[INFO] cloning repository https://github.com/ethagnawl/rmuxinator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethagnawl/rmuxinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethagnawl%2Frmuxinator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethagnawl%2Frmuxinator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c813fc1f5254816c61003d3399105039139f1b60
[INFO] testing ethagnawl/rmuxinator against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethagnawl%2Frmuxinator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethagnawl/rmuxinator
[INFO] finished tweaking git repo https://github.com/ethagnawl/rmuxinator
[INFO] tweaked toml for git repo https://github.com/ethagnawl/rmuxinator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethagnawl/rmuxinator on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethagnawl/rmuxinator 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4adf3f95da4c485f31c06e60b854240c8b6629479f3358ec2a8704d945dc243a
[INFO] running `Command { std: "docker" "start" "-a" "4adf3f95da4c485f31c06e60b854240c8b6629479f3358ec2a8704d945dc243a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4adf3f95da4c485f31c06e60b854240c8b6629479f3358ec2a8704d945dc243a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adf3f95da4c485f31c06e60b854240c8b6629479f3358ec2a8704d945dc243a", kill_on_drop: false }`
[INFO] [stdout] 4adf3f95da4c485f31c06e60b854240c8b6629479f3358ec2a8704d945dc243a
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 4f25c4a28651961ec9aaac4d71d294b665c84035804b471f404279be0241dc81
[INFO] running `Command { std: "docker" "start" "-a" "4f25c4a28651961ec9aaac4d71d294b665c84035804b471f404279be0241dc81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[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 22.52s
[INFO] running `Command { std: "docker" "inspect" "4f25c4a28651961ec9aaac4d71d294b665c84035804b471f404279be0241dc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f25c4a28651961ec9aaac4d71d294b665c84035804b471f404279be0241dc81", kill_on_drop: false }`
[INFO] [stdout] 4f25c4a28651961ec9aaac4d71d294b665c84035804b471f404279be0241dc81
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 2629ae8515a69d23a80cc15dfb1144c5e7322bb54cb2bd4e9d512aa98ec03122
[INFO] running `Command { std: "docker" "start" "-a" "2629ae8515a69d23a80cc15dfb1144c5e7322bb54cb2bd4e9d512aa98ec03122", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling assert_cmd 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 15.19s
[INFO] running `Command { std: "docker" "inspect" "2629ae8515a69d23a80cc15dfb1144c5e7322bb54cb2bd4e9d512aa98ec03122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2629ae8515a69d23a80cc15dfb1144c5e7322bb54cb2bd4e9d512aa98ec03122", kill_on_drop: false }`
[INFO] [stdout] 2629ae8515a69d23a80cc15dfb1144c5e7322bb54cb2bd4e9d512aa98ec03122
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c83c5a7aaa6e7d33f6fd12ed63fa774f61febba3ad0ea65e25284d0f5dde85ba
[INFO] running `Command { std: "docker" "start" "-a" "c83c5a7aaa6e7d33f6fd12ed63fa774f61febba3ad0ea65e25284d0f5dde85ba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/rmuxinator/daf6274963fa6e87/deps/rmuxinator-daf6274963fa6e87)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test tests::it_accepts_valid_cli_command_arg ... 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_builds_hook_arguments ... ok
[INFO] [stdout] test tests::it_builds_attach_args ... ok
[INFO] [stdout] test tests::it_builds_session_args_without_start_directory ... ok
[INFO] [stdout] test tests::it_accepts_correct_cli_args ... ok
[INFO] [stdout] test tests::it_builds_session_args_without_window_name ... ok
[INFO] [stdout] test tests::it_builds_window_args_with_a_start_directory ... ok
[INFO] [stdout] test tests::it_builds_session_args_with_start_directory ... 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_window_args_without_a_start_directory ... 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_converts_layout_to_string ... ok
[INFO] [stdout] test tests::it_doesnt_build_rename_pane_args_when_no_pane_name_present ... ok
[INFO] [stdout] test tests::it_doesnt_build_rename_pane_args_when_no_pane_name_user_option_present ... 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_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_pane_sd_when_none_are_set ... ok
[INFO] [stdout] test tests::it_uses_no_start_directory_when_none_present_for_window_start_directory ... 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_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_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::it_uses_configs_start_directory_when_no_window_start_directory_present_for_window_start_directory ... ok
[INFO] [stdout] test tests::test_in_tmux_context_returns_false_when_env_var_not_set ... ok
[INFO] [stdout] test tests::test_for_tmux_returns_false_when_tmux_doesnt_exist ... ok
[INFO] [stdout] test tests::test_in_tmux_context_returns_false_when_env_var_is_empty_string ... ok
[INFO] [stdout] test tests::test_it_passes_multiple_tmux_options_to_tmux_when_present ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_without_a_window_layout_or_a_config_layout ... 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_base_index_when_no_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::test_it_doesnt_pass_tmux_options_to_tmux_when_absent ... ok
