[INFO] cloning repository https://github.com/Bequen/hittamul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bequen/hittamul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBequen%2Fhittamul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBequen%2Fhittamul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16b9775496c6328678486424721ca4e48713ec06
[INFO] checking Bequen/hittamul against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBequen%2Fhittamul" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bequen/hittamul
[INFO] finished tweaking git repo https://github.com/Bequen/hittamul
[INFO] tweaked toml for git repo https://github.com/Bequen/hittamul written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bequen/hittamul on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bequen/hittamul already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2
[INFO] running `Command { std: "docker" "start" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking pest v2.8.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.49
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking from-pest v0.3.4
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling pest-ast v0.3.6
[INFO] [stderr]    Compiling syn_derive v0.2.0
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking jsonpath-ast v0.1.0 (/opt/rustwide/workdir/external/jsonpath-rust/jsonpath-ast)
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking clap v4.5.49
[INFO] [stderr]     Checking jsonpath-rust v1.0.4 (/opt/rustwide/workdir/external/jsonpath-rust)
[INFO] [stderr]     Checking hittamul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `js_path_process`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonpath_rust::query::{js_path_process, Query as JsonQuery};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::json_data_source::JsonDataSource`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::data::json_data_source::JsonDataSource;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::query::queryable::Queryable`
[INFO] [stdout]  --> src/data/data_source.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use jsonpath_rust::query::queryable::Queryable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/data/data_source.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Debug, Display, Error, Formatter};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::query::queryable::Queryable`
[INFO] [stdout]  --> src/data_context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jsonpath_rust::query::queryable::Queryable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::data_source::DataSource`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::data::data_source::DataSource;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::JsonPath`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jsonpath_rust::JsonPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/data/json_data_source.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/data_context.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut prev_value: Option<serde_json::Value> = None;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_value`
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut prev_value: Option<serde_json::Value> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `js_path_process`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonpath_rust::query::{js_path_process, Query as JsonQuery};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::json_data_source::JsonDataSource`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::data::json_data_source::JsonDataSource;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::query::queryable::Queryable`
[INFO] [stdout]  --> src/data/data_source.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use jsonpath_rust::query::queryable::Queryable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/data/data_source.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Debug, Display, Error, Formatter};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::query::queryable::Queryable`
[INFO] [stdout]  --> src/data_context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jsonpath_rust::query::queryable::Queryable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::data_source::DataSource`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::data::data_source::DataSource;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonpath_rust::JsonPath`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jsonpath_rust::JsonPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/data/json_data_source.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/data_context.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut prev_value: Option<serde_json::Value> = None;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_value`
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut prev_value: Option<serde_json::Value> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetGuard` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct LetGuard<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl DataContext {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 37 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/data/data_source.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DataSource` is never used
[INFO] [stdout]   --> src/data/data_source.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait DataSource {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bindings` is never constructed
[INFO] [stdout]   --> src/data/data_source.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Bindings {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonDataSource` is never constructed
[INFO] [stdout]  --> src/data/json_data_source.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct JsonDataSource {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl JsonDataSource {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: Option<&str>, value: serde_json::Value) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `json_number_to_value` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn json_number_to_value(number: &serde_json::Number) -> Value {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `json_value_to_value` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn json_value_to_value(value: &serde_json::Value) -> Option<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonDataSourceIterator` is never constructed
[INFO] [stdout]    --> src/data/json_data_source.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct JsonDataSourceIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataContext` is never constructed
[INFO] [stdout]  --> src/data_context.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct DataContext {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/data/data_source.rs:31:49
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value>;
[INFO] [stdout]    |                  -- the lifetime is named here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<'a, serde_json::Value>;
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/data/json_data_source.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value> {
[INFO] [stdout]    |                  -- the lifetime is named here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<'a, serde_json::Value> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetGuard` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct LetGuard<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl DataContext {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 37 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/data/data_source.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DataSource` is never used
[INFO] [stdout]   --> src/data/data_source.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait DataSource {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bindings` is never constructed
[INFO] [stdout]   --> src/data/data_source.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Bindings {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonDataSource` is never constructed
[INFO] [stdout]  --> src/data/json_data_source.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct JsonDataSource {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl JsonDataSource {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: Option<&str>, value: serde_json::Value) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `json_number_to_value` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn json_number_to_value(number: &serde_json::Number) -> Value {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `json_value_to_value` is never used
[INFO] [stdout]   --> src/data/json_data_source.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn json_value_to_value(value: &serde_json::Value) -> Option<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonDataSourceIterator` is never constructed
[INFO] [stdout]    --> src/data/json_data_source.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct JsonDataSourceIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataContext` is never constructed
[INFO] [stdout]  --> src/data_context.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct DataContext {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/data/data_source.rs:31:49
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value>;
[INFO] [stdout]    |                  -- the lifetime is named here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<'a, serde_json::Value>;
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/data/json_data_source.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<serde_json::Value> {
[INFO] [stdout]    |                  -- the lifetime is named here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn iter<'a>(&'a self, key: Option<&str>) -> std::slice::Iter<'a, serde_json::Value> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2", kill_on_drop: false }`
[INFO] [stdout] e9c9f76986df5edd73a52720671adde2a7ca1fcffe7c194ccb13e8308ef8a3d2
