[INFO] cloning repository https://github.com/kooparse/fuel_gfx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kooparse/fuel_gfx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Ffuel_gfx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Ffuel_gfx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 822d37ad47a85e6ba512ed8f0cd87a874c6264da
[INFO] documenting kooparse/fuel_gfx against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Ffuel_gfx" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kooparse/fuel_gfx on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kooparse/fuel_gfx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97a0e63624b9d86a5dfeb23fe8a39b3caea6297cc03a73f73d2cb26f6be0222c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97a0e63624b9d86a5dfeb23fe8a39b3caea6297cc03a73f73d2cb26f6be0222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a0e63624b9d86a5dfeb23fe8a39b3caea6297cc03a73f73d2cb26f6be0222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a0e63624b9d86a5dfeb23fe8a39b3caea6297cc03a73f73d2cb26f6be0222c", kill_on_drop: false }`
[INFO] [stdout] 97a0e63624b9d86a5dfeb23fe8a39b3caea6297cc03a73f73d2cb26f6be0222c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f48e6feeb0b3b4303da3c32146c58e92019b1120f15a12b68065e132d9b4f09
[INFO] running `Command { std: "docker" "start" "-a" "9f48e6feeb0b3b4303da3c32146c58e92019b1120f15a12b68065e132d9b4f09", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling core-foundation-sys v0.6.1
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking byteorder v1.2.4
[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 backtrace-sys v0.1.24
[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 lazy_static v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `objc_exception v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/objc_exception-32f5f95b4f2df0ad/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-6d97181ba3d64e81/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr]   cargo:warning=cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr]   Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-6d97181ba3d64e81/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559b5d7fa495 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x559b5d7fa495 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x559b5d7fa495 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x559b5d7fa495 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha8f928866ff7571e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x559b5d81ed7c - core::fmt::write::he0c1e5f7426d2718
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x559b5d7f66e2 - std::io::Write::write_fmt::hf3afc6cfd57d0033
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x559b5d7fcc20 - std::sys_common::backtrace::_print::hfc0110703f3696fd
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x559b5d7fcc20 - std::sys_common::backtrace::print::h3f77c6990ddfaa22
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x559b5d7fcc20 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x559b5d7fc96c - std::panicking::default_hook::hecc34e3f729e213c
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x559b5d7fd263 - std::panicking::rust_panic_with_hook::he82f5d0644692441
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x559b5d7fce5b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x559b5d7fcdcb - std::panicking::begin_panic_fmt::h905a6d44880d49ef
[INFO] [stderr]                                  at src/libstd/panicking.rs:391
[INFO] [stderr]     13:     0x559b5d7c3977 - gcc::fail::hd6b1a2f47c55c1fd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670
[INFO] [stderr]     14:     0x559b5d7b568e - gcc::Build::compile::hc56f57b1131d1ecc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:783
[INFO] [stderr]     15:     0x559b5d7b1a93 - gcc::compile_library::h3bc47776fe0024f6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:242
[INFO] [stderr]     16:     0x559b5d7b1305 - build_script_build::main::hb8941c4bc8d9b50b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4
[INFO] [stderr]     17:     0x559b5d7b12cb - std::rt::lang_start::{{closure}}::h465a1b3e342233c3
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x559b5d7fd633 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x559b5d7fd633 - std::panicking::try::do_call::hac65e71be769a440
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x559b5d7fd633 - std::panicking::try::hd4706e264bcf6712
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x559b5d7fd633 - std::panic::catch_unwind::h948a0fb4a8b3ee82
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x559b5d7fd633 - std::rt::lang_start_internal::h72cc068ed2d0ac53
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x559b5d7b12a7 - std::rt::lang_start::h8f444820d7c57e47
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x559b5d7b133a - main
[INFO] [stderr]     25:     0x7fa0ad9930b3 - __libc_start_main
[INFO] [stderr]     26:     0x559b5d7b119e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f48e6feeb0b3b4303da3c32146c58e92019b1120f15a12b68065e132d9b4f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f48e6feeb0b3b4303da3c32146c58e92019b1120f15a12b68065e132d9b4f09", kill_on_drop: false }`
[INFO] [stdout] 9f48e6feeb0b3b4303da3c32146c58e92019b1120f15a12b68065e132d9b4f09