[INFO] fetching crate imgui-vulkano-renderer 0.7.3...
[INFO] documenting imgui-vulkano-renderer-0.7.3 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate imgui-vulkano-renderer 0.7.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate imgui-vulkano-renderer 0.7.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-4-tc1/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" "+1.76.0" "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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded wayland-sys v0.28.2
[INFO] [stderr]   Downloaded mio-misc v1.2.1
[INFO] [stderr]   Downloaded xcursor v0.3.3
[INFO] [stderr]   Downloaded wayland-cursor v0.28.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded vk-parse v0.6.0
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded libloading v0.6.6
[INFO] [stderr]   Downloaded wayland-client v0.28.2
[INFO] [stderr]   Downloaded winit v0.25.0
[INFO] [stderr]   Downloaded imgui-sys v0.7.0
[INFO] [stderr]   Downloaded nom v6.0.1
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded shaderc-sys v0.7.1
[INFO] [stderr]   Downloaded shaderc v0.7.1
[INFO] [stderr]   Downloaded vulkano-shaders v0.24.0
[INFO] [stderr]   Downloaded vulkano-win v0.24.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.20
[INFO] [stderr]   Downloaded image v0.23.12
[INFO] [stderr]   Downloaded ash v0.32.1
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded vulkano v0.24.0
[INFO] [stderr]   Downloaded ndk-sys v0.2.1
[INFO] [stderr]   Downloaded imgui v0.7.0
[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded core-graphics v0.22.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.3
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded calloop v0.6.5
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded wayland-commons v0.28.2
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded rusttype v0.9.2
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded weezl v0.1.3
[INFO] [stderr]   Downloaded chlorine v1.0.7
[INFO] [stderr]   Downloaded imgui-winit-support v0.7.1
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.4
[INFO] [stderr]   Downloaded wayland-scanner v0.28.2
[INFO] [stderr]   Downloaded wayland-protocols v0.28.2
[INFO] [stderr]   Downloaded owned_ttf_parser v0.6.0
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded ttf-parser v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5282251af7dcc5c82118e66091ee7b0633f4e0df10101336fc26eead63edeb1
[INFO] running `Command { std: "docker" "start" "-a" "a5282251af7dcc5c82118e66091ee7b0633f4e0df10101336fc26eead63edeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5282251af7dcc5c82118e66091ee7b0633f4e0df10101336fc26eead63edeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5282251af7dcc5c82118e66091ee7b0633f4e0df10101336fc26eead63edeb1", kill_on_drop: false }`
[INFO] [stdout] a5282251af7dcc5c82118e66091ee7b0633f4e0df10101336fc26eead63edeb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ab8a908ef076c111c3c30d91651790a4b81bf749fff3dc63701032354c89d5
[INFO] running `Command { std: "docker" "start" "-a" "d5ab8a908ef076c111c3c30d91651790a4b81bf749fff3dc63701032354c89d5", 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 cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling vk-parse v0.6.0
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling shaderc-sys v0.7.1
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[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-d854eaf3bec52e41/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:     0x55cecb47efa6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55cecb47efa6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cecb47efa6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55cecb47efa6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55cecb4a4860 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55cecb4a4860 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55cecb47c4ff - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55cecb47ed84 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55cecb47ed84 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55cecb480667 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stderr]     10:     0x55cecb4803c9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55cecb480af8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55cecb4809d2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55cecb47f4a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55cecb480730 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55cecb404635 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55cecb409736 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h36d25d75a5cd7a43
[INFO] [stderr]     17:     0x55cecb40665f - core::option::Option<T>::unwrap_or_else::hb1f8440bbc7fc92f
[INFO] [stderr]     18:     0x55cecb409698 - build_script_build::cmd_finder::CommandFinder::must_have::h384dcc7ed768588e
[INFO] [stderr]     19:     0x55cecb40cdb5 - build_script_build::main::ha02e762c544c733d
[INFO] [stderr]     20:     0x55cecb405e43 - core::ops::function::FnOnce::call_once::h30b60145fbb9d866
[INFO] [stderr]     21:     0x55cecb405086 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6981dbb4a06abc07
[INFO] [stderr]     22:     0x55cecb405709 - std::rt::lang_start::{{closure}}::h7c35e704ec6d0811
[INFO] [stderr]     23:     0x55cecb478141 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55cecb478141 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55cecb478141 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55cecb478141 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55cecb478141 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55cecb478141 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x55cecb478141 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x55cecb478141 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55cecb478141 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55cecb4056e7 - std::rt::lang_start::h0bef41b2870283c0
[INFO] [stderr]     33:     0x55cecb40d625 - main
[INFO] [stderr]     34:     0x7f9cc2715d90 - <unknown>
[INFO] [stderr]     35:     0x7f9cc2715e40 - __libc_start_main
[INFO] [stderr]     36:     0x55cecb404d65 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d5ab8a908ef076c111c3c30d91651790a4b81bf749fff3dc63701032354c89d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ab8a908ef076c111c3c30d91651790a4b81bf749fff3dc63701032354c89d5", kill_on_drop: false }`
[INFO] [stdout] d5ab8a908ef076c111c3c30d91651790a4b81bf749fff3dc63701032354c89d5
