[INFO] fetching crate enet 0.3.0...
[INFO] testing enet-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate enet 0.3.0
[INFO] finished tweaking crates.io crate enet 0.3.0
[INFO] tweaked toml for crates.io crate enet 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enet 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enet 0.3.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0636fdfb39c5d96f2e2e6c083360cec129ea8240d9491cee7a662f42f55cf9b3
[INFO] running `Command { std: "docker" "start" "-a" "0636fdfb39c5d96f2e2e6c083360cec129ea8240d9491cee7a662f42f55cf9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0636fdfb39c5d96f2e2e6c083360cec129ea8240d9491cee7a662f42f55cf9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0636fdfb39c5d96f2e2e6c083360cec129ea8240d9491cee7a662f42f55cf9b3", kill_on_drop: false }`
[INFO] [stdout] 0636fdfb39c5d96f2e2e6c083360cec129ea8240d9491cee7a662f42f55cf9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6aedec0424f89aeb6ea9dd278a8fa8e4df67578c29758008cf275e62704cf25
[INFO] running `Command { std: "docker" "start" "-a" "a6aedec0424f89aeb6ea9dd278a8fa8e4df67578c29758008cf275e62704cf25", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling enet-sys v1.0.0
[INFO] [stderr] error: failed to run custom build command for `enet-sys v1.0.0`
[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/enet-sys-501f7b2eb51d1722/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (779) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.36/src/fallback.rs:708:9:
[INFO] [stderr]   "__atomic_wide_counter_struct_(unnamed_at_/usr/include/x86_64-linux-gnu/bits/atomic_wide_counter_h_28_3)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c517080ba2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55c517080ba2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55c517080ba2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x55c517080ba2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x55c5170a439f - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x55c5170a439f - core::fmt::write::h21ca93b65a7c281a
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x55c517071653 - std::io::default_write_fmt::h745a1edf2999cb3b
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55c517071653 - std::io::Write::write_fmt::hfc56e66d6e189682
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x55c5170811f2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x55c51706deec - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x55c51706dd26 - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x55c51706ebfa - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x55c517080ffa - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x55c517080f59 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x55c51706e91d - __rustc[a93bd50104b99ad4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x55c5170ad730 - core::panicking::panic_fmt::hc70c3c83f13c1375
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x55c516ff753f - proc_macro2::fallback::validate_ident::hca8543feec970b60
[INFO] [stderr]     17:     0x55c516ff65b1 - proc_macro2::fallback::Ident::_new::h64e6eb85c25ef812
[INFO] [stderr]     18:     0x55c516ff7b5f - proc_macro2::fallback::Ident::new::he1e46b6eaa5a5017
[INFO] [stderr]     19:     0x55c516ff40f8 - proc_macro2::imp::Ident::new::hec3c06ddf22400a4
[INFO] [stderr]     20:     0x55c516feb388 - proc_macro2::Ident::new::h84358bb2f52dfa7d
[INFO] [stderr]     21:     0x55c516d0d15f - bindgen::ir::context::BindgenContext::rust_ident_raw::h02a2c0ad3afe804e
[INFO] [stderr]     22:     0x55c516d1f770 - bindgen::ir::context::BindgenContext::rust_ident::h3d7558a3b2b43b56
[INFO] [stderr]     23:     0x55c516d9012a - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h2f26ed7df05c692b
[INFO] [stderr]     24:     0x55c516d64deb - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h7643b18216b88715
[INFO] [stderr]     25:     0x55c516c935ae - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha349d7dff1dda688
[INFO] [stderr]     26:     0x55c516d96f30 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h2f26ed7df05c692b
[INFO] [stderr]     27:     0x55c516d64deb - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h7643b18216b88715
[INFO] [stderr]     28:     0x55c516c935ae - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha349d7dff1dda688
[INFO] [stderr]     29:     0x55c516db8645 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h2aaad38e99eae439
[INFO] [stderr]     30:     0x55c516d20785 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hc3ed99d9b94c3ad8
[INFO] [stderr]     31:     0x55c516c93590 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha349d7dff1dda688
[INFO] [stderr]     32:     0x55c516dbab56 - bindgen::codegen::codegen::{{closure}}::ha01891ff4203cb80
[INFO] [stderr]     33:     0x55c516d15cb8 - bindgen::ir::context::BindgenContext::gen::habee0d28bd43413e
[INFO] [stderr]     34:     0x55c516dc06fd - bindgen::codegen::codegen::hb4db02145dfa0138
[INFO] [stderr]     35:     0x55c516d343aa - bindgen::Bindings::generate::hea7cb473e40372a4
[INFO] [stderr]     36:     0x55c516d3538b - bindgen::Builder::generate::h0d1024ae066de366
[INFO] [stderr]     37:     0x55c516c78ce9 - build_script_build::main::h3a5f6ab321487247
[INFO] [stderr]     38:     0x55c516c77e13 - core::ops::function::FnOnce::call_once::hb0f130d1bb4a4927
[INFO] [stderr]     39:     0x55c516c78276 - std::sys::backtrace::__rust_begin_short_backtrace::h764d20e89afc2b2f
[INFO] [stderr]     40:     0x55c516c78449 - std::rt::lang_start::{{closure}}::haf9c4bcb15f4d518
[INFO] [stderr]     41:     0x55c5170819c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae16bf8966719858
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     42:     0x55c5170819c0 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x55c5170819c0 - std::panicking::catch_unwind::h35b4afc45093edf5
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x55c5170819c0 - std::panic::catch_unwind::h5a7ef11ac2fa7980
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x55c5170819c0 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24
[INFO] [stderr]     46:     0x55c5170819c0 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     47:     0x55c5170819c0 - std::panicking::catch_unwind::hfbb31091ea806204
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     48:     0x55c5170819c0 - std::panic::catch_unwind::hc88f452387620cfb
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stderr]     49:     0x55c5170819c0 - std::rt::lang_start_internal::h23cfb6dcbf9c9010
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5
[INFO] [stderr]     50:     0x55c516c78431 - std::rt::lang_start::h5118395b03d9dfcc
[INFO] [stderr]     51:     0x55c516c79cc5 - main
[INFO] [stderr]     52:     0x76511c2341ca - <unknown>
[INFO] [stderr]     53:     0x76511c23428b - __libc_start_main
[INFO] [stderr]     54:     0x55c516c764d5 - _start
[INFO] [stderr]     55:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a6aedec0424f89aeb6ea9dd278a8fa8e4df67578c29758008cf275e62704cf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6aedec0424f89aeb6ea9dd278a8fa8e4df67578c29758008cf275e62704cf25", kill_on_drop: false }`
[INFO] [stdout] a6aedec0424f89aeb6ea9dd278a8fa8e4df67578c29758008cf275e62704cf25