Nov 16 13:41:32.616 INFO testing shhr1214/monkey-rust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 13:41:32.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 13:41:33.051 INFO [stdout] a7aa2f99440cd96de198b5f468926923b1ede44025ad74c9f3144d2fda15ad4e
Nov 16 13:41:33.051 INFO running `"docker" "start" "-a" "a7aa2f99440cd96de198b5f468926923b1ede44025ad74c9f3144d2fda15ad4e"`
Nov 16 13:41:33.567 INFO [stderr] usermod: no changes
Nov 16 13:41:33.635 INFO [stderr]    Compiling monkey-rust v0.1.0 (/source)
Nov 16 13:41:33.839 INFO [stderr] warning: unused import: `token::Token`
Nov 16 13:41:33.839 INFO [stderr]  --> src/ast.rs:2:5
Nov 16 13:41:33.839 INFO [stderr]   |
Nov 16 13:41:33.839 INFO [stderr] 2 | use token::Token;
Nov 16 13:41:33.839 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 16 13:41:33.839 INFO [stderr]   |
Nov 16 13:41:33.839 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 13:41:33.839 INFO [stderr] 
Nov 16 13:41:33.839 INFO [stderr] warning: unused imports: `Node`, `Statement`
Nov 16 13:41:33.839 INFO [stderr]  --> src/parser.rs:1:11
Nov 16 13:41:33.839 INFO [stderr]   |
Nov 16 13:41:33.840 INFO [stderr] 1 | use ast::{Node, Program, Statement};
Nov 16 13:41:33.840 INFO [stderr]   |           ^^^^           ^^^^^^^^^
Nov 16 13:41:33.840 INFO [stderr] 
Nov 16 13:41:33.840 INFO [stderr] warning: unused import: `token`
Nov 16 13:41:33.840 INFO [stderr]  --> src/parser.rs:3:5
Nov 16 13:41:33.840 INFO [stderr]   |
Nov 16 13:41:33.840 INFO [stderr] 3 | use token;
Nov 16 13:41:33.840 INFO [stderr]   |     ^^^^^
Nov 16 13:41:33.840 INFO [stderr] 
Nov 16 13:41:33.840 INFO [stderr] warning: unused import: `Result`
Nov 16 13:41:33.840 INFO [stderr]  --> src/repl.rs:1:41
Nov 16 13:41:33.840 INFO [stderr]   |
Nov 16 13:41:33.840 INFO [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write};
Nov 16 13:41:33.840 INFO [stderr]   |                                         ^^^^^^
Nov 16 13:41:33.840 INFO [stderr] 
Nov 16 13:41:33.919 INFO [stderr] warning: enum is never used: `Statement`
Nov 16 13:41:33.919 INFO [stderr]  --> src/ast.rs:8:1
Nov 16 13:41:33.919 INFO [stderr]   |
Nov 16 13:41:33.919 INFO [stderr] 8 | pub enum Statement {
Nov 16 13:41:33.919 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.919 INFO [stderr]   |
Nov 16 13:41:33.919 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 13:41:33.919 INFO [stderr] 
Nov 16 13:41:33.919 INFO [stderr] warning: struct is never constructed: `Expression`
Nov 16 13:41:33.919 INFO [stderr]   --> src/ast.rs:22:1
Nov 16 13:41:33.919 INFO [stderr]    |
Nov 16 13:41:33.919 INFO [stderr] 22 | pub struct Expression {}
Nov 16 13:41:33.919 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.919 INFO [stderr] 
Nov 16 13:41:33.919 INFO [stderr] warning: struct is never constructed: `Program`
Nov 16 13:41:33.920 INFO [stderr]   --> src/ast.rs:24:1
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 24 | pub struct Program {
Nov 16 13:41:33.920 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `new`
Nov 16 13:41:33.920 INFO [stderr]   --> src/ast.rs:29:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 29 |     pub fn new() -> Program {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `statements`
Nov 16 13:41:33.920 INFO [stderr]   --> src/ast.rs:35:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 35 |     pub fn statements(self) -> Vec<Statement> {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: struct is never constructed: `Identifier`
Nov 16 13:41:33.920 INFO [stderr]   --> src/ast.rs:53:1
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 53 | pub struct Identifier(pub String);
Nov 16 13:41:33.920 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 16 13:41:33.920 INFO [stderr]  --> src/parser.rs:6:1
Nov 16 13:41:33.920 INFO [stderr]   |
