[INFO] cloning repository https://github.com/grdvsng/white_octopus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grdvsng/white_octopus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus/objects/pack: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/grdvsng/white_octopus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grdvsng/white_octopus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccbde80df9fb642888960a0198d0135f4b48ff46
[INFO] checking grdvsng/white_octopus against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrdvsng%2Fwhite_octopus" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grdvsng/white_octopus on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grdvsng/white_octopus
[INFO] finished tweaking git repo https://github.com/grdvsng/white_octopus
[INFO] tweaked toml for git repo https://github.com/grdvsng/white_octopus written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "083b7abfa025e1afbcba2d5c2d5e3ff10108701b32abead650e98ef75bc60f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083b7abfa025e1afbcba2d5c2d5e3ff10108701b32abead650e98ef75bc60f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083b7abfa025e1afbcba2d5c2d5e3ff10108701b32abead650e98ef75bc60f23", kill_on_drop: false }`
[INFO] [stdout] 083b7abfa025e1afbcba2d5c2d5e3ff10108701b32abead650e98ef75bc60f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf9909d1a4a8be1511f5116dc678b37c76817f2ee0915e6c457a8cbe555561e
[INFO] running `Command { std: "docker" "start" "-a" "cbf9909d1a4a8be1511f5116dc678b37c76817f2ee0915e6c457a8cbe555561e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking white_octopus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Regex` and `Split`
[INFO] [stdout]   --> src/basic_elements.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use regex::{Regex, Split};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Regex` and `Split`
[INFO] [stdout]   --> tests/../src/basic_elements.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use regex::{Regex, Split};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic_elements::*`
[INFO] [stdout]  --> tests/elements_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use basic_elements::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Regex` and `Split`
[INFO] [stdout]   --> src/basic_elements.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use regex::{Regex, Split};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> src/basic_elements.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/basic_elements.rs:54:87
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> tests/../src/basic_elements.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> tests/../src/basic_elements.rs:54:87
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> tests/../src/basic_elements.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |         if let Some(x) = self.map.get_mut(&*index)
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> src/basic_elements.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `basic_elements::chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/basic_elements.rs:54:87
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DataType::Time    => TData::Time(DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(0, 0), Utc)),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_null` is never used
[INFO] [stdout]   --> tests/../src/basic_elements.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl DataType
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn get_null(&self) -> TData
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Text`, `Integer`, `Float`, `Boolean`, `Time`, and `Table` are never constructed
[INFO] [stdout]   --> tests/../src/basic_elements.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum TData
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 73 | {
[INFO] [stdout] 74 |     Text(&'static str),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 75 |     Integer(i32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 76 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 78 |     Time(DateTime<Utc>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 79 |     Table(Table),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 83  | impl TData 
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn to_json(&self) -> JsonValue
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TableResult` is never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub enum TableResult 
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_type` is never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl TableResult
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 171 | {
[INFO] [stdout] 172 |     fn get_type(&self) -> usize
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `class`, `index`, and `required` are never read
[INFO] [stdout]    --> tests/../src/basic_elements.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct TColumn
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 266 | {
[INFO] [stdout] 267 |     name:     String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 268 |     class:    DataType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 269 |     index:    usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 270 |     required: bool
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TColumn` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 273 | impl TColumn
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 274 | {
[INFO] [stdout] 275 |     pub fn new(name: String, class: DataType, index: usize, required: bool) -> TColumn
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> tests/../src/basic_elements.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct Record
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 292 |     index: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Record` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 295 | impl Record 
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn new(index: usize) -> Record
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn to_json(&self) -> JsonValue
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `columns`, `name`, and `cout` are never read
[INFO] [stdout]    --> tests/../src/basic_elements.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub struct Table
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 356 |     columns:        HashMap<String, TColumn>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 357 |     name:           String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 358 |     cout:           usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Table` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:365:12
[INFO] [stdout]     |
[INFO] [stdout] 363 | impl Table 
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 364 | {
[INFO] [stdout] 365 |     pub fn new(name: String) -> Table
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn add(&mut self, column_name: String,  datatype: DataType, required: bool) -> TableResult
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     pub fn insert(&mut self, columns_name: Vec<String>, values: Vec<TData>) -> TableResult
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     fn insert_validator(&self, columns_name: &Vec<String>, values: &Vec<TData>) -> TableResult
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 425 |     fn insert_validator_check_required(&self, columns_name: &Vec<String>) -> TableResult
