[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] testing psatomas/error_handling against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[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 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "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" "+1.99.0-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-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] e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0
[INFO] running `Command { std: "docker" "start" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", 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" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", 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" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `release` profile [optimized] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", 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" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `release` profile [optimized] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", 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" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stdout] 
[INFO] [stderr]  --> src/bin/the_process_module_and_the_exit_function.rs:5:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 4 |     process::exit(1);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stderr] 5 |     println!("This will not print");
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `error_handling` (bin "the_process_module_and_the_exit_function" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/bin/the_panic_marcro.rs:2:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 |     let a = 1;
[INFO] [stdout] 
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `error_handling` (bin "the_panic_marcro" test) generated 1 warning (run `cargo fix --bin "the_panic_marcro" -p error_handling --tests` to apply 1 suggestion)
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/bin/asking_the_user_for_input.rs (/opt/rustwide/target/release/deps/asking_the_user_for_input-d3990f6ad62e89d8)
[INFO] [stderr]      Running unittests src/bin/coding_challenge.rs (/opt/rustwide/target/release/deps/coding_challenge-81b253fcf2e8593b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/error_handling-a2d68bf80359c53b)
[INFO] [stderr]      Running unittests src/bin/opening_a_file.rs (/opt/rustwide/target/release/deps/opening_a_file-c0ccc9ba8268bf48)
[INFO] [stderr]      Running unittests src/bin/propagating_errors.rs (/opt/rustwide/target/release/deps/propagating_errors-2b0ea2bbf07429c8)
[INFO] [stderr]      Running unittests src/bin/reading_the_file_contents.rs (/opt/rustwide/target/release/deps/reading_the_file_contents-e66b240931a6565e)
[INFO] [stderr]      Running unittests src/bin/standard_error_eprintln_macro.rs (/opt/rustwide/target/release/deps/standard_error_eprintln_macro-6a4125c97893fb56)
[INFO] [stderr]      Running unittests src/bin/the_panic_marcro.rs (/opt/rustwide/target/release/deps/the_panic_marcro-81589acc5cd3b78c)
[INFO] [stderr]      Running unittests src/bin/the_process_module_and_the_exit_function.rs (/opt/rustwide/target/release/deps/the_process_module_and_the_exit_function-05316a8eb28f4a2c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/the_read_to_string_associated_function.rs (/opt/rustwide/target/release/deps/the_read_to_string_associated_function-5fe88521589ee851)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/the_try_operator.rs (/opt/rustwide/target/release/deps/the_try_operator-79175b256fa4e365)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/using_try_operator_with_option.rs (/opt/rustwide/target/release/deps/using_try_operator_with_option-2f3cd9d397224fb5)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0", kill_on_drop: false }`
[INFO] [stdout] e7f5d3bcc1c36bebbcc300ec73b6fec06bfc26497d041f949a972efcc9f99ab0
