[INFO] cloning repository https://github.com/skushagra9/rust-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skushagra9/rust-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Frust-cli", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62a3829c4469421e93fe20bb072750c1a7636b6f
[INFO] checking skushagra9/rust-cli against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Frust-cli" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/skushagra9/rust-cli
[INFO] finished tweaking git repo https://github.com/skushagra9/rust-cli
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[INFO] validating manifest of git repo https://github.com/skushagra9/rust-cli on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566
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[INFO] crate git repo https://github.com/skushagra9/rust-cli 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 14ca12ed488762c960cd8db40f517c30b720c662dd314ff20e4088ab6cff092c
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[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let _ = writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let _ = writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let _ = writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = writeln!(writer, "{}", line_content);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/grep.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let _ = writeln!(writer, "Error reading line: {}", e);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_str` found for struct `NamedTempFile` in the current scope
[INFO] [stdout]    --> tests/cli.rs:20:10
[INFO] [stdout]     |
[INFO] [stdout]  20 |     file.write_str("A test\nActual content\nMore content\nAnother test")?;
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_fs-1.1.1/src/fixture/tools.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn write_str(&self, data: &str) -> Result<(), FixtureError>;
[INFO] [stdout]     |        --------- the method is available for `NamedTempFile` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `to_str` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/2aabf3ce0569dd7c8c2d2a27944850056dcf2566/library/std/src/path.rs:2482:4
[INFO] [stdout] help: trait `FileWriteStr` which provides `write_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use assert_fs::fixture::FileWriteStr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grrs` (test "cli") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "14ca12ed488762c960cd8db40f517c30b720c662dd314ff20e4088ab6cff092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ca12ed488762c960cd8db40f517c30b720c662dd314ff20e4088ab6cff092c", kill_on_drop: false }`
[INFO] [stdout] 14ca12ed488762c960cd8db40f517c30b720c662dd314ff20e4088ab6cff092c
