[INFO] fetching crate mdns-client 0.1.0...
[INFO] checking mdns-client-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate mdns-client 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mdns-client 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdns-client 0.1.0
[INFO] finished tweaking crates.io crate mdns-client 0.1.0
[INFO] tweaked toml for crates.io crate mdns-client 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.5.0 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v1.0.1 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding dns-message-parser v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding glob v0.2.11 (latest: v0.3.1)
[INFO] [stderr]       Adding ipnetwork v0.17.0 (latest: v0.20.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding pnet v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_base v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_datalink v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros_support v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_packet v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_sys v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_transport v0.27.2 (latest: v0.34.0)
[INFO] [stderr]       Adding syntex v0.42.2 (latest: v0.58.1)
[INFO] [stderr]       Adding syntex_errors v0.42.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_pos v0.42.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_syntax v0.42.0 (latest: v0.59.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (latest: v0.2.4)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded pnet_packet v0.27.2
[INFO] [stderr]   Downloaded pnet_transport v0.27.2
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded pnet_sys v0.27.2
[INFO] [stderr]   Downloaded pnet v0.27.2
[INFO] [stderr]   Downloaded dns-message-parser v0.4.6
[INFO] [stderr]   Downloaded ipnetwork v0.17.0
[INFO] [stderr]   Downloaded pnet_macros v0.27.2
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded pnet_datalink v0.27.2
[INFO] [stderr]   Downloaded pnet_base v0.27.2
[INFO] [stderr]   Downloaded pnet_macros_support v0.27.2
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858890dcaef3e4b02d6bf02c2f742bb206ca88c63a95796fc7f643752415773f
[INFO] running `Command { std: "docker" "start" "-a" "858890dcaef3e4b02d6bf02c2f742bb206ca88c63a95796fc7f643752415773f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858890dcaef3e4b02d6bf02c2f742bb206ca88c63a95796fc7f643752415773f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858890dcaef3e4b02d6bf02c2f742bb206ca88c63a95796fc7f643752415773f", kill_on_drop: false }`
[INFO] [stdout] 858890dcaef3e4b02d6bf02c2f742bb206ca88c63a95796fc7f643752415773f
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82e3a7352e28bd50e183c2633e1d457f3aa5dd717da4aca18686231ce2dfb9c7
[INFO] running `Command { std: "docker" "start" "-a" "82e3a7352e28bd50e183c2633e1d457f3aa5dd717da4aca18686231ce2dfb9c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking dns-message-parser v0.4.6
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr] error: failed to run custom build command for `pnet_packet v0.27.2`
[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/pnet_packet-87116ab142e20898/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at library/core/src/panicking.rs:220:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556b250b26e5 - std::backtrace_rs::backtrace::libunwind::trace::hf6d84d188eed4942
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x556b250b26e5 - std::backtrace_rs::backtrace::trace_unsynchronized::hb841ab02b27b2a81
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556b250b26e5 - std::sys_common::backtrace::_print_fmt::h7d09263e980d2dc2
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x556b250b26e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8710a3386e66dc13
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x556b250d1a4b - core::fmt::rt::Argument::fmt::h56356193ea14b69e
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x556b250d1a4b - core::fmt::write::ha8a35e57fe29df69
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x556b250b03cf - std::io::Write::write_fmt::h070417d35cbd0295
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x556b250b24be - std::sys_common::backtrace::_print::h98c81ef11000e712
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x556b250b24be - std::sys_common::backtrace::print::hb4fda26b0eb411fc
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x556b250b3779 - std::panicking::default_hook::{{closure}}::h58b999a8a8b72663
[INFO] [stderr]     10:     0x556b250b34bd - std::panicking::default_hook::h9ee81ffa3eaff881
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x556b250b3c13 - std::panicking::rust_panic_with_hook::h7cf1f420e89ee254
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x556b250b3abb - std::panicking::begin_panic_handler::{{closure}}::h1e92862156407829
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:656:13
[INFO] [stderr]     13:     0x556b250b2ba9 - std::sys_common::backtrace::__rust_end_short_backtrace::hdb9396439049b139
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x556b250b3827 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x556b24bb0670 - core::panicking::panic_nounwind_fmt::runtime::ha13be5d66c23ec9f
