Dec 15 08:20:33.512 INFO testing hypercore-0.8.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 08:20:33.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 08:20:34.067 INFO [stdout] 4ccd82a2b48e0a238ac7201d93fc7f1ace2b90af99e38bc5181ecb1228d090a6
Dec 15 08:20:34.075 INFO running `"docker" "start" "-a" "4ccd82a2b48e0a238ac7201d93fc7f1ace2b90af99e38bc5181ecb1228d090a6"`
Dec 15 08:20:35.332 INFO [stderr] usermod: no changes
Dec 15 08:20:35.646 INFO [stderr]    Compiling byteorder v1.2.7
Dec 15 08:20:35.646 INFO [stderr]    Compiling mkdirp v0.1.0
Dec 15 08:20:35.652 INFO [stderr]    Compiling flat-tree v3.7.0
Dec 15 08:20:35.680 INFO [stderr]    Compiling memory-pager v0.8.0
Dec 15 08:20:35.680 INFO [stderr]    Compiling random-access-storage v0.6.0
Dec 15 08:20:35.681 INFO [stderr]    Compiling pretty-hash v0.4.0
Dec 15 08:20:38.403 INFO [stderr]    Compiling merkle-tree-stream v0.7.0
Dec 15 08:20:38.591 INFO [stderr]    Compiling random-access-disk v0.6.0
Dec 15 08:20:38.591 INFO [stderr]    Compiling random-access-memory v0.5.0
Dec 15 08:20:41.071 INFO [stderr]    Compiling sparse-bitfield v0.8.1
Dec 15 08:20:41.583 INFO [stderr]    Compiling curve25519-dalek v0.20.0
Dec 15 08:20:41.585 INFO [stderr]    Compiling sleep-parser v0.7.0
Dec 15 08:20:45.248 INFO [stderr]    Compiling tree-index v0.5.0
Dec 15 08:20:50.427 INFO [stderr]    Compiling ed25519-dalek v0.8.1
Dec 15 08:20:52.633 INFO [stderr]    Compiling hypercore v0.8.1 (/source)
Dec 15 08:20:56.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.35s
Dec 15 08:20:56.719 INFO [stderr] su: No module specific data is present
Dec 15 08:20:57.953 INFO running `"docker" "inspect" "4ccd82a2b48e0a238ac7201d93fc7f1ace2b90af99e38bc5181ecb1228d090a6"`
Dec 15 08:20:58.299 INFO running `"docker" "rm" "-f" "4ccd82a2b48e0a238ac7201d93fc7f1ace2b90af99e38bc5181ecb1228d090a6"`
Dec 15 08:20:58.617 INFO [stdout] 4ccd82a2b48e0a238ac7201d93fc7f1ace2b90af99e38bc5181ecb1228d090a6
Dec 15 08:20:58.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 08:20:59.040 INFO [stdout] 3db7597971011502d0bd9a7cc6594bd8419ff0d263f3cc2857668353245d3cb9
Dec 15 08:20:59.042 INFO running `"docker" "start" "-a" "3db7597971011502d0bd9a7cc6594bd8419ff0d263f3cc2857668353245d3cb9"`
Dec 15 08:21:00.528 INFO [stderr] usermod: no changes
Dec 15 08:21:00.763 INFO [stderr]    Compiling hypercore v0.8.1 (/source)
Dec 15 08:21:30.827 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.26s
Dec 15 08:21:30.839 INFO [stderr] su: No module specific data is present
Dec 15 08:21:31.479 INFO running `"docker" "inspect" "3db7597971011502d0bd9a7cc6594bd8419ff0d263f3cc2857668353245d3cb9"`
Dec 15 08:21:31.856 INFO running `"docker" "rm" "-f" "3db7597971011502d0bd9a7cc6594bd8419ff0d263f3cc2857668353245d3cb9"`
Dec 15 08:21:32.100 INFO [stdout] 3db7597971011502d0bd9a7cc6594bd8419ff0d263f3cc2857668353245d3cb9
Dec 15 08:21:32.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 08:21:32.657 INFO [stdout] faa0d3c38d084b0d882bdf84786d1268ec802074f4cd467b74c21e2cecc0a35e
Dec 15 08:21:32.659 INFO running `"docker" "start" "-a" "faa0d3c38d084b0d882bdf84786d1268ec802074f4cd467b74c21e2cecc0a35e"`
Dec 15 08:21:33.574 INFO [stderr] usermod: no changes
Dec 15 08:21:33.742 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Dec 15 08:21:33.743 INFO [stderr]      Running /target/debug/deps/hypercore-1f5e9b750236e53f
Dec 15 08:21:33.750 INFO [stdout] 
Dec 15 08:21:33.750 INFO [stdout] running 5 tests
