[INFO] fetching crate carbide 0.70.1...
[INFO] checking carbide-0.70.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[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 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded carbide_wgpu v0.70.1
[INFO] [stderr]   Downloaded wayland-commons v0.28.6
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded wayland-cursor v0.28.6
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded wayland-sys v0.28.6
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.3
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded wayland-scanner v0.28.6
[INFO] [stderr]   Downloaded ron v0.6.6
[INFO] [stderr]   Downloaded carbide_derive v0.70.1
[INFO] [stderr]   Downloaded spirv_headers v1.5.0
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[INFO] [stderr]   Downloaded lyon_path v0.17.7
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded spirv_cross v0.22.2
[INFO] [stderr]   Downloaded lyon_geom v0.17.7
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded carbide_controls v0.70.1
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded float_next_after v0.1.5
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.10
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded line_drawing v0.7.0
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded x11-clipboard v0.5.3
[INFO] [stderr]   Downloaded sid v0.6.1
[INFO] [stderr]   Downloaded piston-float v1.0.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded carbide_winit v0.70.0
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded carbide_core v0.70.1
[INFO] [stderr]   Downloaded ttf-parser v0.15.2
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded xcb v0.10.1
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded lyon v0.17.10
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded ndk v0.2.1
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded owned_ttf_parser v0.15.2
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded thunderdome v0.3.0
[INFO] [stderr]   Downloaded ndk-glue v0.2.1
[INFO] [stderr]   Downloaded libloading v0.6.7
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded wayland-client v0.28.6
[INFO] [stderr]   Downloaded wayland-protocols v0.28.6
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded calloop v0.6.5
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3728abf8f21fe704f3c7fdfe53d68f14488e1ebc6fe563abda1b46aef0e36c62
[INFO] running `Command { std: "docker" "start" "-a" "3728abf8f21fe704f3c7fdfe53d68f14488e1ebc6fe563abda1b46aef0e36c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3728abf8f21fe704f3c7fdfe53d68f14488e1ebc6fe563abda1b46aef0e36c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3728abf8f21fe704f3c7fdfe53d68f14488e1ebc6fe563abda1b46aef0e36c62", kill_on_drop: false }`
[INFO] [stdout] 3728abf8f21fe704f3c7fdfe53d68f14488e1ebc6fe563abda1b46aef0e36c62
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255a84c2612de4534d0c448bf50a2ade952550b9580b9583aae4d899230c0ac6
[INFO] running `Command { std: "docker" "start" "-a" "255a84c2612de4534d0c448bf50a2ade952550b9580b9583aae4d899230c0ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking libloading v0.8.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[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-63c2939ac73441f2/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:     0x55a840f76186 - std::backtrace_rs::backtrace::libunwind::trace::h4a01ad0b1654c0b3
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55a840f76186 - std::backtrace_rs::backtrace::trace_unsynchronized::h9f80f9c1a87c88e7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a840f76186 - std::sys_common::backtrace::_print_fmt::hfb825d5b45347dc7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a840f76186 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd399990d6b396792
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a840f99bec - core::fmt::rt::Argument::fmt::h6780ff77d2596c7e
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55a840f99bec - core::fmt::write::heeb505bfc1cf113c
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55a840f732af - std::io::Write::write_fmt::h06956d82941b8ab5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55a840f75f34 - std::sys_common::backtrace::_print::h5a2ad20f98de74d9
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a840f75f34 - std::sys_common::backtrace::print::hb7c2e18145b4bc56
