[INFO] fetching crate enet 0.3.0...
[INFO] testing enet-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enet 0.3.0 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 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded clang-sys v1.3.1
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded libloading v0.7.3
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded bindgen v0.59.2
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded enet-sys v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5372f3635db6560f7c4911812e009a42a966532cfc3f511c5c6e5dd77f47491e
[INFO] running `Command { std: "docker" "start" "-a" "5372f3635db6560f7c4911812e009a42a966532cfc3f511c5c6e5dd77f47491e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5372f3635db6560f7c4911812e009a42a966532cfc3f511c5c6e5dd77f47491e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372f3635db6560f7c4911812e009a42a966532cfc3f511c5c6e5dd77f47491e", kill_on_drop: false }`
[INFO] [stdout] 5372f3635db6560f7c4911812e009a42a966532cfc3f511c5c6e5dd77f47491e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d6767249449cd20dd215d69879fd9fdbb3ddb86a0266af934e13cfd726ff3ae1
[INFO] running `Command { std: "docker" "start" "-a" "d6767249449cd20dd215d69879fd9fdbb3ddb86a0266af934e13cfd726ff3ae1", 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 unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling cmake v0.1.48
[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' (744) 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:     0x607e8af4c922 - 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:     0x607e8af4c922 - 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:     0x607e8af4c922 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x607e8af4c922 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x607e8af5e2cf - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x607e8af5e2cf - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x607e8af1ba33 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x607e8af1ba33 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x607e8af26cd2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x607e8af29d0f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x607e8af29b69 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x607e8af2a395 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x607e8af2a17a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x607e8af26e19 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x607e8af0fbbd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x607e8af683c0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x607e8aeb3fbf - proc_macro2::fallback::validate_ident::h7b5486971fdae8d6
[INFO] [stderr]     17:     0x607e8aeb4261 - proc_macro2::fallback::Ident::_new::hdeb7ca318c2bc245
[INFO] [stderr]     18:     0x607e8aeb421f - proc_macro2::fallback::Ident::new::hcae785560bee7aca
[INFO] [stderr]     19:     0x607e8aeaf0b8 - proc_macro2::imp::Ident::new::h2bd9e9389e522677
[INFO] [stderr]     20:     0x607e8aea68b8 - proc_macro2::Ident::new::hf087e4500f9da59f
[INFO] [stderr]     21:     0x607e8ac5f6ef - bindgen::ir::context::BindgenContext::rust_ident_raw::hace0779ed0ffb4cb
[INFO] [stderr]     22:     0x607e8ac5d390 - bindgen::ir::context::BindgenContext::rust_ident::h9a92c91c46591dca
[INFO] [stderr]     23:     0x607e8ac1fdca - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::hd8f669a2a952103f
[INFO] [stderr]     24:     0x607e8ab5ec2b - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8bf2d28396da958b
[INFO] [stderr]     25:     0x607e8ac7e57e - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hcf66e41569c717fa
[INFO] [stderr]     26:     0x607e8ac26b1e - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::hd8f669a2a952103f
[INFO] [stderr]     27:     0x607e8ab5ec2b - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8bf2d28396da958b
[INFO] [stderr]     28:     0x607e8ac7e57e - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hcf66e41569c717fa
[INFO] [stderr]     29:     0x607e8ab7b115 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h6b6bb9c7af199470
[INFO] [stderr]     30:     0x607e8abe3f15 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h929177109bdaaeb2
[INFO] [stderr]     31:     0x607e8ac7e560 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hcf66e41569c717fa
[INFO] [stderr]     32:     0x607e8ab875dc - bindgen::codegen::codegen::{{closure}}::hc84f105f0f91aa21
[INFO] [stderr]     33:     0x607e8ac6b228 - bindgen::ir::context::BindgenContext::gen::h3eccd42ace7df5b8
[INFO] [stderr]     34:     0x607e8ab869fd - bindgen::codegen::codegen::h26a4de99b964e7fc
[INFO] [stderr]     35:     0x607e8abfe542 - bindgen::Bindings::generate::h8de638ccd08fc89e
[INFO] [stderr]     36:     0x607e8abfa7ff - bindgen::Builder::generate::h4592e9933c9619b6
[INFO] [stderr]     37:     0x607e8ab3bba9 - build_script_build::main::h2046c3365d6504f4
[INFO] [stderr]     38:     0x607e8ab3ca03 - core::ops::function::FnOnce::call_once::haa91cb96f599580c
[INFO] [stderr]     39:     0x607e8ab3c8f6 - std::sys::backtrace::__rust_begin_short_backtrace::hdc64f35b45c1e172
[INFO] [stderr]     40:     0x607e8ab3c879 - std::rt::lang_start::{{closure}}::hb3e2bdb032375e7d
[INFO] [stderr]     41:     0x607e8af1d5b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     42:     0x607e8af1d5b0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x607e8af1d5b0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x607e8af1d5b0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x607e8af1d5b0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]     46:     0x607e8af1d5b0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     47:     0x607e8af1d5b0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     48:     0x607e8af1d5b0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     49:     0x607e8af1d5b0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     50:     0x607e8ab3c861 - std::rt::lang_start::h297da0b1d75d5117
[INFO] [stderr]     51:     0x607e8ab3ed45 - main
[INFO] [stderr]     52:     0x7e7fe0d1b1ca - <unknown>
[INFO] [stderr]     53:     0x7e7fe0d1b28b - __libc_start_main
[INFO] [stderr]     54:     0x607e8ab3b6f5 - _start
[INFO] [stderr]     55:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d6767249449cd20dd215d69879fd9fdbb3ddb86a0266af934e13cfd726ff3ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6767249449cd20dd215d69879fd9fdbb3ddb86a0266af934e13cfd726ff3ae1", kill_on_drop: false }`
[INFO] [stdout] d6767249449cd20dd215d69879fd9fdbb3ddb86a0266af934e13cfd726ff3ae1