Dec 15 08:21:33.751 INFO [stdout] test crypto::hash::tests::root_hash ... ok
Dec 15 08:21:33.751 INFO [stdout] test crypto::hash::tests::parent_hash ... ok
Dec 15 08:21:33.751 INFO [stdout] test crypto::hash::tests::leaf_hash ... ok
Dec 15 08:21:33.771 INFO [stdout] test storage::should_detect_zeroes ... ok
Dec 15 08:21:33.771 INFO [stdout] test crypto::key_pair::can_verify_messages ... ok
Dec 15 08:21:33.771 INFO [stdout] 
Dec 15 08:21:33.771 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:33.771 INFO [stdout] 
Dec 15 08:21:33.777 INFO [stdout] 
Dec 15 08:21:33.777 INFO [stderr]      Running /target/debug/deps/bitfield-3888f140bc76d42c
Dec 15 08:21:33.777 INFO [stdout] running 2 tests
Dec 15 08:21:33.777 INFO [stderr]      Running /target/debug/deps/compat-606f0a133621eace
Dec 15 08:21:33.777 INFO [stdout] test get_total_positive_bits ... ok
Dec 15 08:21:33.777 INFO [stdout] test set_and_get ... ok
Dec 15 08:21:33.777 INFO [stdout] 
Dec 15 08:21:33.777 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:33.777 INFO [stdout] 
Dec 15 08:21:33.781 INFO [stdout] 
Dec 15 08:21:33.781 INFO [stdout] running 4 tests
Dec 15 08:21:33.781 INFO [stdout] test deterministic_data_and_tree_after_replication ... ignored
Dec 15 08:21:33.781 INFO [stdout] test deterministic_signatures_after_replication ... ignored
Dec 15 08:21:34.151 INFO [stdout] test deterministic_signatures ... ok
Dec 15 08:21:34.399 INFO [stdout] test deterministic_data_and_tree ... ok
Dec 15 08:21:34.399 INFO [stdout] 
Dec 15 08:21:34.399 INFO [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
Dec 15 08:21:34.399 INFO [stdout] 
Dec 15 08:21:34.399 INFO [stdout] 
Dec 15 08:21:34.399 INFO [stdout] running 10 tests
Dec 15 08:21:34.399 INFO [stderr]      Running /target/debug/deps/feed-f8090e81f1fda5c5
Dec 15 08:21:34.423 INFO [stdout] test create_with_storage ... ok
Dec 15 08:21:34.427 INFO [stdout] test append ... ok
Dec 15 08:21:34.431 INFO [stdout] test create_with_stored_public_key ... ok
Dec 15 08:21:34.436 INFO [stdout] test create_with_key ... ok
Dec 15 08:21:34.439 INFO [stdout] test display ... ok
Dec 15 08:21:34.443 INFO [stdout] test create_with_stored_keys ... ok
Dec 15 08:21:34.475 INFO [stdout] test root_hashes ... ok
Dec 15 08:21:34.491 INFO [stdout] test set_get ... ok
Dec 15 08:21:34.503 INFO [stdout] test verify ... ok
Dec 15 08:21:34.523 INFO [stdout] test put ... ok
Dec 15 08:21:34.523 INFO [stdout] 
Dec 15 08:21:34.523 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:34.523 INFO [stdout] 
Dec 15 08:21:34.523 INFO [stderr]      Running /target/debug/deps/model-33c3e20b124bfff5
Dec 15 08:21:34.527 INFO [stdout] 
Dec 15 08:21:34.527 INFO [stdout] running 1 test
Dec 15 08:21:40.578 INFO [stderr]      Running /target/debug/deps/regression-89bfdd42aa258d96
Dec 15 08:21:40.579 INFO [stdout] test implementation_matches_model ... ok
Dec 15 08:21:40.579 INFO [stdout] 
Dec 15 08:21:40.579 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:40.579 INFO [stdout] 
Dec 15 08:21:40.579 INFO [stdout] 
Dec 15 08:21:40.579 INFO [stdout] running 1 test
Dec 15 08:21:40.587 INFO [stdout] test regression_01 ... ok
Dec 15 08:21:40.587 INFO [stderr]      Running /target/debug/deps/storage-3fd39a5cac851c96
Dec 15 08:21:40.587 INFO [stdout] 
Dec 15 08:21:40.587 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:40.587 INFO [stdout] 
Dec 15 08:21:40.587 INFO [stdout] 
Dec 15 08:21:40.587 INFO [stdout] running 4 tests
