Dec 14 14:22:57.540 INFO testing wake-on-lan-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 14:22:57.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 14:22:57.925 INFO [stdout] 20714828519db4a3e8e53fa1a0b0c2a59e06fc9c839c419819268235a6ec4e14
Dec 14 14:22:57.928 INFO running `"docker" "start" "-a" "20714828519db4a3e8e53fa1a0b0c2a59e06fc9c839c419819268235a6ec4e14"`
Dec 14 14:22:58.897 INFO [stderr] usermod: no changes
Dec 14 14:22:58.979 INFO [stderr]    Compiling wake-on-lan v0.2.0 (/source)
Dec 14 14:22:59.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 14 14:22:59.526 INFO [stderr] su: No module specific data is present
Dec 14 14:22:59.808 INFO running `"docker" "inspect" "20714828519db4a3e8e53fa1a0b0c2a59e06fc9c839c419819268235a6ec4e14"`
Dec 14 14:22:59.913 INFO running `"docker" "rm" "-f" "20714828519db4a3e8e53fa1a0b0c2a59e06fc9c839c419819268235a6ec4e14"`
Dec 14 14:23:00.026 INFO [stdout] 20714828519db4a3e8e53fa1a0b0c2a59e06fc9c839c419819268235a6ec4e14
Dec 14 14:23:00.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 14:23:00.203 INFO [stdout] b2ac800e61e458d0d3f966ea649c8c00158eaa764bdeb5b5ba8dd855641e5811
Dec 14 14:23:00.208 INFO running `"docker" "start" "-a" "b2ac800e61e458d0d3f966ea649c8c00158eaa764bdeb5b5ba8dd855641e5811"`
Dec 14 14:23:00.691 INFO [stderr] usermod: no changes
Dec 14 14:23:00.715 INFO [stderr]    Compiling wake-on-lan v0.2.0 (/source)
Dec 14 14:23:01.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 14 14:23:01.424 INFO [stderr] su: No module specific data is present
Dec 14 14:23:01.659 INFO running `"docker" "inspect" "b2ac800e61e458d0d3f966ea649c8c00158eaa764bdeb5b5ba8dd855641e5811"`
Dec 14 14:23:01.782 INFO running `"docker" "rm" "-f" "b2ac800e61e458d0d3f966ea649c8c00158eaa764bdeb5b5ba8dd855641e5811"`
Dec 14 14:23:01.899 INFO [stdout] b2ac800e61e458d0d3f966ea649c8c00158eaa764bdeb5b5ba8dd855641e5811
Dec 14 14:23:01.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 14:23:02.323 INFO [stdout] d9145d98bccc04b050c525b1845a0fc32d8475e0dcb6a9f676688bea18140e23
Dec 14 14:23:02.325 INFO running `"docker" "start" "-a" "d9145d98bccc04b050c525b1845a0fc32d8475e0dcb6a9f676688bea18140e23"`
Dec 14 14:23:03.640 INFO [stderr] usermod: no changes
Dec 14 14:23:03.690 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 14:23:03.692 INFO [stderr]      Running /target/debug/deps/wake_on_lan-88e4a31af07c10d0
Dec 14 14:23:03.694 INFO [stdout] 
Dec 14 14:23:03.694 INFO [stdout] running 0 tests
Dec 14 14:23:03.694 INFO [stdout] 
Dec 14 14:23:03.694 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 14:23:03.694 INFO [stdout] 
Dec 14 14:23:03.694 INFO [stderr]    Doc-tests wake-on-lan
Dec 14 14:23:04.430 INFO [stdout] 
Dec 14 14:23:04.430 INFO [stdout] running 1 test
Dec 14 14:23:05.411 INFO [stdout] test src/lib.rs -  (line 5) ... FAILED
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] failures:
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] ---- src/lib.rs -  (line 5) stdout ----
Dec 14 14:23:05.411 INFO [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
Dec 14 14:23:05.411 INFO [stdout]   --> src/lib.rs:15:1
Dec 14 14:23:05.411 INFO [stdout]    |
Dec 14 14:23:05.411 INFO [stdout] 13 | magic_packet.send()?;
Dec 14 14:23:05.411 INFO [stdout]    | ^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
Dec 14 14:23:05.411 INFO [stdout]    |
Dec 14 14:23:05.411 INFO [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
Dec 14 14:23:05.411 INFO [stdout]    = note: required by `std::ops::Try::from_error`
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] thread 'src/lib.rs -  (line 5)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:326:13
Dec 14 14:23:05.411 INFO [stdout] stack backtrace:
Dec 14 14:23:05.411 INFO [stdout]    0:     0x7f2239a6ff63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 14:23:05.411 INFO [stdout]    1:     0x7f2239a66fc8 - std::sys_common::backtrace::_print::he11ceebc70626ac9
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 14:23:05.411 INFO [stdout]    2:     0x7f2239a6c242 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/panicking.rs:210
Dec 14 14:23:05.411 INFO [stdout]    3:     0x7f2239a6bf37 - std::panicking::default_hook::hf0c15a583008ed0d
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/panicking.rs:218
Dec 14 14:23:05.411 INFO [stdout]    4:     0x7f223bc77121 - rustc::util::common::panic_hook::h9ea0dae535cf4332
Dec 14 14:23:05.411 INFO [stdout]    5:     0x7f2239a6ca29 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/panicking.rs:491
