[INFO] updating cached repository https://github.com/EmmaLa/MonkeyInterpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 538fab97895b45c362be501f897eecf95811dcf0 [INFO] testing EmmaLa/MonkeyInterpreter against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmaLa%2FMonkeyInterpreter" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EmmaLa/MonkeyInterpreter on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EmmaLa/MonkeyInterpreter [INFO] finished tweaking git repo https://github.com/EmmaLa/MonkeyInterpreter [INFO] tweaked toml for git repo https://github.com/EmmaLa/MonkeyInterpreter written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/EmmaLa/MonkeyInterpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 225c8d412a11d05e9ce6063eea536fb3bb16aa8dadcf6544da5ec35f31bb0af7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "225c8d412a11d05e9ce6063eea536fb3bb16aa8dadcf6544da5ec35f31bb0af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "225c8d412a11d05e9ce6063eea536fb3bb16aa8dadcf6544da5ec35f31bb0af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "225c8d412a11d05e9ce6063eea536fb3bb16aa8dadcf6544da5ec35f31bb0af7", kill_on_drop: false }` [INFO] [stdout] 225c8d412a11d05e9ce6063eea536fb3bb16aa8dadcf6544da5ec35f31bb0af7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9853ec255cc37f8c6485bbd23de672a85b1875305325761fb983e38f0190e41 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d9853ec255cc37f8c6485bbd23de672a85b1875305325761fb983e38f0190e41", kill_on_drop: false }` [INFO] [stderr] Compiling monkey_int v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ast::Statement::*` [INFO] [stdout] --> src/parser/mod.rs:155:7 [INFO] [stdout] | [INFO] [stdout] 155 | use ast::Statement::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `repl::Repl` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use repl::Repl; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Peekable` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::Peekable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lexer::token::Token::*` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use lexer::token::Token::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/repl/mod.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(n) => buffer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/repl/mod.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 27 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut content = String::from("-4+2;"); [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: function is never used: `is_equal_sign` [INFO] [stdout] --> src/lexer/reader.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn is_equal_sign(character: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_identifier` [INFO] [stdout] --> src/lexer/reader.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn read_identifier(&mut self, character: char) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_letter` [INFO] [stdout] --> src/lexer/mod.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn is_letter(character: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/repl/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_user_input` [INFO] [stdout] --> src/repl/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn read_user_input(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expression` [INFO] [stdout] --> src/ast/mod.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | Expression { [INFO] [stdout] | _____^ [INFO] [stdout] 52 | | token: Token, [INFO] [stdout] 53 | | value: Box [INFO] [stdout] 54 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Call` [INFO] [stdout] --> src/parser/mod.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | Call = 7 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token_is_int` [INFO] [stdout] --> src/parser/mod.rs:236:5 [INFO] [stdout] | [INFO] [stdout] 236 | fn next_token_is_int(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PROMPT` should have a snake case name [INFO] [stdout] --> src/repl/mod.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let PROMPT = ">> "; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `prompt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/mod.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | io::stdout().flush(); [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "d9853ec255cc37f8c6485bbd23de672a85b1875305325761fb983e38f0190e41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9853ec255cc37f8c6485bbd23de672a85b1875305325761fb983e38f0190e41", kill_on_drop: false }` [INFO] [stdout] d9853ec255cc37f8c6485bbd23de672a85b1875305325761fb983e38f0190e41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd79a20795bdcb74cc5fa3f5e7ee28ce449f522951cf2f509a3cfcec4cb95f1c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cd79a20795bdcb74cc5fa3f5e7ee28ce449f522951cf2f509a3cfcec4cb95f1c", kill_on_drop: false }` [INFO] [stderr] Compiling monkey_int v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ast::Statement::*` [INFO] [stdout] --> src/parser/mod.rs:155:7 [INFO] [stdout] | [INFO] [stdout] 155 | use ast::Statement::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `repl::Repl` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use repl::Repl; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Peekable` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::Peekable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lexer::token::Token::*` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use lexer::token::Token::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/repl/mod.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(n) => buffer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/repl/mod.