[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#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenSandeen%2Flearning_vulkan" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenSandeen/learning_vulkan on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8df02805432038cd70340637f497202dca8943651f3bf2a98a7be8e4dea91cd
[INFO] running `Command { std: "docker" "start" "-a" "c8df02805432038cd70340637f497202dca8943651f3bf2a98a7be8e4dea91cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8df02805432038cd70340637f497202dca8943651f3bf2a98a7be8e4dea91cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8df02805432038cd70340637f497202dca8943651f3bf2a98a7be8e4dea91cd", kill_on_drop: false }`
[INFO] [stdout] c8df02805432038cd70340637f497202dca8943651f3bf2a98a7be8e4dea91cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a05fe83952e9d93e538ff01320389038208070fdfc19d4ffb65bd5c5aef258b5
[INFO] running `Command { std: "docker" "start" "-a" "a05fe83952e9d93e538ff01320389038208070fdfc19d4ffb65bd5c5aef258b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling vulkano v0.13.0
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling wayland-scanner 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-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' (541) 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:     0x56a76a465cda - std[14bf7ee402dca657]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56a76a465cda - std[14bf7ee402dca657]::backtrace_rs::backtrace::trace_unsynchronized::<std[14bf7ee402dca657]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56a76a465cda - std[14bf7ee402dca657]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x56a76a465cda - <<std[14bf7ee402dca657]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c78f5786263e26ef]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x56a76a479daa - <core[c78f5786263e26ef]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x56a76a479daa - core[c78f5786263e26ef]::fmt::write
[INFO] [stderr]      6:     0x56a76a46bdb2 - std[14bf7ee402dca657]::io::default_write_fmt::<std[14bf7ee402dca657]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56a76a46bdb2 - <std[14bf7ee402dca657]::sys::stdio::unix::Stderr as std[14bf7ee402dca657]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x56a76a447ddf - <std[14bf7ee402dca657]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x56a76a447ddf - std[14bf7ee402dca657]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x56a76a460b41 - std[14bf7ee402dca657]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x56a76a460cfb - std[14bf7ee402dca657]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x56a76a447e98 - std[14bf7ee402dca657]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x56a76a43d019 - std[14bf7ee402dca657]::sys::backtrace::__rust_end_short_backtrace::<std[14bf7ee402dca657]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x56a76a4487fd - __rustc[b8068e97bc8fdfd5]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x56a76a47a5bc - core[c78f5786263e26ef]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56a76a3f04e6 - <build_script_build[c8a552aab84c00ee]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x56a76a3eec19 - <core[c78f5786263e26ef]::option::Option<std[14bf7ee402dca657]::path::PathBuf>>::unwrap_or_else::<<build_script_build[c8a552aab84c00ee]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x56a76a3eef7c - <build_script_build[c8a552aab84c00ee]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x56a76a3f2d04 - build_script_build[c8a552aab84c00ee]::main
[INFO] [stderr]     20:     0x56a76a3f49b3 - <fn() as core[c78f5786263e26ef]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x56a76a3efa06 - std[14bf7ee402dca657]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x56a76a3f04f9 - std[14bf7ee402dca657]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x56a76a45fc36 - <&dyn core[c78f5786263e26ef]::ops::function::Fn<(), Output = i32> + core[c78f5786263e26ef]::panic::unwind_safe::RefUnwindSafe + core[c78f5786263e26ef]::marker::Sync as core[c78f5786263e26ef]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x56a76a45fc36 - std[14bf7ee402dca657]::panicking::catch_unwind::do_call::<&dyn core[c78f5786263e26ef]::ops::function::Fn<(), Output = i32> + core[c78f5786263e26ef]::panic::unwind_safe::RefUnwindSafe + core[c78f5786263e26ef]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x56a76a45fc36 - std[14bf7ee402dca657]::panicking::catch_unwind::<i32, &dyn core[c78f5786263e26ef]::ops::function::Fn<(), Output = i32> + core[c78f5786263e26ef]::panic::unwind_safe::RefUnwindSafe + core[c78f5786263e26ef]::marker::Sync>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x56a76a45fc36 - std[14bf7ee402dca657]::panic::catch_unwind::<&dyn core[c78f5786263e26ef]::ops::function::Fn<(), Output = i32> + core[c78f5786263e26ef]::panic::unwind_safe::RefUnwindSafe + core[c78f5786263e26ef]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56a76a45fc36 - std[14bf7ee402dca657]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56a76a45fc36 - std[14bf7ee402dca657]::panicking::catch_unwind::do_call::<std[14bf7ee402dca657]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x56a76a45fc36 - std[14bf7ee402dca657]::panicking::catch_unwind::<isize, std[14bf7ee402dca657]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x56a76a45fc36 - std[14bf7ee402dca657]::panic::catch_unwind::<std[14bf7ee402dca657]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56a76a45fc36 - std[14bf7ee402dca657]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56a76a3ef601 - std[14bf7ee402dca657]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x56a76a3f4b35 - main
[INFO] [stderr]     34:     0x78befa4f51ca - <unknown>
[INFO] [stderr]     35:     0x78befa4f528b - __libc_start_main
[INFO] [stderr]     36:     0x56a76a3ee305 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a05fe83952e9d93e538ff01320389038208070fdfc19d4ffb65bd5c5aef258b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05fe83952e9d93e538ff01320389038208070fdfc19d4ffb65bd5c5aef258b5", kill_on_drop: false }`
[INFO] [stdout] a05fe83952e9d93e538ff01320389038208070fdfc19d4ffb65bd5c5aef258b5
