[INFO] cloning repository https://github.com/inmemlab/memson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inmemlab/memson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finmemlab%2Fmemson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finmemlab%2Fmemson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2acce408d6cf4c94786f6aa99b35731348189f90
[INFO] checking inmemlab/memson against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finmemlab%2Fmemson" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inmemlab/memson on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inmemlab/memson
[INFO] finished tweaking git repo https://github.com/inmemlab/memson
[INFO] tweaked toml for git repo https://github.com/inmemlab/memson written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/inmemlab/memson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded sled v0.34.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4dda7abfbd0bba56793d2fc8dfb798004552fdb455e9e98e0b64382f2cb131f
[INFO] running `Command { std: "docker" "start" "-a" "e4dda7abfbd0bba56793d2fc8dfb798004552fdb455e9e98e0b64382f2cb131f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4dda7abfbd0bba56793d2fc8dfb798004552fdb455e9e98e0b64382f2cb131f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4dda7abfbd0bba56793d2fc8dfb798004552fdb455e9e98e0b64382f2cb131f", kill_on_drop: false }`
[INFO] [stdout] e4dda7abfbd0bba56793d2fc8dfb798004552fdb455e9e98e0b64382f2cb131f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a113dab703f6f2e11131b15518f602d6cbf2f8dc0ab49f0d1027189a228d14f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a113dab703f6f2e11131b15518f602d6cbf2f8dc0ab49f0d1027189a228d14f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
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[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.57
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[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
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[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
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[INFO] [stderr]    Compiling tokio-macros v0.2.5
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[INFO] [stderr]     Checking memson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json_obj`
[INFO] [stdout]  --> src/ondiskdb.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::json::{into_json_obj, json_obj, JsonObj};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json_obj`
[INFO] [stdout]  --> src/ondiskdb.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::json::{into_json_obj, json_obj, JsonObj};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/db.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_rows(val: &mut Json, rows: Vec<JsonObj>) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/db.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_rows(val: &mut Json, rows: Vec<JsonObj>) -> Result<(), Error> {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/inmemdb.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn gen_insert_entry(&mut self, key: String) -> (&mut Json, &mut usize) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/inmemdb.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn eval_query(&self, cmd: QueryCmd) -> Res<'_> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/ondiskdb.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn add_table(&mut self, key: &str, rows: &[JsonObj]) -> Result<(), Error> {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/ondiskdb.rs:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn add_table(&mut self, key: &str, rows: &[JsonObj]) -> Result<(), Error> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/db.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_rows(val: &mut Json, rows: Vec<JsonObj>) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/db.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_rows(val: &mut Json, rows: Vec<JsonObj>) -> Result<(), Error> {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/inmemdb.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn gen_insert_entry(&mut self, key: String) -> (&mut Json, &mut usize) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/inmemdb.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn eval_query(&self, cmd: QueryCmd) -> Res<'_> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/ondiskdb.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn add_table(&mut self, key: &str, rows: &[JsonObj]) -> Result<(), Error> {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]    --> src/ondiskdb.rs:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn add_table(&mut self, key: &str, rows: &[JsonObj]) -> Result<(), Error> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum`
[INFO] [stdout]   --> src/cmd.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn sum(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/cmd.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn get(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]   --> src/cmd.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn count(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max`
[INFO] [stdout]   --> src/cmd.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn max(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min`
[INFO] [stdout]   --> src/cmd.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn min(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `avg`
[INFO] [stdout]   --> src/cmd.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn avg(key: String) -> Cmd {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dev`
[INFO] [stdout]    --> src/cmd.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn dev(key: String) -> Cmd {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first`
[INFO] [stdout]    --> src/cmd.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn first(key: String) -> Cmd {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last`
[INFO] [stdout]    --> src/cmd.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn last(key: String) -> Cmd {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `var`
[INFO] [stdout]    --> src/cmd.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn var(key: String) -> Cmd {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/cmd.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn pop(key: String) -> Cmd {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cmd`