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x556b24bb0670 - core::panicking::panic_nounwind_fmt::h69f3ef1679142200
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/panicking.rs:120:5
[INFO] [stderr]     17:     0x556b24bb0702 - core::panicking::panic_nounwind::hf4d33646b7c52f0b
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/panicking.rs:220:5
[INFO] [stderr]     18:     0x556b24fba16b - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::hb5109df842ab1271
[INFO] [stderr]     19:     0x556b24fba124 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hfc45d820aac82542
[INFO] [stderr]     20:     0x556b24fb5e55 - core::slice::<impl [T]>::get_unchecked::h289263db6190f99d
[INFO] [stderr]     21:     0x556b24e3a15e - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h00365a9b97119408
[INFO] [stderr]     22:     0x556b250173cc - syntex_syntax::fold::noop_fold_mod::hb674ebb9bd3c4b03
[INFO] [stderr]     23:     0x556b24fea2bf - syntex_syntax::fold::Folder::fold_mod::h5fd6921007367f4e
[INFO] [stderr]     24:     0x556b25010ff4 - syntex_syntax::fold::noop_fold_item_kind::h8a18c04f6e1b6408
[INFO] [stderr]     25:     0x556b24fe9edf - syntex_syntax::fold::Folder::fold_item_kind::h94fe92da435d2bf1
[INFO] [stderr]     26:     0x556b2501823a - syntex_syntax::fold::noop_fold_item_simple::h0a5e3997aa602e4d
[INFO] [stderr]     27:     0x556b24fe9def - syntex_syntax::fold::Folder::fold_item_simple::hb68d1ee31f217569
[INFO] [stderr]     28:     0x556b2501807f - syntex_syntax::fold::noop_fold_item::{{closure}}::h12e68a41dc382ad3
[INFO] [stderr]     29:     0x556b24fbf31c - syntex_syntax::ptr::P<T>::map::h2b82d6f399efe402
[INFO] [stderr]     30:     0x556b25017ff3 - syntex_syntax::fold::noop_fold_item::hd45b0e7a7c0635ef
[INFO] [stderr]     31:     0x556b24ff4a01 - syntex_syntax::ext::expand::expand_multi_modified::had64afbd4e39cb9f
[INFO] [stderr]     32:     0x556b24f2de08 - syntex_syntax::ext::decorator::expand_annotatable::hac8efbc317de2d0f
[INFO] [stderr]     33:     0x556b24ff3a0c - syntex_syntax::ext::expand::expand_item::h2b8877508e7a1adc
[INFO] [stderr]     34:     0x556b24ff6f72 - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h42dad7d7a5761cd4
[INFO] [stderr]     35:     0x556b25017766 - syntex_syntax::fold::noop_fold_crate::h6f3da7ac4cedeef1
[INFO] [stderr]     36:     0x556b24ff676e - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_crate::h45f7ac07b3cc6e5e
[INFO] [stderr]     37:     0x556b24ff7de2 - syntex_syntax::ext::expand::expand_crate_with_expander::hee7935c3d342bd14
[INFO] [stderr]     38:     0x556b24ff7944 - syntex_syntax::ext::expand::expand_crate::h81f8ff1f30769aa5
[INFO] [stderr]     39:     0x556b24e223cb - syntex::Registry::expand_crate::h6094827443da8711
[INFO] [stderr]     40:     0x556b24bb1f05 - syntex::Registry::expand::h605d807275ef53de
[INFO] [stderr]     41:     0x556b24bb27d1 - build_script_build::macros::expand::hfc613fb669a5e562
[INFO] [stderr]     42:     0x556b24bb29b6 - build_script_build::main::haf24f16aeba7afae
[INFO] [stderr]     43:     0x556b24bb1333 - core::ops::function::FnOnce::call_once::hd7289436032ad69a
[INFO] [stderr]     44:     0x556b24bb1076 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5a7841c90c946f29
[INFO] [stderr]     45:     0x556b24bb1189 - std::rt::lang_start::{{closure}}::h114ce9fe3e035a46
[INFO] [stderr]     46:     0x556b250ac3c6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hed2c947f9885a74b
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     47:     0x556b250ac3c6 - std::panicking::try::do_call::hb89329b1c9c22cc4
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     48:     0x556b250ac3c6 - std::panicking::try::h32506f612ff970ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     49:     0x556b250ac3c6 - std::panic::catch_unwind::hb921c12c6fd21966
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     50:     0x556b250ac3c6 - std::rt::lang_start_internal::{{closure}}::h525d7c9c8d9957db
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:48
[INFO] [stderr]     51:     0x556b250ac3c6 - std::panicking::try::do_call::hc05b1198989502ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     52:     0x556b250ac3c6 - std::panicking::try::h4ecd1dd6f6f1e3ba
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     53:     0x556b250ac3c6 - std::panic::catch_unwind::h92b0390d9e8eb6ea
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     54:     0x556b250ac3c6 - std::rt::lang_start_internal::he4964f7a9f7ed816
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:20
[INFO] [stderr]     55:     0x556b24bb1167 - std::rt::lang_start::hf804c51360decfa3
[INFO] [stderr]     56:     0x556b24bb29d5 - main
[INFO] [stderr]     57:     0x7f99d5788d90 - <unknown>
[INFO] [stderr]     58:     0x7f99d5788e40 - __libc_start_main
[INFO] [stderr]     59:     0x556b24bb0f65 - _start
[INFO] [stderr]     60:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "82e3a7352e28bd50e183c2633e1d457f3aa5dd717da4aca18686231ce2dfb9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e3a7352e28bd50e183c2633e1d457f3aa5dd717da4aca18686231ce2dfb9c7", kill_on_drop: false }`
[INFO] [stdout] 82e3a7352e28bd50e183c2633e1d457f3aa5dd717da4aca18686231ce2dfb9c7
