[INFO] cloning repository https://github.com/Bravo555/vulkan-mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bravo555/vulkan-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbbffa15141976450466fcb9967c4f7abab84d7b
[INFO] checking Bravo555/vulkan-mandelbrot against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] finished tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] tweaked toml for git repo https://github.com/Bravo555/vulkan-mandelbrot written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bravo555/vulkan-mandelbrot on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bravo555/vulkan-mandelbrot 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 947f3e248c867edd6c9a1fdbc17a8df22fff55f36a8997ee8abe58e425c1c1c0
[INFO] running `Command { std: "docker" "start" "-a" "947f3e248c867edd6c9a1fdbc17a8df22fff55f36a8997ee8abe58e425c1c1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "947f3e248c867edd6c9a1fdbc17a8df22fff55f36a8997ee8abe58e425c1c1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947f3e248c867edd6c9a1fdbc17a8df22fff55f36a8997ee8abe58e425c1c1c0", kill_on_drop: false }`
[INFO] [stdout] 947f3e248c867edd6c9a1fdbc17a8df22fff55f36a8997ee8abe58e425c1c1c0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b4877620845411fb444647bd1ae78937dda328c4f8b19011b46d89b49b6565
[INFO] running `Command { std: "docker" "start" "-a" "88b4877620845411fb444647bd1ae78937dda328c4f8b19011b46d89b49b6565", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[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-fb175e7588d658f1/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' (651) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/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:     0x5a41a2af1892 - std[f685ba3b3d3afb7a]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a41a2af1892 - std[f685ba3b3d3afb7a]::backtrace_rs::backtrace::trace_unsynchronized::<std[f685ba3b3d3afb7a]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a41a2af1892 - std[f685ba3b3d3afb7a]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5a41a2af1892 - <<std[f685ba3b3d3afb7a]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a8cc8ce8da0675fc]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5a41a2b0621a - <core[a8cc8ce8da0675fc]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5a41a2b0621a - core[a8cc8ce8da0675fc]::fmt::write
[INFO] [stderr]      6:     0x5a41a2af7f06 - std[f685ba3b3d3afb7a]::io::default_write_fmt::<std[f685ba3b3d3afb7a]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a41a2af7f06 - <std[f685ba3b3d3afb7a]::sys::stdio::unix::Stderr as std[f685ba3b3d3afb7a]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5a41a2ad301f - <std[f685ba3b3d3afb7a]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5a41a2ad301f - std[f685ba3b3d3afb7a]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5a41a2aec6d1 - std[f685ba3b3d3afb7a]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5a41a2aec88b - std[f685ba3b3d3afb7a]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5a41a2ad30d8 - std[f685ba3b3d3afb7a]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5a41a2acaa89 - std[f685ba3b3d3afb7a]::sys::backtrace::__rust_end_short_backtrace::<std[f685ba3b3d3afb7a]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5a41a2ad3a7d - __rustc[ef2509d3e5d707fc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5a41a2b0688c - core[a8cc8ce8da0675fc]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5a41a2a76366 - <build_script_build[8951db3968b50b93]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5a41a2a74db9 - <core[a8cc8ce8da0675fc]::option::Option<std[f685ba3b3d3afb7a]::path::PathBuf>>::unwrap_or_else::<<build_script_build[8951db3968b50b93]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5a41a2a74d3c - <build_script_build[8951db3968b50b93]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5a41a2a791f2 - build_script_build[8951db3968b50b93]::main
[INFO] [stderr]     20:     0x5a41a2a7ac13 - <fn() as core[a8cc8ce8da0675fc]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5a41a2a75886 - std[f685ba3b3d3afb7a]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5a41a2a76389 - std[f685ba3b3d3afb7a]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5a41a2aeb816 - <&dyn core[a8cc8ce8da0675fc]::ops::function::Fn<(), Output = i32> + core[a8cc8ce8da0675fc]::marker::Sync + core[a8cc8ce8da0675fc]::panic::unwind_safe::RefUnwindSafe as core[a8cc8ce8da0675fc]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panicking::catch_unwind::do_call::<&dyn core[a8cc8ce8da0675fc]::ops::function::Fn<(), Output = i32> + core[a8cc8ce8da0675fc]::marker::Sync + core[a8cc8ce8da0675fc]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panicking::catch_unwind::<i32, &dyn core[a8cc8ce8da0675fc]::ops::function::Fn<(), Output = i32> + core[a8cc8ce8da0675fc]::marker::Sync + core[a8cc8ce8da0675fc]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panic::catch_unwind::<&dyn core[a8cc8ce8da0675fc]::ops::function::Fn<(), Output = i32> + core[a8cc8ce8da0675fc]::marker::Sync + core[a8cc8ce8da0675fc]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panicking::catch_unwind::do_call::<std[f685ba3b3d3afb7a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panicking::catch_unwind::<isize, std[f685ba3b3d3afb7a]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::panic::catch_unwind::<std[f685ba3b3d3afb7a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5a41a2aeb816 - std[f685ba3b3d3afb7a]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5a41a2a75871 - std[f685ba3b3d3afb7a]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5a41a2a7ad95 - main
[INFO] [stderr]     34:     0x7f4055fa51ca - <unknown>
[INFO] [stderr]     35:     0x7f4055fa528b - __libc_start_main
[INFO] [stderr]     36:     0x5a41a2a740f5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "88b4877620845411fb444647bd1ae78937dda328c4f8b19011b46d89b49b6565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b4877620845411fb444647bd1ae78937dda328c4f8b19011b46d89b49b6565", kill_on_drop: false }`
[INFO] [stdout] 88b4877620845411fb444647bd1ae78937dda328c4f8b19011b46d89b49b6565
