Dec 18 07:49:13.082 INFO checking EmmaLa/MonkeyInterpreter against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:49:13.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/EmmaLa/MonkeyInterpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:49:13.648 INFO [stdout] 1ad2b679e5ce2bdec3fa97d22dc6eaea69e1faa3cff1d8e1e554b1309139df6b
Dec 18 07:49:13.650 INFO running `"docker" "start" "-a" "1ad2b679e5ce2bdec3fa97d22dc6eaea69e1faa3cff1d8e1e554b1309139df6b"`
Dec 18 07:49:15.908 INFO [stderr]     Checking monkey_int v0.1.0 (/opt/crater/workdir)
Dec 18 07:49:16.484 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 18 07:49:16.484 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 18 07:49:16.484 INFO [stderr]     |
Dec 18 07:49:16.484 INFO [stderr] 155 |         use ast::Statement::*;
Dec 18 07:49:16.484 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.484 INFO [stderr]     |
Dec 18 07:49:16.484 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 07:49:16.484 INFO [stderr] 
Dec 18 07:49:16.484 INFO [stderr] warning: unused import: `repl::Repl`
Dec 18 07:49:16.485 INFO [stderr]  --> src/main.rs:6:5
Dec 18 07:49:16.485 INFO [stderr]   |
Dec 18 07:49:16.485 INFO [stderr] 6 | use repl::Repl;
Dec 18 07:49:16.485 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:49:16.485 INFO [stderr] 
Dec 18 07:49:16.485 INFO [stderr] warning: unused import: `std::fs::File`
Dec 18 07:49:16.485 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:49:16.485 INFO [stderr]   |
Dec 18 07:49:16.485 INFO [stderr] 8 | use std::fs::File;
Dec 18 07:49:16.486 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:49:16.486 INFO [stderr] 
Dec 18 07:49:16.486 INFO [stderr] warning: unused import: `std::io::Read`
Dec 18 07:49:16.486 INFO [stderr]  --> src/main.rs:9:5
Dec 18 07:49:16.486 INFO [stderr]   |
Dec 18 07:49:16.486 INFO [stderr] 9 | use std::io::Read;
Dec 18 07:49:16.486 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:49:16.486 INFO [stderr] 
Dec 18 07:49:16.487 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 18 07:49:16.487 INFO [stderr]   --> src/main.rs:10:5
Dec 18 07:49:16.487 INFO [stderr]    |
Dec 18 07:49:16.487 INFO [stderr] 10 | use std::iter::Peekable;
Dec 18 07:49:16.487 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.487 INFO [stderr] 
Dec 18 07:49:16.487 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 18 07:49:16.487 INFO [stderr]   --> src/main.rs:13:5
Dec 18 07:49:16.487 INFO [stderr]    |
Dec 18 07:49:16.488 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 18 07:49:16.488 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.488 INFO [stderr] 
Dec 18 07:49:16.525 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 18 07:49:16.525 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 18 07:49:16.525 INFO [stderr]     |
Dec 18 07:49:16.525 INFO [stderr] 155 |         use ast::Statement::*;
Dec 18 07:49:16.525 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.525 INFO [stderr]     |
Dec 18 07:49:16.525 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 07:49:16.525 INFO [stderr] 
Dec 18 07:49:16.525 INFO [stderr] warning: unused import: `repl::Repl`
Dec 18 07:49:16.525 INFO [stderr]  --> src/main.rs:6:5
Dec 18 07:49:16.525 INFO [stderr]   |
Dec 18 07:49:16.525 INFO [stderr] 6 | use repl::Repl;
Dec 18 07:49:16.526 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:49:16.526 INFO [stderr] 
Dec 18 07:49:16.526 INFO [stderr] warning: unused import: `std::fs::File`
Dec 18 07:49:16.526 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:49:16.526 INFO [stderr]   |
Dec 18 07:49:16.526 INFO [stderr] 8 | use std::fs::File;
Dec 18 07:49:16.532 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:49:16.532 INFO [stderr] 
Dec 18 07:49:16.532 INFO [stderr] warning: unused import: `std::io::Read`
Dec 18 07:49:16.532 INFO [stderr]  --> src/main.rs:9:5
Dec 18 07:49:16.532 INFO [stderr]   |
Dec 18 07:49:16.532 INFO [stderr] 9 | use std::io::Read;
Dec 18 07:49:16.532 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:49:16.532 INFO [stderr] 
