[INFO] cloning repository https://github.com/iamveekthorr/reverse-unique-string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamveekthorr/reverse-unique-string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Freverse-unique-string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Freverse-unique-string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f96212ce23af48c60465198cdd04b20c1d0af477
[INFO] testing iamveekthorr/reverse-unique-string against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Freverse-unique-string" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iamveekthorr/reverse-unique-string
[INFO] finished tweaking git repo https://github.com/iamveekthorr/reverse-unique-string
[INFO] tweaked toml for git repo https://github.com/iamveekthorr/reverse-unique-string written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamveekthorr/reverse-unique-string on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iamveekthorr/reverse-unique-string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d86acbbb897c11cf26938dd0a95d75bcd0f68fda7f56695e9090a280db5e88
[INFO] running `Command { std: "docker" "start" "-a" "74d86acbbb897c11cf26938dd0a95d75bcd0f68fda7f56695e9090a280db5e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d86acbbb897c11cf26938dd0a95d75bcd0f68fda7f56695e9090a280db5e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d86acbbb897c11cf26938dd0a95d75bcd0f68fda7f56695e9090a280db5e88", kill_on_drop: false }`
[INFO] [stdout] 74d86acbbb897c11cf26938dd0a95d75bcd0f68fda7f56695e9090a280db5e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9006f49415d558f07f37fa2ac0da6823429571e67e104e49f3fe7684f04f58
[INFO] running `Command { std: "docker" "start" "-a" "7e9006f49415d558f07f37fa2ac0da6823429571e67e104e49f3fe7684f04f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_unique_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7e9006f49415d558f07f37fa2ac0da6823429571e67e104e49f3fe7684f04f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9006f49415d558f07f37fa2ac0da6823429571e67e104e49f3fe7684f04f58", kill_on_drop: false }`
[INFO] [stdout] 7e9006f49415d558f07f37fa2ac0da6823429571e67e104e49f3fe7684f04f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff54954cecf019d4c59086731261cd8b6b1864f61213c75441ace7bebbea41c2
[INFO] running `Command { std: "docker" "start" "-a" "ff54954cecf019d4c59086731261cd8b6b1864f61213c75441ace7bebbea41c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_unique_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ff54954cecf019d4c59086731261cd8b6b1864f61213c75441ace7bebbea41c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff54954cecf019d4c59086731261cd8b6b1864f61213c75441ace7bebbea41c2", kill_on_drop: false }`
[INFO] [stdout] ff54954cecf019d4c59086731261cd8b6b1864f61213c75441ace7bebbea41c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0747aa9302866b9557719b64a890261000d3284b0169ab39c31b2c8bd3068282
[INFO] running `Command { std: "docker" "start" "-a" "0747aa9302866b9557719b64a890261000d3284b0169ab39c31b2c8bd3068282", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/reverse_unique_string-b52679216e8cd83a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_reverses_unique_string ... ok
[INFO] [stdout] test tests::it_returns_duplicates ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_returns_duplicates stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::it_returns_duplicates' (18) panicked at src/main.rs:79:9:
[INFO] [stdout] Contains duplicates sip
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x617d1ceb5e6a - std[69d51b4813ba037]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x617d1ceb5e6a - std[69d51b4813ba037]::backtrace_rs::backtrace::trace_unsynchronized::<std[69d51b4813ba037]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x617d1ceb5e6a - std[69d51b4813ba037]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x617d1ceb5e6a - <<std[69d51b4813ba037]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[51d4adbef590f61]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x617d1cec9b3a - <core[51d4adbef590f61]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x617d1cec9b3a - core[51d4adbef590f61]::fmt::write
[INFO] [stdout]    6:     0x617d1ceba6f2 - std[69d51b4813ba037]::io::default_write_fmt::<alloc[18203fec9a0cd4ec]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x617d1ceba6f2 - <alloc[18203fec9a0cd4ec]::vec::Vec<u8> as std[69d51b4813ba037]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x617d1ce9507f - <std[69d51b4813ba037]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x617d1ce9507f - std[69d51b4813ba037]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x617d1ceae429 - std[69d51b4813ba037]::panicking::default_hook