Dec 15 08:21:40.590 INFO [stdout] test should_read_empty_public_key ... ok
Dec 15 08:21:40.590 INFO [stdout] test should_read_partial_keypair ... ok
Dec 15 08:21:40.590 INFO [stdout] test should_read_no_keypair ... ok
Dec 15 08:21:40.595 INFO [stdout] test should_write_and_read_keypair ... ok
Dec 15 08:21:40.595 INFO [stdout] 
Dec 15 08:21:40.595 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:40.595 INFO [stdout] 
Dec 15 08:21:40.607 INFO [stderr]    Doc-tests hypercore
Dec 15 08:21:45.036 INFO [stdout] 
Dec 15 08:21:45.036 INFO [stdout] running 2 tests
Dec 15 08:21:53.155 INFO [stdout] test src/prelude.rs - prelude (line 3) ... ok
Dec 15 08:21:54.807 INFO [stdout] test src/lib.rs -  (line 8) ... FAILED
Dec 15 08:21:54.807 INFO [stdout] 
Dec 15 08:21:54.807 INFO [stdout] failures:
Dec 15 08:21:54.807 INFO [stdout] 
Dec 15 08:21:54.807 INFO [stdout] ---- src/lib.rs -  (line 8) stdout ----
Dec 15 08:21:54.807 INFO [stdout] thread 'src/lib.rs -  (line 8)' panicked at 'test executable failed:
Dec 15 08:21:54.807 INFO [stdout] 
Dec 15 08:21:54.807 INFO [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
Dec 15 08:21:54.807 INFO [stdout] 
Dec 15 08:21:54.807 INFO [stdout] stack backtrace:
Dec 15 08:21:54.807 INFO [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hdbf0da7a20da47fb (0x557617dbbe22)
Dec 15 08:21:54.807 INFO [stdout]              at /cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
Dec 15 08:21:54.807 INFO [stdout]    1: failure::backtrace::Backtrace::new::h0c3179308509a6f5 (0x557617dbb1fd)
Dec 15 08:21:54.807 INFO [stdout]              at /cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
Dec 15 08:21:54.807 INFO [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hce753b9f3f0b61cd (0x557617d5ead9)
Dec 15 08:21:54.807 INFO [stdout]              at /cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/error_impl.rs:19
Dec 15 08:21:54.807 INFO [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::h0a6583f66299c085 (0x557617d5e16f)
Dec 15 08:21:54.807 INFO [stdout]              at /cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
Dec 15 08:21:54.807 INFO [stdout]    4: random_access_disk::RandomAccessDisk::open::h66e48dd5f68a413a (0x557617d5bfc2)
Dec 15 08:21:54.807 INFO [stdout]              at /cargo-home/registry/src/github.com-1ecc6299db9ec823/random-access-disk-0.6.0/src/lib.rs:31
Dec 15 08:21:54.807 INFO [stdout]    5: <hypercore::storage::Storage<random_access_disk::RandomAccessDisk>>::new_disk::{{closure}}::h39c0b05010905f0a (0x557617d4a8bb)
Dec 15 08:21:54.807 INFO [stdout]              at src/storage/mod.rs:313
Dec 15 08:21:54.807 INFO [stdout]    6: <hypercore::storage::Storage<T>>::new::h291533d7e1870983 (0x557617d47caa)
Dec 15 08:21:54.807 INFO [stdout]              at src/storage/mod.rs:74
Dec 15 08:21:54.807 INFO [stdout]    7: <hypercore::storage::Storage<random_access_disk::RandomAccessDisk>>::new_disk::h7efc7e1a9b39515c (0x557617d4a5d8)
Dec 15 08:21:54.807 INFO [stdout]              at src/storage/mod.rs:315
Dec 15 08:21:54.807 INFO [stdout]    8: <hypercore::feed::Feed<random_access_disk::RandomAccessDisk>>::new::h39634f1a24e7e2b3 (0x557617d361f8)
Dec 15 08:21:54.807 INFO [stdout]              at src/feed.rs:551
Dec 15 08:21:54.807 INFO [stdout]    9: rust_out::main::h19287f9e3b324627 (0x557617d30156)
Dec 15 08:21:54.807 INFO [stdout]   10: std::rt::lang_start::{{closure}}::h5e0dad62fb26e8ce (0x557617d2dfa2)
