[INFO] fetching crate unicorn-engine 2.0.0-rc5.post1... [INFO] testing unicorn-engine-2.0.0-rc5.post1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate unicorn-engine 2.0.0-rc5.post1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate unicorn-engine 2.0.0-rc5.post1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unicorn-engine 2.0.0-rc5.post1 [INFO] finished tweaking crates.io crate unicorn-engine 2.0.0-rc5.post1 [INFO] tweaked toml for crates.io crate unicorn-engine 2.0.0-rc5.post1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 672cbdc6c7d65d650c4c4b1e6dfcadf16f13c5aa7a8c3f734ce669868c0348c3 [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" "672cbdc6c7d65d650c4c4b1e6dfcadf16f13c5aa7a8c3f734ce669868c0348c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "672cbdc6c7d65d650c4c4b1e6dfcadf16f13c5aa7a8c3f734ce669868c0348c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "672cbdc6c7d65d650c4c4b1e6dfcadf16f13c5aa7a8c3f734ce669868c0348c3", kill_on_drop: false }` [INFO] [stdout] 672cbdc6c7d65d650c4c4b1e6dfcadf16f13c5aa7a8c3f734ce669868c0348c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 975d146ba9456b70395670ff02476ff88f6c1102ea13d2d4a1dc4725e6aac296 [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" "975d146ba9456b70395670ff02476ff88f6c1102ea13d2d4a1dc4725e6aac296", 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 log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-io v0.3.18 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling http v0.2.5 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling build-helper v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling tar v0.4.37 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling idna v0.2.3 [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 v0.11.7 [INFO] [stderr] Compiling unicorn-engine v2.0.0-rc5.post1 (/opt/rustwide/workdir) [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: Unicorn not found. Downloading... [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `unicorn-engine v2.0.0-rc5.post1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/unicorn-engine-5e7fafc6368eeeb5/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Unicorn not found. Downloading... [INFO] [stderr] [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-rc5.post1", 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:43:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e63227b35c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x55e63227b35c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55e63227b35c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e63227b35c - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e63229ffac - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x55e632274975 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x55e63227ccc0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e63227ccc0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e63227ccc0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x55e63227c86b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x55e63227d374 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x55e63227ce50 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x55e63227b814 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x55e63227cdb9 - rust_begin_unwind [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x55e631d90801 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x55e631d908f3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x55e631d9eb3a - core::result::Result::unwrap::h54c81728d3265012 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x55e631d9bb01 - build_script_build::download_unicorn::hcb3c5c7fc84724ca [INFO] [stderr] at /opt/rustwide/workdir/build.rs:36:16 [INFO] [stderr] 18: 0x55e631d9bf6c - build_script_build::main::h8bf66fc9d0857220 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:77:13 [INFO] [stderr] 19: 0x55e631d9d2ab - core::ops::function::FnOnce::call_once::h1f25aa750f12be66 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55e631d9f45e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf4bef507f3d8d4e1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x55e631d95f41 - std::rt::lang_start::{{closure}}::h85eaa40111f41708 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x55e63227aba1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55e63227aba1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x55e63227aba1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x55e63227aba1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x55e63227aba1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x55e63227aba1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x55e63227aba1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x55e63227aba1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x55e63227aba1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x55e631d95f10 - std::rt::lang_start::hcb6d83563dbffba1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x55e631d9d27c - main [INFO] [stderr] 33: 0x7fd769a5f0b3 - __libc_start_main [INFO] [stderr] 34: 0x55e631d90fbe - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "975d146ba9456b70395670ff02476ff88f6c1102ea13d2d4a1dc4725e6aac296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "975d146ba9456b70395670ff02476ff88f6c1102ea13d2d4a1dc4725e6aac296", kill_on_drop: false }` [INFO] [stdout] 975d146ba9456b70395670ff02476ff88f6c1102ea13d2d4a1dc4725e6aac296