[INFO] crate coalescing_buffer 0.0.3 is already in cache
[INFO] extracting crate coalescing_buffer 0.0.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/coalescing_buffer/0.0.3
[INFO] extracting crate coalescing_buffer 0.0.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/coalescing_buffer/0.0.3
[INFO] validating manifest of coalescing_buffer-0.0.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coalescing_buffer-0.0.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coalescing_buffer-0.0.3
[INFO] finished frobbing coalescing_buffer-0.0.3
[INFO] frobbed toml for coalescing_buffer-0.0.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/coalescing_buffer/0.0.3/Cargo.toml
[INFO] started frobbing coalescing_buffer-0.0.3
[INFO] finished frobbing coalescing_buffer-0.0.3
[INFO] frobbed toml for coalescing_buffer-0.0.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/coalescing_buffer/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coalescing_buffer-0.0.3 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/coalescing_buffer/0.0.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 09dcfc66ab6a08dc252772b24fbc6fbdb4b1a6949fe965ca35060a9212056db5
[INFO] running `"docker" "start" "-a" "09dcfc66ab6a08dc252772b24fbc6fbdb4b1a6949fe965ca35060a9212056db5"`
[INFO] [stderr]    Compiling coalescing_buffer v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "09dcfc66ab6a08dc252772b24fbc6fbdb4b1a6949fe965ca35060a9212056db5"`
[INFO] running `"docker" "rm" "-f" "09dcfc66ab6a08dc252772b24fbc6fbdb4b1a6949fe965ca35060a9212056db5"`
[INFO] [stdout] 09dcfc66ab6a08dc252772b24fbc6fbdb4b1a6949fe965ca35060a9212056db5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/coalescing_buffer/0.0.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac5dd9f85758196d3aaa3953e636e960e25680c1b0d4c509991fa4ecad3b7317
[INFO] running `"docker" "start" "-a" "ac5dd9f85758196d3aaa3953e636e960e25680c1b0d4c509991fa4ecad3b7317"`
[INFO] [stderr]    Compiling coalescing_buffer v0.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "ac5dd9f85758196d3aaa3953e636e960e25680c1b0d4c509991fa4ecad3b7317"`
[INFO] running `"docker" "rm" "-f" "ac5dd9f85758196d3aaa3953e636e960e25680c1b0d4c509991fa4ecad3b7317"`
[INFO] [stdout] ac5dd9f85758196d3aaa3953e636e960e25680c1b0d4c509991fa4ecad3b7317
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/coalescing_buffer/0.0.3:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 9a5962612ffc8c8a0b00ae8e0ba26db23075277a5ae992f435c58310ab538e3e
[INFO] running `"docker" "start" "-a" "9a5962612ffc8c8a0b00ae8e0ba26db23075277a5ae992f435c58310ab538e3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coalescing_buffer-a77d9f1726b16727
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_return_all_items_without_request_limit ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_not_update_values_if_read_occurs_between_values ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_count_rejections ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_correctly_report_size ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_return_only_the_maximum_number_of_requested_items ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_return_single_value ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_return_two_values_with_different_keys ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_update_values_with_equal_keys ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_update_values_with_equal_keys_and_preserve_ordering ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_use_object_equality_to_compare_keys ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_accept_existing_keys_when_full ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_not_update_values_without_keys ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_reject_new_keys_when_full ... ok
[INFO] [stdout] test ring::spsc_coalescing_ring_buffer::tests::should_correctly_increase_the_capacity_to_the_next_higher_power_of_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coalescing_buffer_main-791daf756396b986
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coalescing_buffer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ring (line 52) ... FAILED
[INFO] [stdout] test src/lib.rs - simple (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ring (line 52) stdout ----
[INFO] [stdout] thread 'src/lib.rs - ring (line 52)' panicked at 'test executable failed:
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ', src/librustdoc/test.rs:389:17
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x7f93c523b2c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x7f93c5233acb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x7f93c52374e6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x7f93c52371e7 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x7f93c72b1c6f - rustc::util::common::panic_hook::h751032aa3ac1c484
[INFO] [stdout]    5:     0x7f93c5237cbd - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stdout]                                at src/libstd/panicking.rs:482
[INFO] [stdout]    6:     0x7f93c5237771 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    7:     0x7f93c52376be - std::panicking::begin_panic_fmt::hc9320ccc48a296b3
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    8:     0x55d0ad02fcfc - rustdoc::test::run_test::h5889805fcc1a0c80
[INFO] [stdout]                                at src/librustdoc/test.rs:389
[INFO] [stdout]    9:     0x55d0acef0d97 - <scoped_tls::ScopedKey<T>>::set::h9bde29d771b01b1d
[INFO] [stdout]                                at src/librustdoc/test.rs:754
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libsyntax/lib.rs:112
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
[INFO] [stdout]   10:     0x55d0acfc0bc1 - syntax::with_globals::h80769f7b53fe9e05
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libsyntax/lib.rs:111
[INFO] [stdout]   11:     0x55d0acef19e8 - std::sys_common::backtrace::__rust_begin_short_backtrace::hac3ae7983c29a44c
[INFO] [stdout]                                at src/librustdoc/test.rs:751
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   12:     0x55d0acd946c3 - std::panicking::try::do_call::h5fa5d80973e51645
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stdout]   13:     0x7f93c5248ed9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   14:     0x55d0acdae8d7 - <F as alloc::boxed::FnBox<A>>::call_box::h493f8fc037edfe5c
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   15:     0x7f93c5247cdd - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   16:     0x7f93c4db5493 - start_thread
[INFO] [stdout]   17:     0x7f93c48e0ace - __clone
[INFO] [stdout]   18:                0x0 - <unknown>
[INFO] [stdout] query stack during panic:
[INFO] [stdout] end of query stack
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ring (line 52)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "9a5962612ffc8c8a0b00ae8e0ba26db23075277a5ae992f435c58310ab538e3e"`
[INFO] running `"docker" "rm" "-f" "9a5962612ffc8c8a0b00ae8e0ba26db23075277a5ae992f435c58310ab538e3e"`
[INFO] [stdout] 9a5962612ffc8c8a0b00ae8e0ba26db23075277a5ae992f435c58310ab538e3e