[INFO] cloning repository https://github.com/macostea/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/macostea/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacostea%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacostea%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8db7fad4595086fc41a60079085ed4c5ca7313c9 [INFO] checking macostea/learning-rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacostea%2Flearning-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/macostea/learning-rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/macostea/learning-rust [INFO] finished tweaking git repo https://github.com/macostea/learning-rust [INFO] tweaked toml for git repo https://github.com/macostea/learning-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/macostea/learning-rust 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vulkano-shaders v0.19.0 [INFO] [stderr] Downloaded vk-sys v0.5.2 [INFO] [stderr] Downloaded simba v0.2.4 [INFO] [stderr] Downloaded nalgebra v0.22.1 [INFO] [stderr] Downloaded vulkano v0.19.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53f5694a92744426e747ee93ee09b6ea02730f41a5ff9f6e2034d6c99305a6c5 [INFO] running `Command { std: "docker" "start" "-a" "53f5694a92744426e747ee93ee09b6ea02730f41a5ff9f6e2034d6c99305a6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53f5694a92744426e747ee93ee09b6ea02730f41a5ff9f6e2034d6c99305a6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53f5694a92744426e747ee93ee09b6ea02730f41a5ff9f6e2034d6c99305a6c5", kill_on_drop: false }` [INFO] [stdout] 53f5694a92744426e747ee93ee09b6ea02730f41a5ff9f6e2034d6c99305a6c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcdb8fbc662fdbd2618e39a15fc5af0cef14987f7a1ccc4a92fef80fd85cf138 [INFO] running `Command { std: "docker" "start" "-a" "bcdb8fbc662fdbd2618e39a15fc5af0cef14987f7a1ccc4a92fef80fd85cf138", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cc v1.0.61 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling shaderc-sys v0.6.2 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [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] [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-89bf02817ad43e45/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-0.6.2/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: 0x5581a7841155 - std::backtrace_rs::backtrace::libunwind::trace::hb0d415bcff8c04ff [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x5581a7841155 - std::backtrace_rs::backtrace::trace_unsynchronized::hd3beb7af6a65b2fb [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5581a7841155 - std::sys_common::backtrace::_print_fmt::hb94d89680d7f5d1c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x5581a7841155 - ::fmt::h42d21e2ba62fd274 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x5581a7864e2b - core::fmt::rt::Argument::fmt::h8932bbbd2b9c37fe [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x5581a7864e2b - core::fmt::write::h672f14b769052340 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x5581a783e48f - std::io::Write::write_fmt::h4d626b1d019eca5c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x5581a7840f2e - std::sys_common::backtrace::_print::h745e446c2e03c5ca [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x5581a7840f2e - std::sys_common::backtrace::print::hf0f0fa4fb70dca2c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x5581a78425b9 - std::panicking::default_hook::{{closure}}::h607769b198639ae5 [INFO] [stderr] 10: 0x5581a7842323 - std::panicking::default_hook::h1e5811a5a9298ba1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x5581a7842a54 - std::panicking::rust_panic_with_hook::hd0c5dc40875c06ef [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:789:13 [INFO] [stderr] 12: 0x5581a7842936 - std::panicking::begin_panic_handler::{{closure}}::hde3f6d4bced89f43 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:658:13 [INFO] [stderr] 13: 0x5581a7841619 - std::sys_common::backtrace::__rust_end_short_backtrace::h88e846e54ebde2e3 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x5581a7842667 - rust_begin_unwind [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:646:5 [INFO] [stderr] 15: 0x5581a77d0096 - core::panicking::panic_fmt::h5ffad3fb9ad671e0 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x5581a77d4656 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h5408b3c17ef0b61a [INFO] [stderr] 17: 0x5581a77d1b43 - core::option::Option::unwrap_or_else::h4167d2d1c5c8cecb [INFO] [stderr] 18: 0x5581a77d45b8 - build_script_build::cmd_finder::CommandFinder::must_have::h921b444fa8916d7c [INFO] [stderr] 19: 0x5581a77d75b5 - build_script_build::main::h017f084a32339684 [INFO] [stderr] 20: 0x5581a77d1393 - core::ops::function::FnOnce::call_once::h8d2656a8d2b6f72b [INFO] [stderr] 21: 0x5581a77d0796 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5910778a8f8cf255 [INFO] [stderr] 22: 0x5581a77d0e39 - std::rt::lang_start::{{closure}}::h2b71836c85242168 [INFO] [stderr] 23: 0x5581a783a811 - core::ops::function::impls:: for &F>::call_once::hf24a18568366726b [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 24: 0x5581a783a811 - std::panicking::try::do_call::hfe98fb6a5c700fa1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 25: 0x5581a783a811 - std::panicking::try::h887aaa509ba266ad [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 26: 0x5581a783a811 - std::panic::catch_unwind::hdb24f00ea5a307a8 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 27: 0x5581a783a811 - std::rt::lang_start_internal::{{closure}}::hacbffc0b2f55d28c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x5581a783a811 - std::panicking::try::do_call::hc810c59098be8c17 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 29: 0x5581a783a811 - std::panicking::try::h0d072b82be5f3f03 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 30: 0x5581a783a811 - std::panic::catch_unwind::hb0e7e36556665803 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 31: 0x5581a783a811 - std::rt::lang_start_internal::h4207974af80a0725 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x5581a77d0e17 - std::rt::lang_start::hce357c8c0f7b0302 [INFO] [stderr] 33: 0x5581a77d7f65 - main [INFO] [stderr] 34: 0x7fc6952d1d90 - [INFO] [stderr] 35: 0x7fc6952d1e40 - __libc_start_main [INFO] [stderr] 36: 0x5581a77d06c5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bcdb8fbc662fdbd2618e39a15fc5af0cef14987f7a1ccc4a92fef80fd85cf138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcdb8fbc662fdbd2618e39a15fc5af0cef14987f7a1ccc4a92fef80fd85cf138", kill_on_drop: false }` [INFO] [stdout] bcdb8fbc662fdbd2618e39a15fc5af0cef14987f7a1ccc4a92fef80fd85cf138