[INFO] [stdout]    --> src/cmd.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn parse_cmd(json: Json) -> Result<Cmd, ParseError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/cmd.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn parse(json: Json) -> Result<Vec<Cmd>, ParseError> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_obj`
[INFO] [stdout]    --> src/cmd.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn parse_obj(key: String, arg: Json) -> Result<Cmd, ParseError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_arg`
[INFO] [stdout]    --> src/cmd.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn parse_arg(arg: Json, f: &dyn Fn(String) -> Cmd) -> Result<Cmd, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_mutation`
[INFO] [stdout]    --> src/cmd.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn is_mutation(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_aggregate`
[INFO] [stdout]    --> src/cmd.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn is_aggregate(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Val`
[INFO] [stdout]    --> src/cmd.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     Val(Json),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ref`
[INFO] [stdout]    --> src/cmd.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     Ref(&'a Json),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Update`
[INFO] [stdout]    --> src/cmd.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     Update,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]    --> src/cmd.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     Insert(usize),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/cmd.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/db.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn open<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_eval`
[INFO] [stdout]   --> src/db.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn read_eval<'a>(&'a self, cmd: ReadCmd) -> Result<Response<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]   --> src/db.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn query<'a>(&'a self, cmd: QueryCmd) -> Result<Response<'a>, Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_eval`
[INFO] [stdout]   --> src/db.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write_eval(&mut self, cmd: WriteCmd) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert_rows`
[INFO] [stdout]   --> src/db.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_rows(val: &mut Json, rows: Vec<JsonObj>) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ParseError`
[INFO] [stdout]  --> src/err.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ParseError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadIO`
[INFO] [stdout]   --> src/err.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BadIO,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadState`
[INFO] [stdout]   --> src/err.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BadState,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmptySequence`
[INFO] [stdout]   --> src/err.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     EmptySequence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadNumber`
[INFO] [stdout]   --> src/err.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     BadNumber,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnknownKey`
[INFO] [stdout]   --> src/err.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     UnknownKey(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadKey`
[INFO] [stdout]   --> src/err.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     BadKey,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadFrom`
[INFO] [stdout]   --> src/err.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     BadFrom,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadSelect`
[INFO] [stdout]   --> src/err.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     BadSelect,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadWhere`
[INFO] [stdout]   --> src/err.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     BadWhere,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotArray`
[INFO] [stdout]   --> src/err.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     NotArray,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotAggregate`
[INFO] [stdout]   --> src/err.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NotAggregate,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/err.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/inmemdb.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn from(cache: BTreeMap<String, Json>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/inmemdb.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set<K: Into<String>>(&mut self, key: K, val: Json) -> Option<Json> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rm`
[INFO] [stdout]   --> src/inmemdb.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn rm(&mut self, key: &str) -> Option<Json> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_append`
[INFO] [stdout]   --> src/inmemdb.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn eval_append(&mut self, key: String, arg: Json) -> Res<'_> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_insert`
[INFO] [stdout]   --> src/inmemdb.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn eval_insert(&mut self, key: String, arg: Json) -> Res<'_> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_insert_entry`
[INFO] [stdout]   --> src/inmemdb.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn gen_insert_entry(&mut self, key: String) -> (&mut Json, &mut usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/inmemdb.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn insert(&mut self, key: String, arg: Json) -> Result<usize, Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_table`
[INFO] [stdout]   --> src/inmemdb.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add_table<K: Into<String>>(&mut self, key: K, rows: Vec<JsonObj>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_read_cmd`
[INFO] [stdout]   --> src/inmemdb.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn eval_read_cmd(&self, cmd: Cmd) -> Res<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_write_cmd`
[INFO] [stdout]   --> src/inmemdb.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn eval_write_cmd(&mut self, cmd: Cmd) -> Res<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_get`
[INFO] [stdout]    --> src/inmemdb.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn eval_get(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_len`
