[INFO] crate world_id 0.1.0 is already in cache
[INFO] extracting crate world_id 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/world_id/0.1.0
[INFO] extracting crate world_id 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/world_id/0.1.0
[INFO] validating manifest of world_id-0.1.0 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 world_id-0.1.0 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 world_id-0.1.0
[INFO] finished frobbing world_id-0.1.0
[INFO] frobbed toml for world_id-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/world_id/0.1.0/Cargo.toml
[INFO] started frobbing world_id-0.1.0
[INFO] finished frobbing world_id-0.1.0
[INFO] frobbed toml for world_id-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/world_id/0.1.0/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 world_id-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/world_id/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2d2463e9e1d543646d7aac4a3ed063ce9ee7d949bd592e0ff590f9744abc874e
[INFO] running `"docker" "start" "-a" "2d2463e9e1d543646d7aac4a3ed063ce9ee7d949bd592e0ff590f9744abc874e"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling pem v0.5.1
[INFO] [stderr]    Compiling hyper-multipart-rfc7578 v0.1.0-alpha3
[INFO] [stderr]    Compiling ipfs-api v0.4.0-alpha.3
[INFO] [stderr]    Compiling world_id v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.59s
[INFO] running `"docker" "inspect" "2d2463e9e1d543646d7aac4a3ed063ce9ee7d949bd592e0ff590f9744abc874e"`
[INFO] running `"docker" "rm" "-f" "2d2463e9e1d543646d7aac4a3ed063ce9ee7d949bd592e0ff590f9744abc874e"`
[INFO] [stdout] 2d2463e9e1d543646d7aac4a3ed063ce9ee7d949bd592e0ff590f9744abc874e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/world_id/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19e3e675eae781f732a6a83bfb3ff4eb5ac5968b866f71920fd125f5735c7d93
[INFO] running `"docker" "start" "-a" "19e3e675eae781f732a6a83bfb3ff4eb5ac5968b866f71920fd125f5735c7d93"`
[INFO] [stderr]    Compiling world_id v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `"docker" "inspect" "19e3e675eae781f732a6a83bfb3ff4eb5ac5968b866f71920fd125f5735c7d93"`
[INFO] running `"docker" "rm" "-f" "19e3e675eae781f732a6a83bfb3ff4eb5ac5968b866f71920fd125f5735c7d93"`
[INFO] [stdout] 19e3e675eae781f732a6a83bfb3ff4eb5ac5968b866f71920fd125f5735c7d93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/world_id/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4f0da5599b3768995141179029617d985eea87ccfcc7ec31a2218169ad5bc926
[INFO] running `"docker" "start" "-a" "4f0da5599b3768995141179029617d985eea87ccfcc7ec31a2218169ad5bc926"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/world_id-e6468d4afcacc5ca
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::serialize_roundtrip ... ok
[INFO] [stdout] test tests::test_print ... ok
[INFO] [stdout] test tests::test_keypair_roundtrip ... ok
[INFO] [stdout] test tests::test_id_signature ... FAILED
[INFO] [stdout] test tests::test_id_roundtrip ... FAILED
[INFO] [stdout] test tests::test_id_verify_chain ... FAILED
[INFO] [stdout] test tests::test_id_verify_children ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_id_signature stdout ----
[INFO] [stdout] thread 'tests::test_id_signature' panicked at 'called `Result::unwrap()` on an `Err` value: CouldNotAddKey
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x562e2be481d3)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x562e2be47f7e)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h524fe4d37316a99d (0x562e2b8dad0c)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::he3efbc8bec9197a8 (0x562e2b8acd9b)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: world_id::Server::add::h6b3ec6222a5c4ed5 (0x562e2b8999ca)
[INFO] [stdout]              at src/lib.rs:277
[INFO] [stdout]    5: world_id::tests::test_id_signature::h6341cf324d5048a8 (0x562e2b8b9b34)
[INFO] [stdout]              at src/lib.rs:392
[INFO] [stdout]    6: world_id::tests::test_id_signature::{{closure}}::h17ab215a909a7001 (0x562e2b8b999a)
[INFO] [stdout]              at src/lib.rs:382
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once::h6833bdf49d359597 (0x562e2b8c5bfe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x562e2b8ef1af)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   10: std::panicking::try::h24368a6d38b1d93c (0x562e2b909aa8)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   11: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x562e2b8e44c5)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x562e2b8e8575)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14: std::panicking::try::h9073c4fbc6488ec1 (0x562e2b8e8b82)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x562e2beb5a2f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x562e2bec6610)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   17: start_thread (0x7f3d353c54a4)
[INFO] [stdout]   18: __clone (0x7f3d34ef0d0f)
