[INFO] fetching crate ultimate_logger 1.0.4...
[INFO] testing ultimate_logger-1.0.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ultimate_logger 1.0.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ultimate_logger 1.0.4
[INFO] finished tweaking crates.io crate ultimate_logger 1.0.4
[INFO] tweaked toml for crates.io crate ultimate_logger 1.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ultimate_logger 1.0.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ultimate_logger 1.0.4 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `ultimate_logger` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded iana-time-zone v0.1.53
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194
[INFO] running `Command { std: "docker" "start" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `ultimate_logger` (manifest) generated 1 warning
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling ultimate_logger v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `ultimate_logger` (manifest) generated 1 warning
[INFO] [stderr]    Compiling ultimate_logger v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `ultimate_logger` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/ultimate_logger-b8c71e384481d7c9)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test log_level::tests::test_log_level_order ... ok
[INFO] [stdout] test log_level::tests::test_color_string ... ok
[INFO] [stdout] test log_level::tests::test_to_string ... ok
[INFO] [stdout] test tests::log_should_return_false_if_level_is_below_min_level ... ok
[INFO] [stdout] test tests::new_logger_should_not_write_to_file ... ok
[INFO] [stdout] test tests::new_logger_should_have_correct_min_level ... ok
[INFO] [stdout] test tests::get_colored_level_name_should_return_correct_string_for_critical ... ok
[INFO] [stdout] test tests::new_logger_should_write_to_console ... ok
[INFO] [stdout] test tests::new_default_logger_should_have_level_trace ... ok
[INFO] [stdout] test tests::log_should_return_true_if_level_is_equal_to_min_level ... ok
[INFO] [stdout] test tests::log_should_return_true_if_level_is_above_min_level ... ok
[INFO] [stdout] test tests::get_colored_message_should_return_correct_string_for_critical ... ok
[INFO] [stdout] test tests::new_logger_to_file_should_have_correct_min_level ... FAILED
[INFO] [stdout] test tests::new_logger_to_file_which_also_writes_to_console_should_enable_write_to_console ... FAILED
[INFO] [stdout] test tests::new_logger_to_file_which_does_not_write_to_console_should_disable_write_to_console ... FAILED
[INFO] [stdout] test tests::new_logger_to_file_should_enable_write_to_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::new_logger_to_file_should_have_correct_min_level stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::new_logger_to_file_should_have_correct_min_level' (471) panicked at src/log_file.rs:16:17:
[INFO] [stdout] Error opening log file: Read-only file system (os error 30)
[INFO] [stdout] Path to log file was: test.log
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cb65b7e6b71 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cb65b7fb23a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5cb65b7eb0bc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5cb65b7c26e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cb65b7dea29 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5cb65b76d310 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cb65b7debe2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cb65b7c2792 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cb65b7bb359 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cb65b7c338d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cb65b7fb96c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cb65b75de6a - <ultimate_logger[eab1cad16daca777]::log_file::LogFile>::new::{closure#0}
[INFO] [stdout]   12:     0x5cb65b75e028 - <ultimate_logger[eab1cad16daca777]::Logger>::new_to_file
[INFO] [stdout]   13:     0x5cb65b75f3c2 - <ultimate_logger[eab1cad16daca777]::tests::new_logger_to_file_should_have_correct_min_level::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cb65b7605fb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5cb65b76dc65 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cb65b767524 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cb65b770dc2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cb65b7e5db9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f524fefddfa - <unknown>
[INFO] [stdout]   20:     0x7f524ff913d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::new_logger_to_file_which_also_writes_to_console_should_enable_write_to_console stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::new_logger_to_file_which_also_writes_to_console_should_enable_write_to_console' (472) panicked at src/log_file.rs:16:17:
[INFO] [stdout] Error opening log file: Read-only file system (os error 30)
[INFO] [stdout] Path to log file was: test.log
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cb65b7e6b71 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cb65b7fb23a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5cb65b7eb0bc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5cb65b7c26e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cb65b7dea29 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5cb65b76d310 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cb65b7debe2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cb65b7c2792 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cb65b7bb359 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cb65b7c338d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cb65b7fb96c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cb65b75de6a - <ultimate_logger[eab1cad16daca777]::log_file::LogFile>::new::{closure#0}