[INFO] [stdout]    --> src/inmemdb.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn eval_len(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_sum`
[INFO] [stdout]    --> src/inmemdb.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn eval_sum(&self, key: String) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_query`
[INFO] [stdout]    --> src/inmemdb.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn eval_query(&self, cmd: QueryCmd) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_min`
[INFO] [stdout]    --> src/inmemdb.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn eval_min(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_max`
[INFO] [stdout]    --> src/inmemdb.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn eval_max(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_avg`
[INFO] [stdout]    --> src/inmemdb.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn eval_avg(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_dev`
[INFO] [stdout]    --> src/inmemdb.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn eval_dev(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_first`
[INFO] [stdout]    --> src/inmemdb.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn eval_first(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_last`
[INFO] [stdout]    --> src/inmemdb.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn eval_last(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_pop`
[INFO] [stdout]    --> src/inmemdb.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn eval_pop(&mut self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_set`
[INFO] [stdout]    --> src/inmemdb.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn eval_set(&mut self, key: String, val: Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_var`
[INFO] [stdout]    --> src/inmemdb.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn eval_var(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_bin_fn`
[INFO] [stdout]    --> src/inmemdb.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn eval_bin_fn(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_add`
[INFO] [stdout]    --> src/inmemdb.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn eval_add(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_sub`
[INFO] [stdout]    --> src/inmemdb.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn eval_sub(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_mul`
[INFO] [stdout]    --> src/inmemdb.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn eval_mul(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_div`
[INFO] [stdout]    --> src/inmemdb.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn eval_div(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/inmemdb.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn get(&self, key: String) -> Result<&Json, Error> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]    --> src/inmemdb.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn get_mut(&mut self, key: String) -> Result<&mut Json, Error> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_string`
[INFO] [stdout]   --> src/json.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn json_string(val: &Json) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_eq`
[INFO] [stdout]    --> src/json.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn json_eq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_neq`
[INFO] [stdout]    --> src/json.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn json_neq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_gte`
[INFO] [stdout]    --> src/json.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn json_gte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_lte`
[INFO] [stdout]    --> src/json.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn json_lte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `len`
[INFO] [stdout]    --> src/json.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn len(val: &Json) -> Json {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `append`
[INFO] [stdout]    --> src/json.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn append(val: &mut Json, elem: Json) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_id`
[INFO] [stdout]    --> src/json.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn add_id(val: Json, id: usize) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]    --> src/json.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn insert<'a>(val: &'a mut Json, arg: Json, id: &'a mut usize) -> Result<usize, Error> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Res`
[INFO] [stdout]    --> src/json.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub type Res<'a> = Result<Response<'a>, Error>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/json.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub fn first(val: &Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `last`
[INFO] [stdout]    --> src/json.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn last(val: &Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]    --> src/json.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub fn sum(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]    --> src/json.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn pop(val: &mut Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_pop`
[INFO] [stdout]    --> src/json.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn arr_pop(arr: &mut Vec<Json>) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `avg`
[INFO] [stdout]    --> src/json.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn avg(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `var`
[INFO] [stdout]    --> src/json.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn var(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dev`
[INFO] [stdout]    --> src/json.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn dev(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_max`
[INFO] [stdout]    --> src/json.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn json_max(val: &Json) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]    --> src/json.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn add(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]    --> src/json.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 | pub fn sub(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]    --> src/json.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn mul(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_vals`
