[INFO] cloning repository https://github.com/hakuhan/VulkanTutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hakuhan/VulkanTutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakuhan%2FVulkanTutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakuhan%2FVulkanTutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8988a0cb86ed82d81e53610fc78cfcec7191cb1
[INFO] checking hakuhan/VulkanTutorial against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhakuhan%2FVulkanTutorial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hakuhan/VulkanTutorial
[INFO] finished tweaking git repo https://github.com/hakuhan/VulkanTutorial
[INFO] tweaked toml for git repo https://github.com/hakuhan/VulkanTutorial written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hakuhan/VulkanTutorial on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hakuhan/VulkanTutorial 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-handle v0.4.2
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded vulkano-win v0.20.0
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded cmake v0.1.46
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded vulkano-shaders v0.20.0
[INFO] [stderr]   Downloaded vk-sys v0.5.3
[INFO] [stderr]   Downloaded pkg-config v0.3.23
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded vulkano v0.20.0
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00abf1fa4547019ffdb14bc8f96fe787eeabb0331757e2dda8ca3d6bf21c228e
[INFO] running `Command { std: "docker" "start" "-a" "00abf1fa4547019ffdb14bc8f96fe787eeabb0331757e2dda8ca3d6bf21c228e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00abf1fa4547019ffdb14bc8f96fe787eeabb0331757e2dda8ca3d6bf21c228e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00abf1fa4547019ffdb14bc8f96fe787eeabb0331757e2dda8ca3d6bf21c228e", kill_on_drop: false }`
[INFO] [stdout] 00abf1fa4547019ffdb14bc8f96fe787eeabb0331757e2dda8ca3d6bf21c228e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e5f50bffedfb95647f4007095b2e96a4661d2c0d676796886a63414b4bac250
[INFO] running `Command { std: "docker" "start" "-a" "2e5f50bffedfb95647f4007095b2e96a4661d2c0d676796886a63414b4bac250", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling pkg-config v0.3.23
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3`
[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-9ee2cbb70a2a261f/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' (369) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/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:     0x61f959de5a62 - std[eec8f75a7a098899]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61f959de5a62 - std[eec8f75a7a098899]::backtrace_rs::backtrace::trace_unsynchronized::<std[eec8f75a7a098899]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61f959de5a62 - std[eec8f75a7a098899]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/sys/backtrace.rs:68:9
[INFO] [stderr]      3:     0x61f959de5a62 - <<std[eec8f75a7a098899]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c7210762872bdbbf]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/sys/backtrace.rs:38:26
[INFO] [stderr]      4:     0x61f959dfa857 - <core[c7210762872bdbbf]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61f959dfa857 - core[c7210762872bdbbf]::fmt::write
[INFO] [stderr]      6:     0x61f959dec3e6 - std[eec8f75a7a098899]::io::default_write_fmt::<std[eec8f75a7a098899]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x61f959dec3e6 - <std[eec8f75a7a098899]::sys::stdio::unix::Stderr as std[eec8f75a7a098899]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x61f959dc6a6f - <std[eec8f75a7a098899]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/sys/backtrace.rs:41:9
[INFO] [stderr]      9:     0x61f959dc6a6f - std[eec8f75a7a098899]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x61f959de0171 - std[eec8f75a7a098899]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x61f959de032b - std[eec8f75a7a098899]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x61f959dc6b28 - std[eec8f75a7a098899]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x61f959dbe3e9 - std[eec8f75a7a098899]::sys::backtrace::__rust_end_short_backtrace::<std[eec8f75a7a098899]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/sys/backtrace.rs:176:18
[INFO] [stderr]     14:     0x61f959dc758d - __rustc[da847b0bb261331d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x61f959dfaeac - core[c7210762872bdbbf]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61f959d5a446 - <build_script_build[c5b9f2321506c186]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x61f959d58cb9 - <core[c7210762872bdbbf]::option::Option<std[eec8f75a7a098899]::path::PathBuf>>::unwrap_or_else::<<build_script_build[c5b9f2321506c186]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x61f959d58b8c - <build_script_build[c5b9f2321506c186]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x61f959d5dc8a - build_script_build[c5b9f2321506c186]::main
[INFO] [stderr]     20:     0x61f959d601b3 - <fn() as core[c7210762872bdbbf]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x61f959d59936 - std[eec8f75a7a098899]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x61f959d5a469 - std[eec8f75a7a098899]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x61f959ddf286 - <&dyn core[c7210762872bdbbf]::ops::function::Fn<(), Output = i32> + core[c7210762872bdbbf]::marker::Sync + core[c7210762872bdbbf]::panic::unwind_safe::RefUnwindSafe as core[c7210762872bdbbf]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x61f959ddf286 - std[eec8f75a7a098899]::panicking::catch_unwind::do_call::<&dyn core[c7210762872bdbbf]::ops::function::Fn<(), Output = i32> + core[c7210762872bdbbf]::marker::Sync + core[c7210762872bdbbf]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x61f959ddf286 - std[eec8f75a7a098899]::panicking::catch_unwind::<i32, &dyn core[c7210762872bdbbf]::ops::function::Fn<(), Output = i32> + core[c7210762872bdbbf]::marker::Sync + core[c7210762872bdbbf]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x61f959ddf286 - std[eec8f75a7a098899]::panic::catch_unwind::<&dyn core[c7210762872bdbbf]::ops::function::Fn<(), Output = i32> + core[c7210762872bdbbf]::marker::Sync + core[c7210762872bdbbf]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x61f959ddf286 - std[eec8f75a7a098899]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x61f959ddf286 - std[eec8f75a7a098899]::panicking::catch_unwind::do_call::<std[eec8f75a7a098899]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x61f959ddf286 - std[eec8f75a7a098899]::panicking::catch_unwind::<isize, std[eec8f75a7a098899]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x61f959ddf286 - std[eec8f75a7a098899]::panic::catch_unwind::<std[eec8f75a7a098899]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x61f959ddf286 - std[eec8f75a7a098899]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/0c70cfbec949d241375e31c5a42066be70c720fc/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x61f959d59921 - std[eec8f75a7a098899]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x61f959d60335 - main
[INFO] [stderr]     34:     0x73f7df6271ca - <unknown>
[INFO] [stderr]     35:     0x73f7df62728b - __libc_start_main
[INFO] [stderr]     36:     0x61f959d57c45 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2e5f50bffedfb95647f4007095b2e96a4661d2c0d676796886a63414b4bac250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5f50bffedfb95647f4007095b2e96a4661d2c0d676796886a63414b4bac250", kill_on_drop: false }`
[INFO] [stdout] 2e5f50bffedfb95647f4007095b2e96a4661d2c0d676796886a63414b4bac250