[INFO] cloning repository https://github.com/shhr1214/monkey-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shhr1214/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmonkey-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmonkey-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e7417e7d882167ace1bab1acca2b301b70e27a9 [INFO] testing shhr1214/monkey-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhr1214%2Fmonkey-rust" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shhr1214/monkey-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shhr1214/monkey-rust [INFO] finished tweaking git repo https://github.com/shhr1214/monkey-rust [INFO] tweaked toml for git repo https://github.com/shhr1214/monkey-rust written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/shhr1214/monkey-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9413314983ac14f1c6e0cd5ef39d1d9fc8cb74883978f23ec3a1c07082081bdc [INFO] running `Command { std: "docker" "start" "-a" "9413314983ac14f1c6e0cd5ef39d1d9fc8cb74883978f23ec3a1c07082081bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9413314983ac14f1c6e0cd5ef39d1d9fc8cb74883978f23ec3a1c07082081bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9413314983ac14f1c6e0cd5ef39d1d9fc8cb74883978f23ec3a1c07082081bdc", kill_on_drop: false }` [INFO] [stdout] 9413314983ac14f1c6e0cd5ef39d1d9fc8cb74883978f23ec3a1c07082081bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddd17d0c782046b45024cf9f94e900a417abd13cb001a079826e522a9796cea3 [INFO] running `Command { std: "docker" "start" "-a" "ddd17d0c782046b45024cf9f94e900a417abd13cb001a079826e522a9796cea3", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling monkey-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `token::Token` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use token::Token; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Node`, `Statement` [INFO] [stdout] --> src/parser.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use ast::{Node, Program, Statement}; [INFO] [stdout] | ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `token` [INFO] [stdout] --> src/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use token; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> src/repl.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LetStatement` [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | LetStatement(Identifier, Expression), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ExpressionStatement` [INFO] [stdout] --> src/ast.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | ExpressionStatement(Expression), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ast.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn new() -> Program { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `statements` [INFO] [stdout] --> src/ast.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn statements(self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parser` [INFO] [stdout] --> src/parser.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(mut lexer: Lexer) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token` [INFO] [stdout] --> src/parser.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn next_token(mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_program` [INFO] [stdout] --> src/parser.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn parse_program(&self) -> Program { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `literal` [INFO] [stdout] --> src/token.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn literal(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | output.write(PROMPT.as_bytes()); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | output.write(token.display().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | output.write("\n".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | output.write(PROMPT.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "ddd17d0c782046b45024cf9f94e900a417abd13cb001a079826e522a9796cea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddd17d0c782046b45024cf9f94e900a417abd13cb001a079826e522a9796cea3", kill_on_drop: false }` [INFO] [stdout] ddd17d0c782046b45024cf9f94e900a417abd13cb001a079826e522a9796cea3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b01db892d0872ceb5f499a0e102caebd412eec75752b5aa54a4ad2b92aa0b4bc [INFO] running `Command { std: "docker" "start" "-a" "b01db892d0872ceb5f499a0e102caebd412eec75752b5aa54a4ad2b92aa0b4bc", kill_on_drop: false }` [INFO] [stderr] Compiling monkey-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `token::Token` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use token::Token; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> src/repl.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/parser.rs:65:40 [INFO] [stdout] | [INFO] [stdout] 65 | Statement::LetStatement(i, e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LetStatement` [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | LetStatement(Identifier, Expression), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ExpressionStatement` [INFO] [stdout] --> src/ast.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | ExpressionStatement(Expression), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `lexer` [INFO] [stdout] --> src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | lexer: Lexer, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_token` [INFO] [stdout] --> src/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | cur_token: Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `peek_token` [INFO] [stdout] --> src/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | peek_token: Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token` [INFO] [stdout] --> src/parser.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn next_token(mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | output.write(PROMPT.as_bytes()); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | output.write(token.display().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | output.write("\n".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | output.write(PROMPT.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "b01db892d0872ceb5f499a0e102caebd412eec75752b5aa54a4ad2b92aa0b4bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b01db892d0872ceb5f499a0e102caebd412eec75752b5aa54a4ad2b92aa0b4bc", kill_on_drop: false }` [INFO] [stdout] b01db892d0872ceb5f499a0e102caebd412eec75752b5aa54a4ad2b92aa0b4bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5c0462e07d46499eb39d47211b69a493df037e198e8589388551a296636f40d0 [INFO] running `Command { std: "docker" "start" "-a" "5c0462e07d46499eb39d47211b69a493df037e198e8589388551a296636f40d0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `token::Token` [INFO] [stderr] --> src/ast.