[INFO] cloning repository https://github.com/tripped/vulkano-cube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tripped/vulkano-cube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fvulkano-cube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fvulkano-cube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94eb56be8811d03bc863d116149e0f09486d4b35
[INFO] checking tripped/vulkano-cube against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fvulkano-cube" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tripped/vulkano-cube
[INFO] finished tweaking git repo https://github.com/tripped/vulkano-cube
[INFO] tweaked toml for git repo https://github.com/tripped/vulkano-cube written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tripped/vulkano-cube on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tripped/vulkano-cube 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/vulkano-rs/vulkano`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded lock_api v0.3.2
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778a11acbb4778f646fa6e88bcf617769d072be5ffcc97df70f5bced9d0297d0
[INFO] running `Command { std: "docker" "start" "-a" "778a11acbb4778f646fa6e88bcf617769d072be5ffcc97df70f5bced9d0297d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778a11acbb4778f646fa6e88bcf617769d072be5ffcc97df70f5bced9d0297d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778a11acbb4778f646fa6e88bcf617769d072be5ffcc97df70f5bced9d0297d0", kill_on_drop: false }`
[INFO] [stdout] 778a11acbb4778f646fa6e88bcf617769d072be5ffcc97df70f5bced9d0297d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef5c2a82caa0282f7701d2d291d7ed838d3a038dae782c93687c27a51abbda9e
[INFO] running `Command { std: "docker" "start" "-a" "ef5c2a82caa0282f7701d2d291d7ed838d3a038dae782c93687c27a51abbda9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling vulkano v0.16.0 (https://github.com/vulkano-rs/vulkano?rev=fb3ef9d43e924f5bbff7dd9021544db4e8bd916d#fb3ef9d4)
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr] warning: shaderc-sys@0.6.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.1: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.1`
[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-ec840c5cecce8cb1/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=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (419) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.1/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:     0x5d708812897a - std[2bf2fe0f5e2b469a]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d708812897a - std[2bf2fe0f5e2b469a]::backtrace_rs::backtrace::trace_unsynchronized::<std[2bf2fe0f5e2b469a]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d708812897a - std[2bf2fe0f5e2b469a]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5d708812897a - <<std[2bf2fe0f5e2b469a]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[bd7107ce196a68c2]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5d708813c7ca - <core[bd7107ce196a68c2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5d708813c7ca - core[bd7107ce196a68c2]::fmt::write
[INFO] [stderr]      6:     0x5d708812e7d2 - std[2bf2fe0f5e2b469a]::io::default_write_fmt::<std[2bf2fe0f5e2b469a]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d708812e7d2 - <std[2bf2fe0f5e2b469a]::sys::stdio::unix::Stderr as std[2bf2fe0f5e2b469a]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5d708810a8cf - <std[2bf2fe0f5e2b469a]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5d708810a8cf - std[2bf2fe0f5e2b469a]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5d7088123791 - std[2bf2fe0f5e2b469a]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5d708812394b - std[2bf2fe0f5e2b469a]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5d708810a988 - std[2bf2fe0f5e2b469a]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5d70880ffae9 - std[2bf2fe0f5e2b469a]::sys::backtrace::__rust_end_short_backtrace::<std[2bf2fe0f5e2b469a]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5d708810b2ed - __rustc[8d4a95d2a951f29f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5d708813cfdc - core[bd7107ce196a68c2]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5d70880b1e46 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h6dba86bceb14c713
[INFO] [stderr]     17:     0x5d70880b6509 - core::option::Option<T>::unwrap_or_else::h80294b4747f76a5c
[INFO] [stderr]     18:     0x5d70880b1dcc - build_script_build::cmd_finder::CommandFinder::must_have::he494917cdb2b5cec
[INFO] [stderr]     19:     0x5d70880b4bf3 - build_script_build::main::h1776342c13b0b43b
[INFO] [stderr]     20:     0x5d70880b5ae3 - core::ops::function::FnOnce::call_once::h1374762b6fd86b25
[INFO] [stderr]     21:     0x5d70880b56c6 - std::sys::backtrace::__rust_begin_short_backtrace::hcd488da8d1e6c053
[INFO] [stderr]     22:     0x5d70880b5639 - std::rt::lang_start::{{closure}}::h6dbb19aeda4e5eb3
[INFO] [stderr]     23:     0x5d7088122884 - <&dyn core[bd7107ce196a68c2]::ops::function::Fn<(), Output = i32> + core[bd7107ce196a68c2]::marker::Sync + core[bd7107ce196a68c2]::panic::unwind_safe::RefUnwindSafe as core[bd7107ce196a68c2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panicking::catch_unwind::do_call::<&dyn core[bd7107ce196a68c2]::ops::function::Fn<(), Output = i32> + core[bd7107ce196a68c2]::marker::Sync + core[bd7107ce196a68c2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panicking::catch_unwind::<i32, &dyn core[bd7107ce196a68c2]::ops::function::Fn<(), Output = i32> + core[bd7107ce196a68c2]::marker::Sync + core[bd7107ce196a68c2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panic::catch_unwind::<&dyn core[bd7107ce196a68c2]::ops::function::Fn<(), Output = i32> + core[bd7107ce196a68c2]::marker::Sync + core[bd7107ce196a68c2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panicking::catch_unwind::do_call::<std[2bf2fe0f5e2b469a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panicking::catch_unwind::<isize, std[2bf2fe0f5e2b469a]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::panic::catch_unwind::<std[2bf2fe0f5e2b469a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5d7088122884 - std[2bf2fe0f5e2b469a]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/cc969f3c457b2ce350fb9fda6c784cc9813b5c71/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5d70880b5621 - std::rt::lang_start::ha23344ccc35eb648
[INFO] [stderr]     33:     0x5d70880b7b55 - main
[INFO] [stderr]     34:     0x76b275a991ca - <unknown>
[INFO] [stderr]     35:     0x76b275a9928b - __libc_start_main
[INFO] [stderr]     36:     0x5d70880b0f25 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef5c2a82caa0282f7701d2d291d7ed838d3a038dae782c93687c27a51abbda9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5c2a82caa0282f7701d2d291d7ed838d3a038dae782c93687c27a51abbda9e", kill_on_drop: false }`
[INFO] [stdout] ef5c2a82caa0282f7701d2d291d7ed838d3a038dae782c93687c27a51abbda9e