[INFO] fetching crate unicode_clusters 0.1.2...
[INFO] testing unicode_clusters-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate unicode_clusters 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate unicode_clusters 0.1.2
[INFO] finished tweaking crates.io crate unicode_clusters 0.1.2
[INFO] tweaked toml for crates.io crate unicode_clusters 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicode_clusters 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ce49e96a23a56924d74b619f50ad94f0d147c61405b6a251a80929b58d29df
[INFO] running `Command { std: "docker" "start" "-a" "06ce49e96a23a56924d74b619f50ad94f0d147c61405b6a251a80929b58d29df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ce49e96a23a56924d74b619f50ad94f0d147c61405b6a251a80929b58d29df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ce49e96a23a56924d74b619f50ad94f0d147c61405b6a251a80929b58d29df", kill_on_drop: false }`
[INFO] [stdout] 06ce49e96a23a56924d74b619f50ad94f0d147c61405b6a251a80929b58d29df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8ccde2c41954157abc0aded18db7898dc205b1df554c908343e6e6ce5eca2b
[INFO] running `Command { std: "docker" "start" "-a" "8d8ccde2c41954157abc0aded18db7898dc205b1df554c908343e6e6ce5eca2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_clusters v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8d8ccde2c41954157abc0aded18db7898dc205b1df554c908343e6e6ce5eca2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8ccde2c41954157abc0aded18db7898dc205b1df554c908343e6e6ce5eca2b", kill_on_drop: false }`
[INFO] [stdout] 8d8ccde2c41954157abc0aded18db7898dc205b1df554c908343e6e6ce5eca2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e854cbfc03180cd0b9634978419a6c18c432c2aa833b41b8b95c825cff25c7b
[INFO] running `Command { std: "docker" "start" "-a" "1e854cbfc03180cd0b9634978419a6c18c432c2aa833b41b8b95c825cff25c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_clusters v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "1e854cbfc03180cd0b9634978419a6c18c432c2aa833b41b8b95c825cff25c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e854cbfc03180cd0b9634978419a6c18c432c2aa833b41b8b95c825cff25c7b", kill_on_drop: false }`
[INFO] [stdout] 1e854cbfc03180cd0b9634978419a6c18c432c2aa833b41b8b95c825cff25c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3f8d3e36fee1188c5aed0aecd0f92dacc15ee63fe50d221b1fd9d77692b3955
[INFO] running `Command { std: "docker" "start" "-a" "a3f8d3e36fee1188c5aed0aecd0f92dacc15ee63fe50d221b1fd9d77692b3955", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unicode_clusters-a0d9cce9548020bb)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bytes_1 ... ok
[INFO] [stdout] test bytes_3 ... ok
[INFO] [stdout] test bytes_4 ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test unicode_compare ... ok
[INFO] [stdout] test bytes_2 ... ok
[INFO] [stdout] test bytes_6 ... ok
[INFO] [stdout] test example ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- example stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'example' (22) panicked at src/lib.rs:65:18:
[INFO] [stdout] length is too long for grapheme 12
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x607532beabaa - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x607532beabaa - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x607532beabaa - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x607532beabaa - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x607532bfe92a - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x607532bfe92a - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stdout]    6:     0x607532bef4e2 - std[e72de78501789eb0]::io::default_write_fmt::<alloc[28d2dab30c1dc666]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x607532bef4e2 - <alloc[28d2dab30c1dc666]::vec::Vec<u8> as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x607532bc9dcf - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x607532bc9dcf - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x607532be3169 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x607532b7e15c - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x607532b7e15c - test[4f12b380f1fb68c5]::test_main_with_exit_callback::<test[4f12b380f1fb68c5]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x607532be3322 - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x607532be3322 - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x607532bc9e88 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x607532bc17f9 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x607532bcab9d - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x607532bff01c - core[6aaeda2c7ad07a48]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x607532b674fa - <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::new
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:65:9
[INFO] [stdout]   20:     0x607532b63dc0 - <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:92:13
[INFO] [stdout]   21:     0x607532b70fe5 - <&mut <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<(&str,)>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:310:21
[INFO] [stdout]   22:     0x607532b70fe5 - <core[6aaeda2c7ad07a48]::option::Option<&str>>::map::<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster, &mut <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/option.rs:1165:29
[INFO] [stdout]   23:     0x607532b70fe5 - <core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}> as core[6aaeda2c7ad07a48]::iter::traits::iterator::Iterator>::next
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/iter/adapters/map.rs:107:26
