[INFO] fetching crate syslogio 0.2.1...
[INFO] checking syslogio-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate syslogio 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate syslogio 0.2.1
[INFO] finished tweaking crates.io crate syslogio 0.2.1
[INFO] tweaked toml for crates.io crate syslogio 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syslogio 0.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syslogio 0.2.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26c80bd83ed6ef1849a2ea0011d2db77968e774a1cb55e8be3736c22b60ab1e7
[INFO] running `Command { std: "docker" "start" "-a" "26c80bd83ed6ef1849a2ea0011d2db77968e774a1cb55e8be3736c22b60ab1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c80bd83ed6ef1849a2ea0011d2db77968e774a1cb55e8be3736c22b60ab1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c80bd83ed6ef1849a2ea0011d2db77968e774a1cb55e8be3736c22b60ab1e7", kill_on_drop: false }`
[INFO] [stdout] 26c80bd83ed6ef1849a2ea0011d2db77968e774a1cb55e8be3736c22b60ab1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6804df3e713169ca38959913d9e869d8f7c33fd7fe66e9d8282619db4cf307f6
[INFO] running `Command { std: "docker" "start" "-a" "6804df3e713169ca38959913d9e869d8f7c33fd7fe66e9d8282619db4cf307f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking tai64 v4.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking multistream-batch v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking syslogio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn parse(message: &[u8], timestamp: Option<DateTime<FixedOffset>>) -> Option<(SyslogHeader, &[u8])> {
[INFO] [stdout]     |                           ^^^^^                                                       ^^^^^^^^^^^^  ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |                                                           |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn parse(message: &[u8], timestamp: Option<DateTime<FixedOffset>>) -> Option<(SyslogHeader<'_>, &[u8])> {
[INFO] [stdout]     |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn datagram(&mut self, syslog: &SyslogHeader, timestamp_rfc3339: bool) -> Result<SyslogDatagram, IoError> {
[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] 194 |     pub fn datagram(&mut self, syslog: &SyslogHeader, timestamp_rfc3339: bool) -> Result<SyslogDatagram<'_>, IoError> {
[INFO] [stdout]     |                                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn parse(message: &[u8], timestamp: Option<DateTime<FixedOffset>>) -> Option<(SyslogHeader, &[u8])> {
[INFO] [stdout]     |                           ^^^^^                                                       ^^^^^^^^^^^^  ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |                                                           |
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn parse(message: &[u8], timestamp: Option<DateTime<FixedOffset>>) -> Option<(SyslogHeader<'_>, &[u8])> {
[INFO] [stdout]     |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn datagram(&mut self, syslog: &SyslogHeader, timestamp_rfc3339: bool) -> Result<SyslogDatagram, IoError> {
[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] 194 |     pub fn datagram(&mut self, syslog: &SyslogHeader, timestamp_rfc3339: bool) -> Result<SyslogDatagram<'_>, IoError> {
[INFO] [stdout]     |                                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// Regex to match stream ID to demultiplex ordered streams of log lines by
[INFO] [stdout] 31 | |     #[structopt(long, short = "i")]
[INFO] [stdout] 32 | |     stream_id_pattern: Option<String>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Path to syslog socket
[INFO] [stdout] 55 | |     #[structopt(long, short = "u", default_value = "/dev/log")]
[INFO] [stdout] 56 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// Log with syslog facility
[INFO] [stdout] 59 | |     #[structopt(long, short = "f", default_value = "user")]
[INFO] [stdout] 60 | |     facility: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Log with syslog severity
[INFO] [stdout] 63 | |     #[structopt(long, short = "r", default_value = "notice")]
[INFO] [stdout] 64 | |     severity: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     /// Name of program producing the logs (syslog tag)
[INFO] [stdout] 72 | |     program: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Regex to match first or last line of a message
[INFO] [stdout] 75 | |     message_pattern: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// Regex to match stream ID to demultiplex ordered streams of log lines by
[INFO] [stdout] 31 | |     #[structopt(long, short = "i")]
[INFO] [stdout] 32 | |     stream_id_pattern: Option<String>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     /// Path to syslog socket
