[INFO] updating cached repository https://github.com/kooparse/fuel_gfx
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 822d37ad47a85e6ba512ed8f0cd87a874c6264da
[INFO] testing kooparse/fuel_gfx against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Ffuel_gfx" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kooparse/fuel_gfx on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kooparse/fuel_gfx
[INFO] finished tweaking git repo https://github.com/kooparse/fuel_gfx
[INFO] tweaked toml for git repo https://github.com/kooparse/fuel_gfx written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kooparse/fuel_gfx already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 88f9a60ff8ddcd166c647e61da00cc2c3ae35d4b2cfd43ef312d40d4a21a7ffd
[INFO] running `"docker" "start" "-a" "88f9a60ff8ddcd166c647e61da00cc2c3ae35d4b2cfd43ef312d40d4a21a7ffd"`
[INFO] [stderr]    Compiling core-foundation-sys v0.6.1
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling gfx-backend-metal v0.1.0 (https://github.com/gfx-rs/gfx#14789bb0)
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling spirv_cross v0.11.2
[INFO] [stderr]    Compiling objc_exception v0.1.1
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling storage-map v0.1.2
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.6
[INFO] [stderr] error: failed to run custom build command for `gfx-backend-metal v0.1.0 (https://github.com/gfx-rs/gfx#14789bb0)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gfx-backend-metal-d84052cf3c05e946/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'unsupported target x86_64-unknown-linux-gnu', /opt/rustwide/cargo-home/git/checkouts/gfx-e86e7f3ebdbc4218/14789bb/src/backend/metal/build.rs:17:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559ed6611b8b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x559ed6611b8b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559ed6611b8b - std::sys_common::backtrace::_print::hd3382a1f33c473da
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x559ed6611b8b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x559ed6611b8b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x559ed6611866 - std::panicking::default_hook::h95a8f00337383d83
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x559ed661224d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x559ed6611dd2 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x559ed6611d1f - std::panicking::begin_panic_fmt::hc33ce01c7f7cd52d
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x559ed6601d9b - build_script_build::main::h74e64b8e19c3b486
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/gfx-e86e7f3ebdbc4218/14789bb/src/backend/metal/build.rs:17
[INFO] [stderr]   10:     0x559ed65fad90 - std::rt::lang_start::{{closure}}::hbd74b1f59c18f3a6
[INFO] [stderr]                                at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x559ed6611ca3 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   12:     0x559ed6611ca3 - std::panicking::try::do_call::h9440ccd4dc467eaa
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   13:     0x559ed661835a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   14:     0x559ed661275d - std::panicking::try::hc046e7ee42ee744f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   15:     0x559ed661275d - std::panic::catch_unwind::h27dfc457c200aee0
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   16:     0x559ed661275d - std::rt::lang_start_internal::hea1b49a567afe309
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   17:     0x559ed65fad69 - std::rt::lang_start::h98871d21b3f0b08f
[INFO] [stderr]                                at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x559ed66032ca - main
[INFO] [stderr]   19:     0x7fda1a280b97 - __libc_start_main
[INFO] [stderr]   20:     0x559ed65f41ba - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "88f9a60ff8ddcd166c647e61da00cc2c3ae35d4b2cfd43ef312d40d4a21a7ffd"`
[INFO] running `"docker" "rm" "-f" "88f9a60ff8ddcd166c647e61da00cc2c3ae35d4b2cfd43ef312d40d4a21a7ffd"`
[INFO] [stdout] 88f9a60ff8ddcd166c647e61da00cc2c3ae35d4b2cfd43ef312d40d4a21a7ffd