[INFO] fetching crate enet 0.3.0...
[INFO] testing enet-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate enet 0.3.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enet 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded libloading v0.7.3
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded enet-sys v1.0.0
[INFO] [stderr]   Downloaded nom v7.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded clang-sys v1.3.1
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18e3b340eb5247acf7d4940e8ad8dce32063b0fffe955ba99a36849538e40d4b
[INFO] running `Command { std: "docker" "start" "-a" "18e3b340eb5247acf7d4940e8ad8dce32063b0fffe955ba99a36849538e40d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e3b340eb5247acf7d4940e8ad8dce32063b0fffe955ba99a36849538e40d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e3b340eb5247acf7d4940e8ad8dce32063b0fffe955ba99a36849538e40d4b", kill_on_drop: false }`
[INFO] [stdout] 18e3b340eb5247acf7d4940e8ad8dce32063b0fffe955ba99a36849538e40d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171ee7b59012335c179a4232076c7877817f2d5cd0211aadd5adec2f4c3fab0c
[INFO] running `Command { std: "docker" "start" "-a" "171ee7b59012335c179a4232076c7877817f2d5cd0211aadd5adec2f4c3fab0c", 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 cfg-if v1.0.0
[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 minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[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 cc v1.0.73
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[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 aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cmake v0.1.48
[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]    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-656cc5039ef189c7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (756) 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:     0x631694164d5a - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x631694164d5a - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x631694164d5a - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x631694164d5a - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x63169417c40a - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63169417c40a - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]      6:     0x63169416b212 - std[31e582c13f4e914f]::io::default_write_fmt::<std[31e582c13f4e914f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63169416b212 - <std[31e582c13f4e914f]::sys::stdio::unix::Stderr as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x6316941456df - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x6316941456df - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x63169415efd1 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x63169415f24b - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x631694145798 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x63169413a809 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x6316941460fd - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x63169417cc7c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6316940c0d2b - proc_macro2[a3807f62da73f013]::fallback::validate_ident
[INFO] [stderr]     17:     0x6316940c01f1 - <proc_macro2[a3807f62da73f013]::fallback::Ident>::_new
[INFO] [stderr]     18:     0x6316940c01af - <proc_macro2[a3807f62da73f013]::fallback::Ident>::new
[INFO] [stderr]     19:     0x6316940cb878 - <proc_macro2[a3807f62da73f013]::imp::Ident>::new
[INFO] [stderr]     20:     0x6316940c8328 - <proc_macro2[a3807f62da73f013]::Ident>::new
[INFO] [stderr]     21:     0x631693e526bf - <bindgen[4bb7dc36f99ba01c]::ir::context::BindgenContext>::rust_ident_raw::<alloc[49b8922c36ca62de]::borrow::Cow<str>>
[INFO] [stderr]     22:     0x631693e52020 - <bindgen[4bb7dc36f99ba01c]::ir::context::BindgenContext>::rust_ident::<&alloc[49b8922c36ca62de]::string::String>
[INFO] [stderr]     23:     0x631693e824c1 - <bindgen[4bb7dc36f99ba01c]::ir::comp::CompInfo as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     24:     0x631693eb1252 - <bindgen[4bb7dc36f99ba01c]::ir::ty::Type as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     25:     0x631693dfc220 - <bindgen[4bb7dc36f99ba01c]::ir::item::Item as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     26:     0x631693e892c1 - <bindgen[4bb7dc36f99ba01c]::ir::comp::CompInfo as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     27:     0x631693eb1252 - <bindgen[4bb7dc36f99ba01c]::ir::ty::Type as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     28:     0x631693dfc220 - <bindgen[4bb7dc36f99ba01c]::ir::item::Item as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     29:     0x631693dd79a5 - <bindgen[4bb7dc36f99ba01c]::ir::module::Module as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen::{closure#0}
[INFO] [stderr]     30:     0x631693dfc40c - <bindgen[4bb7dc36f99ba01c]::ir::module::Module as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     31:     0x631693dfc205 - <bindgen[4bb7dc36f99ba01c]::ir::item::Item as bindgen[4bb7dc36f99ba01c]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     32:     0x631693dd6f21 - bindgen[4bb7dc36f99ba01c]::codegen::codegen::{closure#0}
[INFO] [stderr]     33:     0x631693e53948 - <bindgen[4bb7dc36f99ba01c]::ir::context::BindgenContext>::gen::<bindgen[4bb7dc36f99ba01c]::codegen::codegen::{closure#0}, alloc[49b8922c36ca62de]::vec::Vec<proc_macro2[a3807f62da73f013]::TokenStream>>
[INFO] [stderr]     34:     0x631693de14cf - bindgen[4bb7dc36f99ba01c]::codegen::codegen
[INFO] [stderr]     35:     0x631693e138d7 - <bindgen[4bb7dc36f99ba01c]::Bindings>::generate
[INFO] [stderr]     36:     0x631693e0fcaf - <bindgen[4bb7dc36f99ba01c]::Builder>::generate
[INFO] [stderr]     37:     0x631693d65ba9 - build_script_build[6e699ce3a3f06d40]::main
[INFO] [stderr]     38:     0x631693d671c3 - <fn() as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     39:     0x631693d657d6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     40:     0x631693d657e9 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     41:     0x63169415e0b4 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     42:     0x63169415e0b4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     43:     0x63169415e0b4 - std[31e582c13f4e914f]::panicking::catch_unwind::<i32, &dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     44:     0x63169415e0b4 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x63169415e0b4 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     46:     0x63169415e0b4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     47:     0x63169415e0b4 - std[31e582c13f4e914f]::panicking::catch_unwind::<isize, std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     48:     0x63169415e0b4 - std[31e582c13f4e914f]::panic::catch_unwind::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     49:     0x63169415e0b4 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     50:     0x631693d652f1 - std[31e582c13f4e914f]::rt::lang_start::<()>
[INFO] [stderr]     51:     0x631693d67425 - main
[INFO] [stderr]     52:     0x74b27698a1ca - <unknown>
[INFO] [stderr]     53:     0x74b27698a28b - __libc_start_main
[INFO] [stderr]     54:     0x631693d64155 - _start
[INFO] [stderr]     55:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "171ee7b59012335c179a4232076c7877817f2d5cd0211aadd5adec2f4c3fab0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171ee7b59012335c179a4232076c7877817f2d5cd0211aadd5adec2f4c3fab0c", kill_on_drop: false }`
[INFO] [stdout] 171ee7b59012335c179a4232076c7877817f2d5cd0211aadd5adec2f4c3fab0c