[INFO] fetching crate librtraceroute 0.1.6...
[INFO] checking librtraceroute-0.1.6 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate librtraceroute 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate librtraceroute 0.1.6 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librtraceroute 0.1.6
[INFO] finished tweaking crates.io crate librtraceroute 0.1.6
[INFO] tweaked toml for crates.io crate librtraceroute 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.5.0 (latest: v2.5.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[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 rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[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 wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d14e9bef4faeb81bcea409ff4f26a88fa8e2d6e9693ec83eeb7ad213674893
[INFO] running `Command { std: "docker" "start" "-a" "38d14e9bef4faeb81bcea409ff4f26a88fa8e2d6e9693ec83eeb7ad213674893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d14e9bef4faeb81bcea409ff4f26a88fa8e2d6e9693ec83eeb7ad213674893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d14e9bef4faeb81bcea409ff4f26a88fa8e2d6e9693ec83eeb7ad213674893", kill_on_drop: false }`
[INFO] [stdout] 38d14e9bef4faeb81bcea409ff4f26a88fa8e2d6e9693ec83eeb7ad213674893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97dacf0548e20df6e8180d54cc2ea2ac2a64086c5fdc8766f67cc89a7f4f21c0
[INFO] running `Command { std: "docker" "start" "-a" "97dacf0548e20df6e8180d54cc2ea2ac2a64086c5fdc8766f67cc89a7f4f21c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[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-bbfb857e20c06049/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5568363e5335 - std::backtrace_rs::backtrace::libunwind::trace::h876d7c806a499a4c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x5568363e5335 - std::backtrace_rs::backtrace::trace_unsynchronized::h93aa6ac20204363f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5568363e5335 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5568363e5335 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb19a1068483db389
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5568364061eb - core::fmt::rt::Argument::fmt::he1186800a1f8dba1
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x5568364061eb - core::fmt::write::h93b97d526ac83ab7
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]      6:     0x5568363e2bdf - std::io::Write::write_fmt::h5b8b8a434bcca5dd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x5568363e510e - std::sys_common::backtrace::_print::h68eb04d9824256f0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5568363e510e - std::sys_common::backtrace::print::h9c98f0d9c4306586
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5568363e6479 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4
[INFO] [stderr]     10:     0x5568363e61bd - std::panicking::default_hook::h483615856e3a5cc0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x5568363e6983 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x5568363e682b - std::panicking::begin_panic_handler::{{closure}}::h686207a93492b797
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:656:13
[INFO] [stderr]     13:     0x5568363e57f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h2e37e6bf5aac538a
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x5568363e6597 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x556836404f40 - core::panicking::panic_nounwind_fmt::runtime::h21fad8d71097c257
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x556836404f40 - core::panicking::panic_nounwind_fmt::h2c1f7221d1fd135b
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:120:5
[INFO] [stderr]     17:     0x556836404fd2 - core::panicking::panic_nounwind::h35e8f7cf7cee336c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:219:5
[INFO] [stderr]     18:     0x5568362d7edb - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h95d621f3819a369e
[INFO] [stderr]     19:     0x5568362d7a14 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h9f0656e5d48df6cb
[INFO] [stderr]     20:     0x5568362e6335 - core::slice::<impl [T]>::get_unchecked::he38664f191a36d4e
[INFO] [stderr]     21:     0x5568361929a4 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::hab2499228bdc970f
