[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 try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenSandeen/learning_vulkan on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 142f05c7588b2a289974663f64507964e3f4b9bda3b6a8ff8fbfac186aeec4f2
[INFO] running `Command { std: "docker" "start" "-a" "142f05c7588b2a289974663f64507964e3f4b9bda3b6a8ff8fbfac186aeec4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142f05c7588b2a289974663f64507964e3f4b9bda3b6a8ff8fbfac186aeec4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142f05c7588b2a289974663f64507964e3f4b9bda3b6a8ff8fbfac186aeec4f2", kill_on_drop: false }`
[INFO] [stdout] 142f05c7588b2a289974663f64507964e3f4b9bda3b6a8ff8fbfac186aeec4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d45b08e5aae7ef8154f7dfce506793754a6da3d9a6edba0233489e859291542
[INFO] running `Command { std: "docker" "start" "-a" "8d45b08e5aae7ef8154f7dfce506793754a6da3d9a6edba0233489e859291542", kill_on_drop: false }`
[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 unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[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' (563) 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:     0x5ed1fa270282 - std::backtrace_rs::backtrace::libunwind::trace::h419e2d151404d994
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ed1fa270282 - std::backtrace_rs::backtrace::trace_unsynchronized::hc6df119ae56e3e05
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ed1fa270282 - std::sys::backtrace::_print_fmt::hc93e7e0d9ffc580d
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ed1fa270282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf538a4a69e56e5b3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ed1fa2803bf - core::fmt::rt::Argument::fmt::hadad98c229eeaca3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5ed1fa2803bf - core::fmt::write::he0b569595d6a8874
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5ed1fa241153 - std::io::default_write_fmt::h51a1edf25cfff91f
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ed1fa241153 - std::io::Write::write_fmt::h89adc1fb82053c1c
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5ed1fa24ba72 - std::sys::backtrace::BacktraceLock::print::h3d8d758c622454ff
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5ed1fa24e32c - std::panicking::default_hook::{{closure}}::h8f37910ac3618cfe
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5ed1fa24e186 - std::panicking::default_hook::h6ab40db5b9f9d884
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5ed1fa24e905 - std::panicking::panic_with_hook::h9ad0052a5ac94fe9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5ed1fa24e79a - std::panicking::panic_handler::{{closure}}::h3e115f82c57850dd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5ed1fa24bba9 - std::sys::backtrace::__rust_end_short_backtrace::ha96f46064f5690bd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5ed1fa23566d - __rustc[22086964fa594ecd]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5ed1fa283e10 - core::panicking::panic_fmt::hbccd72162a725cfb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ed1fa1f263b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::he706fc0d1bd72d30
[INFO] [stderr]     17:     0x5ed1fa1f69a9 - core::option::Option<T>::unwrap_or_else::h103c0de0dbaba65f
[INFO] [stderr]     18:     0x5ed1fa1f25bc - build_script_build::cmd_finder::CommandFinder::must_have::h845ba4eac32b8880
[INFO] [stderr]     19:     0x5ed1fa1f4ba5 - build_script_build::main::h442b296df82f6d9a
[INFO] [stderr]     20:     0x5ed1fa1f5c93 - core::ops::function::FnOnce::call_once::h1e11cf0e453bb1f2
[INFO] [stderr]     21:     0x5ed1fa1f5966 - std::sys::backtrace::__rust_begin_short_backtrace::he5163c8bb06b2c0d
[INFO] [stderr]     22:     0x5ed1fa1f58e9 - std::rt::lang_start::{{closure}}::h8f6c25d9a0cc4cfb
[INFO] [stderr]     23:     0x5ed1fa242af0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfb2a30f5c9548e46
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5ed1fa242af0 - std::panicking::catch_unwind::do_call::ha3fa8fc849abc52a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5ed1fa242af0 - std::panicking::catch_unwind::h631637ba53f82bbb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5ed1fa242af0 - std::panic::catch_unwind::hbd544b3a9f21a796
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5ed1fa242af0 - std::rt::lang_start_internal::{{closure}}::h6af9b68612589dd0
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5ed1fa242af0 - std::panicking::catch_unwind::do_call::h9927bee30e054b3a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x5ed1fa242af0 - std::panicking::catch_unwind::h2fb385f94fe54a36
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x5ed1fa242af0 - std::panic::catch_unwind::hf99d356e6efbd4e9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5ed1fa242af0 - std::rt::lang_start_internal::h832c676035cfd9ad
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5ed1fa1f58d1 - std::rt::lang_start::hc14e68025ecde234
[INFO] [stderr]     33:     0x5ed1fa1f8175 - main
[INFO] [stderr]     34:     0x719b184771ca - <unknown>
[INFO] [stderr]     35:     0x719b1847728b - __libc_start_main
[INFO] [stderr]     36:     0x5ed1fa1f16d5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d45b08e5aae7ef8154f7dfce506793754a6da3d9a6edba0233489e859291542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d45b08e5aae7ef8154f7dfce506793754a6da3d9a6edba0233489e859291542", kill_on_drop: false }`
[INFO] [stdout] 8d45b08e5aae7ef8154f7dfce506793754a6da3d9a6edba0233489e859291542
