[INFO] cloning repository https://github.com/tsullens/arc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsullens/arc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd8a8a6cdb2ffe7c7b67f65b9a302a8232f09a18
[INFO] checking tsullens/arc against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tsullens/arc
[INFO] finished tweaking git repo https://github.com/tsullens/arc
[INFO] tweaked toml for git repo https://github.com/tsullens/arc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tsullens/arc on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tsullens/arc 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `arc` (manifest) generated 1 warning
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16
[INFO] running `Command { std: "docker" "start" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `arc` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.40
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[INFO] [stderr]     Checking memchr v0.1.11
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[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_test v0.8.23
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[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking config v0.8.0
[INFO] [stderr]     Checking arc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/commands.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     /*
[INFO] [stdout] 15 | |      * I have no idea if this makes sense or if it is correct.
[INFO] [stdout] 16 | |      * I'm not actually sure if this is thread safe either...
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     };
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:52:59
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(stream: &'a TcpStream) -> Result<Self, Box<error::Error>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(stream: &'a TcpStream) -> Result<Self, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/commands.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/commands.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     /*
[INFO] [stdout] 15 | |      * I have no idea if this makes sense or if it is correct.
[INFO] [stdout] 16 | |      * I'm not actually sure if this is thread safe either...
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     };
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:52:59
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(stream: &'a TcpStream) -> Result<Self, Box<error::Error>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(stream: &'a TcpStream) -> Result<Self, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/commands.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConfigError` is never constructed
[INFO] [stdout]    --> src/server.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct ConfigError;
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inc_key_count` is never used
[INFO] [stdout]    --> src/server.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl ArcServer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn inc_key_count(&self) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConfigError` is never constructed
[INFO] [stdout]    --> src/server.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct ConfigError;
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config`, `db`, and `key_count` are never read
[INFO] [stdout]    --> src/server.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct ArcServer {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 143 |     pub config: Config,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 144 |     pub db: RwLock<Database>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 145 |     pub key_count: Arc<AtomicUsize>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArcServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inc_key_count` and `dec_key_count` are never used
[INFO] [stdout]    --> src/server.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl ArcServer {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn inc_key_count(&self) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn dec_key_count(&self) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/commands.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Command {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ping_command` is never used
[INFO] [stdout]   --> src/commands.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn ping_command(_server: &mut Arc<ArcServer>, _args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `config_command` is never used
[INFO] [stdout]   --> src/commands.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn config_command(server: &mut Arc<ArcServer>, args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `config_get_command` is never used
[INFO] [stdout]   --> src/commands.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn config_get_command(server: &mut Arc<ArcServer>, key: &str) -> ClientResponse {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_command` is never used
[INFO] [stdout]   --> src/commands.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn set_command(server: &mut Arc<ArcServer>, args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_command` is never used
[INFO] [stdout]    --> src/commands.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn get_command(server: &mut Arc<ArcServer>, args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `del_command` is never used
[INFO] [stdout]    --> src/commands.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn del_command(server: &mut Arc<ArcServer>, args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sadd_command` is never used
[INFO] [stdout]    --> src/commands.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn sadd_command(server: &mut Arc<ArcServer>, args: &Vec<&str>) -> ClientResponse {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/database.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Database {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |      db: HashMap<String, DatabaseVal>,
[INFO] [stdout]   |      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Database` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update`, `update_string`, `update_or_insert_set`, `try_update_set`, `get`, and `delete` are never used
[INFO] [stdout]   --> src/database.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Database {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn update(&mut self, key: &str, val: DatabaseVal) -> () {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn update_string(&mut self, key: &str, val: &str) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn update_or_insert_set(&mut self, key: &str, vals: &Vec<&str>) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn try_update_set(&mut self, key: &str, vals: &Vec<&str>) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get(&self, key: &str) -> Option<&DatabaseVal> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn delete(&mut self, key: &str) -> Result<(), DatabaseError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseError` is never constructed
[INFO] [stdout]   --> src/database.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct DatabaseError(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `StringVal` and `SetVal` are never constructed
[INFO] [stdout]   --> src/database.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub enum DatabaseVal {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 94 |     StringVal(StringValType),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 95 |     SetVal(SetValType),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/database.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl DatabaseVal {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 99 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> src/database.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl StringValType {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 123 |     pub fn from(val: &str) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `add` are never used
[INFO] [stdout]    --> src/database.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl SetValType {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 145 |     pub fn from(vals: &Vec<&str>) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn add(&mut self, vals: &Vec<&str>) -> () {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16", kill_on_drop: false }`
[INFO] [stdout] 2ab9d2697bcea64ffab67c9df9053521580c4bf16651fde704e4a6e8be348e16
