[INFO] fetching crate polychat-core 0.1.5... [INFO] testing polychat-core-0.1.5 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate polychat-core 0.1.5 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate polychat-core 0.1.5 [INFO] finished tweaking crates.io crate polychat-core 0.1.5 [INFO] tweaked toml for crates.io crate polychat-core 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate polychat-core 0.1.5 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] [stderr] Adding libloading v0.7.4 (available: v0.8.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cbindgen v0.20.0 [INFO] [stderr] Downloaded polychat-plugin v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f1be054bc53a61ac863aad153c47003f34739451c0719ae891eedef9fd88bdd [INFO] running `Command { std: "docker" "start" "-a" "6f1be054bc53a61ac863aad153c47003f34739451c0719ae891eedef9fd88bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f1be054bc53a61ac863aad153c47003f34739451c0719ae891eedef9fd88bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f1be054bc53a61ac863aad153c47003f34739451c0719ae891eedef9fd88bdd", kill_on_drop: false }` [INFO] [stdout] 6f1be054bc53a61ac863aad153c47003f34739451c0719ae891eedef9fd88bdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 828b290bcaaf76e5e0f21c6bd5d6e7de05a33f0b32c70da1ce7843b7b797763e [INFO] running `Command { std: "docker" "start" "-a" "828b290bcaaf76e5e0f21c6bd5d6e7de05a33f0b32c70da1ce7843b7b797763e", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling cbindgen v0.20.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling polychat-plugin v0.3.1 [INFO] [stderr] error: failed to run custom build command for `polychat-plugin v0.3.1` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/polychat-plugin-807c60316f79a1f4/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (436) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polychat-plugin-0.3.1/build.rs:16:10: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: CargoMetadata("/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polychat-plugin-0.3.1/Cargo.toml", Metadata(Output { status: ExitStatus(unix_wait_status(25856)), stdout: "", stderr: " Updating crates.io index\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nwarning: spurious network error (1 try remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nerror: failed to get `libc` as a dependency of package `polychat-plugin v0.3.1 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polychat-plugin-0.3.1)`\n\nCaused by:\n download of config.json failed\n\nCaused by:\n failed to download from `https://index.crates.io/config.json`\n\nCaused by:\n [6] Could not resolve hostname (Could not resolve host: index.crates.io)\n" })) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5d06c7657162 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5d06c7657162 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5d06c7657162 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5d06c7657162 - ::fmt::h52160e9da139e442 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5d06c76693ff - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5d06c76693ff - core::fmt::write::hf09a056a304e021a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5d06c76288c1 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5d06c76288c1 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5d06c7632ff2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5d06c763559f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5d06c76353f9 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5d06c7635cd5 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5d06c7635aba - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5d06c7633129 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5d06c761c3bd - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5d06c76733a0 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stderr] 16: 0x5d06c76720d6 - core::result::unwrap_failed::h91bd1e1731f928fc [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x5d06c7325e64 - build_script_build::main::h920f51ed0ef6e343 [INFO] [stderr] 18: 0x5d06c732c9f3 - core::ops::function::FnOnce::call_once::h5d66a7b8cec3a260 [INFO] [stderr] 19: 0x5d06c730c9a6 - std::sys::backtrace::__rust_begin_short_backtrace::hdffb7588c6be2438 [INFO] [stderr] 20: 0x5d06c733b0d9 - std::rt::lang_start::{{closure}}::ha69a58676f17b484 [INFO] [stderr] 21: 0x5d06c7629dd0 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 22: 0x5d06c7629dd0 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x5d06c7629dd0 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x5d06c7629dd0 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x5d06c7629dd0 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x5d06c7629dd0 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x5d06c7629dd0 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x5d06c7629dd0 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x5d06c7629dd0 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x5d06c733b0c1 - std::rt::lang_start::h9e9ed08ad883a950 [INFO] [stderr] 31: 0x5d06c732b9f5 - main [INFO] [stderr] 32: 0x703007b591ca - [INFO] [stderr] 33: 0x703007b5928b - __libc_start_main [INFO] [stderr] 34: 0x5d06c720c155 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "828b290bcaaf76e5e0f21c6bd5d6e7de05a33f0b32c70da1ce7843b7b797763e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "828b290bcaaf76e5e0f21c6bd5d6e7de05a33f0b32c70da1ce7843b7b797763e", kill_on_drop: false }` [INFO] [stdout] 828b290bcaaf76e5e0f21c6bd5d6e7de05a33f0b32c70da1ce7843b7b797763e