[INFO] fetching crate rmuxinator 4.1.0...
[INFO] testing rmuxinator-4.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate rmuxinator 4.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rmuxinator 4.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmuxinator 4.1.0
[INFO] tweaked toml for crates.io crate rmuxinator 4.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmuxinator 4.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmuxinator 4.1.0 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32e1a99ad3b785d039ae0e915b5b034fabd67eb18d655f2c83f2484f937c757b
[INFO] running `Command { std: "docker" "start" "-a" "32e1a99ad3b785d039ae0e915b5b034fabd67eb18d655f2c83f2484f937c757b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e1a99ad3b785d039ae0e915b5b034fabd67eb18d655f2c83f2484f937c757b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e1a99ad3b785d039ae0e915b5b034fabd67eb18d655f2c83f2484f937c757b", kill_on_drop: false }`
[INFO] [stdout] 32e1a99ad3b785d039ae0e915b5b034fabd67eb18d655f2c83f2484f937c757b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2629ac9358851c69ae16ad5bababab94d5e0c978cabeb2ad85f32b724d3f0f
[INFO] running `Command { std: "docker" "start" "-a" "6c2629ac9358851c69ae16ad5bababab94d5e0c978cabeb2ad85f32b724d3f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling rmuxinator v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.76s
[INFO] running `Command { std: "docker" "inspect" "6c2629ac9358851c69ae16ad5bababab94d5e0c978cabeb2ad85f32b724d3f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2629ac9358851c69ae16ad5bababab94d5e0c978cabeb2ad85f32b724d3f0f", kill_on_drop: false }`
[INFO] [stdout] 6c2629ac9358851c69ae16ad5bababab94d5e0c978cabeb2ad85f32b724d3f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc7a1837dc1aa270860207e89255e229b843e856813892ab3fb68093a6b17558
[INFO] running `Command { std: "docker" "start" "-a" "fc7a1837dc1aa270860207e89255e229b843e856813892ab3fb68093a6b17558", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling mockall v0.13.1
[INFO] [stderr]    Compiling rmuxinator v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "fc7a1837dc1aa270860207e89255e229b843e856813892ab3fb68093a6b17558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7a1837dc1aa270860207e89255e229b843e856813892ab3fb68093a6b17558", kill_on_drop: false }`
[INFO] [stdout] fc7a1837dc1aa270860207e89255e229b843e856813892ab3fb68093a6b17558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2fcf24afa5e12922b30aeb77205a359e36c12dac711cadee400706f1de9fe7c
[INFO] running `Command { std: "docker" "start" "-a" "a2fcf24afa5e12922b30aeb77205a359e36c12dac711cadee400706f1de9fe7c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] test tests::it_accepts_correct_cli_args ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rmuxinator-daf6274963fa6e87)
[INFO] [stdout] test tests::it_builds_window_args_without_a_start_directory ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_with_a_config_layout_and_no_window_layout ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_with_a_window_layout_and_a_config_layout ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_with_a_window_layout_and_no_config_layout ... ok
[INFO] [stdout] test tests::it_builds_session_args_with_start_directory ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_without_a_window_layout_or_a_config_layout ... ok
[INFO] [stdout] test tests::it_computes_the_expected_commands ... ok
[INFO] [stdout] test tests::it_converts_a_pascal_case_string_to_a_kebab_case_string ... ok
[INFO] [stdout] test tests::it_converts_custom_layout_to_string ... ok
[INFO] [stdout] test tests::it_uses_configs_start_directory_when_no_window_start_directory_present_for_session_start_directory ... ok
[INFO] [stdout] test tests::it_builds_hook_arguments ... ok
[INFO] [stdout] test tests::it_builds_window_args_with_a_start_directory ... ok
[INFO] [stdout] test tests::it_uses_no_pane_sd_when_none_are_set ... ok
[INFO] [stdout] test tests::it_rejects_invalid_cli_command_arg ... ok
[INFO] [stdout] test tests::it_uses_no_start_directory_when_none_present_for_session_start_directory ... ok
[INFO] [stdout] test tests::it_uses_no_start_directory_when_none_present_for_window_start_directory ... ok
[INFO] [stdout] test tests::it_uses_configs_start_directory_when_no_window_start_directory_present_for_window_start_directory ... ok
[INFO] [stdout] test tests::it_builds_session_args_without_window_name ... ok
[INFO] [stdout] test tests::it_uses_pane_sd_when_window_sd_is_none_and_config_sd_is_none ... ok
[INFO] [stdout] test tests::it_uses_pane_sd_when_window_sd_is_none_and_config_sd_is_some ... ok
[INFO] [stdout] test tests::it_uses_pane_sd_when_window_sd_is_some_and_config_sd_is_none ... ok
[INFO] [stdout] test tests::it_uses_pane_sd_when_window_sd_is_some_and_config_sd_is_some ... ok
[INFO] [stdout] test tests::it_uses_window_sd_when_pane_sd_is_none_and_config_sd_is_none ... ok
[INFO] [stdout] test tests::it_uses_window_sd_when_pane_sd_is_none_and_config_sd_is_some ... ok
[INFO] [stdout] test tests::test_in_tmux_context_returns_false_when_env_var_is_empty_string ... ok
[INFO] [stdout] test tests::it_uses_windows_start_directory_over_configs_start_directory_for_session_start_directory ... ok
[INFO] [stdout] test tests::it_uses_windows_start_directory_over_configs_start_directory_for_window_start_directory ... ok
[INFO] [stdout] test tests::test_in_tmux_context_returns_true_when_env_var_is_non_empty_string ... ok
[INFO] [stdout] test tests::test_in_tmux_context_returns_false_when_env_var_not_set ... ok
[INFO] [stdout] test tests::it_builds_attach_args ... ok
[INFO] [stdout] test tests::it_uses_config_sd_when_pane_sd_is_none_and_config_sd_is_none ... ok
[INFO] [stdout] test tests::it_doesnt_build_rename_pane_args_when_no_pane_name_user_option_present ... ok
[INFO] [stdout] test tests::it_doesnt_build_rename_pane_args_when_no_pane_name_present ... ok