Dec 15 08:21:54.807 INFO [stdout]   11: std::rt::lang_start_internal::{{closure}}::h5e542ccbf7ce49bf (0x557617df4402)
Dec 15 08:21:54.807 INFO [stdout]              at src/libstd/rt.rs:59
Dec 15 08:21:54.807 INFO [stdout]       std::panicking::try::do_call::hd22385b9fba3aa8f
Dec 15 08:21:54.807 INFO [stdout]              at src/libstd/panicking.rs:306
Dec 15 08:21:54.807 INFO [stdout]   12: __rust_maybe_catch_panic (0x557617e02039)
Dec 15 08:21:54.807 INFO [stdout]              at src/libpanic_unwind/lib.rs:102
Dec 15 08:21:54.807 INFO [stdout]   13: std::panicking::try::h74178fa759266f9d (0x557617df4dd3)
Dec 15 08:21:54.807 INFO [stdout]              at src/libstd/panicking.rs:285
Dec 15 08:21:54.807 INFO [stdout]       std::panic::catch_unwind::h4e0a1c67235b2793
Dec 15 08:21:54.807 INFO [stdout]              at src/libstd/panic.rs:398
Dec 15 08:21:54.807 INFO [stdout]       std::rt::lang_start_internal::h884c76ddf53aa8b4
Dec 15 08:21:54.807 INFO [stdout]              at src/libstd/rt.rs:58
Dec 15 08:21:54.807 INFO [stdout]   14: std::rt::lang_start::h468f714fb643dc8b (0x557617d2df84)
Dec 15 08:21:54.807 INFO [stdout]   15: main (0x557617d3042a)
Dec 15 08:21:54.807 INFO [stdout]   16: __libc_start_main (0x7f55fccc282f)
Dec 15 08:21:54.807 INFO [stdout]   17: _start (0x557617d2b038)
Dec 15 08:21:54.807 INFO [stdout]   18: <unknown> (0x0)', src/libcore/result.rs:1009:5
Dec 15 08:21:54.807 INFO [stdout] stack backtrace:
Dec 15 08:21:54.807 INFO [stdout]    0:     0x557617df5233 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 15 08:21:54.807 INFO [stdout]    1:     0x557617defcd8 - std::sys_common::backtrace::_print::h919420b22c2473e3
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:71
Dec 15 08:21:54.807 INFO [stdout]    2:     0x557617df4352 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:59
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:210
Dec 15 08:21:54.807 INFO [stdout]    3:     0x557617df40c4 - std::panicking::default_hook::h1134a4d34aab4428
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:224
Dec 15 08:21:54.807 INFO [stdout]    4:     0x557617df4a00 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:487
Dec 15 08:21:54.807 INFO [stdout]    5:     0x557617df4581 - std::panicking::continue_panic_fmt::h6b63497ce98499d4
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:394
Dec 15 08:21:54.807 INFO [stdout]    6:     0x557617df4465 - rust_begin_unwind
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:321
Dec 15 08:21:54.807 INFO [stdout]    7:     0x557617e030dc - core::panicking::panic_fmt::h68c043a5e81351f3
Dec 15 08:21:54.807 INFO [stdout]                                at src/libcore/panicking.rs:95
Dec 15 08:21:54.807 INFO [stdout]    8:     0x557617d41e5a - core::result::unwrap_failed::h57043bf0d8d8faca
Dec 15 08:21:54.807 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/macros.rs:26
Dec 15 08:21:54.807 INFO [stdout]    9:     0x557617d30510 - <core::result::Result<T, E>>::unwrap::h741f481496c382c1
Dec 15 08:21:54.807 INFO [stdout]   10:     0x557617d3016a - rust_out::main::h19287f9e3b324627
Dec 15 08:21:54.807 INFO [stdout]   11:     0x557617d2dfa2 - std::rt::lang_start::{{closure}}::h5e0dad62fb26e8ce
Dec 15 08:21:54.807 INFO [stdout]   12:     0x557617df4402 - std::panicking::try::do_call::hd22385b9fba3aa8f
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/rt.rs:59
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:306