Dec 18 07:49:16.532 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 18 07:49:16.532 INFO [stderr]   --> src/main.rs:10:5
Dec 18 07:49:16.532 INFO [stderr]    |
Dec 18 07:49:16.532 INFO [stderr] 10 | use std::iter::Peekable;
Dec 18 07:49:16.532 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.532 INFO [stderr] 
Dec 18 07:49:16.532 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 18 07:49:16.532 INFO [stderr]   --> src/main.rs:13:5
Dec 18 07:49:16.532 INFO [stderr]    |
Dec 18 07:49:16.532 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 18 07:49:16.532 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.532 INFO [stderr] 
Dec 18 07:49:16.753 INFO [stderr] warning: unused variable: `n`
Dec 18 07:49:16.753 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 18 07:49:16.753 INFO [stderr]    |
Dec 18 07:49:16.753 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 18 07:49:16.753 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 18 07:49:16.753 INFO [stderr]    |
Dec 18 07:49:16.753 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:49:16.753 INFO [stderr] 
Dec 18 07:49:16.753 INFO [stderr] warning: unused variable: `error`
Dec 18 07:49:16.753 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 18 07:49:16.753 INFO [stderr]    |
Dec 18 07:49:16.753 INFO [stderr] 27 |             Err(error) => {
Dec 18 07:49:16.754 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 18 07:49:16.754 INFO [stderr] 
Dec 18 07:49:16.768 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:49:16.769 INFO [stderr]   --> src/main.rs:51:9
Dec 18 07:49:16.769 INFO [stderr]    |
Dec 18 07:49:16.769 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 18 07:49:16.769 INFO [stderr]    |         ----^^^^^^^
Dec 18 07:49:16.769 INFO [stderr]    |         |
Dec 18 07:49:16.769 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:49:16.769 INFO [stderr]    |
Dec 18 07:49:16.769 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:49:16.769 INFO [stderr] 
Dec 18 07:49:16.814 INFO [stderr] warning: unused variable: `n`
Dec 18 07:49:16.814 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 18 07:49:16.814 INFO [stderr]    |
Dec 18 07:49:16.814 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 18 07:49:16.814 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 18 07:49:16.814 INFO [stderr]    |
Dec 18 07:49:16.814 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:49:16.820 INFO [stderr] 
Dec 18 07:49:16.820 INFO [stderr] warning: unused variable: `error`
Dec 18 07:49:16.820 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 18 07:49:16.820 INFO [stderr]    |
Dec 18 07:49:16.820 INFO [stderr] 27 |             Err(error) => {
Dec 18 07:49:16.820 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 18 07:49:16.820 INFO [stderr] 
Dec 18 07:49:16.830 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 18 07:49:16.830 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:49:16.830 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 18 07:49:16.831 INFO [stderr]   --> src/main.rs:51:9
Dec 18 07:49:16.831 INFO [stderr]    |
Dec 18 07:49:16.831 INFO [stderr]    |
Dec 18 07:49:16.831 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 18 07:49:16.831 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 18 07:49:16.831 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.831 INFO [stderr]    |         ----^^^^^^^
Dec 18 07:49:16.831 INFO [stderr]    |         |
Dec 18 07:49:16.831 INFO [stderr]    |         help: remove this `mut`
Dec 18 07:49:16.831 INFO [stderr]    |
Dec 18 07:49:16.831 INFO [stderr]    |
Dec 18 07:49:16.831 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:49:16.831 INFO [stderr] 
Dec 18 07:49:16.831 INFO [stderr] warning: method is never used: `read_identifier`
Dec 18 07:49:16.831 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 18 07:49:16.831 INFO [stderr]    |
Dec 18 07:49:16.831 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 18 07:49:16.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.831 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: function is never used: `is_letter`
