[INFO] fetching crate tweakster 0.0.3... [INFO] testing tweakster-0.0.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate tweakster 0.0.3 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tweakster 0.0.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.37 [INFO] [stderr] Downloaded tracing-core v0.1.28 [INFO] [stderr] Downloaded sys-mount v1.5.1 [INFO] [stderr] Downloaded thiserror v1.0.31 [INFO] [stderr] Downloaded shlex v1.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.136 [INFO] [stderr] Downloaded libloading v0.7.3 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded smart-default v0.6.0 [INFO] [stderr] Downloaded unicode-width v0.1.9 [INFO] [stderr] Downloaded merge v0.1.0 [INFO] [stderr] Downloaded scroll_derive v0.10.5 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded loopdev v0.4.0 [INFO] [stderr] Downloaded goblin v0.2.3 [INFO] [stderr] Downloaded merge_derive v0.1.0 [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] Downloaded syn v1.0.91 [INFO] [stderr] Downloaded unicode-segmentation v1.9.0 [INFO] [stderr] Downloaded bindgen v0.59.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.31 [INFO] [stderr] Downloaded scroll v0.10.2 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded clang-sys v1.3.3 [INFO] [stderr] Downloaded serde v1.0.136 [INFO] [stderr] Downloaded toml v0.5.8 [INFO] [stderr] Downloaded tracing v0.1.35 [INFO] [stderr] Downloaded libc v0.2.123 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00d00931c4e6abba9266870531d9a74f93de29ab1fc941f9f878dcfa03b8c402 [INFO] running `Command { std: "docker" "start" "-a" "00d00931c4e6abba9266870531d9a74f93de29ab1fc941f9f878dcfa03b8c402", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00d00931c4e6abba9266870531d9a74f93de29ab1fc941f9f878dcfa03b8c402", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00d00931c4e6abba9266870531d9a74f93de29ab1fc941f9f878dcfa03b8c402", kill_on_drop: false }` [INFO] [stdout] 00d00931c4e6abba9266870531d9a74f93de29ab1fc941f9f878dcfa03b8c402 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8042cb3a69797e41af1a8a46489b0240aa53feec240b84f2a611deab035f5d8 [INFO] running `Command { std: "docker" "start" "-a" "e8042cb3a69797e41af1a8a46489b0240aa53feec240b84f2a611deab035f5d8", 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 memchr v2.5.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling bindgen v0.59.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling tracing-core v0.1.28 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling clang-sys v1.3.3 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling merge_derive v0.1.0 [INFO] [stderr] Compiling smart-default v0.6.0 [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 goblin v0.2.3 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling tracing v0.1.35 [INFO] [stderr] Compiling loopdev v0.4.0 [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' (1101) 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: 0x64cc9116fb92 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x64cc9116fb92 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x64cc9116fb92 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x64cc9116fb92 - ::fmt::hde21067283f7e82e [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x64cc91180b8f - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x64cc91180b8f - core::fmt::write::h24186904251c31cb [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x64cc91142b43 - std::io::default_write_fmt::hdc5d19b6df666f61 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x64cc91142b43 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x64cc9114d302 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x64cc9114fe5f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x64cc9114fcb9 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x64cc911504e5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x64cc911502ca - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x64cc9114d449 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x64cc911371fd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x64cc9118aa00 - core::panicking::panic_fmt::hb5d6b83773432920 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x64cc911296ff - proc_macro2::fallback::validate_ident::h8cf339a351a29993 [INFO] [stderr] 17: 0x64cc91129931 - proc_macro2::fallback::Ident::_new::h7ed143a59b07ba12 [INFO] [stderr] 18: 0x64cc911298ef - proc_macro2::fallback::Ident::new::h6ce2e563237b530f [INFO] [stderr] 19: 0x64cc91124838 - proc_macro2::imp::Ident::new::hfbac5bcb1cd35fd5 [INFO] [stderr] 20: 0x64cc9111be88 - proc_macro2::Ident::new::h2b9c303a2657bbd2 [INFO] [stderr] 21: 0x64cc90e673df - bindgen::ir::context::BindgenContext::rust_ident_raw::h55e10c8584c41970 [INFO] [stderr] 22: 0x64cc90e65100 - bindgen::ir::context::BindgenContext::rust_ident::h30dfb3eede9cb0f6 [INFO] [stderr] 23: 0x64cc90e921ee - ::codegen::hee9baca16d5c9c8d [INFO] [stderr] 24: 0x64cc90e8eca6 - ::codegen::h06277e74c7329ec4 [INFO] [stderr] 25: 0x64cc90f4b70d - ::codegen::h1c39df4e2071d01f [INFO] [stderr] 26: 0x64cc90eec015 - ::codegen::{{closure}}::hccd47677a8956986 [INFO] [stderr] 27: 0x64cc90f0b315 - ::codegen::hc6a32bd78d8de198 [INFO] [stderr] 28: 0x64cc90f4b6f2 - ::codegen::h1c39df4e2071d01f [INFO] [stderr] 29: 0x64cc90ef78f8 - bindgen::codegen::codegen::{{closure}}::h13ed790e8f728f43 [INFO] [stderr] 30: 0x64cc90e71c48 - bindgen::ir::context::BindgenContext::gen::h4ea0c79d4df39e60 [INFO] [stderr] 31: 0x64cc90ef720d - bindgen::codegen::codegen::hb7ee38f4b645cead [INFO] [stderr] 32: 0x64cc90edcbf6 - bindgen::Bindings::generate::h469205a85398786c [INFO] [stderr] 33: 0x64cc90ed9baf - bindgen::Builder::generate::hdfb6f8abc16513c7 [INFO] [stderr] 34: 0x64cc90e48226 - build_script_build::main::h37004be6d841bc6f [INFO] [stderr] 35: 0x64cc90e48d13 - core::ops::function::FnOnce::call_once::h1990624be83f806f [INFO] [stderr] 36: 0x64cc90e48bc6 - std::sys::backtrace::__rust_begin_short_backtrace::h7305c4085437e978 [INFO] [stderr] 37: 0x64cc90e48ba9 - std::rt::lang_start::{{closure}}::hc1f5e40e27964778 [INFO] [stderr] 38: 0x64cc91144690 - core::ops::function::impls:: for &F>::call_once::h8434f550918e723f [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 39: 0x64cc91144690 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stderr] 40: 0x64cc91144690 - std::panicking::catch_unwind::hf345702047129f6d [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stderr] 41: 0x64cc91144690 - std::panic::catch_unwind::h42f92c278294a3a0 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stderr] 42: 0x64cc91144690 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24 [INFO] [stderr] 43: 0x64cc91144690 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stderr] 44: 0x64cc91144690 - std::panicking::catch_unwind::hbfda5503aab4db1e [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stderr] 45: 0x64cc91144690 - std::panic::catch_unwind::h1a1ed11560d244f4 [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stderr] 46: 0x64cc91144690 - std::rt::lang_start_internal::h1f713c0146d469ad [INFO] [stderr] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5 [INFO] [stderr] 47: 0x64cc90e48b91 - std::rt::lang_start::hac03dc132f2f90d5 [INFO] [stderr] 48: 0x64cc90e49e45 - main [INFO] [stderr] 49: 0x7741eb9d61ca - [INFO] [stderr] 50: 0x7741eb9d628b - __libc_start_main [INFO] [stderr] 51: 0x64cc90e480b5 - _start [INFO] [stderr] 52: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e8042cb3a69797e41af1a8a46489b0240aa53feec240b84f2a611deab035f5d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8042cb3a69797e41af1a8a46489b0240aa53feec240b84f2a611deab035f5d8", kill_on_drop: false }` [INFO] [stdout] e8042cb3a69797e41af1a8a46489b0240aa53feec240b84f2a611deab035f5d8