[INFO] [stdout]    --> src/json.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn mul_vals(x: &Json, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_nums`
[INFO] [stdout]    --> src/json.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn mul_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_arr_num`
[INFO] [stdout]    --> src/json.rs:354:4
[INFO] [stdout]     |
[INFO] [stdout] 354 | fn mul_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_val_num`
[INFO] [stdout]    --> src/json.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn mul_val_num(x: &Json, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_arrs`
[INFO] [stdout]    --> src/json.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn mul_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]    --> src/json.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | pub fn div(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_nums`
[INFO] [stdout]    --> src/json.rs:389:4
[INFO] [stdout]     |
[INFO] [stdout] 389 | fn div_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_arrs`
[INFO] [stdout]    --> src/json.rs:394:4
[INFO] [stdout]     |
[INFO] [stdout] 394 | fn div_arrs(x: &[Json], y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_arr_num`
[INFO] [stdout]    --> src/json.rs:402:4
[INFO] [stdout]     |
[INFO] [stdout] 402 | fn div_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_val_num`
[INFO] [stdout]    --> src/json.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn div_val_num(x: &Json, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_num_arr`
[INFO] [stdout]    --> src/json.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn div_num_arr(x: &JsonNum, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_num_val`
[INFO] [stdout]    --> src/json.rs:426:4
[INFO] [stdout]     |
[INFO] [stdout] 426 | fn div_num_val(x: &JsonNum, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_str`
[INFO] [stdout]    --> src/json.rs:434:4
[INFO] [stdout]     |
[INFO] [stdout] 434 | fn json_add_str(x: &str, y: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_str_arr`
[INFO] [stdout]    --> src/json.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 | fn add_str_arr(x: &str, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_str_val`
[INFO] [stdout]    --> src/json.rs:447:4
[INFO] [stdout]     |
[INFO] [stdout] 447 | fn add_str_val(x: &str, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_val_str`
[INFO] [stdout]    --> src/json.rs:454:4
[INFO] [stdout]     |
[INFO] [stdout] 454 | fn add_val_str(x: &Json, y: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_arr_str`
[INFO] [stdout]    --> src/json.rs:461:4
[INFO] [stdout]     |
[INFO] [stdout] 461 | fn add_arr_str(lhs: &[Json], rhs: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_arr_num`
[INFO] [stdout]    --> src/json.rs:470:4
[INFO] [stdout]     |
[INFO] [stdout] 470 | fn json_add_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_arrs`
[INFO] [stdout]    --> src/json.rs:478:4
[INFO] [stdout]     |
[INFO] [stdout] 478 | fn json_add_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_nums`
[INFO] [stdout]    --> src/json.rs:487:15
[INFO] [stdout]     |
[INFO] [stdout] 487 | pub(crate) fn json_add_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_arr_num`
[INFO] [stdout]    --> src/json.rs:494:4
[INFO] [stdout]     |
[INFO] [stdout] 494 | fn json_sub_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_num_arr`
[INFO] [stdout]    --> src/json.rs:502:4
[INFO] [stdout]     |
[INFO] [stdout] 502 | fn json_sub_num_arr(x: &JsonNum, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_arrs`
[INFO] [stdout]    --> src/json.rs:510:4
[INFO] [stdout]     |
[INFO] [stdout] 510 | fn json_sub_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_nums`
[INFO] [stdout]    --> src/json.rs:519:4
[INFO] [stdout]     |
[INFO] [stdout] 519 | fn json_sub_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_min`
[INFO] [stdout]    --> src/json.rs:524:8
[INFO] [stdout]     |
[INFO] [stdout] 524 | pub fn json_min(val: &Json) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_sum`
[INFO] [stdout]    --> src/json.rs:531:4
[INFO] [stdout]     |
[INFO] [stdout] 531 | fn json_arr_sum(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_first`
[INFO] [stdout]    --> src/json.rs:545:4
[INFO] [stdout]     |
[INFO] [stdout] 545 | fn arr_first(s: &[Json]) -> Res<'_> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_last`
[INFO] [stdout]    --> src/json.rs:553:4
[INFO] [stdout]     |
[INFO] [stdout] 553 | fn arr_last(s: &[Json]) -> Res<'_> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_obj`
[INFO] [stdout]    --> src/json.rs:561:8
[INFO] [stdout]     |
[INFO] [stdout] 561 | pub fn json_obj(val: &Json) -> Result<&JsonObj, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into_json_obj`
[INFO] [stdout]    --> src/json.rs:568:8
[INFO] [stdout]     |
[INFO] [stdout] 568 | pub fn into_json_obj(val: Json) -> Result<JsonObj, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_avg`
[INFO] [stdout]    --> src/json.rs:575:4
[INFO] [stdout]     |
[INFO] [stdout] 575 | fn json_arr_avg(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_var`
[INFO] [stdout]    --> src/json.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn json_arr_var(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_dev`
[INFO] [stdout]    --> src/json.rs:600:4
[INFO] [stdout]     |
[INFO] [stdout] 600 | fn json_arr_dev(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_max`
[INFO] [stdout]    --> src/json.rs:622:4
[INFO] [stdout]     |
[INFO] [stdout] 622 | fn arr_max(s: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_min`
[INFO] [stdout]    --> src/json.rs:635:4
[INFO] [stdout]     |
[INFO] [stdout] 635 | fn arr_min(s: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_push`
[INFO] [stdout]    --> src/json.rs:934:8
[INFO] [stdout]     |
[INFO] [stdout] 934 | pub fn json_push(to: &mut Json, val: Json) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_to_string`
[INFO] [stdout]    --> src/json.rs:946:8
[INFO] [stdout]     |
[INFO] [stdout] 946 | pub fn json_to_string(val: &Json) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/ondiskdb.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn open<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/ondiskdb.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn set<S: Into<String>>(&mut self, key: S, val: &Json) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/ondiskdb.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, key: &str) -> Result<Option<Json>, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/ondiskdb.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn remove(&mut self, key: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `populate`
