[INFO] fetching crate tweakster 0.0.3... [INFO] testing tweakster-0.0.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate tweakster 0.0.3 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate tweakster 0.0.3 [INFO] finished tweaking crates.io crate tweakster 0.0.3 [INFO] tweaked toml for crates.io crate tweakster 0.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tweakster 0.0.3 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] crate crates.io crate tweakster 0.0.3 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.22 [INFO] [stderr] Downloaded scroll v0.10.2 [INFO] [stderr] Downloaded unicode-segmentation v1.9.0 [INFO] [stderr] Downloaded tracing-core v0.1.28 [INFO] [stderr] Downloaded regex v1.6.0 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded toml v0.5.8 [INFO] [stderr] Downloaded thiserror v1.0.31 [INFO] [stderr] Downloaded tracing v0.1.35 [INFO] [stderr] Downloaded sys-mount v1.5.1 [INFO] [stderr] Downloaded loopdev v0.4.0 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded unicode-width v0.1.9 [INFO] [stderr] Downloaded glob v0.3.0 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded goblin v0.2.3 [INFO] [stderr] Downloaded merge v0.1.0 [INFO] [stderr] Downloaded regex-syntax v0.6.27 [INFO] [stderr] Downloaded errno v0.2.8 [INFO] [stderr] Downloaded scroll_derive v0.10.5 [INFO] [stderr] Downloaded shlex v1.1.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.31 [INFO] [stderr] Downloaded clang-sys v1.3.3 [INFO] [stderr] Downloaded merge_derive v0.1.0 [INFO] [stderr] Downloaded libc v0.2.123 [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] Downloaded libloading v0.7.3 [INFO] [stderr] Downloaded smart-default v0.6.0 [INFO] [stderr] Downloaded cc v1.0.73 [INFO] [stderr] Downloaded once_cell v1.13.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.37 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded bindgen v0.59.2 [INFO] [stderr] Downloaded syn v1.0.91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 06d5e415fad65bf64ef7df06a479cc2ecfef8717fb746c3d13fe00c4ce4e6e3c [INFO] running `Command { std: "docker" "start" "-a" "06d5e415fad65bf64ef7df06a479cc2ecfef8717fb746c3d13fe00c4ce4e6e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06d5e415fad65bf64ef7df06a479cc2ecfef8717fb746c3d13fe00c4ce4e6e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06d5e415fad65bf64ef7df06a479cc2ecfef8717fb746c3d13fe00c4ce4e6e3c", kill_on_drop: false }` [INFO] [stdout] 06d5e415fad65bf64ef7df06a479cc2ecfef8717fb746c3d13fe00c4ce4e6e3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9ba909f83d26bc276ce4013efb75ac42975bd0e6e4e04f7aa061936db1a29b7b [INFO] running `Command { std: "docker" "start" "-a" "9ba909f83d26bc276ce4013efb75ac42975bd0e6e4e04f7aa061936db1a29b7b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bindgen v0.59.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling tracing-core v0.1.28 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling clang-sys v1.3.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling smart-default v0.6.0 [INFO] [stderr] Compiling merge_derive v0.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling merge v0.1.0 [INFO] [stderr] Compiling scroll v0.10.2 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling loopdev v0.4.0 [INFO] [stderr] Compiling goblin v0.2.3 [INFO] [stderr] Compiling tracing v0.1.35 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] error: failed to run custom build command for `loopdev v0.4.0` [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/loopdev-635ae35760257e9b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1180) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.37/src/fallback.rs:701:9: [INFO] [stderr] "enum_(unnamed_at_/usr/include/linux/loop_h_16_1)" is not a valid Ident [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56654c8a8f02 - 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: 0x56654c8a8f02 - 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: 0x56654c8a8f02 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x56654c8a8f02 - ::fmt::h52160e9da139e442 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x56654c8ba20f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x56654c8ba20f - core::fmt::write::hf09a056a304e021a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x56654c87b321 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x56654c87b321 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x56654c885f72 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x56654c888aaf - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x56654c888909 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x56654c8891e5 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x56654c888fca - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x56654c8860a9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x56654c86f85d - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x56654c8c40e0 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stderr] 16: 0x56654c861c0f - proc_macro2::fallback::validate_ident::h0b9d45719227d5d7 [INFO] [stderr] 17: 0x56654c861e41 - proc_macro2::fallback::Ident::_new::he707499736d12006 [INFO] [stderr] 18: 0x56654c861dff - proc_macro2::fallback::Ident::new::h8fb8c0ee94d506da [INFO] [stderr] 19: 0x56654c860c98 - proc_macro2::imp::Ident::new::h0e01b589a6f49daf [INFO] [stderr] 20: 0x56654c857e68 - proc_macro2::Ident::new::h395ce45174b4a86a [INFO] [stderr] 21: 0x56654c6541ef - bindgen::ir::context::BindgenContext::rust_ident_raw::hb83020cf9079eb69 [INFO] [stderr] 22: 0x56654c651e50 - bindgen::ir::context::BindgenContext::rust_ident::h2e24909051bff5c1 [INFO] [stderr] 23: 0x56654c5f71ee - ::codegen::h78c7094671449df4 [INFO] [stderr] 24: 0x56654c5f3c36 - ::codegen::h1f2eff87ddd8d54c [INFO] [stderr] 25: 0x56654c6aad5d - ::codegen::hea9634ccecaa9a73 [INFO] [stderr] 26: 0x56654c68ff85 - ::codegen::{{closure}}::h612815e9e2d5dd23 [INFO] [stderr] 27: 0x56654c688925 - ::codegen::ha47ed856c7995f9c [INFO] [stderr] 28: 0x56654c6aad42 - ::codegen::hea9634ccecaa9a73 [INFO] [stderr] 29: 0x56654c69f49e - bindgen::codegen::codegen::{{closure}}::h398fe7bde784d75b [INFO] [stderr] 30: 0x56654c65e918 - bindgen::ir::context::BindgenContext::gen::h62e29df8ded7382e [INFO] [stderr] 31: 0x56654c69edad - bindgen::codegen::codegen::h90c9e02c43084168 [INFO] [stderr] 32: 0x56654c5d4f1e - bindgen::Bindings::generate::h6bc2438c363adb74 [INFO] [stderr] 33: 0x56654c5d1edb - bindgen::Builder::generate::hfb7660a21597ef03 [INFO] [stderr] 34: 0x56654c57a446 - build_script_build::main::hc3c8d4802d070b70 [INFO] [stderr] 35: 0x56654c57af53 - core::ops::function::FnOnce::call_once::he05007682c9eeeff [INFO] [stderr] 36: 0x56654c57adc6 - std::sys::backtrace::__rust_begin_short_backtrace::hf1e755ca175603bf [INFO] [stderr] 37: 0x56654c57ada9 - std::rt::lang_start::{{closure}}::h2a0e1886ab62467e [INFO] [stderr] 38: 0x56654c87ce80 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 39: 0x56654c87ce80 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 40: 0x56654c87ce80 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 41: 0x56654c87ce80 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 42: 0x56654c87ce80 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stderr] 43: 0x56654c87ce80 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 44: 0x56654c87ce80 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 45: 0x56654c87ce80 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 46: 0x56654c87ce80 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stderr] 47: 0x56654c57ad91 - std::rt::lang_start::h83f914fd5f0dad87 [INFO] [stderr] 48: 0x56654c57c0d5 - main [INFO] [stderr] 49: 0x7eb98d6de1ca - [INFO] [stderr] 50: 0x7eb98d6de28b - __libc_start_main [INFO] [stderr] 51: 0x56654c57a1d5 - _start [INFO] [stderr] 52: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9ba909f83d26bc276ce4013efb75ac42975bd0e6e4e04f7aa061936db1a29b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba909f83d26bc276ce4013efb75ac42975bd0e6e4e04f7aa061936db1a29b7b", kill_on_drop: false }` [INFO] [stdout] 9ba909f83d26bc276ce4013efb75ac42975bd0e6e4e04f7aa061936db1a29b7b