[INFO] [stdout] test tests::it_builds_rename_pane_args_when_pane_name_and_pane_name_user_option_present ... ok
[INFO] [stdout] test tests::it_accepts_valid_cli_command_arg ... ok
[INFO] [stdout] test tests::test_for_tmux_returns_false_when_tmux_doesnt_exist ... ok
[INFO] [stdout] test tests::it_builds_session_args_without_start_directory ... ok
[INFO] [stdout] test tests::it_converts_layout_to_string ... ok
[INFO] [stdout] test tests::it_no_ops_on_a_non_pascal_case_string ... ok
[INFO] [stdout] test tests::test_it_passes_tmux_options_to_tmux_when_present ... ok
[INFO] [stdout] test tests::test_it_returns_custom_pane_base_index_when_good_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_it_returns_default_pane_base_index_when_no_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::it_builds_session_args_with_window_name ... ok
[INFO] [stdout] test tests::test_it_returns_default_base_index_when_no_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_it_passes_multiple_tmux_options_to_tmux_when_present ... ok
[INFO] [stdout] test tests::test_run_tmux_command_does_receive_an_attach_command_when_attached_true ... ok
[INFO] [stdout] test tests::test_it_returns_custom_base_index_when_good_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_it_returns_default_pane_base_index_when_good_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_it_uses_a_custom_terminal_multiplexer_when_provided ... ok
[INFO] [stdout] test tests::test_it_returns_default_base_index_when_good_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_run_tmux_command_does_not_receive_an_attach_command_when_attached_false ... ok
[INFO] [stdout] test tests::test_it_doesnt_pass_tmux_options_to_tmux_when_absent ... ok
[INFO] [stdout] test tests::test_for_tmux_returns_true_when_tmux_exists ... FAILED
[INFO] [stdout] test tests::test_run_tmux_command_does_basic_validation_on_terminal_multiplexer - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_for_tmux_returns_true_when_tmux_exists stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_for_tmux_returns_true_when_tmux_exists' (62) panicked at src/lib.rs:1923:9:
[INFO] [stdout] assertion failed: actual
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59babea82962 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59babea82962 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59babea82962 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59babea82962 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59babea9915a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59babea9915a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x59babea879c6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59babea879c6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59babea6068f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59babea6068f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59babea7ac19 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59babe6d369e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x59babe6d369e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59babea7add2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x59babea7add2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59babea6077a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x59babea58069 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59babea6161d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59babea9991c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59babea998e2 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x59babe682c58 - rmuxinator[b8a4221ecb5414a8]::tests::test_for_tmux_returns_true_when_tmux_exists
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1923:9
[INFO] [stdout]   21:     0x59babe67c337 - rmuxinator[b8a4221ecb5414a8]::tests::test_for_tmux_returns_true_when_tmux_exists::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1921:53
[INFO] [stdout]   22:     0x59babe6a7de6 - <rmuxinator[b8a4221ecb5414a8]::tests::test_for_tmux_returns_true_when_tmux_exists::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x59babe6c7a4b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59babe6c7a4b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x59babe6d42aa - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x59babe6d42aa - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x59babe6d42aa - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x59babe6d42aa - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x59babe6d42aa - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x59babe6d42aa - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x59babe6d42aa - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x59babe6ce774 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x59babe6ce774 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x59babe6d6da2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x59babe6d6da2 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x59babe6d6da2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x59babe6d6da2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x59babe6d6da2 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x59babe6d6da2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x59babe6d6da2 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x59babea8220f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x59babea8220f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x789baf53eaa4 - <unknown>
[INFO] [stdout]   44:     0x789baf5cba64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_for_tmux_returns_true_when_tmux_exists
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 54 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2fcf24afa5e12922b30aeb77205a359e36c12dac711cadee400706f1de9fe7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fcf24afa5e12922b30aeb77205a359e36c12dac711cadee400706f1de9fe7c", kill_on_drop: false }`
[INFO] [stdout] a2fcf24afa5e12922b30aeb77205a359e36c12dac711cadee400706f1de9fe7c