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a840f7763b - std::panicking::default_hook::{{closure}}::h2c7ccc2f6c33079c
[INFO] [stderr]     10:     0x55a840f77389 - std::panicking::default_hook::h6ae4b6e844fd8bea
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55a840f77add - std::panicking::rust_panic_with_hook::h1591957e3d275a90
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55a840f779b2 - std::panicking::begin_panic_handler::{{closure}}::h384c4e87a0cf88d5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55a840f76666 - std::sys_common::backtrace::__rust_end_short_backtrace::h091aa6af759b84a7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55a840f776e4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55a840ee3475 - core::panicking::panic_fmt::he1f2b784ca1ada33
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55a840ee8906 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hdafe551486500f7d
[INFO] [stderr]     17:     0x55a840ee5673 - core::option::Option<T>::unwrap_or_else::h3c7db4890f0d8382
[INFO] [stderr]     18:     0x55a840ee8868 - build_script_build::cmd_finder::CommandFinder::must_have::hf39e408e42cc8b1e
[INFO] [stderr]     19:     0x55a840eec925 - build_script_build::main::h2f09014f58de8c0b
[INFO] [stderr]     20:     0x55a840ee4cb3 - core::ops::function::FnOnce::call_once::hbb356b433957d477
[INFO] [stderr]     21:     0x55a840ee3db6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h424963239a21137e
[INFO] [stderr]     22:     0x55a840ee4519 - std::rt::lang_start::{{closure}}::h3f2f0de3cc7422e1
[INFO] [stderr]     23:     0x55a840f6f4f3 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h41851747bbb13568
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55a840f6f4f3 - std::panicking::try::do_call::hb42eeca0b42872c6
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55a840f6f4f3 - std::panicking::try::hab05ddea26ba6a87
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55a840f6f4f3 - std::panic::catch_unwind::h4e316694ef9f1d75
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55a840f6f4f3 - std::rt::lang_start_internal::{{closure}}::h8eaa848bcdf1c638
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55a840f6f4f3 - std::panicking::try::do_call::h1b091a6d59c31bc8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55a840f6f4f3 - std::panicking::try::h8d242ccb92fdc8f8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55a840f6f4f3 - std::panic::catch_unwind::hec071b6367220669
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55a840f6f4f3 - std::rt::lang_start_internal::hd0b9a1b14b917412
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55a840ee44f7 - std::rt::lang_start::h860d257bf52eefe4
[INFO] [stderr]     33:     0x55a840eed335 - main
[INFO] [stderr]     34:     0x7ff0656e5d90 - <unknown>
[INFO] [stderr]     35:     0x7ff0656e5e40 - __libc_start_main
[INFO] [stderr]     36:     0x55a840ee3a95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "255a84c2612de4534d0c448bf50a2ade952550b9580b9583aae4d899230c0ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255a84c2612de4534d0c448bf50a2ade952550b9580b9583aae4d899230c0ac6", kill_on_drop: false }`
[INFO] [stdout] 255a84c2612de4534d0c448bf50a2ade952550b9580b9583aae4d899230c0ac6
[INFO] checking carbide-0.70.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate carbide 0.70.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate carbide 0.70.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0456a79286fb57195bf464ec195c90d4324b288f8d333dc07521c6f36c25bd
[INFO] running `Command { std: "docker" "start" "-a" "7b0456a79286fb57195bf464ec195c90d4324b288f8d333dc07521c6f36c25bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0456a79286fb57195bf464ec195c90d4324b288f8d333dc07521c6f36c25bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0456a79286fb57195bf464ec195c90d4324b288f8d333dc07521c6f36c25bd", kill_on_drop: false }`
[INFO] [stdout] 7b0456a79286fb57195bf464ec195c90d4324b288f8d333dc07521c6f36c25bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd94fc7e10cbbf63f1a92d2f0ec42d0fa975478e9b794638be8fa3bfc8901295
[INFO] running `Command { std: "docker" "start" "-a" "bd94fc7e10cbbf63f1a92d2f0ec42d0fa975478e9b794638be8fa3bfc8901295", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking libloading v0.8.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking line_drawing v0.7.0
