[INFO] cloning repository https://github.com/femiopebiyi/Rust-Trainings-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/femiopebiyi/Rust-Trainings-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemiopebiyi%2FRust-Trainings-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemiopebiyi%2FRust-Trainings-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 984c3d52a86da14458d5ddd77a459c9211c02c92
[INFO] testing femiopebiyi/Rust-Trainings- against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemiopebiyi%2FRust-Trainings-" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/femiopebiyi/Rust-Trainings-
[INFO] finished tweaking git repo https://github.com/femiopebiyi/Rust-Trainings-
[INFO] tweaked toml for git repo https://github.com/femiopebiyi/Rust-Trainings- written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/femiopebiyi/Rust-Trainings- on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/femiopebiyi/Rust-Trainings- 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05
[INFO] running `Command { std: "docker" "start" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `my_module::transformer`
[INFO] [stdout]   --> src/quiz1.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use my_module::transformer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `quiz1::Command` is more private than the item `transformer`
[INFO] [stdout]   --> src/quiz1.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `transformer` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `quiz1::Command` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/quiz1.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> src/quiz1.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transformer` is never used
[INFO] [stdout]   --> src/quiz1.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReportCard` is never constructed
[INFO] [stdout]   --> src/quiz2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct ReportCard<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/quiz2.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T: Display> ReportCard<T> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 25 |     fn print(&self) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Repository` is never used
[INFO] [stdout]  --> src/quiz3.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Repository {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/quiz3.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InMemoryUserRepo` is never constructed
[INFO] [stdout]   --> src/quiz3.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct InMemoryUserRepo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/quiz3.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl InMemoryUserRepo {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 27 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_and_fetch` is never used
[INFO] [stdout]   --> src/quiz3.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn create_and_fetch<R: Repository>(repo: &mut R, item: R::Item) -> Result<(), R::Error>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `quiz1::Command` is more private than the item `transformer`
[INFO] [stdout]   --> src/quiz1.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `transformer` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `quiz1::Command` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/quiz1.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/quiz3.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | trait Repository {
[INFO] [stdout]    |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn delete(&mut self, id: Self::Id) -> Result<bool, Self::Error>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `email` is never read
[INFO] [stdout]   --> src/quiz3.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct User {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout] 18 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: type `quiz1::Command` is more private than the item `transformer`
[INFO] [stderr]   --> src/quiz1.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `transformer` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `quiz1::Command` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/quiz1.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum Command {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `delete` is never used
[INFO] [stderr]   --> src/quiz3.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | trait Repository {
[INFO] [stderr]    |       ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn delete(&mut self, id: Self::Id) -> Result<bool, Self::Error>;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `email` is never read
[INFO] [stderr]   --> src/quiz3.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct User {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 17 |     name: String,
[INFO] [stderr] 18 |     email: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `training` (bin "training" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/training/585dafe03307c20a/out/training-585dafe03307c20a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test quiz1::tests::it_works ... ok
[INFO] [stdout] test quiz3::tests::check_create_and_fetch ... ok
[INFO] [stdout] test quiz2::tests::generate_numeric_report_card ... ok
[INFO] [stdout] test quiz2::tests::generate_alphabetic_report_card ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05", kill_on_drop: false }`
[INFO] [stdout] 804ebe98c19c1fd9f1b0f56d3ce3e6351d633b5792aa967bb41905f180f63b05