[INFO] [stdout]   --> src/ondiskdb.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn populate(&self) -> Result<InMemDb, Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/ondiskdb.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn insert(
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_table_id`
[INFO] [stdout]   --> src/ondiskdb.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn read_table_id(sled: &Sled, key: &str) -> Result<usize, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_row`
[INFO] [stdout]   --> src/ondiskdb.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn read_row(sled: &Sled, key: &str, i: usize) -> Result<Option<JsonObj>, Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_row`
[INFO] [stdout]   --> src/ondiskdb.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn write_row(&mut self, key: &str, i: usize, row: &JsonObj) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_table_id`
[INFO] [stdout]   --> src/ondiskdb.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn write_table_id(&mut self, key: &str, id: usize) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_table_meta`
[INFO] [stdout]    --> src/ondiskdb.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn add_table_meta(&mut self, key: String, id: usize) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_table_meta`
[INFO] [stdout]    --> src/ondiskdb.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn write_table_meta(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_table`
[INFO] [stdout]    --> src/ondiskdb.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn add_table(&mut self, key: &str, rows: &[JsonObj]) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_meta`
[INFO] [stdout]    --> src/ondiskdb.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn read_meta(sled: &Sled) -> Result<Vec<Meta>, Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bad_io`
[INFO] [stdout]    --> src/ondiskdb.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn bad_io(_: sled::Error) -> Error {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply`
[INFO] [stdout]   --> src/query.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn apply(&self, row: &JsonObj) -> Result<bool, Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_gate`
[INFO] [stdout]   --> src/query.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn eval_gate(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/query.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn eval(
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/query.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn new<S: Into<String>>(col_name: S, key: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn new<S: Into<String>>(col_name: S, key: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn new<S: Into<String>>(name: S, key: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn new<S: Into<String>>(col_name: S, key: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn new<S: Into<String>>(col_name: S, key: String) -> Count {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:336:8
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:412:8
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:453:8
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/query.rs:510:8
[INFO] [stdout]     |
[INFO] [stdout] 510 |     fn from(mean: f64, count: usize) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/query.rs:541:8
[INFO] [stdout]     |
[INFO] [stdout] 541 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eq`
[INFO] [stdout]    --> src/query.rs:569:4
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn eq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neq`
[INFO] [stdout]    --> src/query.rs:573:4
[INFO] [stdout]     |
[INFO] [stdout] 573 | fn neq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lt`
[INFO] [stdout]    --> src/query.rs:577:4
[INFO] [stdout]     |
[INFO] [stdout] 577 | fn lt(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lte`
[INFO] [stdout]    --> src/query.rs:581:4
[INFO] [stdout]     |
[INFO] [stdout] 581 | fn lte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gt`
[INFO] [stdout]    --> src/query.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn gt(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gte`
[INFO] [stdout]    --> src/query.rs:589:4
[INFO] [stdout]     |
[INFO] [stdout] 589 | fn gte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_selects_to_cmd`
[INFO] [stdout]    --> src/query.rs:594:4
[INFO] [stdout]     |
[INFO] [stdout] 594 | fn parse_selects_to_cmd(selects: &[Json]) -> Result<Vec<Cmd>, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_aggregate`
[INFO] [stdout]    --> src/query.rs:602:4
[INFO] [stdout]     |
[INFO] [stdout] 602 | fn eval_aggregate(cmd: Cmd, rows: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_nonaggregate`
[INFO] [stdout]    --> src/query.rs:616:4
[INFO] [stdout]     |
[INFO] [stdout] 616 | fn eval_nonaggregate(cmds: &[(String, Cmd)], rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_row`
[INFO] [stdout]    --> src/query.rs:630:4
[INFO] [stdout]     |
[INFO] [stdout] 630 | fn eval_row(out: &mut Option<JsonObj>, cmd: &(String, Cmd), row: &Json) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_var`
[INFO] [stdout]    --> src/query.rs:651:4
[INFO] [stdout]     |
[INFO] [stdout] 651 | fn eval_var(key: &str, rows: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_dev`
[INFO] [stdout]    --> src/query.rs:670:4
[INFO] [stdout]     |
[INFO] [stdout] 670 | fn eval_dev(key: &str, rows: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_agg`
[INFO] [stdout]    --> src/query.rs:678:4
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn eval_agg<'a, A: 'a>(key: &str, rows: &'a [Json], mut agg: A) -> Result<Option<Json>, Error>
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Query`
[INFO] [stdout]    --> src/query.rs:690:12
[INFO] [stdout]     |
[INFO] [stdout] 690 | pub struct Query<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_aggregation`
[INFO] [stdout]    --> src/query.rs:695:4
[INFO] [stdout]     |
[INFO] [stdout] 695 | fn is_aggregation(cmds: &[(String, Cmd)]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/query.rs:705:12
[INFO] [stdout]     |
[INFO] [stdout] 705 |     pub fn from(db: &'a InMemDb, cmd: QueryCmd) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]    --> src/query.rs:709:12
[INFO] [stdout]     |
[INFO] [stdout] 709 |     pub fn exec(&self) -> Result<Json, Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_where`
