[INFO] cloning repository https://github.com/nirvik00/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirvik00/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirvik00%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirvik00%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1acf48547d85965a106ab0e9b95d042360d2efc
[INFO] checking nirvik00/rust_exercises against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirvik00%2Frust_exercises" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nirvik00/rust_exercises on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nirvik00/rust_exercises
[INFO] finished tweaking git repo https://github.com/nirvik00/rust_exercises
[INFO] tweaked toml for git repo https://github.com/nirvik00/rust_exercises written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nirvik00/rust_exercises 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41a1d5202ee0ebbd87b844b58b28dc6805796cbd28e16762159ebda9d29ceda9
[INFO] running `Command { std: "docker" "start" "-a" "41a1d5202ee0ebbd87b844b58b28dc6805796cbd28e16762159ebda9d29ceda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a1d5202ee0ebbd87b844b58b28dc6805796cbd28e16762159ebda9d29ceda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a1d5202ee0ebbd87b844b58b28dc6805796cbd28e16762159ebda9d29ceda9", kill_on_drop: false }`
[INFO] [stdout] 41a1d5202ee0ebbd87b844b58b28dc6805796cbd28e16762159ebda9d29ceda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586326f207ba59668646d56a1fe9718b4a2f8893d114d3165740239afd5045c7
[INFO] running `Command { std: "docker" "start" "-a" "586326f207ba59668646d56a1fe9718b4a2f8893d114d3165740239afd5045c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking p001 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `json::parse`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::parse;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Value`
[INFO] [stdout]  --> src/parse_json.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_string`
[INFO] [stdout]  --> src/parse_json.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::{from_str, to_string};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `env`, and `string`
[INFO] [stdout]  --> src/parse_json.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, env, string};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::parse`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::parse;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Result`
[INFO] [stdout]  --> src/func_json2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map` and `Value`
[INFO] [stdout]  --> src/func_json2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{Map, Value};
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Value`
[INFO] [stdout]  --> src/parse_json.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/maths.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_string`
[INFO] [stdout]  --> src/parse_json.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::{from_str, to_string};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pt2d` should have an upper camel case name
[INFO] [stdout]   --> src/structs2.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     struct pt2d(i32, i32);
[INFO] [stdout]    |            ^^^^ help: convert the identifier to upper camel case: `Pt2d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `env`, and `string`
[INFO] [stdout]  --> src/parse_json.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, env, string};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pt3d` should have an upper camel case name
[INFO] [stdout]   --> src/structs2.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     struct pt3d(i32, i32, i32);
[INFO] [stdout]    |            ^^^^ help: convert the identifier to upper camel case: `Pt3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Result`
[INFO] [stdout]  --> src/func_json2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Map` and `Value`
[INFO] [stdout]  --> src/func_json2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{Map, Value};
[INFO] [stdout]   |                  ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/maths.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pt2d` should have an upper camel case name
[INFO] [stdout]   --> src/structs2.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     struct pt2d(i32, i32);
[INFO] [stdout]    |            ^^^^ help: convert the identifier to upper camel case: `Pt2d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pt3d` should have an upper camel case name
[INFO] [stdout]   --> src/structs2.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     struct pt3d(i32, i32, i32);
[INFO] [stdout]    |            ^^^^ help: convert the identifier to upper camel case: `Pt3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/enums2.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Value::Integer(num) => println!("int {:?}", i),
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/enums2.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Value::Integer(num) => println!("int {:?}", i),
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/enums2.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Value::Float(num) => println!("float {:?}", i),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/enums2.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Value::Float(num) => println!("float {:?}", i),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade2` is never read
[INFO] [stdout]   --> src/conditionals.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut grade2: char = 'N';
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade2` is never read
[INFO] [stdout]   --> src/conditionals.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut grade2: char = 'N';
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/ownership.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut y = x;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/ownership.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut y = x;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/structs2.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let b = my_car.owner.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `car2`
[INFO] [stdout]   --> src/structs2.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let car2 = Car {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_car2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/structs2.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let p1 = (1, 3);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/structs2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let p2 = (4, 10, 12);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p01`
[INFO] [stdout]   --> src/structs2.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let p01 = pt2d(1, 2);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_p01`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p02`
[INFO] [stdout]   --> src/structs2.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let p02 = pt3d(1, 2, 4);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_p02`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/structs2.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let b = my_car.owner.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `car2`
[INFO] [stdout]   --> src/structs2.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let car2 = Car {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_car2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/structs2.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let p1 = (1, 3);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/structs2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let p2 = (4, 10, 12);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p01`
[INFO] [stdout]   --> src/structs2.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let p01 = pt2d(1, 2);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_p01`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p02`
[INFO] [stdout]   --> src/structs2.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let p02 = pt3d(1, 2, 4);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_p02`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/hashmaps.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Some(v) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/hashmaps.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Some(v) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hashmap_ex.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WeekDay` is never used
[INFO] [stdout]  --> src/enums2.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum WeekDay{
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TravelType` is never used
[INFO] [stdout]   --> src/enums2.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TravelType{
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_allowance` is never used
[INFO] [stdout]   --> src/enums2.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TravelType{
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 22 |     fn travel_allowance(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/enums2.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Value{
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/enums2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn run()
