[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#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetok414%2Fsimple_nn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/etok414/simple_nn on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "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]     Blocking waiting for file lock on package cache
[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 downcast-rs v1.0.4
[INFO] [stderr]   Downloaded rusttype v0.7.7
[INFO] [stderr]   Downloaded stb_truetype v0.2.6
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[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded rayon v1.1.0
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[INFO] [stderr]   Downloaded winit v0.19.2
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[INFO] [stderr]   Downloaded gif v0.10.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded rayon-core v1.5.0
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[INFO] [stderr]   Downloaded objc_exception v0.1.1
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[INFO] [stderr]   Downloaded env_perm v0.1.3
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[INFO] [stderr]   Downloaded moltenvk_deps v0.1.8
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[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded vulkano-shaders v0.14.0
[INFO] [stderr]   Downloaded conrod_derive v0.67.0
[INFO] [stderr]   Downloaded lyon v0.14.1
[INFO] [stderr]   Downloaded x11-dl v2.18.3
[INFO] [stderr]   Downloaded lyon_algorithms v0.14.0
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[INFO] [stderr]   Downloaded curl-sys v0.4.21
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[INFO] [stderr]   Downloaded conrod_core v0.67.0
[INFO] [stderr]   Downloaded lyon_tessellation v0.14.1
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 285c7e4b23a8eb95f18ffce5aed6674bffdfd1f88a59b8d20edd29994f78d8d2
[INFO] running `Command { std: "docker" "start" "-a" "285c7e4b23a8eb95f18ffce5aed6674bffdfd1f88a59b8d20edd29994f78d8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "285c7e4b23a8eb95f18ffce5aed6674bffdfd1f88a59b8d20edd29994f78d8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285c7e4b23a8eb95f18ffce5aed6674bffdfd1f88a59b8d20edd29994f78d8d2", kill_on_drop: false }`
[INFO] [stdout] 285c7e4b23a8eb95f18ffce5aed6674bffdfd1f88a59b8d20edd29994f78d8d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7265a0d37f0e2487364cf5920e9e7fd3c4dfac57322ac9c9b12ea7e2de2bc930
[INFO] running `Command { std: "docker" "start" "-a" "7265a0d37f0e2487364cf5920e9e7fd3c4dfac57322ac9c9b12ea7e2de2bc930", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.3
[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] 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-e6c4045dd9fcfea1/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' (844) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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:     0x56fffb7e2ab2 - std::backtrace_rs::backtrace::libunwind::trace::h1970e67b2cd270b9
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56fffb7e2ab2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc7b359bfc0d13de8
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56fffb7e2ab2 - std::sys::backtrace::_print_fmt::h701a76b69b3bb3e2
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56fffb7e2ab2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h43e4263445ba022b
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56fffb7f2c3f - core::fmt::rt::Argument::fmt::h830247f1adad511f
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x56fffb7f2c3f - core::fmt::write::h4c16295a0bd61f3c
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x56fffb7b3b63 - std::io::default_write_fmt::hfc76503c34f98834
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56fffb7b3b63 - std::io::Write::write_fmt::hf11cbaace1ee4980
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x56fffb7be262 - std::sys::backtrace::BacktraceLock::print::hefa34b6840eb0ead
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56fffb7c0b1c - std::panicking::default_hook::{{closure}}::h50547d56729ca69d
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x56fffb7c0976 - std::panicking::default_hook::hfc7171463c93ef10
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x56fffb7c10f5 - std::panicking::panic_with_hook::hbb2cef370b951e47
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x56fffb7c0f8a - std::panicking::panic_handler::{{closure}}::h661f84bd25f1eb9e
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x56fffb7be3a9 - std::sys::backtrace::__rust_end_short_backtrace::hefbe60e7c80a29d4
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x56fffb7a7e1d - __rustc[618a55cd962e06d8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x56fffb7f6690 - core::panicking::panic_fmt::hf8d1e7ccff5afa16
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56fffb76524b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hcf070cdc02521903
[INFO] [stderr]     17:     0x56fffb769a69 - core::option::Option<T>::unwrap_or_else::h09977902faf4816a
[INFO] [stderr]     18:     0x56fffb7651cc - build_script_build::cmd_finder::CommandFinder::must_have::ha4ad0356ffabe13a
[INFO] [stderr]     19:     0x56fffb767e40 - build_script_build::main::h712388b449a60f71
[INFO] [stderr]     20:     0x56fffb768e43 - core::ops::function::FnOnce::call_once::h7b8d5468422cbfb5
[INFO] [stderr]     21:     0x56fffb7689a6 - std::sys::backtrace::__rust_begin_short_backtrace::hebc9af3df123348e
[INFO] [stderr]     22:     0x56fffb7688d9 - std::rt::lang_start::{{closure}}::hfc9377266e959b72
[INFO] [stderr]     23:     0x56fffb7b52a0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb6a3d32a2695937f
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x56fffb7b52a0 - std::panicking::catch_unwind::do_call::h28ef54babab57caa
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x56fffb7b52a0 - std::panicking::catch_unwind::h6368f28f042e2c7a
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x56fffb7b52a0 - std::panic::catch_unwind::h7e9800de993f7592
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56fffb7b52a0 - std::rt::lang_start_internal::{{closure}}::h35c3d1911128eb2f
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56fffb7b52a0 - std::panicking::catch_unwind::do_call::h82a719c3d5f2fc6a
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x56fffb7b52a0 - std::panicking::catch_unwind::h6d36f0a1939e434c
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x56fffb7b52a0 - std::panic::catch_unwind::hd2cf2e89f1490a3e
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56fffb7b52a0 - std::rt::lang_start_internal::h170d55e82a57c035
[INFO] [stderr]                                  at /rustc/f5e2df741b4a9820a7579f0c8eccc951706a8782/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56fffb7688c1 - std::rt::lang_start::h919c6b983ce7edf0
[INFO] [stderr]     33:     0x56fffb76b255 - main
[INFO] [stderr]     34:     0x7c7397fe11ca - <unknown>
[INFO] [stderr]     35:     0x7c7397fe128b - __libc_start_main
[INFO] [stderr]     36:     0x56fffb7642e5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7265a0d37f0e2487364cf5920e9e7fd3c4dfac57322ac9c9b12ea7e2de2bc930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7265a0d37f0e2487364cf5920e9e7fd3c4dfac57322ac9c9b12ea7e2de2bc930", kill_on_drop: false }`
[INFO] [stdout] 7265a0d37f0e2487364cf5920e9e7fd3c4dfac57322ac9c9b12ea7e2de2bc930