[INFO] [stdout]    --> src/query.rs:719:8
[INFO] [stdout]     |
[INFO] [stdout] 719 |     fn eval_where(&self, rows: &[Json], filter: Filter) -> Result<Vec<Json>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_from`
[INFO] [stdout]    --> src/query.rs:731:8
[INFO] [stdout]     |
[INFO] [stdout] 731 |     fn eval_from(&self) -> Result<&'a [Json], Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_select`
[INFO] [stdout]    --> src/query.rs:741:8
[INFO] [stdout]     |
[INFO] [stdout] 741 |     fn eval_select(&self, rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_ids`
[INFO] [stdout]    --> src/query.rs:755:8
[INFO] [stdout]     |
[INFO] [stdout] 755 |     fn parse_ids(&self) -> Result<Option<Vec<String>>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_keyed_select`
[INFO] [stdout]    --> src/query.rs:779:8
[INFO] [stdout]     |
[INFO] [stdout] 779 |     fn eval_keyed_select(&self, by: &Json, rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_key_aggregations`
[INFO] [stdout]    --> src/query.rs:832:8
[INFO] [stdout]     |
[INFO] [stdout] 832 |     fn parse_key_aggregations(&self) -> Result<Option<Vec<Box<dyn KeyedAggregate>>>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_obj_selects`
[INFO] [stdout]    --> src/query.rs:866:8
[INFO] [stdout]     |
[INFO] [stdout] 866 |     fn eval_obj_selects(&self, obj: JsonObj, rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_selects`
[INFO] [stdout]    --> src/query.rs:889:8
[INFO] [stdout]     |
[INFO] [stdout] 889 |     fn eval_selects(&self, selects: &[Json], rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_select_all`
[INFO] [stdout]    --> src/query.rs:907:8
[INFO] [stdout]     |
[INFO] [stdout] 907 |     fn eval_select_all(&self, rows: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_row_cmd`
[INFO] [stdout]    --> src/query.rs:917:4
[INFO] [stdout]     |
[INFO] [stdout] 917 | fn eval_row_cmd(cmd: &Cmd, row: &Json, obj: &mut JsonObj) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_row_id`
[INFO] [stdout]    --> src/query.rs:929:4
[INFO] [stdout]     |
[INFO] [stdout] 929 | fn add_row_id(row: &Json, i: usize) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `db`
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     db: RwLock<InMemDb>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `res_to_string`
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn res_to_string(res: &Res<'_>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ondiskdb.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         self.db.insert(key, val).map_err(bad_io);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 197 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_mutation`
[INFO] [stdout]    --> src/cmd.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn is_mutation(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Update`
[INFO] [stdout]    --> src/cmd.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     Update,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]    --> src/cmd.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     Insert(usize),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/cmd.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadState`
[INFO] [stdout]   --> src/err.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BadState,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmptySequence`
[INFO] [stdout]   --> src/err.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     EmptySequence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadNumber`
[INFO] [stdout]   --> src/err.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     BadNumber,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadWhere`
[INFO] [stdout]   --> src/err.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     BadWhere,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/err.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/inmemdb.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn from(cache: BTreeMap<String, Json>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rm`
[INFO] [stdout]   --> src/inmemdb.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn rm(&mut self, key: &str) -> Option<Json> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_append`
[INFO] [stdout]   --> src/inmemdb.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn eval_append(&mut self, key: String, arg: Json) -> Res<'_> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_insert`
[INFO] [stdout]   --> src/inmemdb.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn eval_insert(&mut self, key: String, arg: Json) -> Res<'_> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_insert_entry`
[INFO] [stdout]   --> src/inmemdb.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn gen_insert_entry(&mut self, key: String) -> (&mut Json, &mut usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/inmemdb.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn insert(&mut self, key: String, arg: Json) -> Result<usize, Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_read_cmd`
[INFO] [stdout]   --> src/inmemdb.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn eval_read_cmd(&self, cmd: Cmd) -> Res<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_write_cmd`
[INFO] [stdout]   --> src/inmemdb.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn eval_write_cmd(&mut self, cmd: Cmd) -> Res<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_get`
[INFO] [stdout]    --> src/inmemdb.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn eval_get(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_len`
[INFO] [stdout]    --> src/inmemdb.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn eval_len(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_sum`
[INFO] [stdout]    --> src/inmemdb.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn eval_sum(&self, key: String) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_query`
[INFO] [stdout]    --> src/inmemdb.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn eval_query(&self, cmd: QueryCmd) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_min`
[INFO] [stdout]    --> src/inmemdb.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn eval_min(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_max`
[INFO] [stdout]    --> src/inmemdb.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn eval_max(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_avg`
[INFO] [stdout]    --> src/inmemdb.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn eval_avg(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_dev`
