[INFO] fetching crate carbide 0.70.1...
[INFO] checking carbide-0.70.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate carbide 0.70.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate carbide 0.70.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carbide 0.70.1
[INFO] finished tweaking crates.io crate carbide 0.70.1
[INFO] tweaked toml for crates.io crate carbide 0.70.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[INFO] [stderr]   Downloaded carbide_wgpu v0.70.1
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded lyon v0.17.10
[INFO] [stderr]   Downloaded piston-float v1.0.1
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded x11-clipboard v0.5.3
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded carbide_controls v0.70.1
[INFO] [stderr]   Downloaded lyon_geom v0.17.7
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded xcb v0.10.1
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded spirv_cross v0.22.2
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.10
[INFO] [stderr]   Downloaded carbide_core v0.70.1
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded lyon_path v0.17.7
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded sid v0.6.1
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded thunderdome v0.3.0
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded carbide_derive v0.70.1
[INFO] [stderr]   Downloaded carbide_winit v0.70.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ef473dbd8e3e9640a87537152d3f63f2c65dd26094b5854b6e67a17bfa506b
[INFO] running `Command { std: "docker" "start" "-a" "05ef473dbd8e3e9640a87537152d3f63f2c65dd26094b5854b6e67a17bfa506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ef473dbd8e3e9640a87537152d3f63f2c65dd26094b5854b6e67a17bfa506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ef473dbd8e3e9640a87537152d3f63f2c65dd26094b5854b6e67a17bfa506b", kill_on_drop: false }`
[INFO] [stdout] 05ef473dbd8e3e9640a87537152d3f63f2c65dd26094b5854b6e67a17bfa506b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fdfe391c34b656c589ac9dae2950b810cb696d2db71e1b2fe867c578f1c56d0
[INFO] running `Command { std: "docker" "start" "-a" "5fdfe391c34b656c589ac9dae2950b810cb696d2db71e1b2fe867c578f1c56d0", kill_on_drop: false }`
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking lyon_geom v0.17.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking inplace_it v0.3.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[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] 
[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-75a61d95fa868d8d/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-0.6.3/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:     0x55b890c74ad2 - std::backtrace_rs::backtrace::libunwind::trace::hd67e08e71d64f12a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55b890c74ad2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1b6e03ae921b7ccc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b890c74ad2 - std::sys_common::backtrace::_print_fmt::h104284235ec6c37d
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55b890c74ad2 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9ec11fc9f8e1e9e3
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b890c98f5c - core::fmt::rt::Argument::fmt::hba6bb69d73dbc69a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55b890c98f5c - core::fmt::write::h1591db653c658e71
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x55b890c71d1f - std::io::Write::write_fmt::hfbffa468e7623aef
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x55b890c748a4 - std::sys_common::backtrace::_print::h00abfdf27a732373
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b890c748a4 - std::sys_common::backtrace::print::ha9520edf621a95dc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b890c75f7b - std::panicking::default_hook::{{closure}}::h46e508c07ecf0cb0
[INFO] [stderr]     10:     0x55b890c75cd3 - std::panicking::default_hook::h171667a6e5f66517
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55b890c7641d - std::panicking::rust_panic_with_hook::hb748cf56d2d9af62
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55b890c762f2 - std::panicking::begin_panic_handler::{{closure}}::h1f68a14808274394
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55b890c74fa6 - std::sys_common::backtrace::__rust_end_short_backtrace::h36413da1fefb6b73
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55b890c76024 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55b890bdf115 - core::panicking::panic_fmt::hbebe585df2478a90
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b890be4526 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::ha21f17cd87fad6aa
[INFO] [stderr]     17:     0x55b890be1833 - core::option::Option<T>::unwrap_or_else::hb2ec59fdadaa8d6c
[INFO] [stderr]     18:     0x55b890be4488 - build_script_build::cmd_finder::CommandFinder::must_have::h20305274465bd698
[INFO] [stderr]     19:     0x55b890be853d - build_script_build::main::h02f0a033c7a54b67
[INFO] [stderr]     20:     0x55b890be0c93 - core::ops::function::FnOnce::call_once::hdc3f841cbdcea59b
[INFO] [stderr]     21:     0x55b890bdfa56 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb2b47bc27d0af1f9
[INFO] [stderr]     22:     0x55b890be01b9 - std::rt::lang_start::{{closure}}::hde03ea6a5d345313
[INFO] [stderr]     23:     0x55b890c6dfb3 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc0dea7e08dfe9d58
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55b890c6dfb3 - std::panicking::try::do_call::h9e7e3ff0019eca48
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55b890c6dfb3 - std::panicking::try::h4177c8693e12080e
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55b890c6dfb3 - std::panic::catch_unwind::h30c59f0ccf8c5da4
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     27:     0x55b890c6dfb3 - std::rt::lang_start_internal::{{closure}}::hc959f2313e587664
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55b890c6dfb3 - std::panicking::try::do_call::h52365037f05374a7
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x55b890c6dfb3 - std::panicking::try::h7da172df60cd6061
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x55b890c6dfb3 - std::panic::catch_unwind::h88fa8b63d34be7de
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     31:     0x55b890c6dfb3 - std::rt::lang_start_internal::hc3039611687c4867
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55b890be0197 - std::rt::lang_start::h5225f59e171f74d0
[INFO] [stderr]     33:     0x55b890be8f45 - main
[INFO] [stderr]     34:     0x7f47df424d90 - <unknown>
[INFO] [stderr]     35:     0x7f47df424e40 - __libc_start_main
[INFO] [stderr]     36:     0x55b890bdf735 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5fdfe391c34b656c589ac9dae2950b810cb696d2db71e1b2fe867c578f1c56d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdfe391c34b656c589ac9dae2950b810cb696d2db71e1b2fe867c578f1c56d0", kill_on_drop: false }`
[INFO] [stdout] 5fdfe391c34b656c589ac9dae2950b810cb696d2db71e1b2fe867c578f1c56d0