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 484 |     pub fn select(&self, query: &dyn Fn(&Record) -> bool) -> Vec<Record>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 500 |     pub fn to_json(&self) -> JsonValue
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/../src/basic_elements.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             _records.push(record.to_json());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> tests/../src/basic_elements.rs:499:12
[INFO] [stdout]     |
[INFO] [stdout] 499 |     #[warn(unused_must_use)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 506 |             let _ = _records.push(record.to_json());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/basic_elements.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |         if let Some(x) = self.map.get_mut(&*index)
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_null` is never used
[INFO] [stdout]   --> src/basic_elements.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl DataType
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn get_null(&self) -> TData
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Float`, `Boolean`, `Time`, and `Table` are never constructed
[INFO] [stdout]   --> src/basic_elements.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum TData
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 78 |     Time(DateTime<Utc>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 79 |     Table(Table),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 162 |     ColumnExists(String),
[INFO] [stdout]     |     ------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 162 -     ColumnExists(String),
[INFO] [stdout] 162 +     ColumnExists(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |     ColumnNotExists(String),
[INFO] [stdout]     |     --------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 163 -     ColumnNotExists(String),
[INFO] [stdout] 163 +     ColumnNotExists(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |     InvalidTypes(String),
[INFO] [stdout]     |     ------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 164 -     InvalidTypes(String),
[INFO] [stdout] 164 +     InvalidTypes(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:165:27
[INFO] [stdout]     |
[INFO] [stdout] 165 |     RequiredFieldNotExist(String),
[INFO] [stdout]     |     --------------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 165 -     RequiredFieldNotExist(String),
[INFO] [stdout] 165 +     RequiredFieldNotExist(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:166:32
[INFO] [stdout]     |
[INFO] [stdout] 166 |     ValuesLenNeqPropertiesName(String),
[INFO] [stdout]     |     -------------------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     ValuesLenNeqPropertiesName(String),
[INFO] [stdout] 166 +     ValuesLenNeqPropertiesName(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/basic_elements.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct TColumn
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 269 |     index:    usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TColumn` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/basic_elements.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct Record
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 292 |     index: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Record` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/basic_elements.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/basic_elements.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             _records.push(record.to_json());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/basic_elements.rs:499:12
[INFO] [stdout]     |
[INFO] [stdout] 499 |     #[warn(unused_must_use)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 506 |             let _ = _records.push(record.to_json());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/basic_elements.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |         if let Some(x) = self.map.get_mut(&*index)
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_null` is never used
[INFO] [stdout]   --> src/basic_elements.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl DataType
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn get_null(&self) -> TData
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Float`, `Boolean`, `Time`, and `Table` are never constructed
[INFO] [stdout]   --> src/basic_elements.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum TData
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 78 |     Time(DateTime<Utc>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 79 |     Table(Table),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 162 |     ColumnExists(String),
[INFO] [stdout]     |     ------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 162 -     ColumnExists(String),
[INFO] [stdout] 162 +     ColumnExists(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |     ColumnNotExists(String),
[INFO] [stdout]     |     --------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 163 -     ColumnNotExists(String),
[INFO] [stdout] 163 +     ColumnNotExists(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |     InvalidTypes(String),
[INFO] [stdout]     |     ------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 164 -     InvalidTypes(String),
[INFO] [stdout] 164 +     InvalidTypes(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:165:27
[INFO] [stdout]     |
[INFO] [stdout] 165 |     RequiredFieldNotExist(String),
[INFO] [stdout]     |     --------------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 165 -     RequiredFieldNotExist(String),
[INFO] [stdout] 165 +     RequiredFieldNotExist(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/basic_elements.rs:166:32
[INFO] [stdout]     |
[INFO] [stdout] 166 |     ValuesLenNeqPropertiesName(String),
[INFO] [stdout]     |     -------------------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TableResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     ValuesLenNeqPropertiesName(String),
[INFO] [stdout] 166 +     ValuesLenNeqPropertiesName(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/basic_elements.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct TColumn
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 269 |     index:    usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TColumn` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/basic_elements.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct Record
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 292 |     index: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Record` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/basic_elements.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = &sorted.sort_by(|a, b| format!("{}", b).len().cmp(&format!("{}", a).len()));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/basic_elements.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             _records.push(record.to_json());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/basic_elements.rs:499:12
[INFO] [stdout]     |
[INFO] [stdout] 499 |     #[warn(unused_must_use)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 506 |             let _ = _records.push(record.to_json());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "cbf9909d1a4a8be1511f5116dc678b37c76817f2ee0915e6c457a8cbe555561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf9909d1a4a8be1511f5116dc678b37c76817f2ee0915e6c457a8cbe555561e", kill_on_drop: false }`
[INFO] [stdout] cbf9909d1a4a8be1511f5116dc678b37c76817f2ee0915e6c457a8cbe555561e
