[INFO] cloning repository https://github.com/tuzz/learning-wgpu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/learning-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a98428c0258c10d52ab7a401dc40aa84187adba [INFO] testing tuzz/learning-wgpu against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tuzz/learning-wgpu [INFO] finished tweaking git repo https://github.com/tuzz/learning-wgpu [INFO] tweaked toml for git repo https://github.com/tuzz/learning-wgpu written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tuzz/learning-wgpu on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tuzz/learning-wgpu 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded core-graphics-types v0.1.0 [INFO] [stderr] Downloaded gfx-hal v0.5.3 [INFO] [stderr] Downloaded wgpu-native v0.5.1 [INFO] [stderr] Downloaded gfx-backend-empty v0.5.2 [INFO] [stderr] Downloaded core-foundation-sys v0.8.0 [INFO] [stderr] Downloaded core-foundation v0.9.0 [INFO] [stderr] Downloaded gfx-backend-vulkan v0.5.11 [INFO] [stderr] Downloaded d3d12 v0.3.1 [INFO] [stderr] Downloaded gfx-backend-dx11 v0.5.2 [INFO] [stderr] Downloaded wgpu v0.5.2 [INFO] [stderr] Downloaded wgpu-core v0.5.6 [INFO] [stderr] Downloaded gfx-backend-dx12 v0.5.8 [INFO] [stderr] Downloaded gfx-backend-metal v0.5.6 [INFO] [stderr] Downloaded winit v0.21.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef06be68ed43ed0de9b6396e91e8aa933a73aba19ff77797d290bca8c2abd873 [INFO] running `Command { std: "docker" "start" "-a" "ef06be68ed43ed0de9b6396e91e8aa933a73aba19ff77797d290bca8c2abd873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef06be68ed43ed0de9b6396e91e8aa933a73aba19ff77797d290bca8c2abd873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef06be68ed43ed0de9b6396e91e8aa933a73aba19ff77797d290bca8c2abd873", kill_on_drop: false }` [INFO] [stdout] ef06be68ed43ed0de9b6396e91e8aa933a73aba19ff77797d290bca8c2abd873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35debf3f5d4ecc804a977a31e35fa3bddcd05b66927c872299406aa07791fe19 [INFO] running `Command { std: "docker" "start" "-a" "35debf3f5d4ecc804a977a31e35fa3bddcd05b66927c872299406aa07791fe19", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling libloading v0.6.2 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling hibitset v0.6.3 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling ash v0.31.0 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling wayland-sys v0.23.6 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling gfx-hal v0.5.3 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling shaderc-sys v0.6.2 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling andrew v0.2.1 [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-3cd81833b23a18f8/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' (1406) 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: 0x64470838df72 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x64470838df72 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x64470838df72 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x64470838df72 - ::fmt::h5bb8a979ba5db788 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x64470839e22f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x64470839e22f - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x64470835f213 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x64470835f213 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x644708369a62 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x64470836c2cc - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x64470836c126 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x64470836c8a5 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x64470836c73a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x644708369b99 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x6447083531cd - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x6447083a1c40 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x64470830c7fb - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h650e263bc34fd902 [INFO] [stderr] 17: 0x644708311015 - core::option::Option::unwrap_or_else::hb08018c88caa4470 [INFO] [stderr] 18: 0x64470830c77c - build_script_build::cmd_finder::CommandFinder::must_have::h629fb073667d3934 [INFO] [stderr] 19: 0x64470830f445 - build_script_build::main::ha9a87b4e81d4ae28 [INFO] [stderr] 20: 0x644708310323 - core::ops::function::FnOnce::call_once::h1acc8dcec6fb3f9c [INFO] [stderr] 21: 0x64470830ffe6 - std::sys::backtrace::__rust_begin_short_backtrace::h9ac6ebe73313477c [INFO] [stderr] 22: 0x64470830ff69 - std::rt::lang_start::{{closure}}::h329a07d5a8933d55 [INFO] [stderr] 23: 0x644708360a80 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 24: 0x644708360a80 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x644708360a80 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x644708360a80 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x644708360a80 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x644708360a80 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x644708360a80 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x644708360a80 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x644708360a80 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x64470830ff51 - std::rt::lang_start::h94dd376115d516ef [INFO] [stderr] 33: 0x644708312955 - main [INFO] [stderr] 34: 0x7ca3814a71ca - [INFO] [stderr] 35: 0x7ca3814a728b - __libc_start_main [INFO] [stderr] 36: 0x64470830b8b5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "35debf3f5d4ecc804a977a31e35fa3bddcd05b66927c872299406aa07791fe19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35debf3f5d4ecc804a977a31e35fa3bddcd05b66927c872299406aa07791fe19", kill_on_drop: false }` [INFO] [stdout] 35debf3f5d4ecc804a977a31e35fa3bddcd05b66927c872299406aa07791fe19