[INFO] cloning repository https://github.com/bwasty/native-ducks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwasty/native-ducks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fnative-ducks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fnative-ducks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebe4f7bb1f060d09d1b76a1809b75649bd26bf24
[INFO] checking bwasty/native-ducks against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwasty%2Fnative-ducks" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwasty/native-ducks on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwasty/native-ducks
[INFO] finished tweaking git repo https://github.com/bwasty/native-ducks
[INFO] tweaked toml for git repo https://github.com/bwasty/native-ducks written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bwasty/native-ducks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85cb04b35ccd45773a775170e8e6a74d8ba4babd2200bf4ecf13c2c6ddbe9d5d
[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" "85cb04b35ccd45773a775170e8e6a74d8ba4babd2200bf4ecf13c2c6ddbe9d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85cb04b35ccd45773a775170e8e6a74d8ba4babd2200bf4ecf13c2c6ddbe9d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85cb04b35ccd45773a775170e8e6a74d8ba4babd2200bf4ecf13c2c6ddbe9d5d", kill_on_drop: false }`
[INFO] [stdout] 85cb04b35ccd45773a775170e8e6a74d8ba4babd2200bf4ecf13c2c6ddbe9d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--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] a2a29b92cd3359bce59fb267f8d74bdcc6bfc84184ad8bfb91883ae536d44702
[INFO] running `Command { std: "docker" "start" "-a" "a2a29b92cd3359bce59fb267f8d74bdcc6bfc84184ad8bfb91883ae536d44702", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling gfx-backend-metal v0.2.3
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking range-alloc v0.1.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking fluent-syntax v0.9.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr] error: failed to run custom build command for `gfx-backend-metal v0.2.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gfx-backend-metal-1d2a3c332a7cfc5e/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/registry/src/github.com-1ecc6299db9ec823/gfx-backend-metal-0.2.3/build.rs:17:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55df3880bf60 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55df3880bf60 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55df3880bf60 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55df3880bf60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55df3882917c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x55df388092c2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x55df3880e0c5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55df3880e0c5 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55df3880e0c5 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55df3880dd68 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55df3880e801 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x55df3880e347 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55df3880c3fc - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55df3880e2a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55df3880e25b - std::panicking::begin_panic_fmt::h447a9fe10c3ac155
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:437:5
[INFO] [stderr]     15:     0x55df387e8848 - build_script_build::main::h8b412f6ebe0066d2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-backend-metal-0.2.3/build.rs:17:9
[INFO] [stderr]     16:     0x55df387eaeab - core::ops::function::FnOnce::call_once::hb136de183d8a22e9
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x55df387f09ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hf20e627e57edd4d1
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     18:     0x55df387eabd1 - std::rt::lang_start::{{closure}}::h46377c5b1f3d5edf
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:66:18
[INFO] [stderr]     19:     0x55df3880ec27 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x55df3880ec27 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:381:40
[INFO] [stderr]     21:     0x55df3880ec27 - std::panicking::try::hcc68eba0f7d51b82
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:345:19
[INFO] [stderr]     22:     0x55df3880ec27 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panic.rs:382:14
[INFO] [stderr]     23:     0x55df3880ec27 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:51:25
[INFO] [stderr]     24:     0x55df387eaba7 - std::rt::lang_start::h4a69b253512e97ba
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:65:5
[INFO] [stderr]     25:     0x55df387e9dba - main
[INFO] [stderr]     26:     0x7f5cc946b0b3 - __libc_start_main
[INFO] [stderr]     27:     0x55df387e70ae - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2a29b92cd3359bce59fb267f8d74bdcc6bfc84184ad8bfb91883ae536d44702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a29b92cd3359bce59fb267f8d74bdcc6bfc84184ad8bfb91883ae536d44702", kill_on_drop: false }`
[INFO] [stdout] a2a29b92cd3359bce59fb267f8d74bdcc6bfc84184ad8bfb91883ae536d44702