Nov 16 13:41:33.920 INFO [stderr] 6 | struct Parser {
Nov 16 13:41:33.920 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `new`
Nov 16 13:41:33.920 INFO [stderr]   --> src/parser.rs:13:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 13 |     pub fn new(mut lexer: Lexer) -> Parser {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `next_token`
Nov 16 13:41:33.920 INFO [stderr]   --> src/parser.rs:23:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 23 |     fn next_token(mut self) {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `parse_program`
Nov 16 13:41:33.920 INFO [stderr]   --> src/parser.rs:28:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 28 |     fn parse_program(&self) -> Program {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.920 INFO [stderr] warning: method is never used: `literal`
Nov 16 13:41:33.920 INFO [stderr]   --> src/token.rs:60:5
Nov 16 13:41:33.920 INFO [stderr]    |
Nov 16 13:41:33.920 INFO [stderr] 60 |     pub fn literal(&self) -> String {
Nov 16 13:41:33.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.920 INFO [stderr] 
Nov 16 13:41:33.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.926 INFO [stderr]   --> src/repl.rs:10:5
Nov 16 13:41:33.926 INFO [stderr]    |
Nov 16 13:41:33.926 INFO [stderr] 10 |     output.write(PROMPT.as_bytes());
Nov 16 13:41:33.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.926 INFO [stderr]    |
Nov 16 13:41:33.926 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 13:41:33.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.926 INFO [stderr] 
Nov 16 13:41:33.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.926 INFO [stderr]   --> src/repl.rs:11:5
Nov 16 13:41:33.927 INFO [stderr]    |
Nov 16 13:41:33.927 INFO [stderr] 11 |     output.flush();
Nov 16 13:41:33.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 13:41:33.927 INFO [stderr]    |
Nov 16 13:41:33.927 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.927 INFO [stderr] 
Nov 16 13:41:33.927 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.927 INFO [stderr]   --> src/repl.rs:20:13
Nov 16 13:41:33.927 INFO [stderr]    |
Nov 16 13:41:33.927 INFO [stderr] 20 |             output.write(token.display().as_bytes());
Nov 16 13:41:33.927 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.927 INFO [stderr]    |
Nov 16 13:41:33.927 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.927 INFO [stderr] 
Nov 16 13:41:33.927 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.927 INFO [stderr]   --> src/repl.rs:21:13
Nov 16 13:41:33.927 INFO [stderr]    |
Nov 16 13:41:33.927 INFO [stderr] 21 |             output.write("\n".as_bytes());
Nov 16 13:41:33.927 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.928 INFO [stderr]    |
Nov 16 13:41:33.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.928 INFO [stderr] 
Nov 16 13:41:33.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.928 INFO [stderr]   --> src/repl.rs:22:13
Nov 16 13:41:33.928 INFO [stderr]    |
Nov 16 13:41:33.928 INFO [stderr] 22 |             output.flush();
Nov 16 13:41:33.928 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Nov 16 13:41:33.928 INFO [stderr]    |
Nov 16 13:41:33.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.931 INFO [stderr] 
Nov 16 13:41:33.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.931 INFO [stderr]   --> src/repl.rs:24:9
Nov 16 13:41:33.931 INFO [stderr]    |
Nov 16 13:41:33.931 INFO [stderr] 24 |         output.write(PROMPT.as_bytes());
Nov 16 13:41:33.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:33.931 INFO [stderr]    |
Nov 16 13:41:33.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.931 INFO [stderr] 
Nov 16 13:41:33.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:33.931 INFO [stderr]   --> src/repl.rs:25:9
Nov 16 13:41:33.931 INFO [stderr]    |
