[INFO] cloning repository https://github.com/ibrahmad18/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibrahmad18/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahmad18%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahmad18%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d15180999b8122820daf5ecf8e11a12fb2a86c50
[INFO] checking ibrahmad18/rust_examples against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahmad18%2Frust_examples" "/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/ibrahmad18/rust_examples
[INFO] finished tweaking git repo https://github.com/ibrahmad18/rust_examples
[INFO] tweaked toml for git repo https://github.com/ibrahmad18/rust_examples written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ibrahmad18/rust_examples on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ibrahmad18/rust_examples 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b582f947647b94beca1b4f34c0c5d9bb4aebb9b2f0808110976eea4163da44b4
[INFO] running `Command { std: "docker" "start" "-a" "b582f947647b94beca1b4f34c0c5d9bb4aebb9b2f0808110976eea4163da44b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b582f947647b94beca1b4f34c0c5d9bb4aebb9b2f0808110976eea4163da44b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b582f947647b94beca1b4f34c0c5d9bb4aebb9b2f0808110976eea4163da44b4", kill_on_drop: false }`
[INFO] [stdout] b582f947647b94beca1b4f34c0c5d9bb4aebb9b2f0808110976eea4163da44b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2d1918f465010d9cf586fa6fe2a60c07202e43c1ee5f815318383e4f9d7c830
[INFO] running `Command { std: "docker" "start" "-a" "e2d1918f465010d9cf586fa6fe2a60c07202e43c1ee5f815318383e4f9d7c830", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/calc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |               /// validate a number before send it to return of method
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 | /             match input.trim().parse::<f64>(){
[INFO] [stdout] 50 | |                 Ok(num) => return num,
[INFO] [stdout] 51 | |                 Err(_)  => println!("Invalid input, enter a valid number"),
[INFO] [stdout] 52 | |             }
[INFO] [stdout]    | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/calc.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |               /// validate a number before send it to return of method
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 | /             match input.trim().parse::<f64>(){
[INFO] [stdout] 50 | |                 Ok(num) => return num,
[INFO] [stdout] 51 | |                 Err(_)  => println!("Invalid input, enter a valid number"),
[INFO] [stdout] 52 | |             }
[INFO] [stdout]    | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_app` is never used
[INFO] [stdout]  --> src/hello_user.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn start_app() {
[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 `start_app` is never used
[INFO] [stdout]  --> src/hello_user.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn start_app() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e2d1918f465010d9cf586fa6fe2a60c07202e43c1ee5f815318383e4f9d7c830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d1918f465010d9cf586fa6fe2a60c07202e43c1ee5f815318383e4f9d7c830", kill_on_drop: false }`
[INFO] [stdout] e2d1918f465010d9cf586fa6fe2a60c07202e43c1ee5f815318383e4f9d7c830
