[INFO] cloning repository https://github.com/TateKennington/Rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TateKennington/Rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTateKennington%2FRlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTateKennington%2FRlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e29323a5d0ea8e4f32d9e5ca3c3e6a20d69d5c5c
[INFO] checking TateKennington/Rlox against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTateKennington%2FRlox" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TateKennington/Rlox on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TateKennington/Rlox
[INFO] finished tweaking git repo https://github.com/TateKennington/Rlox
[INFO] tweaked toml for git repo https://github.com/TateKennington/Rlox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TateKennington/Rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d05bfb940a3fca5dc73e73e4f9ad4ec07cba7307d697e26899c4397a755c950
[INFO] running `Command { std: "docker" "start" "-a" "9d05bfb940a3fca5dc73e73e4f9ad4ec07cba7307d697e26899c4397a755c950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d05bfb940a3fca5dc73e73e4f9ad4ec07cba7307d697e26899c4397a755c950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d05bfb940a3fca5dc73e73e4f9ad4ec07cba7307d697e26899c4397a755c950", kill_on_drop: false }`
[INFO] [stdout] 9d05bfb940a3fca5dc73e73e4f9ad4ec07cba7307d697e26899c4397a755c950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 375567401f8c162b70906a491422846a3a60f0cd817aa455e4e07c52d4f01589
[INFO] running `Command { std: "docker" "start" "-a" "375567401f8c162b70906a491422846a3a60f0cd817aa455e4e07c52d4f01589", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => panic!("Unsupported Expr"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => panic!("Unsupported Statement"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             _ => panic!("Unsupported Expression"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/lox.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let program = parser.parse();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]   --> src/lox/interpreter.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn interpret_literal(token: &Token, environment: &Rc<Environment>) -> Value {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut environment = environment::Environment::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rpn`
[INFO] [stdout]   --> src/lox/expr.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn print_rpn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_prompt`
[INFO] [stdout]   --> src/lox.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_prompt() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_file`
[INFO] [stdout]   --> src/lox.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run_file(path: &String, output: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `evaluate_run`
[INFO] [stdout]   --> src/lox.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn evaluate_run(source: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/lox/parser.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("Expected } at end of block")
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("{}", "Expected } at end of block")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => panic!("Unsupported Expr"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => panic!("Unsupported Statement"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             _ => panic!("Unsupported Expression"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/lox.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let program = parser.parse();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]   --> src/lox/interpreter.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn interpret_literal(token: &Token, environment: &Rc<Environment>) -> Value {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut environment = environment::Environment::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/stmt.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 writeln!(output, "{}", expr.interpret(environment));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rpn`
[INFO] [stdout]   --> src/lox/expr.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn print_rpn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_prompt`
[INFO] [stdout]   --> src/lox.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_prompt() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_file`
[INFO] [stdout]   --> src/lox.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run_file(path: &String, output: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `evaluate_run`
[INFO] [stdout]   --> src/lox.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn evaluate_run(source: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/lox/parser.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("Expected } at end of block")
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("{}", "Expected } at end of block")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lox::expr::Expr`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lox::expr::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType`, `Token`
[INFO] [stdout]  --> src/main.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lox::tokens::{Token, TokenType};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lox::expr::Expr`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lox::expr::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType`, `Token`
[INFO] [stdout]  --> src/main.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lox::tokens::{Token, TokenType};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/stmt.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 writeln!(output, "{}", expr.interpret(environment));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => panic!("Unsupported Expr"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => panic!("Unsupported Statement"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             _ => panic!("Unsupported Expression"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/lox.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let program = parser.parse();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]   --> src/lox/interpreter.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn interpret_literal(token: &Token, environment: &Rc<Environment>) -> Value {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut environment = environment::Environment::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/interpreter.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             _ => panic!("Unsupported Expr"),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => panic!("Unsupported Statement"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lox/stmt.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             _ => panic!("Unsupported Expression"),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/lox.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let program = parser.parse();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]   --> src/lox/interpreter.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn interpret_literal(token: &Token, environment: &Rc<Environment>) -> Value {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rpn`
[INFO] [stdout]   --> src/lox/expr.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn print_rpn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `evaluate_run`
[INFO] [stdout]   --> src/lox.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn evaluate_run(source: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/lox/parser.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("Expected } at end of block")
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("{}", "Expected } at end of block")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut environment = environment::Environment::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/stmt.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 writeln!(output, "{}", expr.interpret(environment));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rpn`
[INFO] [stdout]   --> src/lox/expr.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn print_rpn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `evaluate_run`
[INFO] [stdout]   --> src/lox.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn evaluate_run(source: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/lox/parser.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("Expected } at end of block")
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 112 |             panic!("{}", "Expected } at end of block")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lox/stmt.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 writeln!(output, "{}", expr.interpret(environment));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.90s
[INFO] running `Command { std: "docker" "inspect" "375567401f8c162b70906a491422846a3a60f0cd817aa455e4e07c52d4f01589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375567401f8c162b70906a491422846a3a60f0cd817aa455e4e07c52d4f01589", kill_on_drop: false }`
[INFO] [stdout] 375567401f8c162b70906a491422846a3a60f0cd817aa455e4e07c52d4f01589