imgui-vulkano-renderer 0.7.3
[INFO] tweaked toml for crates.io crate imgui-vulkano-renderer 0.7.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate imgui-vulkano-renderer 0.7.3 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5093742015f4d39abc7422a8f0cf22a709744648cda63d4e46b65e5903628ca
[INFO] running `Command { std: "docker" "start" "-a" "d5093742015f4d39abc7422a8f0cf22a709744648cda63d4e46b65e5903628ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5093742015f4d39abc7422a8f0cf22a709744648cda63d4e46b65e5903628ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5093742015f4d39abc7422a8f0cf22a709744648cda63d4e46b65e5903628ca", kill_on_drop: false }`
[INFO] [stdout] d5093742015f4d39abc7422a8f0cf22a709744648cda63d4e46b65e5903628ca
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2862700f0fb6cd62968cfaac3d9f8dfd0034719ed83d813ced1f972f60f25d5
[INFO] running `Command { std: "docker" "start" "-a" "d2862700f0fb6cd62968cfaac3d9f8dfd0034719ed83d813ced1f972f60f25d5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling vk-parse v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]    Compiling shaderc-sys v0.7.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking chlorine v1.0.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.7.1: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc-sys@0.7.1: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.7.1`
[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-ecd9f3163a8f80c9/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr]   cargo:warning=shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.7.1/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:     0x5c7e5f830a5a - std::backtrace_rs::backtrace::libunwind::trace::h1a1e572723065690
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5c7e5f830a5a - std::backtrace_rs::backtrace::trace_unsynchronized::h1276564cb74b63a1
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5c7e5f830a5a - std::sys::backtrace::_print_fmt::h84871980db6e0e53
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c7e5f830a5a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4088fd32dca526b7
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c7e5f85394b - core::fmt::rt::Argument::fmt::h56a71fe22ed738aa
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5c7e5f85394b - core::fmt::write::h194fcda28a99c511
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]      6:     0x5c7e5f82d243 - std::io::Write::write_fmt::h6dcab05f9fb3320d
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x5c7e5f8308a2 - std::sys::backtrace::BacktraceLock::print::h587b834c61bc676c
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5c7e5f831d87 - std::panicking::default_hook::{{closure}}::h1647900569bd226e
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5c7e5f831bb6 - std::panicking::default_hook::h465fda42c5bc2837
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5c7e5f8323c7 - std::panicking::rust_panic_with_hook::hc56ab325220cbe2c
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5c7e5f832267 - std::panicking::begin_panic_handler::{{closure}}::h316d6705fe04cd83
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5c7e5f830f39 - std::sys::backtrace::__rust_end_short_backtrace::h8a1797ffc3892a9a
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5c7e5f831ef4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5c7e5f8527b3 - core::panicking::panic_fmt::h80cb49115195fc7a
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x5c7e5f7b9e53 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h5dd071413e191d38
[INFO] [stderr]     16:     0x5c7e5f7b6f63 - core::option::Option<T>::unwrap_or_else::h94ecf5937f2750cd
[INFO] [stderr]     17:     0x5c7e5f7b9dbc - build_script_build::cmd_finder::CommandFinder::must_have::hea8c76834bd1269c
[INFO] [stderr]     18:     0x5c7e5f7bd62a - build_script_build::main::h6b915c877ba3ea09
[INFO] [stderr]     19:     0x5c7e5f7b6573 - core::ops::function::FnOnce::call_once::ha357ba51e8db2b37
[INFO] [stderr]     20:     0x5c7e5f7b5d56 - std::sys::backtrace::__rust_begin_short_backtrace::hbcdeacdbb9c32a52
[INFO] [stderr]     21:     0x5c7e5f7b5cb9 - std::rt::lang_start::{{closure}}::hc72d2eef7b0b3357
[INFO] [stderr]     22:     0x5c7e5f829450 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf344da535fe78f77
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5c7e5f829450 - std::panicking::try::do_call::h2fbf0504fe70cb61
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:557:40
[INFO] [stderr]     24:     0x5c7e5f829450 - std::panicking::try::h5063802c35bb4ab7
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:520:19
[INFO] [stderr]     25:     0x5c7e5f829450 - std::panic::catch_unwind::h0b208b69c0a4c4fc
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panic.rs:348:14
[INFO] [stderr]     26:     0x5c7e5f829450 - std::rt::lang_start_internal::{{closure}}::ha9b70365f04a863f
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/rt.rs:143:48
[INFO] [stderr]     27:     0x5c7e5f829450 - std::panicking::try::do_call::h0081cede6293561d
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:557:40
[INFO] [stderr]     28:     0x5c7e5f829450 - std::panicking::try::h5d6b53913d4208f1
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panicking.rs:520:19
[INFO] [stderr]     29:     0x5c7e5f829450 - std::panic::catch_unwind::h02006366d4ca7362
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/panic.rs:348:14
[INFO] [stderr]     30:     0x5c7e5f829450 - std::rt::lang_start_internal::hbb04572074a32f7c
[INFO] [stderr]                                  at /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/std/src/rt.rs:143:20
[INFO] [stderr]     31:     0x5c7e5f7b5c97 - std::rt::lang_start::h279a672488279408
[INFO] [stderr]     32:     0x5c7e5f7be0c5 - main
[INFO] [stderr]     33:     0x790d24fdad90 - <unknown>
[INFO] [stderr]     34:     0x790d24fdae40 - __libc_start_main
[INFO] [stderr]     35:     0x5c7e5f7b5115 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2862700f0fb6cd62968cfaac3d9f8dfd0034719ed83d813ced1f972f60f25d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2862700f0fb6cd62968cfaac3d9f8dfd0034719ed83d813ced1f972f60f25d5", kill_on_drop: false }`
[INFO] [stdout] d2862700f0fb6cd62968cfaac3d9f8dfd0034719ed83d813ced1f972f60f25d5