[INFO] [stdout]   19: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562e2bec4bd3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x562e2bebfcab - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x562e2bec30c6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x562e2bec2dee - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x562e2bec37cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x562e2bec3351 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x562e2bec3235 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x562e2bed9c6c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x562e2b8ce5e4 - core::result::unwrap_failed::h9c20e62814309318
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x562e2b8d27fd - core::result::Result<T,E>::unwrap::ha88cbbff6552690b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x562e2b8b9b4a - world_id::tests::test_id_signature::h6341cf324d5048a8
[INFO] [stdout]                                at src/lib.rs:392
[INFO] [stdout]   11:     0x562e2b8b9999 - world_id::tests::test_id_signature::{{closure}}::h17ab215a909a7001
[INFO] [stdout]                                at src/lib.rs:382
[INFO] [stdout]   12:     0x562e2b8c5bfd - core::ops::function::FnOnce::call_once::h6833bdf49d359597
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x562e2b8ef1ae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   14:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x562e2b909aa7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   16:     0x562e2b8e44c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   17:     0x562e2b8e8574 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   18:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   19:     0x562e2b8e8b81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20:     0x562e2beb5a2e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21:     0x562e2bec660f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   22:     0x7f3d353c54a3 - start_thread
[INFO] [stdout]   23:     0x7f3d34ef0d0e - __clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_id_roundtrip stdout ----
[INFO] [stdout] ID is {
[INFO] [stdout]   "id": "foo!",
[INFO] [stdout]   "public_key": [
[INFO] [stdout]     129,
[INFO] [stdout]     184,
[INFO] [stdout]     45,
[INFO] [stdout]     5,
[INFO] [stdout]     193,
[INFO] [stdout]     180,
[INFO] [stdout]     118,
[INFO] [stdout]     174,
[INFO] [stdout]     215,
[INFO] [stdout]     242,
[INFO] [stdout]     120,
[INFO] [stdout]     61,
[INFO] [stdout]     27,
[INFO] [stdout]     135,
[INFO] [stdout]     48,
[INFO] [stdout]     173,
[INFO] [stdout]     89,
[INFO] [stdout]     123,
[INFO] [stdout]     157,
[INFO] [stdout]     186,
[INFO] [stdout]     205,
[INFO] [stdout]     84,
[INFO] [stdout]     207,
[INFO] [stdout]     175,
[INFO] [stdout]     182,
[INFO] [stdout]     19,
[INFO] [stdout]     88,
[INFO] [stdout]     19,
[INFO] [stdout]     233,
[INFO] [stdout]     248,
[INFO] [stdout]     104,
[INFO] [stdout]     217
[INFO] [stdout]   ],
[INFO] [stdout]   "creation_date": "2019-08-02T10:51:59.061515212Z",
[INFO] [stdout]   "expiry_date": null,
[INFO] [stdout]   "prev_id": null
[INFO] [stdout] }
[INFO] [stdout] thread 'tests::test_id_roundtrip' panicked at 'called `Result::unwrap()` on an `Err` value: CouldNotAddKey
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x562e2be481d3)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x562e2be47f7e)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h524fe4d37316a99d (0x562e2b8dad0c)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::he3efbc8bec9197a8 (0x562e2b8acd9b)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: world_id::Server::add::h6b3ec6222a5c4ed5 (0x562e2b8999ca)
[INFO] [stdout]              at src/lib.rs:277
[INFO] [stdout]    5: world_id::tests::test_id_roundtrip::hd77829e6ef62f68d (0x562e2b8b9604)
[INFO] [stdout]              at src/lib.rs:374
[INFO] [stdout]    6: world_id::tests::test_id_roundtrip::{{closure}}::h4358640abc918372 (0x562e2b8b946a)
[INFO] [stdout]              at src/lib.rs:367
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once::h241c76b9b613c1c0 (0x562e2b8c5aee)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x562e2b8ef1af)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   10: std::panicking::try::h24368a6d38b1d93c (0x562e2b909aa8)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   11: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x562e2b8e44c5)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x562e2b8e8575)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14: std::panicking::try::h9073c4fbc6488ec1 (0x562e2b8e8b82)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x562e2beb5a2f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x562e2bec6610)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   17: start_thread (0x7f3d353c54a4)
[INFO] [stdout]   18: __clone (0x7f3d34ef0d0f)