Dec 18 07:49:16.832 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 18 07:49:16.832 INFO [stderr]    |
Dec 18 07:49:16.832 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 18 07:49:16.832 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 18 07:49:16.832 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 18 07:49:16.832 INFO [stderr]   |
Dec 18 07:49:16.832 INFO [stderr] 6 | pub struct Repl;
Dec 18 07:49:16.832 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: method is never used: `run`
Dec 18 07:49:16.832 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 18 07:49:16.832 INFO [stderr]   |
Dec 18 07:49:16.832 INFO [stderr] 9 |     pub fn run(){
Dec 18 07:49:16.832 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: method is never used: `read_user_input`
Dec 18 07:49:16.832 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 18 07:49:16.832 INFO [stderr]    |
Dec 18 07:49:16.832 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 18 07:49:16.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 18 07:49:16.832 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 18 07:49:16.832 INFO [stderr]    |
Dec 18 07:49:16.832 INFO [stderr] 51 |       Expression {
Dec 18 07:49:16.832 INFO [stderr]    |  _____^
Dec 18 07:49:16.832 INFO [stderr] 52 | |         token: Token,
Dec 18 07:49:16.832 INFO [stderr] 53 | |         value: Box<Statement>
Dec 18 07:49:16.832 INFO [stderr] 54 | |     },
Dec 18 07:49:16.832 INFO [stderr]    | |_____^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: variant is never constructed: `Call`
Dec 18 07:49:16.832 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 18 07:49:16.832 INFO [stderr]    |
Dec 18 07:49:16.832 INFO [stderr] 15 |     Call = 7
Dec 18 07:49:16.832 INFO [stderr]    |     ^^^^^^^^
Dec 18 07:49:16.832 INFO [stderr] 
Dec 18 07:49:16.832 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 18 07:49:16.832 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 18 07:49:16.836 INFO [stderr]     |
Dec 18 07:49:16.836 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 18 07:49:16.836 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.836 INFO [stderr] 
Dec 18 07:49:16.840 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 18 07:49:16.840 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 18 07:49:16.840 INFO [stderr]    |
Dec 18 07:49:16.840 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 18 07:49:16.840 INFO [stderr]    |             ^^^^^^
Dec 18 07:49:16.840 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:49:16.840 INFO [stderr] 
Dec 18 07:49:16.840 INFO [stderr]    |
Dec 18 07:49:16.840 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:49:16.840 INFO [stderr] 
Dec 18 07:49:16.840 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:49:16.840 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 18 07:49:16.840 INFO [stderr]    |
Dec 18 07:49:16.840 INFO [stderr] 14 |             io::stdout().flush();
Dec 18 07:49:16.840 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.840 INFO [stderr]    |
Dec 18 07:49:16.840 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:49:16.840 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:49:16.840 INFO [stderr] 
Dec 18 07:49:16.932 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 18 07:49:16.932 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 18 07:49:16.932 INFO [stderr]    |
Dec 18 07:49:16.932 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 18 07:49:16.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.932 INFO [stderr]    |
Dec 18 07:49:16.932 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:49:16.932 INFO [stderr] 
Dec 18 07:49:16.932 INFO [stderr] warning: method is never used: `read_identifier`
Dec 18 07:49:16.932 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 18 07:49:16.932 INFO [stderr]    |
Dec 18 07:49:16.932 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 18 07:49:16.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.932 INFO [stderr] 