Dec 15 08:21:54.807 INFO [stdout]   13:     0x557617e02039 - __rust_maybe_catch_panic
Dec 15 08:21:54.807 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 15 08:21:54.807 INFO [stdout]   14:     0x557617df4dd3 - std::rt::lang_start_internal::h884c76ddf53aa8b4
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panicking.rs:285
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/panic.rs:398
Dec 15 08:21:54.807 INFO [stdout]                                at src/libstd/rt.rs:58
Dec 15 08:21:54.807 INFO [stdout]   15:     0x557617d2df84 - std::rt::lang_start::h468f714fb643dc8b
Dec 15 08:21:54.807 INFO [stdout]   16:     0x557617d3042a - main
Dec 15 08:21:54.807 INFO [stdout]   17:     0x7f55fccc282f - __libc_start_main
Dec 15 08:21:54.807 INFO [stdout]   18:     0x557617d2b038 - _start
Dec 15 08:21:54.807 INFO [stdout]   19:                0x0 - <unknown>
Dec 15 08:21:54.807 INFO [stdout] 
Dec 15 08:21:54.808 INFO [stdout] ', src/librustdoc/test.rs:361:17
Dec 15 08:21:54.808 INFO [stdout] stack backtrace:
Dec 15 08:21:54.808 INFO [stdout]    0:     0x7f0f6952ff43 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 15 08:21:54.808 INFO [stdout]    1:     0x7f0f69526fa8 - std::sys_common::backtrace::_print::h919420b22c2473e3
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:71
Dec 15 08:21:54.808 INFO [stdout]    2:     0x7f0f6952c222 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:59
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/panicking.rs:210
Dec 15 08:21:54.808 INFO [stdout]    3:     0x7f0f6952bf17 - std::panicking::default_hook::h1134a4d34aab4428
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/panicking.rs:218
Dec 15 08:21:54.808 INFO [stdout]    4:     0x7f0f6b736681 - rustc::util::common::panic_hook::h5f1ef819f65e49ce
Dec 15 08:21:54.808 INFO [stdout]    5:     0x7f0f6952ca09 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/panicking.rs:491
Dec 15 08:21:54.808 INFO [stdout]    6:     0x7f0f6952c4b1 - std::panicking::continue_panic_fmt::h6b63497ce98499d4
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/panicking.rs:394
Dec 15 08:21:54.808 INFO [stdout]    7:     0x7f0f6952c3fe - std::panicking::begin_panic_fmt::h33c12d7eb9e26fea
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/panicking.rs:349
Dec 15 08:21:54.808 INFO [stdout]    8:     0x5626bd3f2dd0 - <rustdoc::test::Collector as rustdoc::test::Tester>::add_test::{{closure}}::{{closure}}::{{closure}}::h03844441a87ed622
Dec 15 08:21:54.808 INFO [stdout]                                at src/librustdoc/test.rs:361
Dec 15 08:21:54.808 INFO [stdout]                                at src/librustdoc/test.rs:653
Dec 15 08:21:54.808 INFO [stdout]    9:     0x5626bd3af398 - <scoped_tls::ScopedKey<T>>::set::ha4da892a47d9254a
Dec 15 08:21:54.808 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libsyntax/lib.rs:123
Dec 15 08:21:54.808 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 15 08:21:54.808 INFO [stdout]   10:     0x5626bd2e753f - syntax::with_globals::hd5f80a8e81630563
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libsyntax/lib.rs:122
Dec 15 08:21:54.808 INFO [stdout]   11:     0x5626bd27cd24 - std::panicking::try::do_call::haa456735219e3377
Dec 15 08:21:54.808 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306
Dec 15 08:21:54.808 INFO [stdout]   12:     0x7f0f69549649 - __rust_maybe_catch_panic
