[INFO] crate no_vpn 0.1.1 is already in cache [INFO] extracting crate no_vpn 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/no_vpn/0.1.1 [INFO] extracting crate no_vpn 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/no_vpn/0.1.1 [INFO] validating manifest of no_vpn-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of no_vpn-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing no_vpn-0.1.1 [INFO] finished frobbing no_vpn-0.1.1 [INFO] frobbed toml for no_vpn-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/no_vpn/0.1.1/Cargo.toml [INFO] started frobbing no_vpn-0.1.1 [INFO] finished frobbing no_vpn-0.1.1 [INFO] frobbed toml for no_vpn-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/no_vpn/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing no_vpn-0.1.1 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/no_vpn/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 64da3451eca9d77b55bbee2461f9bc60838427f2ca8d62e07baa86b6c559104d [INFO] running `"docker" "start" "-a" "64da3451eca9d77b55bbee2461f9bc60838427f2ca8d62e07baa86b6c559104d"` [INFO] [stderr] Compiling base16 v0.1.2 [INFO] [stderr] Compiling no_vpn v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: type `z` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:33:6 [INFO] [stderr] | [INFO] [stderr] 33 | type z = String; [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `Z` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait `y` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:64:7 [INFO] [stderr] | [INFO] [stderr] 64 | trait y { [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `Y` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `"docker" "inspect" "64da3451eca9d77b55bbee2461f9bc60838427f2ca8d62e07baa86b6c559104d"` [INFO] running `"docker" "rm" "-f" "64da3451eca9d77b55bbee2461f9bc60838427f2ca8d62e07baa86b6c559104d"` [INFO] [stdout] 64da3451eca9d77b55bbee2461f9bc60838427f2ca8d62e07baa86b6c559104d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/no_vpn/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] c817573e241bb6051d15033d05864e2a12659c992f40441fe595bffd904d892e [INFO] running `"docker" "start" "-a" "c817573e241bb6051d15033d05864e2a12659c992f40441fe595bffd904d892e"` [INFO] [stderr] Compiling no_vpn v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: type `z` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:33:6 [INFO] [stderr] | [INFO] [stderr] 33 | type z = String; [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `Z` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait `y` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:64:7 [INFO] [stderr] | [INFO] [stderr] 64 | trait y { [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `Y` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.88s [INFO] running `"docker" "inspect" "c817573e241bb6051d15033d05864e2a12659c992f40441fe595bffd904d892e"` [INFO] running `"docker" "rm" "-f" "c817573e241bb6051d15033d05864e2a12659c992f40441fe595bffd904d892e"` [INFO] [stdout] c817573e241bb6051d15033d05864e2a12659c992f40441fe595bffd904d892e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/no_vpn/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 2dc8fbd47fc8c02cbef50d9c47bc11c78b846c497986c17751d30c55222f98aa [INFO] running `"docker" "start" "-a" "2dc8fbd47fc8c02cbef50d9c47bc11c78b846c497986c17751d30c55222f98aa"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/no_vpn-dd1a79b173b8d24f [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] thread '' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ac25f100db - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ac25f100db - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ac25f100db - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ac25f100db - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ac25f100db - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55ac25f0fdb7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55ac25f10850 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55ac25f103d2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55ac25f102b6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55ac25f28c4d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55ac25f28b8c - core::panicking::panic::hedd9888e25456fbe [INFO] [stderr] at src/libcore/panicking.rs:49 [INFO] [stderr] 11: 0x55ac2569d351 - core::option::Option::unwrap::h7b900ecbdcc63c67 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:12 [INFO] [stderr] 12: 0x55ac25699462 - no_vpn::tests::ip_test::{{closure}}::h9f6b17a60aacee54 [INFO] [stderr] at src/lib.rs:41 [INFO] [stderr] 13: 0x55ac25695471 - no_vpn::f::{{closure}}::ha4d948fe35a2948a [INFO] [stderr] at src/lib.rs:120 [INFO] [stderr] 14: 0x55ac256967e8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1674d5cc001570d1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 15: 0x55ac2569c545 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf38e4cbd0805f9fa [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 16: 0x55ac25699958 - as core::ops::function::FnOnce<()>>::call_once::ha8420e35de1d385a [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 17: 0x55ac2569da90 - std::panicking::try::do_call::had01b1f2551a1346 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 18: 0x55ac25f13cea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 19: 0x55ac2569d8e0 - std::panicking::try::h7dbcda9fce7ab6e2 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 20: 0x55ac25699a18 - std::panic::catch_unwind::h17b7153b415cd941 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55ac2569c342 - std::thread::Builder::spawn_unchecked::{{closure}}::h765e191fdd3a3570 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 22: 0x55ac25696813 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h44d5510a87c95971 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 23: 0x55ac25f0315f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 24: 0x55ac25f13090 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 25: 0x55ac25f13090 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 26: 0x55ac25f13090 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 27: 0x7f806bfd64a4 - start_thread [INFO] [stderr] 28: 0x7f806bb01d0f - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stdout] test tests::ip_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests no_vpn [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - check_vpn (line 96) ... ok [INFO] [stdout] test src/lib.rs - (line 15) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2dc8fbd47fc8c02cbef50d9c47bc11c78b846c497986c17751d30c55222f98aa"` [INFO] running `"docker" "rm" "-f" "2dc8fbd47fc8c02cbef50d9c47bc11c78b846c497986c17751d30c55222f98aa"` [INFO] [stdout] 2dc8fbd47fc8c02cbef50d9c47bc11c78b846c497986c17751d30c55222f98aa