[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-63c2939ac73441f2/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:     0x55e0f002f186 - std::backtrace_rs::backtrace::libunwind::trace::h0d1f9e44284b8013
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55e0f002f186 - std::backtrace_rs::backtrace::trace_unsynchronized::h17dbeb281165c5c4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e0f002f186 - std::sys_common::backtrace::_print_fmt::h14dc86d75037f59f
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55e0f002f186 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20915dd225a5d4c5
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55e0f0052bec - core::fmt::rt::Argument::fmt::h6dcba5363f9a9bd4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55e0f0052bec - core::fmt::write::habd1cce1dd178fa9
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55e0f002c2af - std::io::Write::write_fmt::h335f0c916f2cc739
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55e0f002ef34 - std::sys_common::backtrace::_print::haed265422939a672
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55e0f002ef34 - std::sys_common::backtrace::print::hc8c2d3e9fcdf3c04
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55e0f003063b - std::panicking::default_hook::{{closure}}::hc7d06f756b115521
[INFO] [stderr]     10:     0x55e0f0030389 - std::panicking::default_hook::ha7d83419a7426e39
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55e0f0030add - std::panicking::rust_panic_with_hook::he6dc5d430c09608c
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55e0f00309b2 - std::panicking::begin_panic_handler::{{closure}}::h1ccbbc26bdbc9269
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55e0f002f666 - std::sys_common::backtrace::__rust_end_short_backtrace::h0f2cf51708fe91db
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55e0f00306e4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55e0eff9c475 - core::panicking::panic_fmt::h6606ea0a622a0628
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55e0effa1906 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h5a2ab177785a52e8
[INFO] [stderr]     17:     0x55e0eff9e673 - core::option::Option<T>::unwrap_or_else::h551e2b02be46521b
[INFO] [stderr]     18:     0x55e0effa1868 - build_script_build::cmd_finder::CommandFinder::must_have::h2e12f98b051fa0a0
[INFO] [stderr]     19:     0x55e0effa5925 - build_script_build::main::h47ea7af7285b537e
[INFO] [stderr]     20:     0x55e0eff9dcb3 - core::ops::function::FnOnce::call_once::h91f01c8f034327e5
[INFO] [stderr]     21:     0x55e0eff9cdb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5049d4be02672769
[INFO] [stderr]     22:     0x55e0eff9d519 - std::rt::lang_start::{{closure}}::h56069fd4cb26d9d3
[INFO] [stderr]     23:     0x55e0f00284f3 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha65186210333eb65
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55e0f00284f3 - std::panicking::try::do_call::ha06f0ae2aa773b60
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55e0f00284f3 - std::panicking::try::ha69909ced466cae0
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55e0f00284f3 - std::panic::catch_unwind::hbb7cc1f26ee70ef2
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55e0f00284f3 - std::rt::lang_start_internal::{{closure}}::hf210e7ef9470948d
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55e0f00284f3 - std::panicking::try::do_call::h539340602b2b4061
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55e0f00284f3 - std::panicking::try::h82480fb15a4d1da6
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55e0f00284f3 - std::panic::catch_unwind::he6d4670bf89494cd
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55e0f00284f3 - std::rt::lang_start_internal::hce6f7a496a7bd741
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55e0eff9d4f7 - std::rt::lang_start::h242c548fe58b5869
[INFO] [stderr]     33:     0x55e0effa6335 - main
[INFO] [stderr]     34:     0x7f621b18ad90 - <unknown>
[INFO] [stderr]     35:     0x7f621b18ae40 - __libc_start_main
[INFO] [stderr]     36:     0x55e0eff9ca95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bd94fc7e10cbbf63f1a92d2f0ec42d0fa975478e9b794638be8fa3bfc8901295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd94fc7e10cbbf63f1a92d2f0ec42d0fa975478e9b794638be8fa3bfc8901295", kill_on_drop: false }`
[INFO] [stdout] bd94fc7e10cbbf63f1a92d2f0ec42d0fa975478e9b794638be8fa3bfc8901295