Dec 15 08:21:54.808 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 15 08:21:54.808 INFO [stdout]   13:     0x5626bd2d1e49 - rustc_driver::in_named_rustc_thread::he2bcf78be8ab5538
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/librustc_driver/lib.rs:1556
Dec 15 08:21:54.808 INFO [stdout]   14:     0x5626bd3c8140 - <F as alloc::boxed::FnBox<A>>::call_box::h418f2961326e63a6
Dec 15 08:21:54.808 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 15 08:21:54.808 INFO [stdout]   15:     0x7f0f6ab98102 - <F as alloc::boxed::FnBox<A>>::call_box::hb274b5baa0755876
Dec 15 08:21:54.808 INFO [stdout]                                at src/libtest/lib.rs:1476
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 15 08:21:54.808 INFO [stdout]   16:     0x7f0f69549649 - __rust_maybe_catch_panic
Dec 15 08:21:54.808 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 15 08:21:54.808 INFO [stdout]   17:     0x7f0f6abb6427 - test::run_test::run_test_inner::{{closure}}::h5f14673685eef7c8
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 15 08:21:54.808 INFO [stdout]                                at src/libtest/lib.rs:1438
Dec 15 08:21:54.808 INFO [stdout]   18:     0x7f0f6ab90334 - std::sys_common::backtrace::__rust_begin_short_backtrace::h96de92a7d062bb5f
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/sys_common/backtrace.rs:136
Dec 15 08:21:54.808 INFO [stdout]   19:     0x7f0f6ab909a4 - std::panicking::try::do_call::h6a71e68ea4ad0d8a
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:479
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306
Dec 15 08:21:54.808 INFO [stdout]   20:     0x7f0f69549649 - __rust_maybe_catch_panic
Dec 15 08:21:54.808 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 15 08:21:54.808 INFO [stdout]   21:     0x7f0f6ab97e4c - <F as alloc::boxed::FnBox<A>>::call_box::h260fd1ad8e2854a6
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:478
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 15 08:21:54.808 INFO [stdout]   22:     0x7f0f6953caed - std::sys::unix::thread::Thread::new::thread_start::h08aa646226e66c99
Dec 15 08:21:54.808 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:683
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/sys_common/thread.rs:24
Dec 15 08:21:54.808 INFO [stdout]                                at src/libstd/sys/unix/thread.rs:91
Dec 15 08:21:54.808 INFO [stdout]   23:     0x7f0f692b06b9 - start_thread
Dec 15 08:21:54.808 INFO [stdout]   24:     0x7f0f68bc841c - clone
Dec 15 08:21:54.808 INFO [stdout]   25:                0x0 - <unknown>
Dec 15 08:21:54.808 INFO [stdout] query stack during panic:
Dec 15 08:21:54.808 INFO [stdout] end of query stack
Dec 15 08:21:54.808 INFO [stdout] 
Dec 15 08:21:54.808 INFO [stdout] 
Dec 15 08:21:54.808 INFO [stdout] failures:
Dec 15 08:21:54.808 INFO [stdout]     src/lib.rs -  (line 8)
Dec 15 08:21:54.808 INFO [stdout] 
Dec 15 08:21:54.808 INFO [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:21:54.808 INFO [stdout] 
Dec 15 08:21:54.863 INFO [stderr] error: test failed, to rerun pass '--doc'
Dec 15 08:21:54.863 INFO [stderr] su: No module specific data is present
Dec 15 08:21:55.535 INFO running `"docker" "inspect" "faa0d3c38d084b0d882bdf84786d1268ec802074f4cd467b74c21e2cecc0a35e"`
Dec 15 08:21:55.889 INFO running `"docker" "rm" "-f" "faa0d3c38d084b0d882bdf84786d1268ec802074f4cd467b74c21e2cecc0a35e"`
Dec 15 08:21:56.177 INFO [stdout] faa0d3c38d084b0d882bdf84786d1268ec802074f4cd467b74c21e2cecc0a35e