[INFO] [stdout]   24:     0x607532b6ed51 - <alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>>::extend_desugared::<core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/vec/mod.rs:3988:44
[INFO] [stdout]   25:     0x607532b7066a - <alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster> as alloc[28d2dab30c1dc666]::vec::spec_extend::SpecExtend<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster, core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>>>::spec_extend
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/vec/spec_extend.rs:18:14
[INFO] [stdout]   26:     0x607532b709b7 - <alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster> as alloc[28d2dab30c1dc666]::vec::spec_from_iter_nested::SpecFromIterNested<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster, core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>>>::from_iter
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/vec/spec_from_iter_nested.rs:41:9
[INFO] [stdout]   27:     0x607532b7068d - <alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster> as alloc[28d2dab30c1dc666]::vec::spec_from_iter::SpecFromIter<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster, core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>>>::from_iter
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stdout]   28:     0x607532b6f8da - <alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster> as core[6aaeda2c7ad07a48]::iter::traits::collect::FromIterator<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>>::from_iter::<core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/vec/mod.rs:3884:9
[INFO] [stdout]   29:     0x607532b6f9bd - <core[6aaeda2c7ad07a48]::iter::adapters::map::Map<unicode_segmentation[e2adaf117237aea1]::grapheme::Graphemes, <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes::{closure#0}> as core[6aaeda2c7ad07a48]::iter::traits::iterator::Iterator>::collect::<alloc[28d2dab30c1dc666]::vec::Vec<unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/iter/traits/iterator.rs:2080:9
[INFO] [stdout]   30:     0x607532b67764 - <unicode_clusters[8e4140409ab12fb6]::GraphemeCluster>::graphemes
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:93:5
[INFO] [stdout]   31:     0x607532b6490c - unicode_clusters[8e4140409ab12fb6]::example
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:112:12
[INFO] [stdout]   32:     0x607532b63d47 - unicode_clusters[8e4140409ab12fb6]::example::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:109:13
[INFO] [stdout]   33:     0x607532b6b216 - <unicode_clusters[8e4140409ab12fb6]::example::{closure#0} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   34:     0x607532b7223b - <fn() -> core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   35:     0x607532b7223b - test[4f12b380f1fb68c5]::__rust_begin_short_backtrace::<core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>, fn() -> core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:663:18
[INFO] [stdout]   36:     0x607532b7ec2b - test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:74
[INFO] [stdout]   37:     0x607532b7ec2b - <core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   38:     0x607532b7ec2b - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x607532b7ec2b - std[e72de78501789eb0]::panicking::catch_unwind::<core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>, core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x607532b7ec2b - std[e72de78501789eb0]::panic::catch_unwind::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<test[4f12b380f1fb68c5]::run_test_in_process::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x607532b7ec2b - test[4f12b380f1fb68c5]::run_test_in_process
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:27
[INFO] [stdout]   42:     0x607532b7ec2b - test[4f12b380f1fb68c5]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:607:43
[INFO] [stdout]   43:     0x607532b7a344 - test[4f12b380f1fb68c5]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:637:41
[INFO] [stdout]   44:     0x607532b7a344 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   45:     0x607532b81832 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   46:     0x607532b81832 - <core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   47:     0x607532b81832 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stdout]   48:     0x607532b81832 - std[e72de78501789eb0]::panicking::catch_unwind::<(), core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stdout]   49:     0x607532b81832 - std[e72de78501789eb0]::panic::catch_unwind::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stdout]   50:     0x607532b81832 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   51:     0x607532b81832 - <std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<test[4f12b380f1fb68c5]::run_test::{closure#1}, ()>::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   52:     0x607532bea4bf - <alloc[28d2dab30c1dc666]::boxed::Box<dyn core[6aaeda2c7ad07a48]::ops::function::FnOnce<(), Output = ()> + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   53:     0x607532bea4bf - <std[e72de78501789eb0]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   54:     0x70d2a6b04aa4 - <unknown>
[INFO] [stdout]   55:     0x70d2a6b91a64 - clone
[INFO] [stdout]   56:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     example
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a3f8d3e36fee1188c5aed0aecd0f92dacc15ee63fe50d221b1fd9d77692b3955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f8d3e36fee1188c5aed0aecd0f92dacc15ee63fe50d221b1fd9d77692b3955", kill_on_drop: false }`
[INFO] [stdout] a3f8d3e36fee1188c5aed0aecd0f92dacc15ee63fe50d221b1fd9d77692b3955