[INFO] [stdout] test tests::test_it_returns_default_pane_base_index_when_no_value_found_in_tmux_session ... 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_passes_tmux_options_to_tmux_when_present ... ok
[INFO] [stdout] test tests::test_run_tmux_command_does_not_receive_an_attach_command_when_attached_false ... ok
[INFO] [stdout] test tests::it_builds_session_args_with_window_name ... ok
[INFO] [stdout] test tests::it_computes_the_expected_commands ... ok
[INFO] [stdout] test tests::test_it_returns_default_base_index_when_good_value_found_in_tmux_session ... ok
[INFO] [stdout] test tests::it_builds_window_layout_args_with_a_window_layout_and_a_config_layout ... ok
[INFO] [stdout] test tests::test_it_uses_a_custom_terminal_multiplexer_when_provided ... ok
[INFO] [stdout] test tests::it_no_ops_on_a_non_pascal_case_string ... ok
[INFO] [stdout] test tests::test_run_tmux_command_does_receive_an_attach_command_when_attached_true ... 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] test tests::it_builds_window_layout_args_with_a_config_layout_and_no_window_layout ... ok
[INFO] [stdout] test tests::it_uses_configs_start_directory_when_no_window_start_directory_present_for_session_start_directory ... 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' (63) panicked at src/lib.rs:1923:9:
[INFO] [stdout] assertion failed: actual
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e9391c81172 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e9391c81172 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e9391c81172 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e9391c81172 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e9391c9796a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e9391c9796a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x5e9391c861d6 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e9391c861d6 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e9391c5ee9f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e9391c5ee9f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e9391c79479 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e93918d19de - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e93918d19de - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e9391c79632 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e9391c79632 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e9391c5ef8a - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5e9391c56879 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e9391c5fe2d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e9391c9812c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e9391c980f2 - core[8f93d80df273fe75]::panicking::panic
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5e9391880f98 - rmuxinator[b4942fefab11b657]::tests::test_for_tmux_returns_true_when_tmux_exists
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1923:9
[INFO] [stdout]   21:     0x5e939187a677 - rmuxinator[b4942fefab11b657]::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:     0x5e93918a6276 - <rmuxinator[b4942fefab11b657]::tests::test_for_tmux_returns_true_when_tmux_exists::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5e93918c5d8b - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5e93918c5d8b - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5e93918d25ea - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5e93918d25ea - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5e93918d25ea - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5e93918d25ea - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5e93918d25ea - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5e93918d25ea - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5e93918d25ea - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5e93918ccab4 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5e93918ccab4 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5e93918d50e2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5e93918d50e2 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5e93918d50e2 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5e93918d50e2 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5e93918d50e2 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5e93918d50e2 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5e93918d50e2 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5e9391c80a1f - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5e9391c80a1f - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x70f4ee00aaa4 - <unknown>
[INFO] [stdout]   44:     0x70f4ee097a64 - 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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c83c5a7aaa6e7d33f6fd12ed63fa774f61febba3ad0ea65e25284d0f5dde85ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83c5a7aaa6e7d33f6fd12ed63fa774f61febba3ad0ea65e25284d0f5dde85ba", kill_on_drop: false }`
[INFO] [stdout] c83c5a7aaa6e7d33f6fd12ed63fa774f61febba3ad0ea65e25284d0f5dde85ba