Nov 16 13:41:33.931 INFO [stderr] 25 |         output.flush();
Nov 16 13:41:33.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 16 13:41:33.931 INFO [stderr]    |
Nov 16 13:41:33.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:33.932 INFO [stderr] 
Nov 16 13:41:34.422 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 16 13:41:34.424 INFO [stderr] su: No module specific data is present
Nov 16 13:41:34.666 INFO running `"docker" "inspect" "a7aa2f99440cd96de198b5f468926923b1ede44025ad74c9f3144d2fda15ad4e"`
Nov 16 13:41:34.755 INFO running `"docker" "rm" "-f" "a7aa2f99440cd96de198b5f468926923b1ede44025ad74c9f3144d2fda15ad4e"`
Nov 16 13:41:34.911 INFO [stdout] a7aa2f99440cd96de198b5f468926923b1ede44025ad74c9f3144d2fda15ad4e
Nov 16 13:41:34.927 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 13:41:35.384 INFO [stdout] 42c851c0db21d7bc8a0812efb07354ae2a821c80f2d81711c6dc860df14ada7e
Nov 16 13:41:35.391 INFO running `"docker" "start" "-a" "42c851c0db21d7bc8a0812efb07354ae2a821c80f2d81711c6dc860df14ada7e"`
Nov 16 13:41:36.595 INFO [stderr] usermod: no changes
Nov 16 13:41:36.651 INFO [stderr]    Compiling monkey-rust v0.1.0 (/source)
Nov 16 13:41:36.873 INFO [stderr] warning: unused import: `token::Token`
Nov 16 13:41:36.874 INFO [stderr]  --> src/ast.rs:2:5
Nov 16 13:41:36.874 INFO [stderr]   |
Nov 16 13:41:36.874 INFO [stderr] 2 | use token::Token;
Nov 16 13:41:36.874 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 16 13:41:36.874 INFO [stderr]   |
Nov 16 13:41:36.874 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 13:41:36.874 INFO [stderr] 
Nov 16 13:41:36.874 INFO [stderr] warning: unused import: `Node`
Nov 16 13:41:36.874 INFO [stderr]  --> src/parser.rs:1:11
Nov 16 13:41:36.874 INFO [stderr]   |
Nov 16 13:41:36.874 INFO [stderr] 1 | use ast::{Node, Program, Statement};
Nov 16 13:41:36.874 INFO [stderr]   |           ^^^^
Nov 16 13:41:36.874 INFO [stderr] 
Nov 16 13:41:36.874 INFO [stderr] warning: unused import: `Result`
Nov 16 13:41:36.874 INFO [stderr]  --> src/repl.rs:1:41
Nov 16 13:41:36.874 INFO [stderr]   |
Nov 16 13:41:36.875 INFO [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write};
Nov 16 13:41:36.875 INFO [stderr]   |                                         ^^^^^^
Nov 16 13:41:36.875 INFO [stderr] 
Nov 16 13:41:36.995 INFO [stderr] warning: unused variable: `e`
Nov 16 13:41:36.995 INFO [stderr]   --> src/parser.rs:65:40
Nov 16 13:41:36.995 INFO [stderr]    |
Nov 16 13:41:36.995 INFO [stderr] 65 |             Statement::LetStatement(i, e) => {
Nov 16 13:41:36.995 INFO [stderr]    |                                        ^ help: consider using `_e` instead
Nov 16 13:41:36.995 INFO [stderr]    |
Nov 16 13:41:36.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:41:36.995 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: variant is never constructed: `LetStatement`
Nov 16 13:41:37.035 INFO [stderr]  --> src/ast.rs:9:5
Nov 16 13:41:37.035 INFO [stderr]   |
Nov 16 13:41:37.035 INFO [stderr] 9 |     LetStatement(Identifier, Expression),
Nov 16 13:41:37.035 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr]   |
Nov 16 13:41:37.035 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: variant is never constructed: `ExpressionStatement`
Nov 16 13:41:37.035 INFO [stderr]   --> src/ast.rs:10:5
Nov 16 13:41:37.035 INFO [stderr]    |
Nov 16 13:41:37.035 INFO [stderr] 10 |     ExpressionStatement(Expression),
Nov 16 13:41:37.035 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: field is never used: `lexer`
Nov 16 13:41:37.035 INFO [stderr]  --> src/parser.rs:7:5
Nov 16 13:41:37.035 INFO [stderr]   |
Nov 16 13:41:37.035 INFO [stderr] 7 |     lexer: Lexer,
Nov 16 13:41:37.035 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: field is never used: `cur_token`
Nov 16 13:41:37.035 INFO [stderr]  --> src/parser.rs:8:5
