[INFO] fetching crate imgui-vulkano-renderer 0.7.3...
[INFO] checking imgui-vulkano-renderer-0.7.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate imgui-vulkano-renderer 0.7.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate imgui-vulkano-renderer 0.7.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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-6-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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0febd8494e81c15cf8c8099a4be5b031bc68d0a33e9796ed1bd9be6c9a4ef819
[INFO] running `Command { std: "docker" "start" "-a" "0febd8494e81c15cf8c8099a4be5b031bc68d0a33e9796ed1bd9be6c9a4ef819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0febd8494e81c15cf8c8099a4be5b031bc68d0a33e9796ed1bd9be6c9a4ef819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0febd8494e81c15cf8c8099a4be5b031bc68d0a33e9796ed1bd9be6c9a4ef819", kill_on_drop: false }`
[INFO] [stdout] 0febd8494e81c15cf8c8099a4be5b031bc68d0a33e9796ed1bd9be6c9a4ef819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b684cae30963fed201ff622072f9979d6ee248408092a4dec755cf11cb4dd87b
[INFO] running `Command { std: "docker" "start" "-a" "b684cae30963fed201ff622072f9979d6ee248408092a4dec755cf11cb4dd87b", 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 autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[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 log v0.4.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling shaderc-sys v0.7.1
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling vk-parse v0.6.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking xdg v2.2.0
[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] 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:     0x573424f5fc5a - std::backtrace_rs::backtrace::libunwind::trace::h49438d59a450c8cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x573424f5fc5a - std::backtrace_rs::backtrace::trace_unsynchronized::h00f8204a39c7607d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x573424f5fc5a - std::sys::backtrace::_print_fmt::hfb4570bcf6575231
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x573424f5fc5a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haa24b3ebc15b8405
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x573424f83973 - core::fmt::rt::Argument::fmt::h640632ca911b1954
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x573424f83973 - core::fmt::write::hd87dd4a80fd6ed54
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x573424f5c393 - std::io::Write::write_fmt::h63c69be3cb79728d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x573424f5faa2 - std::sys::backtrace::BacktraceLock::print::h0cabd5ee17b200b1
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x573424f60c9c - std::panicking::default_hook::{{closure}}::hfecf31e00fd6a324
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x573424f60ae2 - std::panicking::default_hook::h4b1c6fd76f5e43f2
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x573424f612d7 - std::panicking::rust_panic_with_hook::h43e69ada3ffc0134
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x573424f6116a - std::panicking::begin_panic_handler::{{closure}}::h541e54997b7f9317
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x573424f60139 - std::sys::backtrace::__rust_end_short_backtrace::h77e9f2cf7d6f5724
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x573424f60dfc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x573424f827c0 - core::panicking::panic_fmt::h8656b4a1ebe7eef6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x573424ee5133 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h42a54de3f49ac042
[INFO] [stderr]     16:     0x573424ee23b3 - core::option::Option<T>::unwrap_or_else::hf6edbd1b5f8bdc34
[INFO] [stderr]     17:     0x573424ee509c - build_script_build::cmd_finder::CommandFinder::must_have::hc4c74fe98e65bcd9
[INFO] [stderr]     18:     0x573424ee890a - build_script_build::main::h3c0c7eaf3b68d327
[INFO] [stderr]     19:     0x573424ee18f3 - core::ops::function::FnOnce::call_once::h06f3c59eb04cc069
[INFO] [stderr]     20:     0x573424ee1016 - std::sys::backtrace::__rust_begin_short_backtrace::hd5e48d3de82b1a69
[INFO] [stderr]     21:     0x573424ee0f79 - std::rt::lang_start::{{closure}}::he9a70f7c0c384867
[INFO] [stderr]     22:     0x573424f57c97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5de4a2bf18b34b48
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x573424f57c97 - std::panicking::try::do_call::h18e58ebf513e1dfb
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     24:     0x573424f57c97 - std::panicking::try::hd66d4cce67b2d3a6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     25:     0x573424f57c97 - std::panic::catch_unwind::h7d20459bfb46fa18
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x573424f57c97 - std::rt::lang_start_internal::{{closure}}::h08530640535ea25a
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:48
[INFO] [stderr]     27:     0x573424f57c97 - std::panicking::try::do_call::hef1d5032756af4de
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     28:     0x573424f57c97 - std::panicking::try::h72abeda96f937582
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     29:     0x573424f57c97 - std::panic::catch_unwind::hff9195ddaed64075
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x573424f57c97 - std::rt::lang_start_internal::h506b703bddcb88cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:20
[INFO] [stderr]     31:     0x573424ee0f57 - std::rt::lang_start::hc39e48cac2eb8fe1
[INFO] [stderr]     32:     0x573424ee93a5 - main
[INFO] [stderr]     33:     0x7cd9820ddd90 - <unknown>
[INFO] [stderr]     34:     0x7cd9820dde40 - __libc_start_main
[INFO] [stderr]     35:     0x573424ee0565 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b684cae30963fed201ff622072f9979d6ee248408092a4dec755cf11cb4dd87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b684cae30963fed201ff622072f9979d6ee248408092a4dec755cf11cb4dd87b", kill_on_drop: false }`
[INFO] [stdout] b684cae30963fed201ff622072f9979d6ee248408092a4dec755cf11cb4dd87b
