[INFO] cloning repository https://github.com/Aganthor/vulkano-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aganthor/vulkano-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f447533881d174621145fbcb727e1560b8331911
[INFO] checking Aganthor/vulkano-tutorial against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aganthor/vulkano-tutorial on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aganthor/vulkano-tutorial
[INFO] finished tweaking git repo https://github.com/Aganthor/vulkano-tutorial
[INFO] tweaked toml for git repo https://github.com/Aganthor/vulkano-tutorial written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Aganthor/vulkano-tutorial 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa16cd1627a50785fe3753657d5d4d5ffc993f7ba78a4eec5a16b468932d6ccf
[INFO] running `Command { std: "docker" "start" "-a" "aa16cd1627a50785fe3753657d5d4d5ffc993f7ba78a4eec5a16b468932d6ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa16cd1627a50785fe3753657d5d4d5ffc993f7ba78a4eec5a16b468932d6ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa16cd1627a50785fe3753657d5d4d5ffc993f7ba78a4eec5a16b468932d6ccf", kill_on_drop: false }`
[INFO] [stdout] aa16cd1627a50785fe3753657d5d4d5ffc993f7ba78a4eec5a16b468932d6ccf
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7fb9b5245caa4fa2518206ee2a8ce95b507e631a846021fd7402f1bd0c8b17
[INFO] running `Command { std: "docker" "start" "-a" "8e7fb9b5245caa4fa2518206ee2a8ce95b507e631a846021fd7402f1bd0c8b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking rand v0.7.3
[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-783f0b087a30405a/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' 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:     0x568686058e32 - std::backtrace_rs::backtrace::libunwind::trace::h76a675e3bed93fe4
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x568686058e32 - std::backtrace_rs::backtrace::trace_unsynchronized::hbe24d41fddbf213a
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x568686058e32 - std::sys::backtrace::_print_fmt::h61bce63f9138e231
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x568686058e32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h83064dac7c3d7d4e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56868607cfc3 - core::fmt::rt::Argument::fmt::h3b5ab7e22cd8a04c
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x56868607cfc3 - core::fmt::write::ha0b4fd5f79fd7783
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x568686055ad3 - std::io::default_write_fmt::hbd4baadb0e6e75fe
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x568686055ad3 - std::io::Write::write_fmt::hc34e0f4578180512
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x568686058c82 - std::sys::backtrace::BacktraceLock::print::hef7ee76eb345d78b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56868605a072 - std::panicking::default_hook::{{closure}}::h4d1fcb690be0806e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x568686059e75 - std::panicking::default_hook::h678d64c04011e5a5
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x56868605aa52 - std::panicking::rust_panic_with_hook::hb834795fb6cb5eb3
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x56868605a7da - std::panicking::begin_panic_handler::{{closure}}::h93e25349bcf97d0e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x568686059339 - std::sys::backtrace::__rust_end_short_backtrace::hce12881bdea21d65
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x56868605a46d - __rustc[64dab68cc01ac0bb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x56868607bef0 - core::panicking::panic_fmt::h8f158a07adb5c9bf
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x568685ff0d98 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h58976363b8861aac
[INFO] [stderr]     17:     0x568685fee865 - core::option::Option<T>::unwrap_or_else::h885b753112bb56e8
[INFO] [stderr]     18:     0x568685ff0d1c - build_script_build::cmd_finder::CommandFinder::must_have::h97dedc578cd7d530
[INFO] [stderr]     19:     0x568685ff3670 - build_script_build::main::hb3a0e29bca347053
[INFO] [stderr]     20:     0x568685fee053 - core::ops::function::FnOnce::call_once::h34d6c8b4e9b0704b
[INFO] [stderr]     21:     0x568685fed8a6 - std::sys::backtrace::__rust_begin_short_backtrace::h233d7d121203fa2b
[INFO] [stderr]     22:     0x568685fed7e9 - std::rt::lang_start::{{closure}}::h4cc393f472cb7de7
[INFO] [stderr]     23:     0x5686860517e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0718dfbaf4dda687
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5686860517e0 - std::panicking::try::do_call::hac94109376a2feb6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5686860517e0 - std::panicking::try::h80ad42a7225a38d6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5686860517e0 - std::panic::catch_unwind::h6128c327fb0ebbf6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5686860517e0 - std::rt::lang_start_internal::{{closure}}::h49cf5bbb1bc1d295
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:168:24
[INFO] [stderr]     28:     0x5686860517e0 - std::panicking::try::do_call::hb39c0d6e393b1411
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5686860517e0 - std::panicking::try::he79a2dee8af6d87b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5686860517e0 - std::panic::catch_unwind::hb8f4a6fb4188066d
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5686860517e0 - std::rt::lang_start_internal::ha33f3ff8925b54c0
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:164:5
[INFO] [stderr]     32:     0x568685fed7d1 - std::rt::lang_start::h341442ca7bcbfb39
[INFO] [stderr]     33:     0x568685ff3ff5 - main
[INFO] [stderr]     34:     0x7a72755471ca - <unknown>
[INFO] [stderr]     35:     0x7a727554728b - __libc_start_main
[INFO] [stderr]     36:     0x568685fed005 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e7fb9b5245caa4fa2518206ee2a8ce95b507e631a846021fd7402f1bd0c8b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7fb9b5245caa4fa2518206ee2a8ce95b507e631a846021fd7402f1bd0c8b17", kill_on_drop: false }`
[INFO] [stdout] 8e7fb9b5245caa4fa2518206ee2a8ce95b507e631a846021fd7402f1bd0c8b17