Dec 18 07:49:16.932 INFO [stderr] warning: function is never used: `is_letter`
Dec 18 07:49:16.932 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 18 07:49:16.932 INFO [stderr]    |
Dec 18 07:49:16.932 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 18 07:49:16.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.933 INFO [stderr] 
Dec 18 07:49:16.933 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 18 07:49:16.933 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 18 07:49:16.933 INFO [stderr]   |
Dec 18 07:49:16.933 INFO [stderr] 6 | pub struct Repl;
Dec 18 07:49:16.933 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 18 07:49:16.933 INFO [stderr] 
Dec 18 07:49:16.933 INFO [stderr] warning: method is never used: `run`
Dec 18 07:49:16.933 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 18 07:49:16.933 INFO [stderr]   |
Dec 18 07:49:16.933 INFO [stderr] 9 |     pub fn run(){
Dec 18 07:49:16.933 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:49:16.933 INFO [stderr] 
Dec 18 07:49:16.933 INFO [stderr] warning: method is never used: `read_user_input`
Dec 18 07:49:16.934 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 18 07:49:16.934 INFO [stderr]    |
Dec 18 07:49:16.934 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 18 07:49:16.934 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.934 INFO [stderr] 
Dec 18 07:49:16.934 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 18 07:49:16.934 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 18 07:49:16.934 INFO [stderr]    |
Dec 18 07:49:16.934 INFO [stderr] 51 |       Expression {
Dec 18 07:49:16.934 INFO [stderr]    |  _____^
Dec 18 07:49:16.934 INFO [stderr] 52 | |         token: Token,
Dec 18 07:49:16.934 INFO [stderr] 53 | |         value: Box<Statement>
Dec 18 07:49:16.934 INFO [stderr] 54 | |     },
Dec 18 07:49:16.934 INFO [stderr]    | |_____^
Dec 18 07:49:16.934 INFO [stderr] 
Dec 18 07:49:16.934 INFO [stderr] warning: variant is never constructed: `Call`
Dec 18 07:49:16.934 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 18 07:49:16.934 INFO [stderr]    |
Dec 18 07:49:16.934 INFO [stderr] 15 |     Call = 7
Dec 18 07:49:16.934 INFO [stderr]    |     ^^^^^^^^
Dec 18 07:49:16.934 INFO [stderr] 
Dec 18 07:49:16.934 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 18 07:49:16.934 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 18 07:49:16.934 INFO [stderr]     |
Dec 18 07:49:16.934 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 18 07:49:16.934 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.934 INFO [stderr] 
Dec 18 07:49:16.937 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 18 07:49:16.937 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 18 07:49:16.938 INFO [stderr]    |
Dec 18 07:49:16.938 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 18 07:49:16.938 INFO [stderr]    |             ^^^^^^
Dec 18 07:49:16.938 INFO [stderr]    |
Dec 18 07:49:16.939 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 07:49:16.939 INFO [stderr] 
Dec 18 07:49:16.939 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:49:16.939 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 18 07:49:16.939 INFO [stderr]    |
Dec 18 07:49:16.939 INFO [stderr] 14 |             io::stdout().flush();
Dec 18 07:49:16.939 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:49:16.939 INFO [stderr]    |
Dec 18 07:49:16.939 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:49:16.939 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:49:16.939 INFO [stderr] 
Dec 18 07:49:16.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 18 07:49:17.984 INFO running `"docker" "inspect" "1ad2b679e5ce2bdec3fa97d22dc6eaea69e1faa3cff1d8e1e554b1309139df6b"`
Dec 18 07:49:18.354 INFO running `"docker" "rm" "-f" "1ad2b679e5ce2bdec3fa97d22dc6eaea69e1faa3cff1d8e1e554b1309139df6b"`
Dec 18 07:49:18.651 INFO [stdout] 1ad2b679e5ce2bdec3fa97d22dc6eaea69e1faa3cff1d8e1e554b1309139df6b