Nov 16 13:41:37.035 INFO [stderr]   |
Nov 16 13:41:37.035 INFO [stderr] 8 |     cur_token: Token,
Nov 16 13:41:37.035 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: field is never used: `peek_token`
Nov 16 13:41:37.035 INFO [stderr]  --> src/parser.rs:9:5
Nov 16 13:41:37.035 INFO [stderr]   |
Nov 16 13:41:37.035 INFO [stderr] 9 |     peek_token: Token,
Nov 16 13:41:37.035 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.035 INFO [stderr] warning: method is never used: `next_token`
Nov 16 13:41:37.035 INFO [stderr]   --> src/parser.rs:23:5
Nov 16 13:41:37.035 INFO [stderr]    |
Nov 16 13:41:37.035 INFO [stderr] 23 |     fn next_token(mut self) {
Nov 16 13:41:37.035 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.035 INFO [stderr] 
Nov 16 13:41:37.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.051 INFO [stderr]   --> src/repl.rs:10:5
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr] 10 |     output.write(PROMPT.as_bytes());
Nov 16 13:41:37.051 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 13:41:37.051 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.051 INFO [stderr] 
Nov 16 13:41:37.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.051 INFO [stderr]   --> src/repl.rs:11:5
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr] 11 |     output.flush();
Nov 16 13:41:37.051 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.051 INFO [stderr] 
Nov 16 13:41:37.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.051 INFO [stderr]   --> src/repl.rs:20:13
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr] 20 |             output.write(token.display().as_bytes());
Nov 16 13:41:37.051 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.051 INFO [stderr] 
Nov 16 13:41:37.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.051 INFO [stderr]   --> src/repl.rs:21:13
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr] 21 |             output.write("\n".as_bytes());
Nov 16 13:41:37.051 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.051 INFO [stderr] 
Nov 16 13:41:37.051 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.051 INFO [stderr]   --> src/repl.rs:22:13
Nov 16 13:41:37.051 INFO [stderr]    |
Nov 16 13:41:37.051 INFO [stderr] 22 |             output.flush();
Nov 16 13:41:37.051 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Nov 16 13:41:37.052 INFO [stderr]    |
Nov 16 13:41:37.052 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.052 INFO [stderr] 
Nov 16 13:41:37.052 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.052 INFO [stderr]   --> src/repl.rs:24:9
Nov 16 13:41:37.052 INFO [stderr]    |
Nov 16 13:41:37.052 INFO [stderr] 24 |         output.write(PROMPT.as_bytes());
Nov 16 13:41:37.052 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:41:37.052 INFO [stderr]    |
Nov 16 13:41:37.052 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.052 INFO [stderr] 
Nov 16 13:41:37.052 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:41:37.052 INFO [stderr]   --> src/repl.rs:25:9
Nov 16 13:41:37.052 INFO [stderr]    |
Nov 16 13:41:37.052 INFO [stderr] 25 |         output.flush();
Nov 16 13:41:37.052 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 16 13:41:37.052 INFO [stderr]    |
Nov 16 13:41:37.052 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:41:37.052 INFO [stderr] 
Nov 16 13:41:37.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 16 13:41:37.851 INFO [stderr] su: No module specific data is present
Nov 16 13:41:38.329 INFO running `"docker" "inspect" "42c851c0db21d7bc8a0812efb07354ae2a821c80f2d81711c6dc860df14ada7e"`
Nov 16 13:41:38.699 INFO running `"docker" "rm" "-f" "42c851c0db21d7bc8a0812efb07354ae2a821c80f2d81711c6dc860df14ada7e"`
Nov 16 13:41:39.105 INFO [stdout] 42c851c0db21d7bc8a0812efb07354ae2a821c80f2d81711c6dc860df14ada7e