[INFO] fetching crate polychat-core 0.1.5... [INFO] testing polychat-core-0.1.5 against 1.91.0 for beta-1.92-2 [INFO] extracting crate polychat-core 0.1.5 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate polychat-core 0.1.5 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 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" "+1.91.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1514dc443dbe6febc7397c922fd17ca88d31ddf9edcd3b509486bcf520ae87c [INFO] running `Command { std: "docker" "start" "-a" "c1514dc443dbe6febc7397c922fd17ca88d31ddf9edcd3b509486bcf520ae87c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1514dc443dbe6febc7397c922fd17ca88d31ddf9edcd3b509486bcf520ae87c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1514dc443dbe6febc7397c922fd17ca88d31ddf9edcd3b509486bcf520ae87c", kill_on_drop: false }` [INFO] [stdout] c1514dc443dbe6febc7397c922fd17ca88d31ddf9edcd3b509486bcf520ae87c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f7bccf0d79fbf5c0cb2cba2e8d6ddc49931b3017a15bfc2ae0863217ff88336 [INFO] running `Command { std: "docker" "start" "-a" "1f7bccf0d79fbf5c0cb2cba2e8d6ddc49931b3017a15bfc2ae0863217ff88336", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling cbindgen v0.20.0 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tempfile v3.23.0 [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-51448a12b7590fe5/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (439) 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: 0x5c1e64d69162 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5c1e64d69162 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5c1e64d69162 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5c1e64d69162 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5c1e64d7b39f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5c1e64d7b39f - core::fmt::write::hecf68a131630c74d [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5c1e64d3ae01 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5c1e64d3ae01 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5c1e64d45442 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5c1e64d479ef - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5c1e64d47849 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5c1e64d48125 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5c1e64d47f0a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5c1e64d45589 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5c1e64d2e90d - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5c1e64d85340 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5c1e64d84076 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x5c1e64a41a34 - build_script_build::main::hc23b0debee8f96f3 [INFO] [stderr] 18: 0x5c1e64a3b183 - core::ops::function::FnOnce::call_once::h9dae3eccc1456d85 [INFO] [stderr] 19: 0x5c1e64a42346 - std::sys::backtrace::__rust_begin_short_backtrace::h6f3ee4c1db206be1 [INFO] [stderr] 20: 0x5c1e64a3ad19 - std::rt::lang_start::{{closure}}::h1905c51d079d9591 [INFO] [stderr] 21: 0x5c1e64d3c300 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 22: 0x5c1e64d3c300 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x5c1e64d3c300 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x5c1e64d3c300 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x5c1e64d3c300 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x5c1e64d3c300 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x5c1e64d3c300 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x5c1e64d3c300 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x5c1e64d3c300 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x5c1e64a3ad01 - std::rt::lang_start::hac1d82707f3a4b01 [INFO] [stderr] 31: 0x5c1e64a48e75 - main [INFO] [stderr] 32: 0x7c40a80af1ca - [INFO] [stderr] 33: 0x7c40a80af28b - __libc_start_main [INFO] [stderr] 34: 0x5c1e6491b915 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "1f7bccf0d79fbf5c0cb2cba2e8d6ddc49931b3017a15bfc2ae0863217ff88336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f7bccf0d79fbf5c0cb2cba2e8d6ddc49931b3017a15bfc2ae0863217ff88336", kill_on_drop: false }` [INFO] [stdout] 1f7bccf0d79fbf5c0cb2cba2e8d6ddc49931b3017a15bfc2ae0863217ff88336