[INFO] [stdout]   19: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562e2bec4bd3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x562e2bebfcab - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x562e2bec30c6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x562e2bec2dee - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x562e2bec37cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x562e2bec3351 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x562e2bec3235 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x562e2bed9c6c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x562e2b8ce5e4 - core::result::unwrap_failed::h9c20e62814309318
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x562e2b8d27fd - core::result::Result<T,E>::unwrap::ha88cbbff6552690b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x562e2b8b961a - world_id::tests::test_id_roundtrip::hd77829e6ef62f68d
[INFO] [stdout]                                at src/lib.rs:374
[INFO] [stdout]   11:     0x562e2b8b9469 - world_id::tests::test_id_roundtrip::{{closure}}::h4358640abc918372
[INFO] [stdout]                                at src/lib.rs:367
[INFO] [stdout]   12:     0x562e2b8c5aed - core::ops::function::FnOnce::call_once::h241c76b9b613c1c0
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x562e2b8ef1ae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   14:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x562e2b909aa7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   16:     0x562e2b8e44c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   17:     0x562e2b8e8574 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   18:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   19:     0x562e2b8e8b81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20:     0x562e2beb5a2e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21:     0x562e2bec660f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   22:     0x7f3d353c54a3 - start_thread
[INFO] [stdout]   23:     0x7f3d34ef0d0e - __clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_id_verify_chain stdout ----
[INFO] [stdout] thread 'tests::test_id_verify_chain' panicked at 'called `Result::unwrap()` on an `Err` value: CouldNotAddKey
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x562e2be481d3)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x562e2be47f7e)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h524fe4d37316a99d (0x562e2b8dad0c)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::he3efbc8bec9197a8 (0x562e2b8acd9b)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: world_id::Server::add::h6b3ec6222a5c4ed5 (0x562e2b8999ca)
[INFO] [stdout]              at src/lib.rs:277
[INFO] [stdout]    5: world_id::tests::test_id_verify_chain::h9565be79075c4ad0 (0x562e2b8ba57b)
[INFO] [stdout]              at src/lib.rs:441
[INFO] [stdout]    6: world_id::tests::test_id_verify_chain::{{closure}}::h05140f74f54cc594 (0x562e2b8ba48a)
[INFO] [stdout]              at src/lib.rs:435
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once::h0b061c36be71f4c5 (0x562e2b8c5aae)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x562e2b8ef1af)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   10: std::panicking::try::h24368a6d38b1d93c (0x562e2b909aa8)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   11: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x562e2b8e44c5)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x562e2b8e8575)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14: std::panicking::try::h9073c4fbc6488ec1 (0x562e2b8e8b82)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x562e2beb5a2f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x562e2bec6610)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   17: start_thread (0x7f3d353c54a4)
[INFO] [stdout]   18: __clone (0x7f3d34ef0d0f)
[INFO] [stdout]   19: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562e2bec4bd3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x562e2bebfcab - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x562e2bec30c6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x562e2bec2dee - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x562e2bec37cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x562e2bec3351 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x562e2bec3235 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x562e2bed9c6c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x562e2b8ce5e4 - core::result::unwrap_failed::h9c20e62814309318
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x562e2b8d27fd - core::result::Result<T,E>::unwrap::ha88cbbff6552690b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x562e2b8ba591 - world_id::tests::test_id_verify_chain::h9565be79075c4ad0
[INFO] [stdout]                                at src/lib.rs:441
[INFO] [stdout]   11:     0x562e2b8ba489 - world_id::tests::test_id_verify_chain::{{closure}}::h05140f74f54cc594
[INFO] [stdout]                                at src/lib.rs:435
