[INFO] cloning repository https://github.com/michael-swan/proveit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michael-swan/proveit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-swan%2Fproveit"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-swan%2Fproveit'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc84cfd69e41455775ef28b015817406f87dea02
[INFO] checking michael-swan/proveit against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-swan%2Fproveit" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michael-swan/proveit on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/michael-swan/proveit
[INFO] finished tweaking git repo https://github.com/michael-swan/proveit
[INFO] tweaked toml for git repo https://github.com/michael-swan/proveit written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/michael-swan/proveit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69a1fa5baffccd624ea2d66d9b057a6f3ebe70b73a4b2a55f89bcda5921f188b
[INFO] running `"docker" "start" "-a" "69a1fa5baffccd624ea2d66d9b057a6f3ebe70b73a4b2a55f89bcda5921f188b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling rust-embed-impl v5.5.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking rust-embed v5.5.1
[INFO] [stderr]    Compiling skia-bindings v0.27.1
[INFO] [stderr] error: failed to run custom build command for `skia-bindings v0.27.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/skia-bindings-2c98e0c9b28a09d6/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-env-changed=SKIA_DEBUG
[INFO] [stderr] HOST: x86_64-unknown-linux-gnu
[INFO] [stderr] cargo:rerun-if-env-changed=FORCE_SKIA_BUILD
[INFO] [stderr] cargo:rerun-if-env-changed=FORCE_SKIA_BINARIES_DOWNLOAD
[INFO] [stderr] TRYING TO DOWNLOAD AND INSTALL SKIA BINARIES: 0.27.1/405bf3c1048b2db41e22-x86_64-unknown-linux-gnu-gl
[INFO] [stderr]   FROM: https://github.com/rust-skia/skia-binaries/releases/download/0.27.1/skia-binaries-405bf3c1048b2db41e22-x86_64-unknown-linux-gnu-gl.tar.gz
[INFO] [stderr] DOWNLOAD AND INSTALL FAILED: [6] Couldn't resolve host name
[INFO] [stderr] STARTING A FULL BUILD
[INFO] [stderr] DOWNLOADING: https://codeload.github.com/rust-skia/skia/tar.gz/m81-0.27.0
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Failed to download https://codeload.github.com/rust-skia/skia/tar.gz/m81-0.27.0 ([6] Couldn't resolve host name)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build_support/skia.rs:1093:39
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560177dd6484 - backtrace::backtrace::libunwind::trace::hda902e3a4eb9d449
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x560177dd6484 - backtrace::backtrace::trace_unsynchronized::h06df0062bb63b7e2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560177dd6484 - std::sys_common::backtrace::_print_fmt::ha5249daf78f399e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x560177dd6484 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h68243ef2eafa8843
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x560177e03d7c - core::fmt::write::h8b50d07b82ae3922
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x560177dd1fc3 - std::io::Write::write_fmt::h9a5b9a212b705549
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x560177dd9525 - std::sys_common::backtrace::_print::hcd11fe8eb9e7335d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x560177dd9525 - std::sys_common::backtrace::print::h475286256f91474c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x560177dd9525 - std::panicking::default_hook::{{closure}}::h2a45e9d6ef27161b
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x560177dd9262 - std::panicking::default_hook::h76adec688b27abdd
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x560177dd9b82 - std::panicking::rust_panic_with_hook::h121f4f2c52efbcbf
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x560177dd976b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x560177dd96db - std::panicking::begin_panic_fmt::h5f1d91daa2b5823b
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x5601775e5729 - build_script_build::build_support::skia::prerequisites::download_dependencies::{{closure}}::h42245693eec99221
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build_support/skia.rs:1093
[INFO] [stderr]   14:     0x5601775d1705 - core::result::Result<T,E>::unwrap_or_else::hfb1a81a7a82ccf4f
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libcore/result.rs:853
[INFO] [stderr]   15:     0x5601775e4e51 - build_script_build::build_support::skia::prerequisites::download_dependencies::h152618e391715171
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build_support/skia.rs:1092
[INFO] [stderr]   16:     0x5601775e458c - build_script_build::build_support::skia::prerequisites::resolve_dependencies::hcd6de66e10b48807
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build_support/skia.rs:1043
[INFO] [stderr]   17:     0x5601775bfe7c - build_script_build::build_support::skia::build::h146e7e267d269e8d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build_support/skia.rs:435
[INFO] [stderr]   18:     0x5601775c5387 - build_script_build::main::hf284d2de0b1721ae
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.27.1/build.rs:72
[INFO] [stderr]   19:     0x5601775f027b - std::rt::lang_start::{{closure}}::hee1e12b9085da9f2
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   20:     0x560177dda098 - std::rt::lang_start_internal::{{closure}}::h15b56bd7f81214ad
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   21:     0x560177dda098 - std::panicking::try::do_call::hbe8467da291bc822
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   22:     0x560177dda098 - std::panicking::try::hde3b5cbc6989304d
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   23:     0x560177dda098 - std::panic::catch_unwind::h56844acb323fdd6c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   24:     0x560177dda098 - std::rt::lang_start_internal::hae379591a9420b87
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   25:     0x5601775f0257 - std::rt::lang_start::hbb79b2526d10a010
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   26:     0x5601775c63aa - main
[INFO] [stderr]   27:     0x7f0bcccd9b97 - __libc_start_main
[INFO] [stderr]   28:     0x5601775b23ba - _start
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "69a1fa5baffccd624ea2d66d9b057a6f3ebe70b73a4b2a55f89bcda5921f188b"`
[INFO] running `"docker" "rm" "-f" "69a1fa5baffccd624ea2d66d9b057a6f3ebe70b73a4b2a55f89bcda5921f188b"`
[INFO] [stdout] 69a1fa5baffccd624ea2d66d9b057a6f3ebe70b73a4b2a55f89bcda5921f188b
