[INFO] fetching crate enet 0.3.0...
[INFO] testing enet-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enet 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7211cd4ef5a976aab4c7180f427a261f433d6afd5439bd3be9f8853934b302f1
[INFO] running `Command { std: "docker" "start" "-a" "7211cd4ef5a976aab4c7180f427a261f433d6afd5439bd3be9f8853934b302f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7211cd4ef5a976aab4c7180f427a261f433d6afd5439bd3be9f8853934b302f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7211cd4ef5a976aab4c7180f427a261f433d6afd5439bd3be9f8853934b302f1", kill_on_drop: false }`
[INFO] [stdout] 7211cd4ef5a976aab4c7180f427a261f433d6afd5439bd3be9f8853934b302f1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 918b55e012203b112db8c75192a3429b074940c62aced8542b3bbe59dc9c6ac4
[INFO] running `Command { std: "docker" "start" "-a" "918b55e012203b112db8c75192a3429b074940c62aced8542b3bbe59dc9c6ac4", 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 glob v0.3.0
[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 textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling cexpr v0.6.0
[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' (589) 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:     0x5bc0dc005982 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5bc0dc005982 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5bc0dc005982 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5bc0dc005982 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5bb8a979ba5db788
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5bc0dc01750f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5bc0dc01750f - core::fmt::write::h1e0dbf07fe3990bd
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5bc0dbfd4cb3 - std::io::default_write_fmt::hb0810a37865e52a5
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5bc0dbfd4cb3 - std::io::Write::write_fmt::h12c8908aaac7ca22
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5bc0dbfe00a2 - std::sys::backtrace::BacktraceLock::print::h788d486777205086
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5bc0dbfe307f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5bc0dbfe2ed9 - std::panicking::default_hook::h6dad75ec721846f4
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5bc0dbfe3705 - std::panicking::panic_with_hook::hba00e869ada17676
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5bc0dbfe34ea - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5bc0dbfe01d9 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5bc0dbfc893d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5bc0dc021650 - core::panicking::panic_fmt::h78e817a90331d98b
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5bc0dbf68fdf - proc_macro2::fallback::validate_ident::h4cd4faec2ecb8331
[INFO] [stderr]     17:     0x5bc0dbf69281 - proc_macro2::fallback::Ident::_new::hf71dad53da11885b
[INFO] [stderr]     18:     0x5bc0dbf6923f - proc_macro2::fallback::Ident::new::hbc4b64ec2b39490d
[INFO] [stderr]     19:     0x5bc0dbf68028 - proc_macro2::imp::Ident::new::hf8a88d2adf3f0d08
[INFO] [stderr]     20:     0x5bc0dbf5dee8 - proc_macro2::Ident::new::h287723251a11f5da
[INFO] [stderr]     21:     0x5bc0dbc4ba2f - bindgen::ir::context::BindgenContext::rust_ident_raw::h546f39ae1cc00aed
[INFO] [stderr]     22:     0x5bc0dbc496c0 - bindgen::ir::context::BindgenContext::rust_ident::h70b62d744b0b527c
[INFO] [stderr]     23:     0x5bc0dbd1609a - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::ha437dfa74b756d87
[INFO] [stderr]     24:     0x5bc0dbc2263b - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h4d4a23cfe5eec2f9
[INFO] [stderr]     25:     0x5bc0dbd31e0e - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::he4cc99fed7770bf2
[INFO] [stderr]     26:     0x5bc0dbd1cebc - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::ha437dfa74b756d87
[INFO] [stderr]     27:     0x5bc0dbc2263b - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h4d4a23cfe5eec2f9
[INFO] [stderr]     28:     0x5bc0dbd31e0e - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::he4cc99fed7770bf2
[INFO] [stderr]     29:     0x5bc0dbce0385 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::hd59476e738af1e7c
[INFO] [stderr]     30:     0x5bc0dbc47495 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h5616882e936ac93a
[INFO] [stderr]     31:     0x5bc0dbd31df0 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::he4cc99fed7770bf2
[INFO] [stderr]     32:     0x5bc0dbcec2d6 - bindgen::codegen::codegen::{{closure}}::h1dbc49ef97c0e2c1
[INFO] [stderr]     33:     0x5bc0dbc575b8 - bindgen::ir::context::BindgenContext::gen::h7afc0215ff312ca8
[INFO] [stderr]     34:     0x5bc0dbceb6fd - bindgen::codegen::codegen::ha36ca4fe16290723
[INFO] [stderr]     35:     0x5bc0dbc11a3a - bindgen::Bindings::generate::h38eea397f08ca2f8
[INFO] [stderr]     36:     0x5bc0dbc0e5db - bindgen::Builder::generate::hf8acb58eace38470
[INFO] [stderr]     37:     0x5bc0dbbe9249 - build_script_build::main::h7d1086fdfebd8e16
[INFO] [stderr]     38:     0x5bc0dbbea043 - core::ops::function::FnOnce::call_once::hc1025798cef61256
[INFO] [stderr]     39:     0x5bc0dbbe9f76 - std::sys::backtrace::__rust_begin_short_backtrace::h5bec1f04203e7e6c
[INFO] [stderr]     40:     0x5bc0dbbe9ef9 - std::rt::lang_start::{{closure}}::h7a1dc9d2fd3b37a9
[INFO] [stderr]     41:     0x5bc0dbfd66d0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1dc0a50e6295ec78
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     42:     0x5bc0dbfd66d0 - std::panicking::catch_unwind::do_call::h209f742e9999044e
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x5bc0dbfd66d0 - std::panicking::catch_unwind::h508c6e2aa6d72749
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x5bc0dbfd66d0 - std::panic::catch_unwind::hebcbb24aa9914693
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5bc0dbfd66d0 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24
[INFO] [stderr]     46:     0x5bc0dbfd66d0 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stderr]     47:     0x5bc0dbfd66d0 - std::panicking::catch_unwind::hac448d7e3b12daa3
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stderr]     48:     0x5bc0dbfd66d0 - std::panic::catch_unwind::ha9d74a13d77f299c
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stderr]     49:     0x5bc0dbfd66d0 - std::rt::lang_start_internal::ha26d244788d1956d
[INFO] [stderr]                                  at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5
[INFO] [stderr]     50:     0x5bc0dbbe9ee1 - std::rt::lang_start::hc50ac9f9de7bbbc1
[INFO] [stderr]     51:     0x5bc0dbbec485 - main
[INFO] [stderr]     52:     0x713fecbe31ca - <unknown>
[INFO] [stderr]     53:     0x713fecbe328b - __libc_start_main
[INFO] [stderr]     54:     0x5bc0dbbe8c95 - _start
[INFO] [stderr]     55:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "918b55e012203b112db8c75192a3429b074940c62aced8542b3bbe59dc9c6ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918b55e012203b112db8c75192a3429b074940c62aced8542b3bbe59dc9c6ac4", kill_on_drop: false }`
[INFO] [stdout] 918b55e012203b112db8c75192a3429b074940c62aced8542b3bbe59dc9c6ac4