[INFO] cloning repository https://github.com/AskmethatFR/rust_learning_grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AskmethatFR/rust_learning_grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskmethatFR%2Frust_learning_grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskmethatFR%2Frust_learning_grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ab871a9a6529f97c9325f078d80baddfc942877
[INFO] checking AskmethatFR/rust_learning_grep against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskmethatFR%2Frust_learning_grep" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AskmethatFR/rust_learning_grep
[INFO] finished tweaking git repo https://github.com/AskmethatFR/rust_learning_grep
[INFO] tweaked toml for git repo https://github.com/AskmethatFR/rust_learning_grep written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AskmethatFR/rust_learning_grep on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AskmethatFR/rust_learning_grep 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c51e13d646b33bae2addd6a08b93ab078236af1b0e13be25cbf446c5f174413
[INFO] running `Command { std: "docker" "start" "-a" "4c51e13d646b33bae2addd6a08b93ab078236af1b0e13be25cbf446c5f174413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c51e13d646b33bae2addd6a08b93ab078236af1b0e13be25cbf446c5f174413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c51e13d646b33bae2addd6a08b93ab078236af1b0e13be25cbf446c5f174413", kill_on_drop: false }`
[INFO] [stdout] 4c51e13d646b33bae2addd6a08b93ab078236af1b0e13be25cbf446c5f174413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6135492eb6bb02f93474f2acb9a4e469220daf2d23bf96f4df7fc06f9406f05e
[INFO] running `Command { std: "docker" "start" "-a" "6135492eb6bb02f93474f2acb9a4e469220daf2d23bf96f4df7fc06f9406f05e", kill_on_drop: false }`
[INFO] [stderr]     Checking learning-grep-like v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]   --> src/grep/in_memory_file_reader.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn read_file(&self, file_path: &str) -> Vec<String> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileReadGateway` is never used
[INFO] [stdout]  --> src/grep/file_read_gateway.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait FileReadGateway {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SearchInText` is never constructed
[INFO] [stdout]  --> src/grep/search_in_text.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SearchInText<T: FileReadGateway> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `search_line_with_pattern` are never used
[INFO] [stdout]   --> src/grep/search_in_text.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<T: FileReadGateway> SearchInText<T> {
[INFO] [stdout]    | ---------------------------------------- associated items in this implementation
[INFO] [stdout] 9  |     pub fn new(file_reader_gateway: Arc<Mutex<T>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn search_line_with_pattern(&self, path: String, pattern: String) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InMemoryFileReader` is never constructed
[INFO] [stdout]  --> src/grep/in_memory_file_reader.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct InMemoryFileReader {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/grep/in_memory_file_reader.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl InMemoryFileReader {
[INFO] [stdout]   | ----------------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(text: String) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]   --> src/grep/in_memory_file_reader.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn read_file(&self, file_path: &str) -> Vec<String> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6135492eb6bb02f93474f2acb9a4e469220daf2d23bf96f4df7fc06f9406f05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6135492eb6bb02f93474f2acb9a4e469220daf2d23bf96f4df7fc06f9406f05e", kill_on_drop: false }`
[INFO] [stdout] 6135492eb6bb02f93474f2acb9a4e469220daf2d23bf96f4df7fc06f9406f05e
