[INFO] fetching crate skulpin-plugin-imgui 0.4.0...
[INFO] checking skulpin-plugin-imgui-0.4.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate skulpin-plugin-imgui 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate skulpin-plugin-imgui 0.4.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skulpin-plugin-imgui 0.4.0
[INFO] finished tweaking crates.io crate skulpin-plugin-imgui 0.4.0
[INFO] tweaked toml for crates.io crate skulpin-plugin-imgui 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imgui v0.4.0
[INFO] [stderr]   Downloaded imgui-sys v0.4.0
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", 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] 3223e92f6fa2a3af597b7a55f157c361aaa4e7f10f3334df0b2bf71f6212217f
[INFO] running `Command { std: "docker" "start" "-a" "3223e92f6fa2a3af597b7a55f157c361aaa4e7f10f3334df0b2bf71f6212217f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3223e92f6fa2a3af597b7a55f157c361aaa4e7f10f3334df0b2bf71f6212217f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3223e92f6fa2a3af597b7a55f157c361aaa4e7f10f3334df0b2bf71f6212217f", kill_on_drop: false }`
[INFO] [stdout] 3223e92f6fa2a3af597b7a55f157c361aaa4e7f10f3334df0b2bf71f6212217f
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da12fdb9ab7f2c938cc542ace6b68fd6349a813002d572803270da2db88eb0c8
[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" "da12fdb9ab7f2c938cc542ace6b68fd6349a813002d572803270da2db88eb0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling imgui-sys v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking imgui v0.4.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling skia-bindings v0.33.0
[INFO] [stderr] error: failed to run custom build command for `skia-bindings v0.33.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/skia-bindings-91e5d98c9ecb6bc8/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=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: 0.33.0/d405dcca5c8887a919b0-x86_64-unknown-linux-gnu-textlayout-vulkan
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_BINARIES_URL
[INFO] [stderr]     FROM: https://github.com/rust-skia/skia-binaries/releases/download/0.33.0/skia-binaries-d405dcca5c8887a919b0-x86_64-unknown-linux-gnu-textlayout-vulkan.tar.gz
[INFO] [stderr]   DOWNLOAD AND INSTALL FAILED: [6] Couldn't resolve host name
[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/m85-0.32.2
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to download https://codeload.github.com/rust-skia/skia/tar.gz/m85-0.32.2 ([6] Couldn't resolve host name)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:1232:39
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f5cc4fbcf0 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55f5cc4fbcf0 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55f5cc4fbcf0 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55f5cc4fbcf0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55f5cc52484c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55f5cc4f7d15 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55f5cc4fe5c0 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55f5cc4fe5c0 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55f5cc4fe5c0 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55f5cc4fe30c - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55f5cc4fec23 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55f5cc4fe7f9 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55f5cc4fc15c - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55f5cc4fe7b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55f5cc4fe76b - std::panicking::begin_panic_fmt::h8af3eb0f50edc2d0
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:429
[INFO] [stderr]     15:     0x55f5cbdbd549 - build_script_build::build_support::skia::prerequisites::download_dependencies::{{closure}}::he6be9e041cf44fdc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:1232
[INFO] [stderr]     16:     0x55f5cbda9a45 - core::result::Result<T,E>::unwrap_or_else::he9fe4b8366011dbd
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/result.rs:853
[INFO] [stderr]     17:     0x55f5cbdbcc93 - build_script_build::build_support::skia::prerequisites::download_dependencies::h067b84d672018b44
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:1231
[INFO] [stderr]     18:     0x55f5cbdbc3cc - build_script_build::build_support::skia::prerequisites::resolve_dependencies::hde9ad19a75d5bdcb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:1182
[INFO] [stderr]     19:     0x55f5cbda0e16 - build_script_build::build_support::skia::fetch_dependencies::h271481a34019b9f5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:506
[INFO] [stderr]     20:     0x55f5cbda0b31 - build_script_build::build_support::skia::build::h68fcb8f9f6de3315
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build_support/skia.rs:480
[INFO] [stderr]     21:     0x55f5cbdc4323 - build_script_build::main::h70a43616bcac90af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skia-bindings-0.33.0/build.rs:108
[INFO] [stderr]     22:     0x55f5cbdb0eab - core::ops::function::FnOnce::call_once::h9bdccbe3531802d1
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233
[INFO] [stderr]     23:     0x55f5cbdb05de - std::sys_common::backtrace::__rust_begin_short_backtrace::h7758a0ab85722f45
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     24:     0x55f5cbdcb531 - std::rt::lang_start::{{closure}}::hd272588a742b88d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66
[INFO] [stderr]     25:     0x55f5cc4ff102 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:265
[INFO] [stderr]     26:     0x55f5cc4ff102 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373
[INFO] [stderr]     27:     0x55f5cc4ff102 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337
[INFO] [stderr]     28:     0x55f5cc4ff102 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394
[INFO] [stderr]     29:     0x55f5cc4ff102 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51
[INFO] [stderr]     30:     0x55f5cbdcb507 - std::rt::lang_start::h5f1fcc1ba9f61f2e
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65
[INFO] [stderr]     31:     0x55f5cbdc543a - main
[INFO] [stderr]     32:     0x7f6380e9d0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55f5cbd930ce - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "da12fdb9ab7f2c938cc542ace6b68fd6349a813002d572803270da2db88eb0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da12fdb9ab7f2c938cc542ace6b68fd6349a813002d572803270da2db88eb0c8", kill_on_drop: false }`
[INFO] [stdout] da12fdb9ab7f2c938cc542ace6b68fd6349a813002d572803270da2db88eb0c8