[INFO] fetching crate serial-unit-testing 0.2.4...
[INFO] testing serial-unit-testing-0.2.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serial-unit-testing 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serial-unit-testing 0.2.4
[INFO] finished tweaking crates.io crate serial-unit-testing 0.2.4
[INFO] tweaked toml for crates.io crate serial-unit-testing 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-unit-testing 0.2.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serial-unit-testing 0.2.4 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded colored v1.9.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded crossterm v0.17.5
[INFO] [stderr]   Downloaded mio v0.6.21
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded tui v0.9.5
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 731b9e3b7db2c03405cb42720b313aef30c99ba3a2ca785e6e283e1ed509c95c
[INFO] running `Command { std: "docker" "start" "-a" "731b9e3b7db2c03405cb42720b313aef30c99ba3a2ca785e6e283e1ed509c95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731b9e3b7db2c03405cb42720b313aef30c99ba3a2ca785e6e283e1ed509c95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731b9e3b7db2c03405cb42720b313aef30c99ba3a2ca785e6e283e1ed509c95c", kill_on_drop: false }`
[INFO] [stdout] 731b9e3b7db2c03405cb42720b313aef30c99ba3a2ca785e6e283e1ed509c95c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a4d7098ca169b0269a38f8c390244e7b5e65313c4a05d0ba12ab40a018ef590
[INFO] running `Command { std: "docker" "start" "-a" "0a4d7098ca169b0269a38f8c390244e7b5e65313c4a05d0ba12ab40a018ef590", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.17.5
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling tui v0.9.5
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling serial-unit-testing v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/monitor/help_window.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_entry(&self, length: usize) -> [Text; 3] {
[INFO] [stdout]    |                      ^^^^^                     ---- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_entry(&self, length: usize) -> [Text<'_>; 3] {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/monitor/help_window.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ the lifetime is elided here        ---- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text<'_>> {
[INFO] [stdout]    |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "0a4d7098ca169b0269a38f8c390244e7b5e65313c4a05d0ba12ab40a018ef590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4d7098ca169b0269a38f8c390244e7b5e65313c4a05d0ba12ab40a018ef590", kill_on_drop: false }`
[INFO] [stdout] 0a4d7098ca169b0269a38f8c390244e7b5e65313c4a05d0ba12ab40a018ef590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13f7ee0d8c297374f900e816419d4f313edc4b5c65e3c0d9232505509e29535
[INFO] running `Command { std: "docker" "start" "-a" "c13f7ee0d8c297374f900e816419d4f313edc4b5c65e3c0d9232505509e29535", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-unit-testing v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/monitor/help_window.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_entry(&self, length: usize) -> [Text; 3] {
[INFO] [stdout]    |                      ^^^^^                     ---- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_entry(&self, length: usize) -> [Text<'_>; 3] {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/monitor/help_window.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^ the lifetime is elided here        ---- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text<'_>> {
[INFO] [stdout]    |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c13f7ee0d8c297374f900e816419d4f313edc4b5c65e3c0d9232505509e29535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13f7ee0d8c297374f900e816419d4f313edc4b5c65e3c0d9232505509e29535", kill_on_drop: false }`
[INFO] [stdout] c13f7ee0d8c297374f900e816419d4f313edc4b5c65e3c0d9232505509e29535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc72c6124726fe281d4e957539f0c796fec25648d8c7eeb89afed8b13f178da0
[INFO] running `Command { std: "docker" "start" "-a" "dc72c6124726fe281d4e957539f0c796fec25648d8c7eeb89afed8b13f178da0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/monitor/help_window.rs:51:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_entry(&self, length: usize) -> [Text; 3] {
[INFO] [stderr]    |                      ^^^^^                     ---- the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_entry(&self, length: usize) -> [Text<'_>; 3] {
[INFO] [stderr]    |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/monitor/help_window.rs:96:44
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^ the lifetime is elided here        ---- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn get_help_text_entries(help_entries: &Vec<HelpEntry>, skip: usize, count: usize) -> Vec<Text<'_>> {
[INFO] [stderr]    |                                                                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `serial-unit-testing` (bin "sut" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_unit_testing-b2b3471d60664bc5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sut-df0170a4722d11aa)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests serial_unit_testing
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/serial/mod.rs - serial::Serial::open_with_settings (line 88) ... FAILED
[INFO] [stdout] test src/serial/mod.rs - serial::Serial::open (line 64) ... FAILED
[INFO] [stdout] test src/serial/mod.rs - serial::Serial::read (line 286) ... FAILED
[INFO] [stdout] test src/serial/mod.rs - serial::Serial::write_format (line 247) ... FAILED
[INFO] [stdout] test src/serial/mod.rs - serial::Serial::check (line 579) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/serial/mod.rs - serial::Serial::open_with_settings (line 88) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/serial/mod.rs:98:65
[INFO] [stdout]     |
[INFO] [stdout]  12 |     let mut serial = Serial::open_with_settings("/dev/ttyACM0", &settings)?;
[INFO] [stdout]     |                      --------------------------                 ^^^^^^^^^ expected `Settings`, found `&Settings`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/serial/mod.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn open_with_settings(port_name: &str, settings: settings::Settings) -> Result<Serial> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout]  12 -     let mut serial = Serial::open_with_settings("/dev/ttyACM0", &settings)?;
[INFO] [stdout]  12 +     let mut serial = Serial::open_with_settings("/dev/ttyACM0", settings)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/serial/mod.rs - serial::Serial::open (line 64) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Serial(Error { kind: Unknown, description: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/serial/mod.rs - serial::Serial::read (line 286) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Serial(Error { kind: Unknown, description: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/serial/mod.rs - serial::Serial::write_format (line 247) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Serial(Error { kind: Unknown, description: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/serial/mod.rs - serial::Serial::check (line 579) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Serial(Error { kind: Unknown, description: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/serial/mod.rs - serial::Serial::check (line 579)
[INFO] [stdout]     src/serial/mod.rs - serial::Serial::open (line 64)
[INFO] [stdout]     src/serial/mod.rs - serial::Serial::open_with_settings (line 88)
[INFO] [stdout]     src/serial/mod.rs - serial::Serial::read (line 286)
[INFO] [stdout]     src/serial/mod.rs - serial::Serial::write_format (line 247)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "dc72c6124726fe281d4e957539f0c796fec25648d8c7eeb89afed8b13f178da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc72c6124726fe281d4e957539f0c796fec25648d8c7eeb89afed8b13f178da0", kill_on_drop: false }`
[INFO] [stdout] dc72c6124726fe281d4e957539f0c796fec25648d8c7eeb89afed8b13f178da0