[INFO] [stdout]    --> src/inmemdb.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn eval_dev(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_first`
[INFO] [stdout]    --> src/inmemdb.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn eval_first(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_last`
[INFO] [stdout]    --> src/inmemdb.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn eval_last(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_pop`
[INFO] [stdout]    --> src/inmemdb.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn eval_pop(&mut self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_set`
[INFO] [stdout]    --> src/inmemdb.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn eval_set(&mut self, key: String, val: Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_var`
[INFO] [stdout]    --> src/inmemdb.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn eval_var(&self, key: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_bin_fn`
[INFO] [stdout]    --> src/inmemdb.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn eval_bin_fn(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_add`
[INFO] [stdout]    --> src/inmemdb.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn eval_add(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_sub`
[INFO] [stdout]    --> src/inmemdb.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn eval_sub(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_mul`
[INFO] [stdout]    --> src/inmemdb.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn eval_mul(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_div`
[INFO] [stdout]    --> src/inmemdb.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn eval_div(&self, lhs: String, rhs: String) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `len`
[INFO] [stdout]    --> src/json.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn len(val: &Json) -> Json {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_id`
[INFO] [stdout]    --> src/json.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn add_id(val: Json, id: usize) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]    --> src/json.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn insert<'a>(val: &'a mut Json, arg: Json, id: &'a mut usize) -> Result<usize, Error> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Res`
[INFO] [stdout]    --> src/json.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub type Res<'a> = Result<Response<'a>, Error>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/json.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub fn first(val: &Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `last`
[INFO] [stdout]    --> src/json.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn last(val: &Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]    --> src/json.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub fn sum(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]    --> src/json.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn pop(val: &mut Json) -> Res<'_> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_pop`
[INFO] [stdout]    --> src/json.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn arr_pop(arr: &mut Vec<Json>) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `avg`
[INFO] [stdout]    --> src/json.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn avg(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `var`
[INFO] [stdout]    --> src/json.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn var(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dev`
[INFO] [stdout]    --> src/json.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn dev(val: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_max`
[INFO] [stdout]    --> src/json.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn json_max(val: &Json) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]    --> src/json.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn add(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]    --> src/json.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 | pub fn sub(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]    --> src/json.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn mul(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_vals`
[INFO] [stdout]    --> src/json.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn mul_vals(x: &Json, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_nums`
[INFO] [stdout]    --> src/json.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn mul_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_arr_num`
[INFO] [stdout]    --> src/json.rs:354:4
[INFO] [stdout]     |
[INFO] [stdout] 354 | fn mul_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_val_num`
[INFO] [stdout]    --> src/json.rs:362:4
[INFO] [stdout]     |
[INFO] [stdout] 362 | fn mul_val_num(x: &Json, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_arrs`
[INFO] [stdout]    --> src/json.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn mul_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]    --> src/json.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | pub fn div(lhs: &Json, rhs: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_nums`
[INFO] [stdout]    --> src/json.rs:389:4
[INFO] [stdout]     |
[INFO] [stdout] 389 | fn div_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_arrs`
[INFO] [stdout]    --> src/json.rs:394:4
[INFO] [stdout]     |
[INFO] [stdout] 394 | fn div_arrs(x: &[Json], y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_arr_num`
[INFO] [stdout]    --> src/json.rs:402:4
[INFO] [stdout]     |
[INFO] [stdout] 402 | fn div_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_val_num`
[INFO] [stdout]    --> src/json.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn div_val_num(x: &Json, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_num_arr`
[INFO] [stdout]    --> src/json.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn div_num_arr(x: &JsonNum, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_num_val`
[INFO] [stdout]    --> src/json.rs:426:4
[INFO] [stdout]     |
[INFO] [stdout] 426 | fn div_num_val(x: &JsonNum, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_str`
[INFO] [stdout]    --> src/json.rs:434:4
[INFO] [stdout]     |
[INFO] [stdout] 434 | fn json_add_str(x: &str, y: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_str_arr`
[INFO] [stdout]    --> src/json.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 | fn add_str_arr(x: &str, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_str_val`
