[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 try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Freverse-unique-string" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamveekthorr/reverse-unique-string on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e41b2409dfc921024b8a934b0f26da6214791f46d801bb09eab388443f1049
[INFO] running `Command { std: "docker" "start" "-a" "30e41b2409dfc921024b8a934b0f26da6214791f46d801bb09eab388443f1049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e41b2409dfc921024b8a934b0f26da6214791f46d801bb09eab388443f1049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e41b2409dfc921024b8a934b0f26da6214791f46d801bb09eab388443f1049", kill_on_drop: false }`
[INFO] [stdout] 30e41b2409dfc921024b8a934b0f26da6214791f46d801bb09eab388443f1049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2545b310f809343e68048ac647f59a4b73aa3307bc301d3fd1233bc980b57544
[INFO] running `Command { std: "docker" "start" "-a" "2545b310f809343e68048ac647f59a4b73aa3307bc301d3fd1233bc980b57544", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "2545b310f809343e68048ac647f59a4b73aa3307bc301d3fd1233bc980b57544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2545b310f809343e68048ac647f59a4b73aa3307bc301d3fd1233bc980b57544", kill_on_drop: false }`
[INFO] [stdout] 2545b310f809343e68048ac647f59a4b73aa3307bc301d3fd1233bc980b57544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13bbd48d7185b4fbf54d2972950fdb39c51a4747a1b1c840ac70d45d4a909ba1
[INFO] running `Command { std: "docker" "start" "-a" "13bbd48d7185b4fbf54d2972950fdb39c51a4747a1b1c840ac70d45d4a909ba1", 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "13bbd48d7185b4fbf54d2972950fdb39c51a4747a1b1c840ac70d45d4a909ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bbd48d7185b4fbf54d2972950fdb39c51a4747a1b1c840ac70d45d4a909ba1", kill_on_drop: false }`
[INFO] [stdout] 13bbd48d7185b4fbf54d2972950fdb39c51a4747a1b1c840ac70d45d4a909ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2aa8f242306849606a12e4bc315b2f3778cbbba20be915f5b4dbe1e33878c32
[INFO] running `Command { std: "docker" "start" "-a" "a2aa8f242306849606a12e4bc315b2f3778cbbba20be915f5b4dbe1e33878c32", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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' (25) panicked at src/main.rs:79:9:
[INFO] [stdout] Contains duplicates pis
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d319a58bf82 - std[b14e17aa63033746]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d319a58bf82 - std[b14e17aa63033746]::backtrace_rs::backtrace::trace_unsynchronized::<std[b14e17aa63033746]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d319a58bf82 - std[b14e17aa63033746]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d319a58bf82 - <<std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7ebf52c056bd56a4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d319a5a080a - <core[7ebf52c056bd56a4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d319a5a080a - core[7ebf52c056bd56a4]::fmt::write
[INFO] [stdout]    6:     0x5d319a590db6 - std[b14e17aa63033746]::io::default_write_fmt::<alloc[ed4a2d6a5f8966cc]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d319a590db6 - <alloc[ed4a2d6a5f8966cc]::vec::Vec<u8> as std[b14e17aa63033746]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5d319a56a44f - <std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d319a56a44f - std[b14e17aa63033746]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d319a584269 - std[b14e17aa63033746]::panicking::default_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d319a51fb6e - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5d319a51fb6e - test[3318909d72adbd73]::test_main_with_exit_callback::<test[3318909d72adbd73]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5d319a584422 - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5d319a584422 - std[b14e17aa63033746]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d319a56a508 - std[b14e17aa63033746]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5d319a561f69 - std[b14e17aa63033746]::sys::backtrace::__rust_end_short_backtrace::<std[b14e17aa63033746]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d319a56b35d - __rustc[f8abce35e9738d16]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d319a5a0e7c - core[7ebf52c056bd56a4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d319a50a4fb - reverse_unique_string[1f0376f273e5c7ad]::tests::it_returns_duplicates
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:79:9
[INFO] [stdout]   20:     0x5d319a509327 - reverse_unique_string[1f0376f273e5c7ad]::tests::it_returns_duplicates::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:75:31
[INFO] [stdout]   21:     0x5d319a5109d6 - <reverse_unique_string[1f0376f273e5c7ad]::tests::it_returns_duplicates::{closure#0} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5d319a513f1b - <fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d319a513f1b - test[3318909d72adbd73]::__rust_begin_short_backtrace::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x5d319a52077a - test[3318909d72adbd73]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x5d319a52077a - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x5d319a52077a - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5d319a52077a - std[b14e17aa63033746]::panicking::catch_unwind::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5d319a52077a - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5d319a52077a - test[3318909d72adbd73]::run_test_in_process
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x5d319a52077a - test[3318909d72adbd73]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x5d319a51bd24 - test[3318909d72adbd73]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x5d319a51bd24 - std[b14e17aa63033746]::sys::backtrace::__rust_begin_short_backtrace::<test[3318909d72adbd73]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5d319a523272 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x5d319a523272 - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x5d319a523272 - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5d319a523272 - std[b14e17aa63033746]::panicking::catch_unwind::<(), core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5d319a523272 - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5d319a523272 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x5d319a523272 - <std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5d319a58b82f - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn core[7ebf52c056bd56a4]::ops::function::FnOnce<(), Output = ()> + core[7ebf52c056bd56a4]::marker::Send> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x5d319a58b82f - <std[b14e17aa63033746]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   42:     0x79a61e886aa4 - <unknown>
[INFO] [stdout]   43:     0x79a61e913a64 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin reverse_unique_string`
[INFO] running `Command { std: "docker" "inspect" "a2aa8f242306849606a12e4bc315b2f3778cbbba20be915f5b4dbe1e33878c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aa8f242306849606a12e4bc315b2f3778cbbba20be915f5b4dbe1e33878c32", kill_on_drop: false }`
[INFO] [stdout] a2aa8f242306849606a12e4bc315b2f3778cbbba20be915f5b4dbe1e33878c32