[INFO] fetching crate polychat-core 0.1.5... [INFO] testing polychat-core-0.1.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [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 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded polychat-plugin v0.3.1 [INFO] [stderr] Downloaded cbindgen v0.20.0 [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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fef2e7485fc9c7f1b456e7799b7138bec8aa4a4083f3d5d0f815085a3a3986c5 [INFO] running `Command { std: "docker" "start" "-a" "fef2e7485fc9c7f1b456e7799b7138bec8aa4a4083f3d5d0f815085a3a3986c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fef2e7485fc9c7f1b456e7799b7138bec8aa4a4083f3d5d0f815085a3a3986c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fef2e7485fc9c7f1b456e7799b7138bec8aa4a4083f3d5d0f815085a3a3986c5", kill_on_drop: false }` [INFO] [stdout] fef2e7485fc9c7f1b456e7799b7138bec8aa4a4083f3d5d0f815085a3a3986c5 [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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e065bdedfab5025475b6ff819423330b50d148354764437380babf2eb8deea2e [INFO] running `Command { std: "docker" "start" "-a" "e065bdedfab5025475b6ff819423330b50d148354764437380babf2eb8deea2e", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling cbindgen v0.20.0 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling heck v0.3.3 [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' (311) 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: 0x5e17c4ccf9c2 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5e17c4ccf9c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5e17c4ccf9c2 - std::sys::backtrace::_print_fmt::h11496fe34963a885 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5e17c4ccf9c2 - ::fmt::hff1a9408d012ee89 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5e17c4cf32af - core::fmt::rt::Argument::fmt::hf11195b61445f5d1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5e17c4cf32af - core::fmt::write::h2f1fc679f228cc52 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5e17c4cc03e3 - std::io::default_write_fmt::hdd5e6d67566e664d [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5e17c4cc03e3 - std::io::Write::write_fmt::haa2231cbd9aebf95 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5e17c4ccf812 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5e17c4cbdd2c - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5e17c4cbdb73 - std::panicking::default_hook::h43da101644971931 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5e17c4cbe26a - std::panicking::panic_with_hook::hb4e916c3e65eccec [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5e17c4ccf39a - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5e17c4ccf2f9 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5e17c4cbe8bd - __rustc[b29d3319de9a3146]::rust_begin_unwind [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5e17c4cfb9a0 - core::panicking::panic_fmt::h5f8d281875be5ff1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5e17c4cfcd06 - core::result::unwrap_failed::hbb243a6a8b53218d [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x5e17c4990dd4 - build_script_build::main::hb4c2dcda57140411 [INFO] [stderr] 18: 0x5e17c499c4a3 - core::ops::function::FnOnce::call_once::h45f505539889d5e2 [INFO] [stderr] 19: 0x5e17c49c88c6 - std::sys::backtrace::__rust_begin_short_backtrace::h5f79a1e68b8eff72 [INFO] [stderr] 20: 0x5e17c499e1b9 - std::rt::lang_start::{{closure}}::hfe3fe6deea927d36 [INFO] [stderr] 21: 0x5e17c4ccffd0 - core::ops::function::impls:: for &F>::call_once::h32dc2b2f49a48277 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 22: 0x5e17c4ccffd0 - std::panicking::catch_unwind::do_call::h3353546a38525559 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x5e17c4ccffd0 - std::panicking::catch_unwind::h57fb70202d1ae368 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x5e17c4ccffd0 - std::panic::catch_unwind::h4b724a52bb5803b4 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x5e17c4ccffd0 - std::rt::lang_start_internal::{{closure}}::h3724b3072c80532a [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x5e17c4ccffd0 - std::panicking::catch_unwind::do_call::h4f6e90f858bd1c3f [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x5e17c4ccffd0 - std::panicking::catch_unwind::h81c085c0d350991c [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x5e17c4ccffd0 - std::panic::catch_unwind::h289049af1176d82a [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x5e17c4ccffd0 - std::rt::lang_start_internal::h3c37ebeb799b11e1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x5e17c499e1a1 - std::rt::lang_start::h2f715c1331e9cded [INFO] [stderr] 31: 0x5e17c4995205 - main [INFO] [stderr] 32: 0x78563fc851ca - [INFO] [stderr] 33: 0x78563fc8528b - __libc_start_main [INFO] [stderr] 34: 0x5e17c4892ce5 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "e065bdedfab5025475b6ff819423330b50d148354764437380babf2eb8deea2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e065bdedfab5025475b6ff819423330b50d148354764437380babf2eb8deea2e", kill_on_drop: false }` [INFO] [stdout] e065bdedfab5025475b6ff819423330b50d148354764437380babf2eb8deea2e