[INFO] cloning repository https://github.com/Cyphle/kata-rpncalculator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cyphle/kata-rpncalculator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyphle%2Fkata-rpncalculator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyphle%2Fkata-rpncalculator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 387a160bbacc6526f29f079f1c3f89a11638962b
[INFO] checking Cyphle/kata-rpncalculator-rs/387a160bbacc6526f29f079f1c3f89a11638962b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyphle%2Fkata-rpncalculator-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cyphle/kata-rpncalculator-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cyphle/kata-rpncalculator-rs
[INFO] finished tweaking git repo https://github.com/Cyphle/kata-rpncalculator-rs
[INFO] tweaked toml for git repo https://github.com/Cyphle/kata-rpncalculator-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cyphle/kata-rpncalculator-rs 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc0f4f31139841bb6a62278f641eebe1cc4960225ba7d1c6c800568dec67de70
[INFO] running `Command { std: "docker" "start" "-a" "bc0f4f31139841bb6a62278f641eebe1cc4960225ba7d1c6c800568dec67de70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc0f4f31139841bb6a62278f641eebe1cc4960225ba7d1c6c800568dec67de70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0f4f31139841bb6a62278f641eebe1cc4960225ba7d1c6c800568dec67de70", kill_on_drop: false }`
[INFO] [stdout] bc0f4f31139841bb6a62278f641eebe1cc4960225ba7d1c6c800568dec67de70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0319b489c046c08888f473fbfb50130f558826d213388154b7ad6cacc7b36883
[INFO] running `Command { std: "docker" "start" "-a" "0319b489c046c08888f473fbfb50130f558826d213388154b7ad6cacc7b36883", kill_on_drop: false }`
[INFO] [stderr]     Checking kata-rpncalculator-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::operators::operators::Operators`
[INFO] [stdout]  --> src/operators/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::operators::operators::Operators;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PLUS`, `MINUS`, `MULTIPLY`, and `DIVIDE` are never constructed
[INFO] [stdout]  --> src/operators/operators.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Operators {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     PLUS,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     MINUS,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     MULTIPLY,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     DIVIDE,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operators` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_operator_from` is never used
[INFO] [stdout]  --> src/operators/operators.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn find_operator_from(symbol: &char) -> Option<Operators> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_operation` is never used
[INFO] [stdout]   --> src/operators/operators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn apply_operation(left_operand: f32, right_operand: f32, operator: Operators) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_to_f32` is never used
[INFO] [stdout]  --> src/operators/operations.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn string_to_f32(to_parse: &String) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_instruction_at` is never used
[INFO] [stdout]   --> src/operators/operations.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn get_instruction_at(instructions: &Vec<String>, index: usize) -> &String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_calculation` is never used
[INFO] [stdout]   --> src/operators/operations.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn apply_calculation(instructions: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_string_to_char_vec` is never used
[INFO] [stdout]  --> src/transformers/string_transformers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn from_string_to_char_vec(original: &str) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_with_rpn` is never used
[INFO] [stdout]  --> src/rpn/rpn_calculator.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn calculate_with_rpn(input: &str) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "0319b489c046c08888f473fbfb50130f558826d213388154b7ad6cacc7b36883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0319b489c046c08888f473fbfb50130f558826d213388154b7ad6cacc7b36883", kill_on_drop: false }`
[INFO] [stdout] 0319b489c046c08888f473fbfb50130f558826d213388154b7ad6cacc7b36883