[INFO] cloning repository https://github.com/psatomas/error_handling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/error_handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ferror_handling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ferror_handling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c574343146562852d2a0d46fddce64669e1deb02
[INFO] checking psatomas/error_handling against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ferror_handling" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/error_handling
[INFO] finished tweaking git repo https://github.com/psatomas/error_handling
[INFO] tweaked toml for git repo https://github.com/psatomas/error_handling written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/error_handling on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/error_handling 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `asking_the_user_for_input` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../asking_the_user_for_input
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `asking-the-user-for-input`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/asking_the_user_for_input.rs
[INFO] [stderr] 1 + src/bin/asking-the-user-for-input.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `coding_challenge` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../coding_challenge
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `coding-challenge`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/coding_challenge.rs
[INFO] [stderr] 1 + src/bin/coding-challenge.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `error_handling` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../error_handling
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `error-handling`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "error_handling"
[INFO] [stderr] 5 + name = "error-handling"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `error-handling`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "error-handling"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `opening_a_file` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../opening_a_file
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `opening-a-file`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/opening_a_file.rs
[INFO] [stderr] 1 + src/bin/opening-a-file.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `propagating_errors` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../propagating_errors
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `propagating-errors`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/propagating_errors.rs
[INFO] [stderr] 1 + src/bin/propagating-errors.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `reading_the_file_contents` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../reading_the_file_contents
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `reading-the-file-contents`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/reading_the_file_contents.rs
[INFO] [stderr] 1 + src/bin/reading-the-file-contents.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `standard_error_eprintln_macro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../standard_error_eprintln_macro
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `standard-error-eprintln-macro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/standard_error_eprintln_macro.rs
[INFO] [stderr] 1 + src/bin/standard-error-eprintln-macro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_panic_marcro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../the_panic_marcro
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-panic-marcro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_panic_marcro.rs
[INFO] [stderr] 1 + src/bin/the-panic-marcro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_process_module_and_the_exit_function` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../the_process_module_and_the_exit_function
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-process-module-and-the-exit-function`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_process_module_and_the_exit_function.rs
[INFO] [stderr] 1 + src/bin/the-process-module-and-the-exit-function.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_read_to_string_associated_function` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../the_read_to_string_associated_function
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-read-to-string-associated-function`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_read_to_string_associated_function.rs
[INFO] [stderr] 1 + src/bin/the-read-to-string-associated-function.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_try_operator` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../the_try_operator
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-try-operator`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_try_operator.rs
[INFO] [stderr] 1 + src/bin/the-try-operator.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `using_try_operator_with_option` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-2-tc2/source/target/.../using_try_operator_with_option
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `using-try-operator-with-option`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/using_try_operator_with_option.rs
[INFO] [stderr] 1 + src/bin/using-try-operator-with-option.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `error_handling` (manifest) generated 12 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510
[INFO] running `Command { std: "docker" "start" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510", 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" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `asking_the_user_for_input` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../asking_the_user_for_input
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `asking-the-user-for-input`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/asking_the_user_for_input.rs
[INFO] [stderr] 1 + src/bin/asking-the-user-for-input.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `coding_challenge` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../coding_challenge
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `coding-challenge`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/coding_challenge.rs
[INFO] [stderr] 1 + src/bin/coding-challenge.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `error_handling` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../error_handling
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `error-handling`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "error_handling"
[INFO] [stderr] 5 + name = "error-handling"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `error-handling`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "error-handling"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `opening_a_file` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../opening_a_file
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `opening-a-file`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/opening_a_file.rs
[INFO] [stderr] 1 + src/bin/opening-a-file.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `propagating_errors` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../propagating_errors
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `propagating-errors`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/propagating_errors.rs
[INFO] [stderr] 1 + src/bin/propagating-errors.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `reading_the_file_contents` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../reading_the_file_contents
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `reading-the-file-contents`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/reading_the_file_contents.rs
[INFO] [stderr] 1 + src/bin/reading-the-file-contents.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `standard_error_eprintln_macro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../standard_error_eprintln_macro
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `standard-error-eprintln-macro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/standard_error_eprintln_macro.rs
[INFO] [stderr] 1 + src/bin/standard-error-eprintln-macro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_panic_marcro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_panic_marcro
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-panic-marcro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_panic_marcro.rs
[INFO] [stderr] 1 + src/bin/the-panic-marcro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_process_module_and_the_exit_function` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_process_module_and_the_exit_function
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-process-module-and-the-exit-function`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_process_module_and_the_exit_function.rs
[INFO] [stderr] 1 + src/bin/the-process-module-and-the-exit-function.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_read_to_string_associated_function` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_read_to_string_associated_function
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-read-to-string-associated-function`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_read_to_string_associated_function.rs
[INFO] [stderr] 1 + src/bin/the-read-to-string-associated-function.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_try_operator` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_try_operator
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-try-operator`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_try_operator.rs
[INFO] [stderr] 1 + src/bin/the-try-operator.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `using_try_operator_with_option` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../using_try_operator_with_option
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `using-try-operator-with-option`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/using_try_operator_with_option.rs
[INFO] [stderr] 1 + src/bin/using-try-operator-with-option.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `error_handling` (manifest) generated 12 warnings
[INFO] [stderr]     Checking error_handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/bin/the_process_module_and_the_exit_function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     process::exit(1);
[INFO] [stdout]   |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 5 |     println!("This will not print");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/the_panic_marcro.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/bin/the_process_module_and_the_exit_function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     process::exit(1);
[INFO] [stdout]   |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 5 |     println!("This will not print");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/the_panic_marcro.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510", kill_on_drop: false }`
[INFO] [stdout] 210c64f4d077e9dcaace4f780a9e55bf6d635940507c1f5dc6b61f440306c510
