[INFO] fetching crate libflo_module 0.1.2... [INFO] checking libflo_module-0.1.2 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate libflo_module 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate libflo_module 0.1.2 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libflo_module 0.1.2 [INFO] finished tweaking crates.io crate libflo_module 0.1.2 [INFO] tweaked toml for crates.io crate libflo_module 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syntex_pos v0.44.0 [INFO] [stderr] Downloaded syntex_errors v0.44.0 [INFO] [stderr] Downloaded quasi v0.20.1 [INFO] [stderr] Downloaded unicode-xid v0.0.3 [INFO] [stderr] Downloaded rustc-serialize v0.3.25 [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded itoa v0.1.1 [INFO] [stderr] Downloaded addr2line v0.21.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.23 [INFO] [stderr] Downloaded error-chain v0.7.2 [INFO] [stderr] Downloaded dtoa v0.2.2 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded serde v0.8.23 [INFO] [stderr] Downloaded backtrace v0.3.71 [INFO] [stderr] Downloaded gimli v0.28.1 [INFO] [stderr] Downloaded object v0.32.2 [INFO] [stderr] Downloaded syntex_syntax v0.44.1 [INFO] [stderr] Downloaded serde_json v0.8.6 [INFO] [stderr] Downloaded aster v0.27.0 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded quasi_codegen v0.20.0 [INFO] [stderr] Downloaded quasi_macros v0.20.0 [INFO] [stderr] Downloaded syntex v0.44.0 [INFO] [stderr] Downloaded serde_codegen v0.8.9 [INFO] [stderr] Downloaded serde_codegen_internals v0.8.9 [INFO] [stderr] Downloaded serde_macros v0.8.9 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3aba557f1458c21974840089248378a8771936936e0675582bf1645e0b025a3b [INFO] running `Command { std: "docker" "start" "-a" "3aba557f1458c21974840089248378a8771936936e0675582bf1645e0b025a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3aba557f1458c21974840089248378a8771936936e0675582bf1645e0b025a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aba557f1458c21974840089248378a8771936936e0675582bf1645e0b025a3b", kill_on_drop: false }` [INFO] [stdout] 3aba557f1458c21974840089248378a8771936936e0675582bf1645e0b025a3b [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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df9305eee11b014c84c8265d227a4d28be7ce76ad12a6cb67fc79c7fd10a73c5 [INFO] running `Command { std: "docker" "start" "-a" "df9305eee11b014c84c8265d227a4d28be7ce76ad12a6cb67fc79c7fd10a73c5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking dtoa v0.2.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling syntex_pos v0.44.0 [INFO] [stderr] Compiling syntex_errors v0.44.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Compiling syntex_syntax v0.44.1 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking error-chain v0.7.2 [INFO] [stderr] Compiling syntex v0.44.0 [INFO] [stderr] Compiling aster v0.27.0 [INFO] [stderr] Compiling quasi v0.20.1 [INFO] [stderr] Compiling serde_codegen_internals v0.8.9 [INFO] [stderr] Compiling quasi_codegen v0.20.0 [INFO] [stderr] Compiling serde_codegen v0.8.9 [INFO] [stderr] error: failed to run custom build command for `serde_codegen v0.8.9` [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/serde_codegen-335fcd07cc3dcda9/build-script-build` (signal: 6, SIGABRT: process abort signal) [INFO] [stderr] --- stderr [INFO] [stderr] thread '' panicked at library/core/src/panicking.rs:152:5: [INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56200146c4d5 - std::backtrace_rs::backtrace::libunwind::trace::h358d27b0beb91d52 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x56200146c4d5 - std::backtrace_rs::backtrace::trace_unsynchronized::hb23626f2832be2ef [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56200146c4d5 - std::sys_common::backtrace::_print_fmt::h12a2241e36ed88c8 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x56200146c4d5 - ::fmt::h00f4d0202e49b73c [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x56200148c1db - core::fmt::rt::Argument::fmt::h50b99c7ac9b6f780 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x56200148c1db - core::fmt::write::h052bbc034f024029 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x56200146a37f - std::io::Write::write_fmt::h8a7055241a914793 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x56200146c2ae - std::sys_common::backtrace::_print::hc7429e59d20aef3d [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x56200146c2ae - std::sys_common::backtrace::print::h098f1297ce95d7fd [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x56200146d899 - std::panicking::default_hook::{{closure}}::hfacad2d95a15b54f [INFO] [stderr] 10: 0x56200146d603 - std::panicking::default_hook::h335f6dbc0bdf0870 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x56200146dd34 - std::panicking::rust_panic_with_hook::h1985d360b67b5f37 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/panicking.rs:789:13 [INFO] [stderr] 12: 0x56200146dbdd - std::panicking::begin_panic_handler::{{closure}}::hf64883af21dee792 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/panicking.rs:650:13 [INFO] [stderr] 13: 0x56200146c999 - std::sys_common::backtrace::__rust_end_short_backtrace::h48fdcafa2a5427ef [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x56200146d947 - rust_begin_unwind [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/panicking.rs:646:5 [INFO] [stderr] 15: 0x5620011a5373 - core::panicking::panic_nounwind_fmt::runtime::hb76dc57f92243e82 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/core/src/panicking.rs:110:18 [INFO] [stderr] 16: 0x5620011a5373 - core::panicking::panic_nounwind_fmt::h0dce78e12a6838e3 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/core/src/panicking.rs:120:5 [INFO] [stderr] 17: 0x5620011a5405 - core::panicking::panic_nounwind::h79482fc72b842e6a [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/core/src/panicking.rs:152:5 [INFO] [stderr] 18: 0x56200138e53b - >::get_unchecked::precondition_check::hb6cc0b00e8645629 [INFO] [stderr] 19: 0x56200138e074 - >::get_unchecked::h82bb9b8c268ddc8b [INFO] [stderr] 20: 0x562001322cf5 - core::slice::::get_unchecked::h02e992c81bc5c4be [INFO] [stderr] 21: 0x5620011fb9be - as syntex_syntax::util::move_map::MoveMap>::move_flat_map::h2be521e910484c47 [INFO] [stderr] 22: 0x5620012bb9ac - syntex_syntax::fold::noop_fold_mod::h2ac0079081ea4cef [INFO] [stderr] 23: 0x5620013e448f - syntex_syntax::fold::Folder::fold_mod::h7130a918b9cbb9f7 [INFO] [stderr] 24: 0x5620012b50ed - syntex_syntax::fold::noop_fold_item_kind::h2003e7184ab64df9 [INFO] [stderr] 25: 0x5620013e41bf - syntex_syntax::fold::Folder::fold_item_kind::h9076ff85a6bf3b34 [INFO] [stderr] 26: 0x5620012bcf0a - syntex_syntax::fold::noop_fold_item_simple::h7471b00edb740ae9 [INFO] [stderr] 27: 0x5620013e40ff - syntex_syntax::fold::Folder::fold_item_simple::hf781224cc301880a [INFO] [stderr] 28: 0x5620012bc94f - syntex_syntax::fold::noop_fold_item::{{closure}}::h65ced8ee3b8678a1 [INFO] [stderr] 29: 0x56200132dc48 - syntex_syntax::ptr::P::map::hbcdc77aca8460bc7 [INFO] [stderr] 30: 0x5620012bc8e3 - syntex_syntax::fold::noop_fold_item::hc45de92fe6012bfe [INFO] [stderr] 31: 0x5620013ee951 - syntex_syntax::ext::expand::expand_multi_modified::h7d825d2aee929498 [INFO] [stderr] 32: 0x5620013846f8 - syntex_syntax::ext::decorator::expand_annotatable::ha75f2c871611bddc [INFO] [stderr] 33: 0x5620013ed95c - syntex_syntax::ext::expand::expand_item::haf55a73673357951 [INFO] [stderr] 34: 0x5620013f0cd2 - ::fold_item::hb1c9645bb0e1e9e3 [INFO] [stderr] 35: 0x5620012bc006 - syntex_syntax::fold::noop_fold_crate::h064886e9f0d89539 [INFO] [stderr] 36: 0x5620013f04ce - ::fold_crate::h1b78aafd39476f46 [INFO] [stderr] 37: 0x5620013f1b42 - syntex_syntax::ext::expand::expand_crate_with_expander::h44b865131d5c950b [INFO] [stderr] 38: 0x5620013f16a4 - syntex_syntax::ext::expand::expand_crate::h5019acec4315081e [INFO] [stderr] 39: 0x5620011da02b - syntex::Registry::expand_crate::h51213343bc3d5772 [INFO] [stderr] 40: 0x5620011aa847 - syntex::Registry::expand::hb38202d199059c48 [INFO] [stderr] 41: 0x5620011a5d7a - quasi_codegen::expand::{{closure}}::hee10a64c5d454cb5 [INFO] [stderr] 42: 0x5620011a5e26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h521271739c0d7044 [INFO] [stderr] 43: 0x5620011a82a5 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hd61fbc98ca8f27a6 [INFO] [stderr] 44: 0x5620011a5ab8 - as core::ops::function::FnOnce<()>>::call_once::h7a81d669a8b1b898 [INFO] [stderr] 45: 0x5620011a84c4 - std::panicking::try::do_call::h1de2504ca687bdf5 [INFO] [stderr] 46: 0x5620011ab9cb - __rust_try [INFO] [stderr] 47: 0x5620011a83c8 - std::panicking::try::h9a0dd99a1601caab [INFO] [stderr] 48: 0x5620011a811c - std::thread::Builder::spawn_unchecked_::{{closure}}::hd278d9cea1846efb [INFO] [stderr] 49: 0x5620011a87d6 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha422bd90d799dd19 [INFO] [stderr] 50: 0x562001470209 - as core::ops::function::FnOnce>::call_once::h6dc9de06dfc501ab [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/alloc/src/boxed.rs:2015:9 [INFO] [stderr] 51: 0x562001470209 - as core::ops::function::FnOnce>::call_once::hc5bbd99ced815c6f [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/alloc/src/boxed.rs:2015:9 [INFO] [stderr] 52: 0x562001470209 - std::sys::pal::unix::thread::Thread::new::thread_start::h0243db2ae6ac2b16 [INFO] [stderr] at /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stderr] 53: 0x7f906bf5bac3 - [INFO] [stderr] 54: 0x7f906bfecbf4 - __clone [INFO] [stderr] 55: 0x0 - [INFO] [stderr] thread caused non-unwinding panic. aborting. [INFO] running `Command { std: "docker" "inspect" "df9305eee11b014c84c8265d227a4d28be7ce76ad12a6cb67fc79c7fd10a73c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df9305eee11b014c84c8265d227a4d28be7ce76ad12a6cb67fc79c7fd10a73c5", kill_on_drop: false }` [INFO] [stdout] df9305eee11b014c84c8265d227a4d28be7ce76ad12a6cb67fc79c7fd10a73c5