[INFO] [stdout]    --> src/json.rs:447:4
[INFO] [stdout]     |
[INFO] [stdout] 447 | fn add_str_val(x: &str, y: &Json) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_val_str`
[INFO] [stdout]    --> src/json.rs:454:4
[INFO] [stdout]     |
[INFO] [stdout] 454 | fn add_val_str(x: &Json, y: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_arr_str`
[INFO] [stdout]    --> src/json.rs:461:4
[INFO] [stdout]     |
[INFO] [stdout] 461 | fn add_arr_str(lhs: &[Json], rhs: &str) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_arr_num`
[INFO] [stdout]    --> src/json.rs:470:4
[INFO] [stdout]     |
[INFO] [stdout] 470 | fn json_add_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_arrs`
[INFO] [stdout]    --> src/json.rs:478:4
[INFO] [stdout]     |
[INFO] [stdout] 478 | fn json_add_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_add_nums`
[INFO] [stdout]    --> src/json.rs:487:15
[INFO] [stdout]     |
[INFO] [stdout] 487 | pub(crate) fn json_add_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_arr_num`
[INFO] [stdout]    --> src/json.rs:494:4
[INFO] [stdout]     |
[INFO] [stdout] 494 | fn json_sub_arr_num(x: &[Json], y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_num_arr`
[INFO] [stdout]    --> src/json.rs:502:4
[INFO] [stdout]     |
[INFO] [stdout] 502 | fn json_sub_num_arr(x: &JsonNum, y: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_arrs`
[INFO] [stdout]    --> src/json.rs:510:4
[INFO] [stdout]     |
[INFO] [stdout] 510 | fn json_sub_arrs(lhs: &[Json], rhs: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_sub_nums`
[INFO] [stdout]    --> src/json.rs:519:4
[INFO] [stdout]     |
[INFO] [stdout] 519 | fn json_sub_nums(x: &JsonNum, y: &JsonNum) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_min`
[INFO] [stdout]    --> src/json.rs:524:8
[INFO] [stdout]     |
[INFO] [stdout] 524 | pub fn json_min(val: &Json) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_sum`
[INFO] [stdout]    --> src/json.rs:531:4
[INFO] [stdout]     |
[INFO] [stdout] 531 | fn json_arr_sum(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_first`
[INFO] [stdout]    --> src/json.rs:545:4
[INFO] [stdout]     |
[INFO] [stdout] 545 | fn arr_first(s: &[Json]) -> Res<'_> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_last`
[INFO] [stdout]    --> src/json.rs:553:4
[INFO] [stdout]     |
[INFO] [stdout] 553 | fn arr_last(s: &[Json]) -> Res<'_> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into_json_obj`
[INFO] [stdout]    --> src/json.rs:568:8
[INFO] [stdout]     |
[INFO] [stdout] 568 | pub fn into_json_obj(val: Json) -> Result<JsonObj, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_avg`
[INFO] [stdout]    --> src/json.rs:575:4
[INFO] [stdout]     |
[INFO] [stdout] 575 | fn json_arr_avg(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_var`
[INFO] [stdout]    --> src/json.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn json_arr_var(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `json_arr_dev`
[INFO] [stdout]    --> src/json.rs:600:4
[INFO] [stdout]     |
[INFO] [stdout] 600 | fn json_arr_dev(s: &[Json]) -> Result<Json, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_max`
[INFO] [stdout]    --> src/json.rs:622:4
[INFO] [stdout]     |
[INFO] [stdout] 622 | fn arr_max(s: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arr_min`
[INFO] [stdout]    --> src/json.rs:635:4
[INFO] [stdout]     |
[INFO] [stdout] 635 | fn arr_min(s: &[Json]) -> Result<Option<Json>, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/ondiskdb.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn insert(
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_table_id`
[INFO] [stdout]   --> src/ondiskdb.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn read_table_id(sled: &Sled, key: &str) -> Result<usize, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_row`
[INFO] [stdout]   --> src/ondiskdb.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn read_row(sled: &Sled, key: &str, i: usize) -> Result<Option<JsonObj>, Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_row`
[INFO] [stdout]   --> src/ondiskdb.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn write_row(&mut self, key: &str, i: usize, row: &JsonObj) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_table_id`
[INFO] [stdout]   --> src/ondiskdb.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn write_table_id(&mut self, key: &str, id: usize) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_table_meta`
[INFO] [stdout]    --> src/ondiskdb.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn add_table_meta(&mut self, key: String, id: usize) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_table_meta`
[INFO] [stdout]    --> src/ondiskdb.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn write_table_meta(&mut self) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eq`
[INFO] [stdout]    --> src/query.rs:569:4
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn eq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neq`
[INFO] [stdout]    --> src/query.rs:573:4
[INFO] [stdout]     |
[INFO] [stdout] 573 | fn neq(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lt`
[INFO] [stdout]    --> src/query.rs:577:4
[INFO] [stdout]     |
[INFO] [stdout] 577 | fn lt(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lte`
[INFO] [stdout]    --> src/query.rs:581:4
[INFO] [stdout]     |
[INFO] [stdout] 581 | fn lte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gt`
[INFO] [stdout]    --> src/query.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn gt(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gte`
[INFO] [stdout]    --> src/query.rs:589:4
[INFO] [stdout]     |
[INFO] [stdout] 589 | fn gte(x: &Json, y: &Json) -> Result<bool, Error> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `db`
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     db: RwLock<InMemDb>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `res_to_string`
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn res_to_string(res: &Res<'_>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/ondiskdb.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         self.db.insert(key, val).map_err(bad_io);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 108 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "2a113dab703f6f2e11131b15518f602d6cbf2f8dc0ab49f0d1027189a228d14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a113dab703f6f2e11131b15518f602d6cbf2f8dc0ab49f0d1027189a228d14f", kill_on_drop: false }`
[INFO] [stdout] 2a113dab703f6f2e11131b15518f602d6cbf2f8dc0ab49f0d1027189a228d14f