[INFO] [stdout]   12:     0x5cb65b75e028 - <ultimate_logger[eab1cad16daca777]::Logger>::new_to_file
[INFO] [stdout]   13:     0x5cb65b75faa5 - <ultimate_logger[eab1cad16daca777]::tests::new_logger_to_file_which_also_writes_to_console_should_enable_write_to_console::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cb65b7605fb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5cb65b76dc65 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cb65b767524 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cb65b770dc2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cb65b7e5db9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f524fefddfa - <unknown>
[INFO] [stdout]   20:     0x7f524ff913d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::new_logger_to_file_which_does_not_write_to_console_should_disable_write_to_console stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::new_logger_to_file_which_does_not_write_to_console_should_disable_write_to_console' (473) panicked at src/log_file.rs:16:17:
[INFO] [stdout] Error opening log file: Read-only file system (os error 30)
[INFO] [stdout] Path to log file was: test.log
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cb65b7e6b71 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cb65b7fb23a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5cb65b7eb0bc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5cb65b7c26e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cb65b7dea29 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5cb65b76d310 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cb65b7debe2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cb65b7c2792 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cb65b7bb359 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cb65b7c338d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cb65b7fb96c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cb65b75de6a - <ultimate_logger[eab1cad16daca777]::log_file::LogFile>::new::{closure#0}
[INFO] [stdout]   12:     0x5cb65b75e028 - <ultimate_logger[eab1cad16daca777]::Logger>::new_to_file
[INFO] [stdout]   13:     0x5cb65b75fc02 - <ultimate_logger[eab1cad16daca777]::tests::new_logger_to_file_which_does_not_write_to_console_should_disable_write_to_console::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cb65b7605fb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5cb65b76dc65 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cb65b767524 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cb65b770dc2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cb65b7e5db9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f524fefddfa - <unknown>
[INFO] [stdout]   20:     0x7f524ff913d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::new_logger_to_file_should_enable_write_to_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::new_logger_to_file_should_enable_write_to_file' (470) panicked at src/log_file.rs:16:17:
[INFO] [stdout] Error opening log file: Read-only file system (os error 30)
[INFO] [stdout] Path to log file was: test.log
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cb65b7e6b71 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cb65b7fb23a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5cb65b7eb0bc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5cb65b7c26e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cb65b7dea29 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5cb65b76d310 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cb65b7debe2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cb65b7c2792 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cb65b7bb359 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cb65b7c338d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cb65b7fb96c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cb65b75de6a - <ultimate_logger[eab1cad16daca777]::log_file::LogFile>::new::{closure#0}
[INFO] [stdout]   12:     0x5cb65b75e028 - <ultimate_logger[eab1cad16daca777]::Logger>::new_to_file
[INFO] [stdout]   13:     0x5cb65b75f262 - <ultimate_logger[eab1cad16daca777]::tests::new_logger_to_file_should_enable_write_to_file::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cb65b7605fb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5cb65b76dc65 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cb65b767524 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cb65b770dc2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cb65b7e5db9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f524fefddfa - <unknown>
[INFO] [stdout]   20:     0x7f524ff913d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::new_logger_to_file_should_enable_write_to_file
[INFO] [stdout]     tests::new_logger_to_file_should_have_correct_min_level
[INFO] [stdout]     tests::new_logger_to_file_which_also_writes_to_console_should_enable_write_to_console
[INFO] [stdout]     tests::new_logger_to_file_which_does_not_write_to_console_should_disable_write_to_console
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194", kill_on_drop: false }`
[INFO] [stdout] 2b93b233a1f389341b186d7cf5185a3db7179b630e96b84ed55d742b32663194