[INFO] [stdout] 55 | |     #[structopt(long, short = "u", default_value = "/dev/log")]
[INFO] [stdout] 56 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// Log with syslog facility
[INFO] [stdout] 59 | |     #[structopt(long, short = "f", default_value = "user")]
[INFO] [stdout] 60 | |     facility: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Log with syslog severity
[INFO] [stdout] 63 | |     #[structopt(long, short = "r", default_value = "notice")]
[INFO] [stdout] 64 | |     severity: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     /// Name of program producing the logs (syslog tag)
[INFO] [stdout] 72 | |     program: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-mlogger.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     /// Regex to match first or last line of a message
[INFO] [stdout] 75 | |     message_pattern: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Path to syslog socket
[INFO] [stdout] 26 | |     #[structopt(long, short = "u", default_value = "/dev/log")]
[INFO] [stdout] 27 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Log with syslog facility
[INFO] [stdout] 30 | |     #[structopt(long, short = "f", default_value = "user")]
[INFO] [stdout] 31 | |     facility: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Log with syslog severity
[INFO] [stdout] 34 | |     #[structopt(long, short = "r", default_value = "notice")]
[INFO] [stdout] 35 | |     severity: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Name of program producing the logs (syslog tag)
[INFO] [stdout] 47 | |     program: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Message to write to syslog; otherwise read from standard input
[INFO] [stdout] 50 | |     message: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-mlogger") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-mlogger" test) due to 6 previous errors
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-logger") due to 5 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// Use this hostname instead of system provided
[INFO] [stdout] 31 | |     #[structopt(short = "H", long)]
[INFO] [stdout] 32 | |     hostname: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// Syslog socket
[INFO] [stdout] 41 | |     #[structopt(default_value = "/dev/log")]
[INFO] [stdout] 42 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         /// Escape sequence to replace new line control character
[INFO] [stdout] 60 | |         #[structopt(short = "n", long, default_value = "#012")]
[INFO] [stdout] 61 | |         newline_escape: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-unix") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// Use this hostname instead of system provided
[INFO] [stdout] 31 | |     #[structopt(short = "H", long)]
[INFO] [stdout] 32 | |     hostname: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// Syslog socket
[INFO] [stdout] 41 | |     #[structopt(default_value = "/dev/log")]
[INFO] [stdout] 42 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-unix.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         /// Escape sequence to replace new line control character
[INFO] [stdout] 60 | |         #[structopt(short = "n", long, default_value = "#012")]
[INFO] [stdout] 61 | |         newline_escape: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Path to syslog socket
[INFO] [stdout] 26 | |     #[structopt(long, short = "u", default_value = "/dev/log")]
[INFO] [stdout] 27 | |     syslog_socket: PathBuf,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Log with syslog facility
[INFO] [stdout] 30 | |     #[structopt(long, short = "f", default_value = "user")]
[INFO] [stdout] 31 | |     facility: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Log with syslog severity
[INFO] [stdout] 34 | |     #[structopt(long, short = "r", default_value = "notice")]
[INFO] [stdout] 35 | |     severity: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Name of program producing the logs (syslog tag)
[INFO] [stdout] 47 | |     program: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/syslog-logger.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Message to write to syslog; otherwise read from standard input
[INFO] [stdout] 50 | |     message: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-unix" test) due to 3 previous errors
[INFO] [stderr] error: could not compile `syslogio` (bin "syslog-logger" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "6804df3e713169ca38959913d9e869d8f7c33fd7fe66e9d8282619db4cf307f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6804df3e713169ca38959913d9e869d8f7c33fd7fe66e9d8282619db4cf307f6", kill_on_drop: false }`
[INFO] [stdout] 6804df3e713169ca38959913d9e869d8f7c33fd7fe66e9d8282619db4cf307f6