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use token::Token; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/repl.rs:1:41 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/parser.rs:65:40 [INFO] [stderr] | [INFO] [stderr] 65 | Statement::LetStatement(i, e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LetStatement` [INFO] [stderr] --> src/ast.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | LetStatement(Identifier, Expression), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ExpressionStatement` [INFO] [stderr] --> src/ast.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | ExpressionStatement(Expression), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `lexer` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | lexer: Lexer, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_token` [INFO] [stderr] --> src/parser.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | cur_token: Token, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `peek_token` [INFO] [stderr] --> src/parser.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | peek_token: Token, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next_token` [INFO] [stderr] --> src/parser.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn next_token(mut self) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | output.write(PROMPT.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | output.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | output.write(token.display().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | output.write("\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | output.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | output.write(PROMPT.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | output.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `monkey-rust` (bin "monkey-rust" test) generated 16 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/monkey_rust-3cc28f103cf6667b) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test lexer::tests::test_next_token ... ok [INFO] [stdout] test parser::tests::test_let_statements ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- parser::tests::test_let_statements stdout ---- [INFO] [stdout] thread 'parser::tests::test_let_statements' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `0`, [INFO] [stdout] right: `3`: num of program statements must be 3', src/parser.rs:49:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557d7d2e489d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x557d7d2e489d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x557d7d2e489d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x557d7d2e489d - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x557d7d309c5c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x557d7d2e0198 - std::io::Write::write_fmt::hbe7c1a63616291e2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x557d7d2e6b77 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x557d7d2e6b77 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x557d7d2e6b77 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x557d7d2e68ac - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x557d7d2e72c9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x557d7d2e6fb7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x557d7d2e4d64 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x557d7d2e6cc9 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x557d7d27f133 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x557d7d3088fe - core::panicking::assert_failed_inner::hbaac70a629215a04 [INFO] [stdout] 16: 0x557d7d28b8ca - core::panicking::assert_failed::h7ebfdb45c8df668a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:182:5 [INFO] [stdout] 17: 0x557d7d28b168 - monkey_rust::parser::tests::test_let_statements::h4eceb46de8f009f5 [INFO] [stdout] at /opt/rustwide/workdir/src/parser.rs:49:9 [INFO] [stdout] 18: 0x557d7d28af2a - monkey_rust::parser::tests::test_let_statements::{{closure}}::hf6c9c27a204fdce4 [INFO] [stdout] at /opt/rustwide/workdir/src/parser.rs:38:5 [INFO] [stdout] 19: 0x557d7d28260e - core::ops::function::FnOnce::call_once::h11ca0fa3f2a9739a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x557d7d2ba7b3 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x557d7d2ba7b3 - test::__rust_begin_short_backtrace::h594ef8055a183b9b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x557d7d2b9494 - as core::ops::function::FnOnce>::call_once::hb40cbb8bc3e1be15 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 23: 0x557d7d2b9494 - as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x557d7d2b9494 - std::panicking::try::do_call::h92af9f8bc77a5987 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x557d7d2b9494 - std::panicking::try::h9df49eeae42572b7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x557d7d2b9494 - std::panic::catch_unwind::h101dbadc82bbe0fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x557d7d2b9494 - test::run_test_in_process::h2ad7bffb068e750a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x557d7d2b9494 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x557d7d2c2db1 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x557d7d2c2db1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x557d7d28f42f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x557d7d28f42f - as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x557d7d28f42f - std::panicking::try::do_call::h6d5dc1045d0eade8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x557d7d28f42f - std::panicking::try::hbc897fc717ec6571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x557d7d28f42f - std::panic::catch_unwind::h27f1e958c91391ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x557d7d28f42f - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x557d7d28f42f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x557d7d2ecfb3 - as core::ops::function::FnOnce>::call_once::hf70ac038171e3e1a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 39: 0x557d7d2ecfb3 - as core::ops::function::FnOnce>::call_once::he6690128792365ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 40: 0x557d7d2ecfb3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f5bc6fc8609 - start_thread [INFO] [stdout] 42: 0x7f5bc6d98163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] parser::tests::test_let_statements [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin monkey-rust' [INFO] running `Command { std: "docker" "inspect" "5c0462e07d46499eb39d47211b69a493df037e198e8589388551a296636f40d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c0462e07d46499eb39d47211b69a493df037e198e8589388551a296636f40d0", kill_on_drop: false }` [INFO] [stdout] 5c0462e07d46499eb39d47211b69a493df037e198e8589388551a296636f40d0