[INFO] [stderr]     22:     0x55683622da1c - syntex_syntax::fold::noop_fold_mod::h17e523f55e8094b0
[INFO] [stderr]     23:     0x556836270cff - syntex_syntax::fold::Folder::fold_mod::h2005a95c370cdbc4
[INFO] [stderr]     24:     0x556836228e84 - syntex_syntax::fold::noop_fold_item_kind::hed67122332985e3d
[INFO] [stderr]     25:     0x5568362709ff - syntex_syntax::fold::Folder::fold_item_kind::h309d113a1915868d
[INFO] [stderr]     26:     0x55683622e9da - syntex_syntax::fold::noop_fold_item_simple::h2fba5a28d5eea78e
[INFO] [stderr]     27:     0x55683627096f - syntex_syntax::fold::Folder::fold_item_simple::hc7e30e205e149ef8
[INFO] [stderr]     28:     0x55683622e87f - syntex_syntax::fold::noop_fold_item::{{closure}}::he455f82da96b6d2b
[INFO] [stderr]     29:     0x5568362ef2b5 - syntex_syntax::ptr::P<T>::map::h95865171d88ec641
[INFO] [stderr]     30:     0x55683622e7db - syntex_syntax::fold::noop_fold_item::hbdadd7eb262dd278
[INFO] [stderr]     31:     0x5568362843a7 - syntex_syntax::ext::expand::expand_multi_modified::h7378d35c59fac789
[INFO] [stderr]     32:     0x556836278be8 - syntex_syntax::ext::decorator::expand_annotatable::h98c3c5d60659f901
[INFO] [stderr]     33:     0x5568362833bc - syntex_syntax::ext::expand::expand_item::ha25f75cb35cbe323
[INFO] [stderr]     34:     0x5568362868f2 - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_item::ha8d1dc5e4998bfa2
[INFO] [stderr]     35:     0x55683622df06 - syntex_syntax::fold::noop_fold_crate::h6b5824f6ec3921f8
[INFO] [stderr]     36:     0x5568362860fe - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_crate::h7db7cd3d3d81ca67
[INFO] [stderr]     37:     0x556836287762 - syntex_syntax::ext::expand::expand_crate_with_expander::hf58ef8f1682fd59b
[INFO] [stderr]     38:     0x5568362872c4 - syntex_syntax::ext::expand::expand_crate::h282c7bcc6e881ded
[INFO] [stderr]     39:     0x556836163c6b - syntex::Registry::expand_crate::h493b3a6d2423706b
[INFO] [stderr]     40:     0x556835f09e65 - syntex::Registry::expand::h530f5eee61ec5978
[INFO] [stderr]     41:     0x556835f0a731 - build_script_build::macros::expand::h3fe531ccd392edac
[INFO] [stderr]     42:     0x556835f0a916 - build_script_build::main::h717950304fff03dd
[INFO] [stderr]     43:     0x556835f092d3 - core::ops::function::FnOnce::call_once::hd8f5465409ee204a
[INFO] [stderr]     44:     0x556835f09016 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdea7c614b0cb7e53
[INFO] [stderr]     45:     0x556835f09129 - std::rt::lang_start::{{closure}}::hb1d1ca4d2e22db28
[INFO] [stderr]     46:     0x5568363deabd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h75d0a4fe40296b94
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     47:     0x5568363deabd - std::panicking::try::do_call::ha27ca65264b021a4
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     48:     0x5568363deabd - std::panicking::try::h901e100a17b3cd54
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     49:     0x5568363deabd - std::panic::catch_unwind::h13d256f1691dfb07
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     50:     0x5568363deabd - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48
[INFO] [stderr]     51:     0x5568363deabd - std::panicking::try::do_call::h3a8fb98242ec30e5
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     52:     0x5568363deabd - std::panicking::try::h881801cd3cb8ba77
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     53:     0x5568363deabd - std::panic::catch_unwind::he14d380083644433
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     54:     0x5568363deabd - std::rt::lang_start_internal::hf560e7575b65e65f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20
[INFO] [stderr]     55:     0x556835f09107 - std::rt::lang_start::hddb340af52fb49ca
[INFO] [stderr]     56:     0x556835f0a935 - main
[INFO] [stderr]     57:     0x7fe6c6012d90 - <unknown>
[INFO] [stderr]     58:     0x7fe6c6012e40 - __libc_start_main
[INFO] [stderr]     59:     0x556835f08f05 - _start
[INFO] [stderr]     60:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "97dacf0548e20df6e8180d54cc2ea2ac2a64086c5fdc8766f67cc89a7f4f21c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97dacf0548e20df6e8180d54cc2ea2ac2a64086c5fdc8766f67cc89a7f4f21c0", kill_on_drop: false }`
[INFO] [stdout] 97dacf0548e20df6e8180d54cc2ea2ac2a64086c5fdc8766f67cc89a7f4f21c0