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/hashmap_ex.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/conditionals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/basics.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fn` is never used
[INFO] [stdout]   --> src/basics.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn my_fn(s: &str)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplication` is never used
[INFO] [stdout]   --> src/basics.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn multiplication(a:i32, b:i32) -> i32 
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f2` is never used
[INFO] [stdout]   --> src/basics.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn f2(a:i32, b:i32) -> (i32, i32, i32)
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/io_json.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Dog{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DogOwner` is never constructed
[INFO] [stdout]   --> src/io_json.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct DogOwner{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/io_json.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dog_serialization` is never used
[INFO] [stdout]   --> src/io_json.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn dog_serialization()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dog_deserialization` is never used
[INFO] [stdout]   --> src/io_json.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn dog_deserialization()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/ownership.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn takes_ownership(vec: &mut Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn give_ownership() -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combined_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn combined_ownership(mut v: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f2` is never used
[INFO] [stdout]   --> src/ownership.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn f2() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f3` is never used
[INFO] [stdout]   --> src/ownership.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn f3() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_str` is never used
[INFO] [stdout]   --> src/ownership.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn generate_str() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/parse_json.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_json` is never used
[INFO] [stdout]   --> src/parse_json.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn test_json(inp: Data) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/vectors.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/func_json.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/cli.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/funcs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/funcs.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn greet (g: &str, name: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/funcs.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn add(n1:i32, n2:i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/func_json2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/func_json2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> src/structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Color {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorX` is never constructed
[INFO] [stdout]  --> src/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ColorX (u8, u8, u8, u8);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/structs.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `full_name`, `set_last_name`, and `to_tuple` are never used
[INFO] [stdout]   --> src/structs.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 19 |     fn new(f: &str, l: &str) -> Person{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn full_name(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn set_last_name(&mut self, x: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn to_tuple(self) -> (String, String){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/structs.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/maths.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Car` is never constructed
[INFO] [stdout]  --> src/structs2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Car {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `display_car_info`, `update_fuel`, `sell`, `monthly_insurance`, and `selling_price` are never used
[INFO] [stdout]   --> src/structs2.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Car {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 9  |     fn new(name: String, year: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn display_car_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn update_fuel(&mut self, gallons: f32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn sell(self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn monthly_insurance() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn selling_price(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/structs2.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/structs2.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run3` is never used
[INFO] [stdout]   --> src/structs2.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn run3() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/structs_enums.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() 
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/options_ex.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grade` is never used
[INFO] [stdout]  --> src/options_ex.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_grade(n:&String, db:&Vec<Student>) -> Option<u32>{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/options_ex.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WeekDay` is never used
[INFO] [stdout]  --> src/enums2.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum WeekDay{
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/result_ex.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TravelType` is never used
[INFO] [stdout]   --> src/enums2.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TravelType{
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grade` is never used
[INFO] [stdout]  --> src/result_ex.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_grade(n:&String, db:&Vec<Student>) -> Option<u32>{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_allowance` is never used
[INFO] [stdout]   --> src/enums2.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TravelType{
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 22 |     fn travel_allowance(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_student` is never used
[INFO] [stdout]   --> src/result_ex.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn check_student(n:&String, db:&Vec<Student>) -> Result<(), String>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_student_grade` is never used
[INFO] [stdout]   --> src/result_ex.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn check_student_grade(n:&String, db:&Vec<Student>) -> Result<Option<u32>, String>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/enums2.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Value{
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/result_ex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/enums2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn run()
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/result_ex.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn run2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/conditionals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/hashmaps.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/hashmaps.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn run2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/basics.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fn` is never used
[INFO] [stdout]   --> src/basics.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn my_fn(s: &str)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `grade` are never read
[INFO] [stdout]  --> src/hashmap_ex.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Student {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 5 |     id: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout] 7 |     grade: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplication` is never used
[INFO] [stdout]   --> src/basics.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn multiplication(a:i32, b:i32) -> i32 
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/web_server.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f2` is never used
[INFO] [stdout]   --> src/basics.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn f2(a:i32, b:i32) -> (i32, i32, i32)
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/io_json.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Dog{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DogOwner` is never constructed
[INFO] [stdout]   --> src/io_json.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct DogOwner{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/io_json.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dog_serialization` is never used
