[INFO] cloning repository https://github.com/joemspalding/wgpu-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joemspalding/wgpu-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed859352dc6752d57dab2be2d796a93029e755fe [INFO] testing joemspalding/wgpu-learn against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoemspalding%2Fwgpu-learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/joemspalding/wgpu-learn [INFO] finished tweaking git repo https://github.com/joemspalding/wgpu-learn [INFO] tweaked toml for git repo https://github.com/joemspalding/wgpu-learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/joemspalding/wgpu-learn on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/joemspalding/wgpu-learn 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3eb3cda6079f8ab2ebfab8dd87c4dfd7b209cfc56472103c56fcd799cb1db23e [INFO] running `Command { std: "docker" "start" "-a" "3eb3cda6079f8ab2ebfab8dd87c4dfd7b209cfc56472103c56fcd799cb1db23e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3eb3cda6079f8ab2ebfab8dd87c4dfd7b209cfc56472103c56fcd799cb1db23e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eb3cda6079f8ab2ebfab8dd87c4dfd7b209cfc56472103c56fcd799cb1db23e", kill_on_drop: false }` [INFO] [stdout] 3eb3cda6079f8ab2ebfab8dd87c4dfd7b209cfc56472103c56fcd799cb1db23e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c338b8c759f6699f9deca0db66518c4a987c6b38be973879340e891e5fa6dc8 [INFO] running `Command { std: "docker" "start" "-a" "2c338b8c759f6699f9deca0db66518c4a987c6b38be973879340e891e5fa6dc8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling libloading v0.6.5 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling smallvec v1.5.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling wayland-sys v0.23.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling futures-sink v0.3.8 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling gfx-hal v0.6.0 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling cc v1.0.62 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.0 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling spirv_headers v1.5.0 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling ash v0.31.0 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling weezl v0.1.3 [INFO] [stderr] Compiling inplace_it v0.3.2 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling tracing v0.1.21 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found. Falling back to build from source [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3` [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-014af7a1baa56eca/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' (1672) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/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: 0x58fd97f474fa - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x58fd97f474fa - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x58fd97f474fa - std[ec4e911328de40a6]::sys::backtrace::_print_fmt [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9 [INFO] [stderr] 3: 0x58fd97f474fa - <::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26 [INFO] [stderr] 4: 0x58fd97f5b82a - ::fmt [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76 [INFO] [stderr] 5: 0x58fd97f5b82a - core[a96a4c5c53f902a3]::fmt::write [INFO] [stderr] 6: 0x58fd97f4d602 - std[ec4e911328de40a6]::io::default_write_fmt:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x58fd97f4d602 - ::write_fmt [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13 [INFO] [stderr] 8: 0x58fd97f2850f - ::print [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9 [INFO] [stderr] 9: 0x58fd97f2850f - std[ec4e911328de40a6]::panicking::default_hook::{closure#0} [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27 [INFO] [stderr] 10: 0x58fd97f41c41 - std[ec4e911328de40a6]::panicking::default_hook [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:319:9 [INFO] [stderr] 11: 0x58fd97f41dfb - std[ec4e911328de40a6]::panicking::panic_with_hook [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:825:13 [INFO] [stderr] 12: 0x58fd97f285c8 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0} [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13 [INFO] [stderr] 13: 0x58fd97f1fe59 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18 [INFO] [stderr] 14: 0x58fd97f28f2d - __rustc[aa69f48705c57ca8]::rust_begin_unwind [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5 [INFO] [stderr] 15: 0x58fd97f5bf5c - core[a96a4c5c53f902a3]::panicking::panic_fmt [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x58fd97ec3a16 - ::must_have::<&str>::{closure#0} [INFO] [stderr] 17: 0x58fd97ec2399 - >::unwrap_or_else::<::must_have<&str>::{closure#0}> [INFO] [stderr] 18: 0x58fd97ec226c - ::must_have::<&str> [INFO] [stderr] 19: 0x58fd97ec725a - build_script_build[2c9a63bc28a7bba6]::main [INFO] [stderr] 20: 0x58fd97ec9673 - >::call_once [INFO] [stderr] 21: 0x58fd97ec2f36 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] 22: 0x58fd97ec3a39 - std[ec4e911328de40a6]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] 23: 0x58fd97f40d34 - <&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x58fd97f40d34 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync, i32> [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40 [INFO] [stderr] 25: 0x58fd97f40d34 - std[ec4e911328de40a6]::panicking::catch_unwind:: + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync> [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19 [INFO] [stderr] 26: 0x58fd97f40d34 - std[ec4e911328de40a6]::panic::catch_unwind::<&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync, i32> [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x58fd97f40d34 - std[ec4e911328de40a6]::rt::lang_start_internal::{closure#0} [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x58fd97f40d34 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40 [INFO] [stderr] 29: 0x58fd97f40d34 - std[ec4e911328de40a6]::panicking::catch_unwind:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19 [INFO] [stderr] 30: 0x58fd97f40d34 - std[ec4e911328de40a6]::panic::catch_unwind:: [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x58fd97f40d34 - std[ec4e911328de40a6]::rt::lang_start_internal [INFO] [stderr] at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x58fd97ec2f21 - std[ec4e911328de40a6]::rt::lang_start::<()> [INFO] [stderr] 33: 0x58fd97ec97f5 - main [INFO] [stderr] 34: 0x70e91b2901ca - [INFO] [stderr] 35: 0x70e91b29028b - __libc_start_main [INFO] [stderr] 36: 0x58fd97ec14b5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2c338b8c759f6699f9deca0db66518c4a987c6b38be973879340e891e5fa6dc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c338b8c759f6699f9deca0db66518c4a987c6b38be973879340e891e5fa6dc8", kill_on_drop: false }` [INFO] [stdout] 2c338b8c759f6699f9deca0db66518c4a987c6b38be973879340e891e5fa6dc8