[INFO] [stdout]   12:     0x562e2b8c5aad - core::ops::function::FnOnce::call_once::h0b061c36be71f4c5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x562e2b8ef1ae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   14:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x562e2b909aa7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   16:     0x562e2b8e44c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   17:     0x562e2b8e8574 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   18:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   19:     0x562e2b8e8b81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20:     0x562e2beb5a2e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21:     0x562e2bec660f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   22:     0x7f3d353c54a3 - start_thread
[INFO] [stdout]   23:     0x7f3d34ef0d0e - __clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_id_verify_children stdout ----
[INFO] [stdout] thread 'tests::test_id_verify_children' panicked at 'called `Result::unwrap()` on an `Err` value: CouldNotAddKey
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x562e2be481d3)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x562e2be47f7e)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h524fe4d37316a99d (0x562e2b8dad0c)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::he3efbc8bec9197a8 (0x562e2b8acd9b)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: world_id::Server::add::h6b3ec6222a5c4ed5 (0x562e2b8999ca)
[INFO] [stdout]              at src/lib.rs:277
[INFO] [stdout]    5: world_id::tests::test_id_verify_children::h4cf030453a13bd63 (0x562e2b8b9f6b)
[INFO] [stdout]              at src/lib.rs:408
[INFO] [stdout]    6: world_id::tests::test_id_verify_children::{{closure}}::hfb2835f3c2555230 (0x562e2b8b9e7a)
[INFO] [stdout]              at src/lib.rs:402
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once::h96a6d568ead9835b (0x562e2b8c5d9e)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x562e2b8ef1af)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   10: std::panicking::try::h24368a6d38b1d93c (0x562e2b909aa8)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   11: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x562e2b8e44c5)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x562e2b8e8575)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   13: __rust_maybe_catch_panic (0x562e2bec724a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14: std::panicking::try::h9073c4fbc6488ec1 (0x562e2b8e8b82)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x562e2beb5a2f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x562e2bec6610)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   17: start_thread (0x7f3d353c54a4)
[INFO] [stdout]   18: __clone (0x7f3d34ef0d0f)
[INFO] [stdout]   19: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562e2bec4bd3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x562e2bebfcab - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x562e2bec30c6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x562e2bec2dee - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x562e2bec37cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x562e2bec3351 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x562e2bec3235 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x562e2bed9c6c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x562e2b8ce5e4 - core::result::unwrap_failed::h9c20e62814309318
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x562e2b8d27fd - core::result::Result<T,E>::unwrap::ha88cbbff6552690b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x562e2b8b9f81 - world_id::tests::test_id_verify_children::h4cf030453a13bd63
[INFO] [stdout]                                at src/lib.rs:408
[INFO] [stdout]   11:     0x562e2b8b9e79 - world_id::tests::test_id_verify_children::{{closure}}::hfb2835f3c2555230
[INFO] [stdout]                                at src/lib.rs:402
[INFO] [stdout]   12:     0x562e2b8c5d9d - core::ops::function::FnOnce::call_once::h96a6d568ead9835b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x562e2b8ef1ae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   14:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x562e2b909aa7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   16:     0x562e2b8e44c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   17:     0x562e2b8e8574 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   18:     0x562e2bec7249 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   19:     0x562e2b8e8b81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20:     0x562e2beb5a2e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21:     0x562e2bec660f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   22:     0x7f3d353c54a3 - start_thread
[INFO] [stdout]   23:     0x7f3d34ef0d0e - __clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_id_roundtrip
[INFO] [stdout]     tests::test_id_signature
[INFO] [stdout]     tests::test_id_verify_chain
[INFO] [stdout]     tests::test_id_verify_children
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "4f0da5599b3768995141179029617d985eea87ccfcc7ec31a2218169ad5bc926"`
[INFO] running `"docker" "rm" "-f" "4f0da5599b3768995141179029617d985eea87ccfcc7ec31a2218169ad5bc926"`
[INFO] [stdout] 4f0da5599b3768995141179029617d985eea87ccfcc7ec31a2218169ad5bc926