[INFO] fetching crate enet 0.3.0...
[INFO] checking enet-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enet 0.3.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enet-sys v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ccc2eb28356e738ec0edde4c53c8c8fc5ed19c2bb58cbad7d9716a08f1016f
[INFO] running `Command { std: "docker" "start" "-a" "c0ccc2eb28356e738ec0edde4c53c8c8fc5ed19c2bb58cbad7d9716a08f1016f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ccc2eb28356e738ec0edde4c53c8c8fc5ed19c2bb58cbad7d9716a08f1016f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ccc2eb28356e738ec0edde4c53c8c8fc5ed19c2bb58cbad7d9716a08f1016f", kill_on_drop: false }`
[INFO] [stdout] c0ccc2eb28356e738ec0edde4c53c8c8fc5ed19c2bb58cbad7d9716a08f1016f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2f887fb701a2d9d2d2a2d9eb40435a907fdbffa576d1f3213117bbc460881d
[INFO] running `Command { std: "docker" "start" "-a" "be2f887fb701a2d9d2d2a2d9eb40435a907fdbffa576d1f3213117bbc460881d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[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 either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling cmake v0.1.48
[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 regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking 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' 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:     0x559fff028c92 - std::backtrace_rs::backtrace::libunwind::trace::h78562a013ab6f1d1
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x559fff028c92 - std::backtrace_rs::backtrace::trace_unsynchronized::h77ced773b5be47e3
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x559fff028c92 - std::sys::backtrace::_print_fmt::hd8554b653175eb90
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x559fff028c92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h0ee684fa48ea65a9
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x559fff0511d3 - core::fmt::rt::Argument::fmt::h97dc4aa34475380b
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x559fff0511d3 - core::fmt::write::ha7e9dac23b0574fc
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x559fff0258b3 - std::io::default_write_fmt::hdebc07c8b1ed24d8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x559fff0258b3 - std::io::Write::write_fmt::h74c2ee93ac2161e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x559fff028ae2 - std::sys::backtrace::BacktraceLock::print::h5d2ec0ae212b38da
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x559fff02a106 - std::panicking::default_hook::{{closure}}::h919f804d261dd9ce
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x559fff029f09 - std::panicking::default_hook::h96273494815ab2d6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x559fff02ab12 - std::panicking::rust_panic_with_hook::hd760048b5d2d6151
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x559fff02a8aa - std::panicking::begin_panic_handler::{{closure}}::h040646f2e9c9f682
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x559fff029199 - std::sys::backtrace::__rust_end_short_backtrace::h6a810defc53f5213
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x559fff02a53d - __rustc[d0903a379a499752]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x559fff04f530 - core::panicking::panic_fmt::hdb4e2ff26c68ec1f
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x559ffefa241f - proc_macro2::fallback::validate_ident::h2178984a7cdbd19a
[INFO] [stderr]     17:     0x559ffefa21a1 - proc_macro2::fallback::Ident::_new::h4231ef329afd438c
[INFO] [stderr]     18:     0x559ffefa21ff - proc_macro2::fallback::Ident::new::he2aabd99e8931726
[INFO] [stderr]     19:     0x559ffef9d458 - proc_macro2::imp::Ident::new::hd304866fcdbc0425
[INFO] [stderr]     20:     0x559ffef9aa98 - proc_macro2::Ident::new::h1af718d52033babc
[INFO] [stderr]     21:     0x559ffecad3af - bindgen::ir::context::BindgenContext::rust_ident_raw::h077421675c57cfb7
[INFO] [stderr]     22:     0x559ffecad270 - bindgen::ir::context::BindgenContext::rust_ident::h9056519b25dcf20d
[INFO] [stderr]     23:     0x559ffecc73fc - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::hf3b51666bc12bd65
[INFO] [stderr]     24:     0x559ffed35dbb - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h889825577915da44
[INFO] [stderr]     25:     0x559ffed15a32 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h274550466d09be52
[INFO] [stderr]     26:     0x559ffecce5c1 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::hf3b51666bc12bd65
[INFO] [stderr]     27:     0x559ffed35dbb - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h889825577915da44
[INFO] [stderr]     28:     0x559ffed15a32 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h274550466d09be52
[INFO] [stderr]     29:     0x559ffed64f45 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h7cc1e3cec38bacd6
[INFO] [stderr]     30:     0x559ffeca8ebc - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hc6c792b9e32958c2
[INFO] [stderr]     31:     0x559ffed15a17 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h274550466d09be52
[INFO] [stderr]     32:     0x559ffed71aee - bindgen::codegen::codegen::{{closure}}::haf98a08a662353cb
[INFO] [stderr]     33:     0x559ffecafd88 - bindgen::ir::context::BindgenContext::gen::h17e8589e7498c96e
[INFO] [stderr]     34:     0x559ffed70e4d - bindgen::codegen::codegen::hc427e6f3b8a64e02
[INFO] [stderr]     35:     0x559ffecf1ac3 - bindgen::Bindings::generate::ha616d259be27c50e
[INFO] [stderr]     36:     0x559ffeceed0a - bindgen::Builder::generate::h4979b8a57a756508
[INFO] [stderr]     37:     0x559ffec192a9 - build_script_build::main::h521ad3006f9f5d7b
[INFO] [stderr]     38:     0x559ffec16ae3 - core::ops::function::FnOnce::call_once::h96ca9c2ea39f2888
[INFO] [stderr]     39:     0x559ffec16a16 - std::sys::backtrace::__rust_begin_short_backtrace::h494250bd03e2c6ac
[INFO] [stderr]     40:     0x559ffec16999 - std::rt::lang_start::{{closure}}::hb4d941ef36c91819
[INFO] [stderr]     41:     0x559fff0207d0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc0a003771d36ce49
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     42:     0x559fff0207d0 - std::panicking::catch_unwind::do_call::h9858643921646d98
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     43:     0x559fff0207d0 - std::panicking::catch_unwind::h8c86187d9aa365e4
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     44:     0x559fff0207d0 - std::panic::catch_unwind::h7fb0f60cd1f7dbc8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x559fff0207d0 - std::rt::lang_start_internal::{{closure}}::he8bf7dae0379adc7
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:175:24
[INFO] [stderr]     46:     0x559fff0207d0 - std::panicking::catch_unwind::do_call::h14a6a5289a8309e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     47:     0x559fff0207d0 - std::panicking::catch_unwind::h324e7e057c6492a0
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     48:     0x559fff0207d0 - std::panic::catch_unwind::h707fe61980e924ea
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     49:     0x559fff0207d0 - std::rt::lang_start_internal::hc492c42d25e8d5e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:171:5
[INFO] [stderr]     50:     0x559ffec16981 - std::rt::lang_start::ha69358e37cf0c610
[INFO] [stderr]     51:     0x559ffec199d5 - main
[INFO] [stderr]     52:     0x7a3df10351ca - <unknown>
[INFO] [stderr]     53:     0x7a3df103528b - __libc_start_main
[INFO] [stderr]     54:     0x559ffec161e5 - _start
[INFO] [stderr]     55:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "be2f887fb701a2d9d2d2a2d9eb40435a907fdbffa576d1f3213117bbc460881d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2f887fb701a2d9d2d2a2d9eb40435a907fdbffa576d1f3213117bbc460881d", kill_on_drop: false }`
[INFO] [stdout] be2f887fb701a2d9d2d2a2d9eb40435a907fdbffa576d1f3213117bbc460881d