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 27 | Err(error) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut content = String::from("-4+2;"); [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: function is never used: `is_equal_sign` [INFO] [stdout] --> src/lexer/reader.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn is_equal_sign(character: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_identifier` [INFO] [stdout] --> src/lexer/reader.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn read_identifier(&mut self, character: char) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_letter` [INFO] [stdout] --> src/lexer/mod.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn is_letter(character: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/repl/mod.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_user_input` [INFO] [stdout] --> src/repl/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn read_user_input(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expression` [INFO] [stdout] --> src/ast/mod.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | Expression { [INFO] [stdout] | _____^ [INFO] [stdout] 52 | | token: Token, [INFO] [stdout] 53 | | value: Box [INFO] [stdout] 54 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Call` [INFO] [stdout] --> src/parser/mod.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | Call = 7 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token_is_int` [INFO] [stdout] --> src/parser/mod.rs:236:5 [INFO] [stdout] | [INFO] [stdout] 236 | fn next_token_is_int(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PROMPT` should have a snake case name [INFO] [stdout] --> src/repl/mod.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let PROMPT = ">> "; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `prompt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/mod.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | io::stdout().flush(); [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "cd79a20795bdcb74cc5fa3f5e7ee28ce449f522951cf2f509a3cfcec4cb95f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd79a20795bdcb74cc5fa3f5e7ee28ce449f522951cf2f509a3cfcec4cb95f1c", kill_on_drop: false }` [INFO] [stdout] cd79a20795bdcb74cc5fa3f5e7ee28ce449f522951cf2f509a3cfcec4cb95f1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5f46c3aa4018625ba69fcdd9b43ca086763792f1cd09d065d1b257e2e27da361 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5f46c3aa4018625ba69fcdd9b43ca086763792f1cd09d065d1b257e2e27da361", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `ast::Statement::*` [INFO] [stderr] --> src/parser/mod.rs:155:7 [INFO] [stderr] | [INFO] [stderr] 155 | use ast::Statement::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `repl::Repl` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use repl::Repl; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::Peekable` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::iter::Peekable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `lexer::token::Token::*` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use lexer::token::Token::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/repl/mod.rs:26:10 [INFO] [stderr] | [INFO] [stderr] 26 | Ok(n) => buffer, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> src/repl/mod.rs:27:11 [INFO] [stderr] | [INFO] [stderr] 27 | Err(error) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let mut content = String::from("-4+2;"); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_equal_sign` [INFO] [stderr] --> src/lexer/reader.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn is_equal_sign(character: &char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_identifier` [INFO] [stderr] --> src/lexer/reader.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn read_identifier(&mut self, character: char) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_letter` [INFO] [stderr] --> src/lexer/mod.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn is_letter(character: &char) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [INFO] [stderr] --> src/repl/mod.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn run(){ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_user_input` [INFO] [stderr] --> src/repl/mod.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn read_user_input(&mut self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expression` [INFO] [stderr] --> src/ast/mod.rs:51:2 [INFO] [stderr] | [INFO] [stderr] 51 | Expression { [INFO] [stderr] | _____^ [INFO] [stderr] 52 | | token: Token, [INFO] [stderr] 53 | | value: Box [INFO] [stderr] 54 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Call` [INFO] [stderr] --> src/parser/mod.rs:15:2 [INFO] [stderr] | [INFO] [stderr] 15 | Call = 7 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next_token_is_int` [INFO] [stderr] --> src/parser/mod.rs:236:5 [INFO] [stderr] | [INFO] [stderr] 236 | fn next_token_is_int(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `PROMPT` should have a snake case name [INFO] [stderr] --> src/repl/mod.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let PROMPT = ">> "; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `prompt` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/repl/mod.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | io::stdout().flush(); [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: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/monkey_int-b3faafaa33b8442b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5f46c3aa4018625ba69fcdd9b43ca086763792f1cd09d065d1b257e2e27da361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f46c3aa4018625ba69fcdd9b43ca086763792f1cd09d065d1b257e2e27da361", kill_on_drop: false }` [INFO] [stdout] 5f46c3aa4018625ba69fcdd9b43ca086763792f1cd09d065d1b257e2e27da361