[INFO] cloning repository https://github.com/kingAkande/RustP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kingAkande/RustP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkingAkande%2FRustP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkingAkande%2FRustP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ebf50bd58f0833cd8a74f75095ba9f3607e19ac
[INFO] checking kingAkande/RustP against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkingAkande%2FRustP" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kingAkande/RustP
[INFO] finished tweaking git repo https://github.com/kingAkande/RustP
[INFO] tweaked toml for git repo https://github.com/kingAkande/RustP written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kingAkande/RustP on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kingAkande/RustP 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69fcd09910d51a99cf6db2818446c360e9daccc3610591bd2f31a85dc089d276
[INFO] running `Command { std: "docker" "start" "-a" "69fcd09910d51a99cf6db2818446c360e9daccc3610591bd2f31a85dc089d276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69fcd09910d51a99cf6db2818446c360e9daccc3610591bd2f31a85dc089d276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fcd09910d51a99cf6db2818446c360e9daccc3610591bd2f31a85dc089d276", kill_on_drop: false }`
[INFO] [stdout] 69fcd09910d51a99cf6db2818446c360e9daccc3610591bd2f31a85dc089d276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da592af4be60e5ed3fd2959af8532d6c9f239f64c29f8cc094c584b42625d59
[INFO] running `Command { std: "docker" "start" "-a" "9da592af4be60e5ed3fd2959af8532d6c9f239f64c29f8cc094c584b42625d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]    --> src/test_trait.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | use std::string;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub mod test_trait;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `subjet_type` should have an upper camel case name
[INFO] [stdout]    --> src/test_trait.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct School<subjet_type:Subject>{
[INFO] [stdout]     |               ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubjetType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Vehicle_color` should have an upper camel case name
[INFO] [stdout]  --> src/mystruct.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Vehicle_color{
[INFO] [stdout]   |      ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VehicleColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]    --> src/test_trait.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | use std::string;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `subjet_type` should have an upper camel case name
[INFO] [stdout]    --> src/test_trait.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct School<subjet_type:Subject>{
[INFO] [stdout]     |               ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubjetType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Vehicle_color` should have an upper camel case name
[INFO] [stdout]  --> src/mystruct.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Vehicle_color{
[INFO] [stdout]   |      ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VehicleColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub1`
[INFO] [stdout]    --> src/test_trait.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let sub1 = Math{};
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sub1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub3`
[INFO] [stdout]    --> src/test_trait.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let sub3=Biology{};
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sub3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub1`
[INFO] [stdout]    --> src/test_trait.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let sub1 = Math{};
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sub1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub3`
[INFO] [stdout]    --> src/test_trait.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let sub3=Biology{};
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sub3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> src/optionenum.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut y: Option<u8> = None;
[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 `z` is never read
[INFO] [stdout]   --> src/optionenum.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut z: Option<String> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `q` is never read
[INFO] [stdout]   --> src/optionenum.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut q: Option< Character> = None;
[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/optionenum.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut y: Option<u8> = None;
[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 `z` is never read
[INFO] [stdout]   --> src/optionenum.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut z: Option<String> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `q` is never read
[INFO] [stdout]   --> src/optionenum.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut q: Option< Character> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_teacher` is never read
[INFO] [stdout]    --> src/test_trait.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct School<subjet_type:Subject>{
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 118 |     class_teacher: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Silver` and `Wine` are never constructed
[INFO] [stdout]  --> src/mystruct.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Vehicle_color{
[INFO] [stdout]   |      ------------- variants in this enum
[INFO] [stdout] 7 |     Gold,
[INFO] [stdout] 8 |     Silver,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     Wine,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vehicle_color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `model` are never read
[INFO] [stdout]   --> src/mystruct.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Vehicle{
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     model: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` 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 `changeColor` should have a snake case name
[INFO] [stdout]   --> src/mystruct.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn changeColor(&mut self , new_Color:Vehicle_color) {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to snake case: `change_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_Color` should have a snake case name
[INFO] [stdout]   --> src/mystruct.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn changeColor(&mut self , new_Color:Vehicle_color) {
[INFO] [stdout]    |                                ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `new_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_teacher` is never read
[INFO] [stdout]    --> src/test_trait.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct School<subjet_type:Subject>{
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 118 |     class_teacher: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Silver` and `Wine` are never constructed
[INFO] [stdout]  --> src/mystruct.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Vehicle_color{
[INFO] [stdout]   |      ------------- variants in this enum
[INFO] [stdout] 7 |     Gold,
[INFO] [stdout] 8 |     Silver,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     Wine,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vehicle_color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `model` are never read
[INFO] [stdout]   --> src/mystruct.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Vehicle{
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     model: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` 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 `changeColor` should have a snake case name
[INFO] [stdout]   --> src/mystruct.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn changeColor(&mut self , new_Color:Vehicle_color) {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to snake case: `change_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_Color` should have a snake case name
[INFO] [stdout]   --> src/mystruct.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn changeColor(&mut self , new_Color:Vehicle_color) {
[INFO] [stdout]    |                                ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `new_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "9da592af4be60e5ed3fd2959af8532d6c9f239f64c29f8cc094c584b42625d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da592af4be60e5ed3fd2959af8532d6c9f239f64c29f8cc094c584b42625d59", kill_on_drop: false }`
[INFO] [stdout] 9da592af4be60e5ed3fd2959af8532d6c9f239f64c29f8cc094c584b42625d59