[INFO] cloning repository https://github.com/redwarp/fractal-trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redwarp/fractal-trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Ffractal-trees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Ffractal-trees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b8d29d244aca245ea43de58731e06b57e2cb810
[INFO] testing redwarp/fractal-trees against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Ffractal-trees" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redwarp/fractal-trees on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redwarp/fractal-trees
[INFO] finished tweaking git repo https://github.com/redwarp/fractal-trees
[INFO] tweaked toml for git repo https://github.com/redwarp/fractal-trees written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/redwarp/fractal-trees already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1844ab55ca52f21c7aa33e1f8fccb8e3c5b5de0f05371679a8727063449d15d9
[INFO] running `Command { std: "docker" "start" "-a" "1844ab55ca52f21c7aa33e1f8fccb8e3c5b5de0f05371679a8727063449d15d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1844ab55ca52f21c7aa33e1f8fccb8e3c5b5de0f05371679a8727063449d15d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1844ab55ca52f21c7aa33e1f8fccb8e3c5b5de0f05371679a8727063449d15d9", kill_on_drop: false }`
[INFO] [stdout] 1844ab55ca52f21c7aa33e1f8fccb8e3c5b5de0f05371679a8727063449d15d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d6d4aca1203a19d678ed09401dd94b9b5590b0db07f8c194b58ff5b0acfe1d
[INFO] running `Command { std: "docker" "start" "-a" "33d6d4aca1203a19d678ed09401dd94b9b5590b0db07f8c194b58ff5b0acfe1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc_vector2d v1.0.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libloading v0.6.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling vector2d v2.2.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling skia-bindings v0.35.0
[INFO] [stderr] error: failed to run custom build command for `skia-bindings v0.35.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/skia-bindings-939d8f5ae161ce4e/build-script-build` (exit status: 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=SKIA_OFFLINE_SOURCE_DIR
[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: 0.35.0/94b6e1ea074ce32a6216-x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_BINARIES_URL
[INFO] [stderr]     FROM: https://github.com/rust-skia/skia-binaries/releases/download/0.35.0/skia-binaries-94b6e1ea074ce32a6216-x86_64-unknown-linux-gnu.tar.gz
[INFO] [stderr]   DOWNLOAD AND INSTALL FAILED: [6] Couldn't resolve host name (Could not resolve host: github.com)
[INFO] [stderr]   STARTING A FULL BUILD
[INFO] [stderr]   Probing 'python'
[INFO] [stderr]   Python 2 found: "python"
[INFO] [stderr]   DOWNLOADING: https://codeload.github.com/rust-skia/skia/tar.gz/m86-0.35.0
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to download https://codeload.github.com/rust-skia/skia/tar.gz/m86-0.35.0 ([6] Couldn't resolve host name (Could not resolve host: codeload.github.com))', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:1267:39
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55924d829020 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55924d829020 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55924d829020 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55924d829020 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55924d85033c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55924d825545 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55924d82b78b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55924d82b78b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55924d82b78b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55924d82b261 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55924d82be54 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55924d82b937 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55924d82951c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55924d82b899 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55924d101c1b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x55924d110f1f - build_script_build::build_support::skia::prerequisites::download_dependencies::{{closure}}::h100c35162979eeb5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:1267:39
[INFO] [stderr]     16:     0x55924d119d1c - core::result::Result<T,E>::unwrap_or_else::hd4336e7aa9dbae96
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:821:23
[INFO] [stderr]     17:     0x55924d110691 - build_script_build::build_support::skia::prerequisites::download_dependencies::h3d2607639fa9d51e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:1266:27
[INFO] [stderr]     18:     0x55924d10fd38 - build_script_build::build_support::skia::prerequisites::resolve_dependencies::h5b5df3ffd8333826
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:1217:13
[INFO] [stderr]     19:     0x55924d1323c3 - build_script_build::build_support::skia::fetch_dependencies::heec32f9a2de5655c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:526:5
[INFO] [stderr]     20:     0x55924d1320c9 - build_script_build::build_support::skia::build::hbecdd93b7b94393b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build_support/skia.rs:500:17
[INFO] [stderr]     21:     0x55924d13fc00 - build_script_build::main::h8ae777d517fed06a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.35.0/build.rs:133:13
[INFO] [stderr]     22:     0x55924d136d3b - core::ops::function::FnOnce::call_once::h44826f1f5663fd29
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     23:     0x55924d13a7ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h9f58d2db81bdcff1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     24:     0x55924d121ab1 - std::rt::lang_start::{{closure}}::hafd644075d2b953d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     25:     0x55924d82c459 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     26:     0x55924d82c459 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x55924d82c459 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x55924d82c459 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x55924d82c459 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     30:     0x55924d121a90 - std::rt::lang_start::hc96acb0de116b5cc
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     31:     0x55924d140cac - main
[INFO] [stderr]     32:     0x7f1803d0f0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55924d10311e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "33d6d4aca1203a19d678ed09401dd94b9b5590b0db07f8c194b58ff5b0acfe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d6d4aca1203a19d678ed09401dd94b9b5590b0db07f8c194b58ff5b0acfe1d", kill_on_drop: false }`
[INFO] [stdout] 33d6d4aca1203a19d678ed09401dd94b9b5590b0db07f8c194b58ff5b0acfe1d
