[INFO] fetching crate simple-irc-server 0.1.8...
[INFO] checking simple-irc-server-0.1.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate simple-irc-server 0.1.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate simple-irc-server 0.1.8
[INFO] finished tweaking crates.io crate simple-irc-server 0.1.8
[INFO] tweaked toml for crates.io crate simple-irc-server 0.1.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-irc-server 0.1.8 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 simple-irc-server 0.1.8 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b120bcd8e6c1a73c113a4585dc06b7d6dc28812552f0e923d5ebd074313806b
[INFO] running `Command { std: "docker" "start" "-a" "9b120bcd8e6c1a73c113a4585dc06b7d6dc28812552f0e923d5ebd074313806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b120bcd8e6c1a73c113a4585dc06b7d6dc28812552f0e923d5ebd074313806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b120bcd8e6c1a73c113a4585dc06b7d6dc28812552f0e923d5ebd074313806b", kill_on_drop: false }`
[INFO] [stdout] 9b120bcd8e6c1a73c113a4585dc06b7d6dc28812552f0e923d5ebd074313806b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8640189e2d29df6323ab84909dd4ba53dc2768c59e4d91f798c622682dd7add
[INFO] running `Command { std: "docker" "start" "-a" "a8640189e2d29df6323ab84909dd4ba53dc2768c59e4d91f798c622682dd7add", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flagset v0.4.6
[INFO] [stderr]     Checking argon2 v0.4.1
[INFO] [stderr]     Checking validator_types v0.14.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling const-table v0.1.0
[INFO] [stderr]    Compiling validator_derive v0.14.0
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking validator v0.14.0
[INFO] [stderr]     Checking rpassword v6.0.1
[INFO] [stderr]     Checking simple-irc-server v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]    --> src/state/rest_cmds.rs:606:50
[INFO] [stdout]     |
[INFO] [stdout] 606 | ...                   DateTime::<Utc>::from_utc(
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/state/rest_cmds.rs:607:52
[INFO] [stdout]     |
[INFO] [stdout] 607 | ...                   NaiveDateTime::from_timestamp(entry.signon as i64, 0),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]    --> src/state/rest_cmds.rs:606:50
[INFO] [stdout]     |
[INFO] [stdout] 606 | ...                   DateTime::<Utc>::from_utc(
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/state/rest_cmds.rs:607:52
[INFO] [stdout]     |
[INFO] [stdout] 607 | ...                   NaiveDateTime::from_timestamp(entry.signon as i64, 0),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub(crate) password: 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     config: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     network: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     tls_cert_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     tls_cert_key_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     log_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-irc-server` (bin "simple-irc-server") due to 7 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2432:38
[INFO] [stdout]      |
[INFO] [stdout] 2432 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2433:40
[INFO] [stdout]      |
[INFO] [stdout] 2433 |                         NaiveDateTime::from_timestamp(signon1 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2440:38
[INFO] [stdout]      |
[INFO] [stdout] 2440 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2441:40
[INFO] [stdout]      |
[INFO] [stdout] 2441 |                         NaiveDateTime::from_timestamp(signon2 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2464:38
[INFO] [stdout]      |
[INFO] [stdout] 2464 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2465:40
[INFO] [stdout]      |
[INFO] [stdout] 2465 |                         NaiveDateTime::from_timestamp(signon1 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2497:38
[INFO] [stdout]      |
[INFO] [stdout] 2497 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2498:40
[INFO] [stdout]      |
[INFO] [stdout] 2498 |                         NaiveDateTime::from_timestamp(signon0 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2505:38
[INFO] [stdout]      |
[INFO] [stdout] 2505 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2506:40
[INFO] [stdout]      |
[INFO] [stdout] 2506 |                         NaiveDateTime::from_timestamp(signon1 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2513:38
[INFO] [stdout]      |
[INFO] [stdout] 2513 |                     DateTime::<Utc>::from_utc(
[INFO] [stdout]      |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]     --> src/state/rest_cmds.rs:2514:40
[INFO] [stdout]      |
[INFO] [stdout] 2514 |                         NaiveDateTime::from_timestamp(signon2 as i64, 0),
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/state/channel_cmds.rs:1180:21
[INFO] [stdout]      |
[INFO] [stdout] 1180 |                 let mut chmodes = &mut state.channels.get_mut("#secrets").unwrap().modes;
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/state/channel_cmds.rs:1249:21
[INFO] [stdout]      |
[INFO] [stdout] 1249 |                 let mut chmodes = &mut state.channels.get_mut("#exclusive").unwrap().modes;
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/state/channel_cmds.rs:1462:21
[INFO] [stdout]      |
[INFO] [stdout] 1462 |                 let mut modes = &mut state.channels.get_mut("#furnitures").unwrap().modes;
[INFO] [stdout]      |                     ----^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub(crate) password: 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     config: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     network: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     tls_cert_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     tls_cert_key_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/config.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     log_file: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-irc-server` (bin "simple-irc-server" test) due to 7 previous errors; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a8640189e2d29df6323ab84909dd4ba53dc2768c59e4d91f798c622682dd7add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8640189e2d29df6323ab84909dd4ba53dc2768c59e4d91f798c622682dd7add", kill_on_drop: false }`
[INFO] [stdout] a8640189e2d29df6323ab84909dd4ba53dc2768c59e4d91f798c622682dd7add
