[INFO] fetching crate bulletin-board-server 0.3.3...
[INFO] linting bulletin-board-server-0.3.3 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate bulletin-board-server 0.3.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate bulletin-board-server 0.3.3
[INFO] finished tweaking crates.io crate bulletin-board-server 0.3.3
[INFO] tweaked toml for crates.io crate bulletin-board-server 0.3.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bulletin-board-server 0.3.3 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bulletin-board-server 0.3.3 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bulletin-board-common v0.3.2
[INFO] [stderr]   Downloaded anstyle v1.0.9
[INFO] [stderr]   Downloaded anstream v0.6.17
[INFO] [stderr]   Downloaded cc v1.1.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2123ed0ce79ea9b4394d4a3ecff6ee71eb2ad8df647fe77513001fcde0d043
[INFO] running `Command { std: "docker" "start" "-a" "ec2123ed0ce79ea9b4394d4a3ecff6ee71eb2ad8df647fe77513001fcde0d043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2123ed0ce79ea9b4394d4a3ecff6ee71eb2ad8df647fe77513001fcde0d043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2123ed0ce79ea9b4394d4a3ecff6ee71eb2ad8df647fe77513001fcde0d043", kill_on_drop: false }`
[INFO] [stdout] ec2123ed0ce79ea9b4394d4a3ecff6ee71eb2ad8df647fe77513001fcde0d043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425f0b0a4f46897f7de423b61ab97c1b0770e0e282499870d976734dba5cb29a
[INFO] running `Command { std: "docker" "start" "-a" "425f0b0a4f46897f7de423b61ab97c1b0770e0e282499870d976734dba5cb29a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking anstyle v1.0.9
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking parse-size v1.1.0
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking anstream v0.6.17
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking clap v4.5.54
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bulletin-board-common v0.3.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking bulletin-board-server v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |               BulletinBackend::Archive(_) => Err(std::io::Error::new(
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 37 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 38 | |                 "Archive is read only.",
[INFO] [stdout] 39 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]    = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             BulletinBackend::Archive(_) => Err(std::io::Error::other(
[INFO] [stdout] 37 ~                 "Archive is read only.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |                   None => Err(std::io::Error::new(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 52 | |                     std::io::ErrorKind::Other,
[INFO] [stdout] 53 | |                     "File is not opened.",
[INFO] [stdout] 54 | |                 )),
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 51 ~                 None => Err(std::io::Error::other(
[INFO] [stdout] 52 ~                     "File is not opened.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:56:48
[INFO] [stdout]    |
[INFO] [stdout] 56 |               BulletinBackend::Archive(_) => Err(std::io::Error::new(
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 57 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 58 | |                 "Archive is read only.",
[INFO] [stdout] 59 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 56 ~             BulletinBackend::Archive(_) => Err(std::io::Error::other(
[INFO] [stdout] 57 ~                 "Archive is read only.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/bulletin.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |               _ => Err(std::io::Error::new(
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 165 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 166 | |                 "Already moved out of memory.",
[INFO] [stdout] 167 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 164 ~             _ => Err(std::io::Error::other(
[INFO] [stdout] 165 ~                 "Already moved out of memory.",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/error.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         <Self as Display>::fmt(&self, f)
[INFO] [stdout]    |                                ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/error.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 |         <Self as Display>::fmt(&self, f)
[INFO] [stdout]    |                                ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `ServerOptions`
[INFO] [stdout]   --> src/server.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     pub fn new() -> Self {
[INFO] [stdout] 36 | |         Self {
[INFO] [stdout] 37 | |             debug: false,
[INFO] [stdout] 38 | |             listen_addr: None,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 34 + impl Default for ServerOptions {
[INFO] [stdout] 35 +     fn default() -> Self {
[INFO] [stdout] 36 +         Self::new()
[INFO] [stdout] 37 +     }
[INFO] [stdout] 38 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/server.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     if !LISTEN_ADDR.to_socket_addrs().is_ok() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `LISTEN_ADDR.to_socket_addrs().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/server.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 | /                     if !LISTEN_ADDR.to_socket_addrs().is_ok() {
[INFO] [stdout] 289 | |                         if std::path::Path::new(&*LISTEN_ADDR).exists() {
[INFO] [stdout] 290 | |                             std::fs::remove_file(&*LISTEN_ADDR)?;
[INFO] [stdout] 291 | |                         }
[INFO] [stdout] 292 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 288 ~                     if !LISTEN_ADDR.to_socket_addrs().is_ok()
[INFO] [stdout] 289 ~                         && std::path::Path::new(&*LISTEN_ADDR).exists() {
[INFO] [stdout] 290 |                             std::fs::remove_file(&*LISTEN_ADDR)?;
[INFO] [stdout] 291 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:436:24
[INFO] [stdout]     |
[INFO] [stdout] 436 |         logging::debug(format!("(version)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(version).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:445:24
[INFO] [stdout]     |
[INFO] [stdout] 445 |         logging::debug(format!("(status)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(status).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:454:24
[INFO] [stdout]     |
[INFO] [stdout] 454 |         logging::debug(format!("(log)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(log).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:467:24
[INFO] [stdout]     |
[INFO] [stdout] 467 |         logging::debug(format!("(view_board)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(view_board).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:552:12
[INFO] [stdout]     |
[INFO] [stdout] 552 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:579:12
[INFO] [stdout]     |
[INFO] [stdout] 579 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:595:24
[INFO] [stdout]     |
[INFO] [stdout] 595 |         logging::debug(format!("(list_archive)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(list_archive).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:613:12
[INFO] [stdout]     |
[INFO] [stdout] 613 |         if acv_from.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_from.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:620:12
[INFO] [stdout]     |
