[INFO] cloning repository https://github.com/etok414/simple_nn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etok414/simple_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Fsimple_nn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Fsimple_nn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 225d3d0a81cd1bb185a126806b745eb932bfe5ba [INFO] checking etok414/simple_nn/225d3d0a81cd1bb185a126806b745eb932bfe5ba against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Fsimple_nn" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/etok414/simple_nn on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/etok414/simple_nn [INFO] finished tweaking git repo https://github.com/etok414/simple_nn [INFO] tweaked toml for git repo https://github.com/etok414/simple_nn written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/etok414/simple_nn 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/nannou-org/nannou` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding nannou v0.11.1 (https://github.com/nannou-org/nannou?branch=master#17f145df) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded objc_exception v0.1.1 [INFO] [stderr] Downloaded vk-sys v0.4.0 [INFO] [stderr] Downloaded vulkano v0.14.0 [INFO] [stderr] Downloaded vulkano-shaders v0.14.0 [INFO] [stderr] Downloaded syn v0.15.42 [INFO] [stderr] Downloaded half v1.3.0 [INFO] [stderr] Downloaded instant v0.1.1 [INFO] [stderr] Downloaded metal v0.13.1 [INFO] [stderr] Downloaded vulkano-win v0.14.0 [INFO] [stderr] Downloaded env_perm v0.1.3 [INFO] [stderr] Downloaded moltenvk_deps v0.1.8 [INFO] [stderr] Downloaded noise v0.5.1 [INFO] [stderr] Downloaded shaderc v0.6.1 [INFO] [stderr] Downloaded conrod_derive v0.67.0 [INFO] [stderr] Downloaded shaderc-sys v0.6.1 [INFO] [stderr] Downloaded piston-viewport v0.5.0 [INFO] [stderr] Downloaded lyon_geom v0.14.0 [INFO] [stderr] Downloaded conrod_vulkano v0.67.0 [INFO] [stderr] Downloaded lyon_algorithms v0.14.0 [INFO] [stderr] Downloaded conrod_core v0.67.0 [INFO] [stderr] Downloaded curl v0.4.23 [INFO] [stderr] Downloaded pennereq v0.3.0 [INFO] [stderr] Downloaded pistoncore-input v0.24.0 [INFO] [stderr] Downloaded conrod_winit v0.67.0 [INFO] [stderr] Downloaded euclid v0.20.1 [INFO] [stderr] Downloaded lyon v0.14.1 [INFO] [stderr] Downloaded lyon_tessellation v0.14.1 [INFO] [stderr] Downloaded curl-sys v0.4.21 [INFO] [stderr] Downloaded pbr v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65fbc68b746ec2c49941ac9c586062de895754d953fd58a795e495dbfd14819b [INFO] running `Command { std: "docker" "start" "-a" "65fbc68b746ec2c49941ac9c586062de895754d953fd58a795e495dbfd14819b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65fbc68b746ec2c49941ac9c586062de895754d953fd58a795e495dbfd14819b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65fbc68b746ec2c49941ac9c586062de895754d953fd58a795e495dbfd14819b", kill_on_drop: false }` [INFO] [stdout] 65fbc68b746ec2c49941ac9c586062de895754d953fd58a795e495dbfd14819b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a738b2293348a352e24fdc26043f2fb01a44dfa2a4520321aa2805b6e2d1eb0 [INFO] running `Command { std: "docker" "start" "-a" "8a738b2293348a352e24fdc26043f2fb01a44dfa2a4520321aa2805b6e2d1eb0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking stb_truetype v0.2.6 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking rusttype v0.7.7 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling shaderc-sys v0.6.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking euclid v0.20.1 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking lyon_geom v0.14.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: shaderc-sys@0.6.1: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.1: System installed library not found. Falling back to build from source [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.1` [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-cc1d5cb055cd37be/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] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.1/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: 0x56f170adad3a - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x56f170adad3a - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56f170adad3a - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x56f170adad3a - ::fmt::h731c3e1b756ff019 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x56f170afd62b - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x56f170afd62b - core::fmt::write::h9c97613a183100ea [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21 [INFO] [stderr] 6: 0x56f170ad74d3 - std::io::Write::write_fmt::h7288d7c7dce2722e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x56f170adab82 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x56f170adc067 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x56f170adbe96 - std::panicking::default_hook::hd8d6e2273bfc5edc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x56f170adc667 - std::panicking::rust_panic_with_hook::hb332f821833efd3b [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x56f170adc507 - std::panicking::begin_panic_handler::{{closure}}::h00065c7fd19dfc55 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x56f170adb219 - std::sys::backtrace::__rust_end_short_backtrace::h10e475bd14bb8cb7 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x56f170adc194 - rust_begin_unwind [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x56f170afc493 - core::panicking::panic_fmt::h59e161f9c51d6f0e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/panicking.rs:74:14 [INFO] [stderr] 15: 0x56f170a725c3 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hce2092fa8eb8ed26 [INFO] [stderr] 16: 0x56f170a6fd73 - core::option::Option::unwrap_or_else::hd77c86ac468a0dd7 [INFO] [stderr] 17: 0x56f170a7252c - build_script_build::cmd_finder::CommandFinder::must_have::h4fc391fb35cca4ea [INFO] [stderr] 18: 0x56f170a751f0 - build_script_build::main::h6ba104f15a189127 [INFO] [stderr] 19: 0x56f170a6f683 - core::ops::function::FnOnce::call_once::he1217c76a03333c9 [INFO] [stderr] 20: 0x56f170a6efd6 - std::sys::backtrace::__rust_begin_short_backtrace::hbf3f331860f46249 [INFO] [stderr] 21: 0x56f170a6eef9 - std::rt::lang_start::{{closure}}::hcd80ab4301c855f5 [INFO] [stderr] 22: 0x56f170ad3bb0 - core::ops::function::impls:: for &F>::call_once::h00708edcd5cb0bf9 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x56f170ad3bb0 - std::panicking::try::do_call::h3211acb5ef596e26 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 24: 0x56f170ad3bb0 - std::panicking::try::hfc77046d1a78b97f [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 25: 0x56f170ad3bb0 - std::panic::catch_unwind::h8cc6f9c887e41bb5 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 26: 0x56f170ad3bb0 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48 [INFO] [stderr] 27: 0x56f170ad3bb0 - std::panicking::try::do_call::h7b341eaacca88c96 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 28: 0x56f170ad3bb0 - std::panicking::try::h2190145387d00b24 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 29: 0x56f170ad3bb0 - std::panic::catch_unwind::h39d0834a21ce2b28 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 30: 0x56f170ad3bb0 - std::rt::lang_start_internal::hf1cb939424e8449c [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20 [INFO] [stderr] 31: 0x56f170a6eed7 - std::rt::lang_start::h6854c0cb629fe1f7 [INFO] [stderr] 32: 0x56f170a75b95 - main [INFO] [stderr] 33: 0x7b3defbb8d90 - [INFO] [stderr] 34: 0x7b3defbb8e40 - __libc_start_main [INFO] [stderr] 35: 0x56f170a6e5f5 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8a738b2293348a352e24fdc26043f2fb01a44dfa2a4520321aa2805b6e2d1eb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a738b2293348a352e24fdc26043f2fb01a44dfa2a4520321aa2805b6e2d1eb0", kill_on_drop: false }` [INFO] [stdout] 8a738b2293348a352e24fdc26043f2fb01a44dfa2a4520321aa2805b6e2d1eb0