[INFO] [stdout]   --> src/io_json.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn dog_serialization()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dog_deserialization` is never used
[INFO] [stdout]   --> src/io_json.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn dog_deserialization()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/ownership.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn takes_ownership(vec: &mut Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn give_ownership() -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combined_ownership` is never used
[INFO] [stdout]   --> src/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn combined_ownership(mut v: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f2` is never used
[INFO] [stdout]   --> src/ownership.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn f2() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f3` is never used
[INFO] [stdout]   --> src/ownership.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn f3() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_str` is never used
[INFO] [stdout]   --> src/ownership.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn generate_str() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/parse_json.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_json` is never used
[INFO] [stdout]   --> src/parse_json.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn test_json(inp: Data) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/vectors.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/func_json.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/cli.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/funcs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/funcs.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn greet (g: &str, name: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/funcs.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn add(n1:i32, n2:i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/func_json2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/func_json2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> src/structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Color {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorX` is never constructed
[INFO] [stdout]  --> src/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ColorX (u8, u8, u8, u8);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/structs.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `full_name`, `set_last_name`, and `to_tuple` are never used
[INFO] [stdout]   --> src/structs.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 19 |     fn new(f: &str, l: &str) -> Person{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn full_name(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn set_last_name(&mut self, x: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn to_tuple(self) -> (String, String){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/structs.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/maths.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Car` is never constructed
[INFO] [stdout]  --> src/structs2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Car {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `display_car_info`, `update_fuel`, `sell`, `monthly_insurance`, and `selling_price` are never used
[INFO] [stdout]   --> src/structs2.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Car {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 9  |     fn new(name: String, year: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn display_car_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn update_fuel(&mut self, gallons: f32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn sell(self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn monthly_insurance() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn selling_price(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/structs2.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/structs2.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run3` is never used
[INFO] [stdout]   --> src/structs2.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn run3() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/structs_enums.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() 
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/options_ex.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grade` is never used
[INFO] [stdout]  --> src/options_ex.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_grade(n:&String, db:&Vec<Student>) -> Option<u32>{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/options_ex.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/result_ex.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grade` is never used
[INFO] [stdout]  --> src/result_ex.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_grade(n:&String, db:&Vec<Student>) -> Option<u32>{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_student` is never used
[INFO] [stdout]   --> src/result_ex.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn check_student(n:&String, db:&Vec<Student>) -> Result<(), String>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_student_grade` is never used
[INFO] [stdout]   --> src/result_ex.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn check_student_grade(n:&String, db:&Vec<Student>) -> Result<Option<u32>, String>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/result_ex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn run() 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/result_ex.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn run2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/hashmaps.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run2` is never used
[INFO] [stdout]   --> src/hashmaps.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn run2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `grade` are never read
[INFO] [stdout]  --> src/hashmap_ex.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Student {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 5 |     id: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout] 7 |     grade: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/web_server.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/basics.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         format!("{fname} {lname}");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/basics.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         format!("{fname} {lname}");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "586326f207ba59668646d56a1fe9718b4a2f8893d114d3165740239afd5045c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586326f207ba59668646d56a1fe9718b4a2f8893d114d3165740239afd5045c7", kill_on_drop: false }`
[INFO] [stdout] 586326f207ba59668646d56a1fe9718b4a2f8893d114d3165740239afd5045c7
[INFO] checking nirvik00/rust_exercises against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirvik00%2Frust_exercises" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nirvik00/rust_exercises on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nirvik00/rust_exercises
[INFO] finished tweaking git repo https://github.com/nirvik00/rust_exercises
[INFO] tweaked toml for git repo https://github.com/nirvik00/rust_exercises written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nirvik00/rust_exercises 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" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fdca3c497bec3a797e43e536725e661f0b8c50f9c002e685c49aa86f9b482fa
[INFO] running `Command { std: "docker" "start" "-a" "3fdca3c497bec3a797e43e536725e661f0b8c50f9c002e685c49aa86f9b482fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fdca3c497bec3a797e43e536725e661f0b8c50f9c002e685c49aa86f9b482fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdca3c497bec3a797e43e536725e661f0b8c50f9c002e685c49aa86f9b482fa", kill_on_drop: false }`
[INFO] [stdout] 3fdca3c497bec3a797e43e536725e661f0b8c50f9c002e685c49aa86f9b482fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5506b07add00c2d9b0266884bea0077932a151bc8b10e0ed7e3556cbcdf87c
[INFO] running `Command { std: "docker" "start" "-a" "9b5506b07add00c2d9b0266884bea0077932a151bc8b10e0ed7e3556cbcdf87c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 841 | impl_integer_for_isize!(i8, test_integer_i8);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 842 | impl_integer_for_isize!(i16, test_integer_i16);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 843 | impl_integer_for_isize!(i32, test_integer_i32);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 844 | impl_integer_for_isize!(i64, test_integer_i64);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 845 | impl_integer_for_isize!(i128, test_integer_i128);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 846 | impl_integer_for_isize!(isize, test_integer_isize);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9b5506b07add00c2d9b0266884bea0077932a151bc8b10e0ed7e3556cbcdf87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5506b07add00c2d9b0266884bea0077932a151bc8b10e0ed7e3556cbcdf87c", kill_on_drop: false }`
[INFO] [stdout] 9b5506b07add00c2d9b0266884bea0077932a151bc8b10e0ed7e3556cbcdf87c