[INFO] fetching crate unicorn-engine 2.0.0-rc4... [INFO] testing unicorn-engine-2.0.0-rc4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate unicorn-engine 2.0.0-rc4 into /workspace/builds/worker-21/source [INFO] validating manifest of crates.io crate unicorn-engine 2.0.0-rc4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unicorn-engine 2.0.0-rc4 [INFO] finished tweaking crates.io crate unicorn-engine 2.0.0-rc4 [INFO] tweaked toml for crates.io crate unicorn-engine 2.0.0-rc4 written to /workspace/builds/worker-21/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded build-helper v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6df25a980e56ba3ffb073b53116d51e00093a50b535479f40527b5c6024b1c0 [INFO] running `Command { std: "docker" "start" "-a" "e6df25a980e56ba3ffb073b53116d51e00093a50b535479f40527b5c6024b1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6df25a980e56ba3ffb073b53116d51e00093a50b535479f40527b5c6024b1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6df25a980e56ba3ffb073b53116d51e00093a50b535479f40527b5c6024b1c0", kill_on_drop: false }` [INFO] [stdout] e6df25a980e56ba3ffb073b53116d51e00093a50b535479f40527b5c6024b1c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f004e3ed96af4a32aaf22d3e339cb9592af03d1d890bb69417e456a99885ec9 [INFO] running `Command { std: "docker" "start" "-a" "2f004e3ed96af4a32aaf22d3e339cb9592af03d1d890bb69417e456a99885ec9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling ipnet v2.3.1 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling build-helper v0.1.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling http v0.2.5 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tar v0.4.37 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.7 [INFO] [stderr] Compiling hyper v0.14.15 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.6 [INFO] [stderr] Compiling unicorn-engine v2.0.0-rc4 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `unicorn-engine v2.0.0-rc4 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/unicorn-engine-f055e7455e615fc4/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: reqwest::Error { kind: Request, url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("api.github.com")), port: None, path: "/repos/unicorn-engine/unicorn/tarball/2.0.0-rc4", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) }', build.rs:38:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5578f5ce24ac - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5578f5ce24ac - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5578f5ce24ac - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5578f5ce24ac - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5578f5d06e2c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5578f5cdba55 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5578f5ce3e10 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5578f5ce3e10 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5578f5ce3e10 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5578f5ce39bb - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5578f5ce44c4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x5578f5ce3fa0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5578f5ce2964 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5578f5ce3f09 - rust_begin_unwind [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5578f57f7801 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x5578f57f78f3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x5578f580567a - core::result::Result::unwrap::h332155e809caf956 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x5578f5802c4e - build_script_build::download_unicorn::h35559fdd9053cb6b [INFO] [stderr] at /opt/rustwide/workdir/build.rs:31:16 [INFO] [stderr] 18: 0x5578f5803211 - build_script_build::main::h78c8e5753b88191e [INFO] [stderr] at /opt/rustwide/workdir/build.rs:59:23 [INFO] [stderr] 19: 0x5578f5805f1b - core::ops::function::FnOnce::call_once::h6ba68d6c4f465ce2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5578f580407e - std::sys_common::backtrace::__rust_begin_short_backtrace::he33e20f4f3fcaa8f [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x5578f5804111 - std::rt::lang_start::{{closure}}::hc8b06f48da556c02 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x5578f5ce1cf1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5578f5ce1cf1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x5578f5ce1cf1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x5578f5ce1cf1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x5578f5ce1cf1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x5578f5ce1cf1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x5578f5ce1cf1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x5578f5ce1cf1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x5578f5ce1cf1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x5578f58040e0 - std::rt::lang_start::ha7cc812c121e2a3e [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x5578f580406c - main [INFO] [stderr] 33: 0x7eff5757d0b3 - __libc_start_main [INFO] [stderr] 34: 0x5578f57f7fbe - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2f004e3ed96af4a32aaf22d3e339cb9592af03d1d890bb69417e456a99885ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f004e3ed96af4a32aaf22d3e339cb9592af03d1d890bb69417e456a99885ec9", kill_on_drop: false }` [INFO] [stdout] 2f004e3ed96af4a32aaf22d3e339cb9592af03d1d890bb69417e456a99885ec9