[INFO] cloning repository https://github.com/ruckc/mctk [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruckc/mctk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmctk"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmctk'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c064250a4cdba7b3dd331cec62c87b85e860cbb2 [INFO] testing ruckc/mctk against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmctk" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruckc/mctk on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ruckc/mctk [INFO] finished tweaking git repo https://github.com/ruckc/mctk [INFO] tweaked toml for git repo https://github.com/ruckc/mctk written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/ruckc/mctk already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] afa0d527dabdb2974ee5aab5703ecf1f5194e7ea344317a085be564f7802c737 [INFO] running `"docker" "start" "-a" "afa0d527dabdb2974ee5aab5703ecf1f5194e7ea344317a085be564f7802c737"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling term_size v0.3.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling my-pretty-failure v0.1.2 [INFO] [stderr] Compiling mctk v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.49s [INFO] running `"docker" "inspect" "afa0d527dabdb2974ee5aab5703ecf1f5194e7ea344317a085be564f7802c737"` [INFO] running `"docker" "rm" "-f" "afa0d527dabdb2974ee5aab5703ecf1f5194e7ea344317a085be564f7802c737"` [INFO] [stdout] afa0d527dabdb2974ee5aab5703ecf1f5194e7ea344317a085be564f7802c737 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fae806b8f1505d9c3507ada5529ba60361d1a40b5d4c1cccf13a57edce868b0c [INFO] running `"docker" "start" "-a" "fae806b8f1505d9c3507ada5529ba60361d1a40b5d4c1cccf13a57edce868b0c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mctk v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.68s [INFO] running `"docker" "inspect" "fae806b8f1505d9c3507ada5529ba60361d1a40b5d4c1cccf13a57edce868b0c"` [INFO] running `"docker" "rm" "-f" "fae806b8f1505d9c3507ada5529ba60361d1a40b5d4c1cccf13a57edce868b0c"` [INFO] [stdout] fae806b8f1505d9c3507ada5529ba60361d1a40b5d4c1cccf13a57edce868b0c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a63b34f281026dc55c2d4dee9e7d5f9553e9d387d6b1a81a251bc859e5687bd3 [INFO] running `"docker" "start" "-a" "a63b34f281026dc55c2d4dee9e7d5f9553e9d387d6b1a81a251bc859e5687bd3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mctk-61b16ee233508364 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mctk-bb8ac3e98fc29fb1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/multicast-be3899bf0b4d83cc [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_generate_message ... ok [INFO] [stdout] test test_multicast ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_multicast stdout ---- [INFO] [stdout] thread 'test_multicast' panicked at 'unable to create multicast listener: Os { code: 19, kind: Other, message: "No such device" }', tests/multicast.rs:13:20 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a0c4079585 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55a0c4079585 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a0c4079585 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55a0c4079585 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55a0c40a16ac - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55a0c40260b5 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55a0c4072b81 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55a0c407bdb0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55a0c407bdb0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55a0c407bdb0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55a0c407baaa - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55a0c407c3e7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x55a0c407bfeb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x55a0c40a0041 - core::panicking::panic_fmt::habd7df443069602c [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 14: 0x55a0c409fe63 - core::option::expect_none_failed::h721078758a086285 [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 15: 0x55a0c4024b59 - core::result::Result::expect::hd567d29d29948df5 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55a0c40233ad - multicast::test_multicast::h5f33cfdbe2137791 [INFO] [stdout] at tests/multicast.rs:13 [INFO] [stdout] 17: 0x55a0c402325a - multicast::test_multicast::{{closure}}::haf739b3d60b5777c [INFO] [stdout] at tests/multicast.rs:6 [INFO] [stdout] 18: 0x55a0c40240de - core::ops::function::FnOnce::call_once::h34840fbb8ecc974c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 19: 0x55a0c404d4a2 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 20: 0x55a0c404d4a2 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x55a0c404d4a2 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 22: 0x55a0c404d4a2 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 23: 0x55a0c404d4a2 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x55a0c404d4a2 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x55a0c404d4a2 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x55a0c4025576 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x55a0c402ab15 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x55a0c402ab15 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x55a0c402ab15 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 30: 0x55a0c402ab15 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 31: 0x55a0c402ab15 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x55a0c402ab15 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x55a0c402ab15 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 34: 0x55a0c40829fa - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 35: 0x55a0c40829fa - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 36: 0x55a0c40829fa - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7f35521fa609 - start_thread [INFO] [stdout] 38: 0x7f3552106103 - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_multicast [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test multicast' [INFO] running `"docker" "inspect" "a63b34f281026dc55c2d4dee9e7d5f9553e9d387d6b1a81a251bc859e5687bd3"` [INFO] running `"docker" "rm" "-f" "a63b34f281026dc55c2d4dee9e7d5f9553e9d387d6b1a81a251bc859e5687bd3"` [INFO] [stdout] a63b34f281026dc55c2d4dee9e7d5f9553e9d387d6b1a81a251bc859e5687bd3