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x617d1ce4b4bc - <alloc[18203fec9a0cd4ec]::boxed::Box<dyn for<'a, 'b> core[51d4adbef590f61]::ops::function::Fn<(&'a std[69d51b4813ba037]::panic::PanicHookInfo<'b>,), Output = ()> + core[51d4adbef590f61]::marker::Sync + core[51d4adbef590f61]::marker::Send> as core[51d4adbef590f61]::ops::function::Fn<(&std[69d51b4813ba037]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x617d1ce4b4bc - test[8fe65b9e05bf4c74]::test_main_with_exit_callback::<test[8fe65b9e05bf4c74]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x617d1ceae5e2 - <alloc[18203fec9a0cd4ec]::boxed::Box<dyn for<'a, 'b> core[51d4adbef590f61]::ops::function::Fn<(&'a std[69d51b4813ba037]::panic::PanicHookInfo<'b>,), Output = ()> + core[51d4adbef590f61]::marker::Sync + core[51d4adbef590f61]::marker::Send> as core[51d4adbef590f61]::ops::function::Fn<(&std[69d51b4813ba037]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x617d1ceae5e2 - std[69d51b4813ba037]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x617d1ce95138 - std[69d51b4813ba037]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x617d1ce8cad9 - std[69d51b4813ba037]::sys::backtrace::__rust_end_short_backtrace::<std[69d51b4813ba037]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x617d1ce95e4d - __rustc[cb16bc19fc993bd7]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x617d1ceca34c - core[51d4adbef590f61]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x617d1ce35f3b - reverse_unique_string[aba8e212880c9cf8]::tests::it_returns_duplicates
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:79:9
[INFO] [stdout]   20:     0x617d1ce347c7 - reverse_unique_string[aba8e212880c9cf8]::tests::it_returns_duplicates::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:75:31
[INFO] [stdout]   21:     0x617d1ce38fd6 - <reverse_unique_string[aba8e212880c9cf8]::tests::it_returns_duplicates::{closure#0} as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x617d1ce3f59b - <fn() -> core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String> as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x617d1ce3f59b - test[8fe65b9e05bf4c74]::__rust_begin_short_backtrace::<core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String>, fn() -> core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x617d1ce4bf8b - test[8fe65b9e05bf4c74]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x617d1ce4bf8b - <core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<test[8fe65b9e05bf4c74]::run_test_in_process::{closure#0}> as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x617d1ce4bf8b - std[69d51b4813ba037]::panicking::catch_unwind::do_call::<core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<test[8fe65b9e05bf4c74]::run_test_in_process::{closure#0}>, core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x617d1ce4bf8b - std[69d51b4813ba037]::panicking::catch_unwind::<core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String>, core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<test[8fe65b9e05bf4c74]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x617d1ce4bf8b - std[69d51b4813ba037]::panic::catch_unwind::<core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<test[8fe65b9e05bf4c74]::run_test_in_process::{closure#0}>, core[51d4adbef590f61]::result::Result<(), alloc[18203fec9a0cd4ec]::string::String>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x617d1ce4bf8b - test[8fe65b9e05bf4c74]::run_test_in_process
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x617d1ce4bf8b - test[8fe65b9e05bf4c74]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x617d1ce476a4 - test[8fe65b9e05bf4c74]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x617d1ce476a4 - std[69d51b4813ba037]::sys::backtrace::__rust_begin_short_backtrace::<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x617d1ce4eb92 - std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked::<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x617d1ce4eb92 - <core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x617d1ce4eb92 - std[69d51b4813ba037]::panicking::catch_unwind::do_call::<core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x617d1ce4eb92 - std[69d51b4813ba037]::panicking::catch_unwind::<(), core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x617d1ce4eb92 - std[69d51b4813ba037]::panic::catch_unwind::<core[51d4adbef590f61]::panic::unwind_safe::AssertUnwindSafe<std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x617d1ce4eb92 - std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked::<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x617d1ce4eb92 - <std[69d51b4813ba037]::thread::lifecycle::spawn_unchecked<test[8fe65b9e05bf4c74]::run_test::{closure#1}, ()>::{closure#1} as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x617d1ceb577f - <alloc[18203fec9a0cd4ec]::boxed::Box<dyn core[51d4adbef590f61]::ops::function::FnOnce<(), Output = ()> + core[51d4adbef590f61]::marker::Send> as core[51d4adbef590f61]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x617d1ceb577f - <std[69d51b4813ba037]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/d933cf483edf1605142ac6899ff32536c0ad8b22/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7203b7406aa4 - <unknown>
[INFO] [stdout]   43:     0x7203b7493a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_returns_duplicates
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin reverse_unique_string`
[INFO] running `Command { std: "docker" "inspect" "0747aa9302866b9557719b64a890261000d3284b0169ab39c31b2c8bd3068282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0747aa9302866b9557719b64a890261000d3284b0169ab39c31b2c8bd3068282", kill_on_drop: false }`
[INFO] [stdout] 0747aa9302866b9557719b64a890261000d3284b0169ab39c31b2c8bd3068282