[INFO] [stdout] 620 |         if acv_to.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_to.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:636:12
[INFO] [stdout]     |
[INFO] [stdout] 636 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:652:12
[INFO] [stdout]     |
[INFO] [stdout] 652 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:668:12
[INFO] [stdout]     |
[INFO] [stdout] 668 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:681:24
[INFO] [stdout]     |
[INFO] [stdout] 681 |         logging::debug(format!("(clear_log)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(clear_log).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:688:24
[INFO] [stdout]     |
[INFO] [stdout] 688 |         logging::debug(format!("(restore/reset/exit)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(restore/reset/exit).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |               BulletinBackend::Archive(_) => Err(std::io::Error::new(
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 37 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 38 | |                 "Archive is read only.",
[INFO] [stdout] 39 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]    = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             BulletinBackend::Archive(_) => Err(std::io::Error::other(
[INFO] [stdout] 37 ~                 "Archive is read only.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |                   None => Err(std::io::Error::new(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 52 | |                     std::io::ErrorKind::Other,
[INFO] [stdout] 53 | |                     "File is not opened.",
[INFO] [stdout] 54 | |                 )),
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 51 ~                 None => Err(std::io::Error::other(
[INFO] [stdout] 52 ~                     "File is not opened.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/bulletin.rs:56:48
[INFO] [stdout]    |
[INFO] [stdout] 56 |               BulletinBackend::Archive(_) => Err(std::io::Error::new(
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 57 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 58 | |                 "Archive is read only.",
[INFO] [stdout] 59 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 56 ~             BulletinBackend::Archive(_) => Err(std::io::Error::other(
[INFO] [stdout] 57 ~                 "Archive is read only.",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/bulletin.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |               _ => Err(std::io::Error::new(
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 165 | |                 std::io::ErrorKind::Other,
[INFO] [stdout] 166 | |                 "Already moved out of memory.",
[INFO] [stdout] 167 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 164 ~             _ => Err(std::io::Error::other(
[INFO] [stdout] 165 ~                 "Already moved out of memory.",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/error.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         <Self as Display>::fmt(&self, f)
[INFO] [stdout]    |                                ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/error.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 |         <Self as Display>::fmt(&self, f)
[INFO] [stdout]    |                                ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `ServerOptions`
[INFO] [stdout]   --> src/server.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     pub fn new() -> Self {
[INFO] [stdout] 36 | |         Self {
[INFO] [stdout] 37 | |             debug: false,
[INFO] [stdout] 38 | |             listen_addr: None,
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 34 + impl Default for ServerOptions {
[INFO] [stdout] 35 +     fn default() -> Self {
[INFO] [stdout] 36 +         Self::new()
[INFO] [stdout] 37 +     }
[INFO] [stdout] 38 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/server.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     if !LISTEN_ADDR.to_socket_addrs().is_ok() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `LISTEN_ADDR.to_socket_addrs().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/server.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 | /                     if !LISTEN_ADDR.to_socket_addrs().is_ok() {
[INFO] [stdout] 289 | |                         if std::path::Path::new(&*LISTEN_ADDR).exists() {
[INFO] [stdout] 290 | |                             std::fs::remove_file(&*LISTEN_ADDR)?;
[INFO] [stdout] 291 | |                         }
[INFO] [stdout] 292 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 288 ~                     if !LISTEN_ADDR.to_socket_addrs().is_ok()
[INFO] [stdout] 289 ~                         && std::path::Path::new(&*LISTEN_ADDR).exists() {
[INFO] [stdout] 290 |                             std::fs::remove_file(&*LISTEN_ADDR)?;
[INFO] [stdout] 291 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:436:24
[INFO] [stdout]     |
[INFO] [stdout] 436 |         logging::debug(format!("(version)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(version).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:445:24
[INFO] [stdout]     |
[INFO] [stdout] 445 |         logging::debug(format!("(status)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(status).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:454:24
[INFO] [stdout]     |
[INFO] [stdout] 454 |         logging::debug(format!("(log)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(log).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:467:24
[INFO] [stdout]     |
[INFO] [stdout] 467 |         logging::debug(format!("(view_board)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(view_board).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:552:12
[INFO] [stdout]     |
[INFO] [stdout] 552 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:579:12
[INFO] [stdout]     |
[INFO] [stdout] 579 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:595:24
[INFO] [stdout]     |
[INFO] [stdout] 595 |         logging::debug(format!("(list_archive)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(list_archive).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:613:12
[INFO] [stdout]     |
[INFO] [stdout] 613 |         if acv_from.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_from.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:620:12
[INFO] [stdout]     |
[INFO] [stdout] 620 |         if acv_to.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_to.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:636:12
[INFO] [stdout]     |
[INFO] [stdout] 636 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:652:12
[INFO] [stdout]     |
[INFO] [stdout] 652 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/server.rs:668:12
[INFO] [stdout]     |
[INFO] [stdout] 668 |         if acv_name.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `acv_name.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:681:24
[INFO] [stdout]     |
[INFO] [stdout] 681 |         logging::debug(format!("(clear_log)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(clear_log).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/server.rs:688:24
[INFO] [stdout]     |
[INFO] [stdout] 688 |         logging::debug(format!("(restore/reset/exit)."));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"(restore/reset/exit).".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "425f0b0a4f46897f7de423b61ab97c1b0770e0e282499870d976734dba5cb29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425f0b0a4f46897f7de423b61ab97c1b0770e0e282499870d976734dba5cb29a", kill_on_drop: false }`
[INFO] [stdout] 425f0b0a4f46897f7de423b61ab97c1b0770e0e282499870d976734dba5cb29a