[INFO] fetching crate carbide 0.70.1...
[INFO] checking carbide-0.70.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate carbide 0.70.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate carbide 0.70.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded carbide_wgpu v0.70.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded lyon_path v0.17.7
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded piston-float v1.0.1
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded spirv_cross v0.22.2
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded ron v0.6.6
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.15.2
[INFO] [stderr]   Downloaded line_drawing v0.7.0
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded lyon_geom v0.17.7
[INFO] [stderr]   Downloaded xcb v0.10.1
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded calloop v0.6.5
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.10
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.3
[INFO] [stderr]   Downloaded carbide_core v0.70.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded carbide_controls v0.70.1
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded x11-clipboard v0.5.3
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded carbide_derive v0.70.1
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded carbide_winit v0.70.0
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] [stderr]   Downloaded sid v0.6.1
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded memmap2 v0.1.0
[INFO] [stderr]   Downloaded lyon v0.17.10
[INFO] [stderr]   Downloaded ttf-parser v0.15.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d351cd03f2e2a969ba57e42f6245b8c64e92a9f9b0d79e9ac1c056ee96c06865
[INFO] running `Command { std: "docker" "start" "-a" "d351cd03f2e2a969ba57e42f6245b8c64e92a9f9b0d79e9ac1c056ee96c06865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d351cd03f2e2a969ba57e42f6245b8c64e92a9f9b0d79e9ac1c056ee96c06865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d351cd03f2e2a969ba57e42f6245b8c64e92a9f9b0d79e9ac1c056ee96c06865", kill_on_drop: false }`
[INFO] [stdout] d351cd03f2e2a969ba57e42f6245b8c64e92a9f9b0d79e9ac1c056ee96c06865
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d852df97c7e6b3333a0d4669b700e4f9840019e48308bb7ca6276c35b4e841ac
[INFO] running `Command { std: "docker" "start" "-a" "d852df97c7e6b3333a0d4669b700e4f9840019e48308bb7ca6276c35b4e841ac", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking lyon_geom v0.17.7
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[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-09be729fcbfe98c5/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:     0x55befdad29b6 - std::backtrace_rs::backtrace::libunwind::trace::h08f7dc827584a7ad
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55befdad29b6 - std::backtrace_rs::backtrace::trace_unsynchronized::h4497bfae4461b22b
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55befdad29b6 - std::sys_common::backtrace::_print_fmt::h6b3942d598b9c6f0
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55befdad29b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3a306296c8ab625c
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55befdaf7e90 - core::fmt::rt::Argument::fmt::h0b9d84e172c4f894
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55befdaf7e90 - core::fmt::write::h64b64fc2d2167832
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55befdacfc3f - std::io::Write::write_fmt::h93eeb18ca56ab61e
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55befdad2794 - std::sys_common::backtrace::_print::hd3f3194a71c6769a
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55befdad2794 - std::sys_common::backtrace::print::heffb248ee274206b
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55befdad4077 - std::panicking::default_hook::{{closure}}::h58655f381931db29
[INFO] [stderr]     10:     0x55befdad3dd9 - std::panicking::default_hook::h0b1c1ae801593404
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55befdad4508 - std::panicking::rust_panic_with_hook::h83880c09c2fb14e4
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55befdad43e2 - std::panicking::begin_panic_handler::{{closure}}::hb017100a7be0020a
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55befdad2eb6 - std::sys_common::backtrace::__rust_end_short_backtrace::hefda6bb3e2a65163
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55befdad4134 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55befda48635 - core::panicking::panic_fmt::h639ac9ebcc4cc09e
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55befda4d8e6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h68e7f43279295df6
[INFO] [stderr]     17:     0x55befda4a97f - core::option::Option<T>::unwrap_or_else::he22ed6ac53a68dab
[INFO] [stderr]     18:     0x55befda4d848 - build_script_build::cmd_finder::CommandFinder::must_have::hd88a61e2f3a9b182
[INFO] [stderr]     19:     0x55befda518fd - build_script_build::main::h0ca3559dfc39f941
[INFO] [stderr]     20:     0x55befda49ff3 - core::ops::function::FnOnce::call_once::h283f4597caef3920
[INFO] [stderr]     21:     0x55befda49096 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c394d4d4b21b81e
[INFO] [stderr]     22:     0x55befda497d9 - std::rt::lang_start::{{closure}}::h914db1c1d6deffe7
[INFO] [stderr]     23:     0x55befdacb891 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5fd52db904d6eae8
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55befdacb891 - std::panicking::try::do_call::he369ba628d7c9d4a
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55befdacb891 - std::panicking::try::h3e7a1367a7809b8e
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55befdacb891 - std::panic::catch_unwind::hf5ed2fafa73782ba
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55befdacb891 - std::rt::lang_start_internal::{{closure}}::h48a173881681ffd2
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55befdacb891 - std::panicking::try::do_call::hde037f5e624d8646
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55befdacb891 - std::panicking::try::h6cf0e777ffa0cfac
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55befdacb891 - std::panic::catch_unwind::hfa79f85f27c41b17
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55befdacb891 - std::rt::lang_start_internal::h756905bc8f8b5b00
[INFO] [stderr]                                  at /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55befda497b7 - std::rt::lang_start::h12a1a552523a0a2a
[INFO] [stderr]     33:     0x55befda52305 - main
[INFO] [stderr]     34:     0x7fc6f8cb8d90 - <unknown>
[INFO] [stderr]     35:     0x7fc6f8cb8e40 - __libc_start_main
[INFO] [stderr]     36:     0x55befda48d65 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d852df97c7e6b3333a0d4669b700e4f9840019e48308bb7ca6276c35b4e841ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d852df97c7e6b3333a0d4669b700e4f9840019e48308bb7ca6276c35b4e841ac", kill_on_drop: false }`
[INFO] [stdout] d852df97c7e6b3333a0d4669b700e4f9840019e48308bb7ca6276c35b4e841ac
