[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 master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenSandeen/learning_vulkan on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.21.13
[INFO] [stderr]   Downloaded wayland-sys v0.21.13
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded wayland-scanner v0.21.13
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded shaderc v0.5.1
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded vulkano-win v0.13.0
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded xml-rs v0.8.1
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.6
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded wayland-client v0.21.13
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded wayland-protocols v0.21.13
[INFO] [stderr]   Downloaded half v1.5.0
[INFO] [stderr]   Downloaded rusttype v0.8.2
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded vulkano-shaders v0.13.0
[INFO] [stderr]   Downloaded vulkano v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.35
[INFO] [stderr]   Downloaded shaderc-sys v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370e1c9d215cd374ac242ef71dd770c600aff75dbe1a3e1547819fc6e8fe37f1
[INFO] running `Command { std: "docker" "start" "-a" "370e1c9d215cd374ac242ef71dd770c600aff75dbe1a3e1547819fc6e8fe37f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370e1c9d215cd374ac242ef71dd770c600aff75dbe1a3e1547819fc6e8fe37f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370e1c9d215cd374ac242ef71dd770c600aff75dbe1a3e1547819fc6e8fe37f1", kill_on_drop: false }`
[INFO] [stdout] 370e1c9d215cd374ac242ef71dd770c600aff75dbe1a3e1547819fc6e8fe37f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b71434faed8b354072d014c9b854d5ae6655e443569592a5ea73f1dd16b37bd
[INFO] running `Command { std: "docker" "start" "-a" "1b71434faed8b354072d014c9b854d5ae6655e443569592a5ea73f1dd16b37bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[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-6f9629b4f2b20aea/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' (604) 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:     0x56ed66269c0a - std[d6797bd5c5b87734]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56ed66269c0a - std[d6797bd5c5b87734]::backtrace_rs::backtrace::trace_unsynchronized::<std[d6797bd5c5b87734]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56ed66269c0a - std[d6797bd5c5b87734]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x56ed66269c0a - <<std[d6797bd5c5b87734]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[41b2f257aac66749]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x56ed6627dcda - <core[41b2f257aac66749]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x56ed6627dcda - core[41b2f257aac66749]::fmt::write
[INFO] [stderr]      6:     0x56ed6626fce2 - std[d6797bd5c5b87734]::io::default_write_fmt::<std[d6797bd5c5b87734]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56ed6626fce2 - <std[d6797bd5c5b87734]::sys::stdio::unix::Stderr as std[d6797bd5c5b87734]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x56ed6624bcbf - <std[d6797bd5c5b87734]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x56ed6624bcbf - std[d6797bd5c5b87734]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x56ed66264a71 - std[d6797bd5c5b87734]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x56ed66264c2b - std[d6797bd5c5b87734]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x56ed6624bd78 - std[d6797bd5c5b87734]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x56ed66243689 - std[d6797bd5c5b87734]::sys::backtrace::__rust_end_short_backtrace::<std[d6797bd5c5b87734]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x56ed6624c6dd - __rustc[54dc6978d45d35b1]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x56ed6627e34c - core[41b2f257aac66749]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56ed661f4496 - <build_script_build[74c649e5a25f0696]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x56ed661f2bc9 - <core[41b2f257aac66749]::option::Option<std[d6797bd5c5b87734]::path::PathBuf>>::unwrap_or_else::<<build_script_build[74c649e5a25f0696]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x56ed661f2f2c - <build_script_build[74c649e5a25f0696]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x56ed661f6cb4 - build_script_build[74c649e5a25f0696]::main
[INFO] [stderr]     20:     0x56ed661f8963 - <fn() as core[41b2f257aac66749]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x56ed661f39b6 - std[d6797bd5c5b87734]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x56ed661f44b9 - std[d6797bd5c5b87734]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x56ed66263b66 - <&dyn core[41b2f257aac66749]::ops::function::Fn<(), Output = i32> + core[41b2f257aac66749]::panic::unwind_safe::RefUnwindSafe + core[41b2f257aac66749]::marker::Sync as core[41b2f257aac66749]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x56ed66263b66 - std[d6797bd5c5b87734]::panicking::catch_unwind::do_call::<&dyn core[41b2f257aac66749]::ops::function::Fn<(), Output = i32> + core[41b2f257aac66749]::panic::unwind_safe::RefUnwindSafe + core[41b2f257aac66749]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x56ed66263b66 - std[d6797bd5c5b87734]::panicking::catch_unwind::<i32, &dyn core[41b2f257aac66749]::ops::function::Fn<(), Output = i32> + core[41b2f257aac66749]::panic::unwind_safe::RefUnwindSafe + core[41b2f257aac66749]::marker::Sync>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x56ed66263b66 - std[d6797bd5c5b87734]::panic::catch_unwind::<&dyn core[41b2f257aac66749]::ops::function::Fn<(), Output = i32> + core[41b2f257aac66749]::panic::unwind_safe::RefUnwindSafe + core[41b2f257aac66749]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56ed66263b66 - std[d6797bd5c5b87734]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56ed66263b66 - std[d6797bd5c5b87734]::panicking::catch_unwind::do_call::<std[d6797bd5c5b87734]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x56ed66263b66 - std[d6797bd5c5b87734]::panicking::catch_unwind::<isize, std[d6797bd5c5b87734]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x56ed66263b66 - std[d6797bd5c5b87734]::panic::catch_unwind::<std[d6797bd5c5b87734]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56ed66263b66 - std[d6797bd5c5b87734]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56ed661f39a1 - std[d6797bd5c5b87734]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x56ed661f8ae5 - main
[INFO] [stderr]     34:     0x705d1cc021ca - <unknown>
[INFO] [stderr]     35:     0x705d1cc0228b - __libc_start_main
[INFO] [stderr]     36:     0x56ed661f22b5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b71434faed8b354072d014c9b854d5ae6655e443569592a5ea73f1dd16b37bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b71434faed8b354072d014c9b854d5ae6655e443569592a5ea73f1dd16b37bd", kill_on_drop: false }`
[INFO] [stdout] 1b71434faed8b354072d014c9b854d5ae6655e443569592a5ea73f1dd16b37bd