Dec 14 14:23:05.411 INFO [stdout]    6:     0x55d4f0318464 - std::panicking::begin_panic::h27ff8b2ead861036
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:421
Dec 14 14:23:05.411 INFO [stdout]    7:     0x55d4f048d3f9 - rustdoc::test::run_test::h2c651d061c730af3
Dec 14 14:23:05.411 INFO [stdout]                                at src/librustdoc/test.rs:326
Dec 14 14:23:05.411 INFO [stdout]    8:     0x55d4f0390970 - <scoped_tls::ScopedKey<T>>::set::hb2279029c711f1aa
Dec 14 14:23:05.411 INFO [stdout]                                at src/librustdoc/test.rs:653
Dec 14 14:23:05.411 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libsyntax/lib.rs:123
Dec 14 14:23:05.411 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 14 14:23:05.411 INFO [stdout]    9:     0x55d4f03831cf - syntax::with_globals::hdce0de15652917e2
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libsyntax/lib.rs:122
Dec 14 14:23:05.411 INFO [stdout]   10:     0x55d4f03186c4 - std::panicking::try::do_call::h894d00d7135d3e7e
Dec 14 14:23:05.411 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306
Dec 14 14:23:05.411 INFO [stdout]   11:     0x7f2239a89669 - __rust_maybe_catch_panic
Dec 14 14:23:05.411 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 14:23:05.411 INFO [stdout]   12:     0x55d4f036da19 - rustc_driver::in_named_rustc_thread::hf3fa0f90a98912b5
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/librustc_driver/lib.rs:1556
Dec 14 14:23:05.411 INFO [stdout]   13:     0x55d4f04645a0 - <F as alloc::boxed::FnBox<A>>::call_box::h7655e33ec4e73ffe
Dec 14 14:23:05.411 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 14:23:05.411 INFO [stdout]   14:     0x7f223b0d5e12 - <F as alloc::boxed::FnBox<A>>::call_box::h44030fd31218bed2
Dec 14 14:23:05.411 INFO [stdout]                                at src/libtest/lib.rs:1476
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 14:23:05.411 INFO [stdout]   15:     0x7f2239a89669 - __rust_maybe_catch_panic
Dec 14 14:23:05.411 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 14:23:05.411 INFO [stdout]   16:     0x7f223b0f4407 - test::run_test::run_test_inner::{{closure}}::hfbfe4a58c0ebb01b
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 14:23:05.411 INFO [stdout]                                at src/libtest/lib.rs:1438
Dec 14 14:23:05.411 INFO [stdout]   17:     0x7f223b0ce314 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd1f0cf202092f8d7
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/sys_common/backtrace.rs:136
Dec 14 14:23:05.411 INFO [stdout]   18:     0x7f223b0ce904 - std::panicking::try::do_call::h5e99f92fbf448cf6
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:479
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306
Dec 14 14:23:05.411 INFO [stdout]   19:     0x7f2239a89669 - __rust_maybe_catch_panic
Dec 14 14:23:05.411 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 14:23:05.411 INFO [stdout]   20:     0x7f223b0d5fcc - <F as alloc::boxed::FnBox<A>>::call_box::h8ae063aff93ccdb6
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:478
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 14:23:05.411 INFO [stdout]   21:     0x7f2239a7cb0d - std::sys::unix::thread::Thread::new::thread_start::h42c32b292fdd228f
Dec 14 14:23:05.411 INFO [stdout]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:683
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/sys_common/thread.rs:24
Dec 14 14:23:05.411 INFO [stdout]                                at src/libstd/sys/unix/thread.rs:91
Dec 14 14:23:05.411 INFO [stdout]   22:     0x7f22397f06b9 - start_thread
Dec 14 14:23:05.411 INFO [stdout]   23:     0x7f223910841c - clone
Dec 14 14:23:05.411 INFO [stdout]   24:                0x0 - <unknown>
Dec 14 14:23:05.411 INFO [stdout] query stack during panic:
Dec 14 14:23:05.411 INFO [stdout] end of query stack
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] failures:
Dec 14 14:23:05.411 INFO [stdout]     src/lib.rs -  (line 5)
Dec 14 14:23:05.411 INFO [stdout] 
Dec 14 14:23:05.411 INFO [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 14:23:05.412 INFO [stdout] 
Dec 14 14:23:05.414 INFO [stderr] error: test failed, to rerun pass '--doc'
Dec 14 14:23:05.415 INFO [stderr] su: No module specific data is present
Dec 14 14:23:05.936 INFO running `"docker" "inspect" "d9145d98bccc04b050c525b1845a0fc32d8475e0dcb6a9f676688bea18140e23"`
Dec 14 14:23:06.160 INFO running `"docker" "rm" "-f" "d9145d98bccc04b050c525b1845a0fc32d8475e0dcb6a9f676688bea18140e23"`
Dec 14 14:23:06.386 INFO [stdout] d9145d98bccc04b050c525b1845a0fc32d8475e0dcb6a9f676688bea18140e23