[INFO] cloning repository https://github.com/itsrainingmani/monkeylang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsrainingmani/monkeylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsrainingmani%2Fmonkeylang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsrainingmani%2Fmonkeylang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4ab39e047dfbc9b06bf585ce42dba89d94d1405f [INFO] testing itsrainingmani/monkeylang against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsrainingmani%2Fmonkeylang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/itsrainingmani/monkeylang [INFO] finished tweaking git repo https://github.com/itsrainingmani/monkeylang [INFO] tweaked toml for git repo https://github.com/itsrainingmani/monkeylang written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/itsrainingmani/monkeylang on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/itsrainingmani/monkeylang already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 536790d3517ba29093cc24561b6329c0301d39ef3ca03064c68c7a2c6a2667f9 [INFO] running `Command { std: "docker" "start" "-a" "536790d3517ba29093cc24561b6329c0301d39ef3ca03064c68c7a2c6a2667f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "536790d3517ba29093cc24561b6329c0301d39ef3ca03064c68c7a2c6a2667f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536790d3517ba29093cc24561b6329c0301d39ef3ca03064c68c7a2c6a2667f9", kill_on_drop: false }` [INFO] [stdout] 536790d3517ba29093cc24561b6329c0301d39ef3ca03064c68c7a2c6a2667f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d738a0b3c5a805f27ec5b6e0e311627555fdea98442baa97912c332fb5503839 [INFO] running `Command { std: "docker" "start" "-a" "d738a0b3c5a805f27ec5b6e0e311627555fdea98442baa97912c332fb5503839", kill_on_drop: false }` [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ast::*` [INFO] [stdout] --> src/lib.rs:346:17 [INFO] [stdout] | [INFO] [stdout] 346 | use super::{ast::*, lexer::*, token::*}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 265 | / loop { [INFO] [stdout] 266 | | let mut input = String::new(); [INFO] [stdout] 267 | | let mut lexer = Lexer::new(String::from("something")); [INFO] [stdout] 268 | | print!("{} ", self.prompt); [INFO] [stdout] ... | [INFO] [stdout] 286 | | } [INFO] [stdout] | |_____________- any code following this expression is unreachable [INFO] [stdout] 287 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/lib.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 302 | pub struct LetStmt<'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 303 | token: Token, // the Token::LET token [INFO] [stdout] 304 | name: &'a Identifier, // holds the identifier of the binding [INFO] [stdout] | ^^^^ [INFO] [stdout] 305 | value: dyn Expression, // the expression that produces a value [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/lib.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 316 | pub struct Identifier { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 317 | token: Token, [INFO] [stdout] 318 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer`, `cur_token`, and `peek_token` are never read [INFO] [stdout] --> src/lib.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 348 | pub struct Parser<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 349 | lexer: &'a mut Lexer, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 350 | [INFO] [stdout] 351 | cur_token: Token, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 352 | peek_token: Token, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next_token`, and `parse_program` are never used [INFO] [stdout] --> src/lib.rs:356:12 [INFO] [stdout] | [INFO] [stdout] 355 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 366 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 371 | fn parse_program() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:356:23 [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "d738a0b3c5a805f27ec5b6e0e311627555fdea98442baa97912c332fb5503839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d738a0b3c5a805f27ec5b6e0e311627555fdea98442baa97912c332fb5503839", kill_on_drop: false }` [INFO] [stdout] d738a0b3c5a805f27ec5b6e0e311627555fdea98442baa97912c332fb5503839 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3868601f921675d2ab27f39bb448b79ec8035feb7dd4efd52ce37b026d1cbee5 [INFO] running `Command { std: "docker" "start" "-a" "3868601f921675d2ab27f39bb448b79ec8035feb7dd4efd52ce37b026d1cbee5", kill_on_drop: false }` [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ast::*` [INFO] [stdout] --> src/lib.rs:346:17 [INFO] [stdout] | [INFO] [stdout] 346 | use super::{ast::*, lexer::*, token::*}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 265 | / loop { [INFO] [stdout] 266 | | let mut input = String::new(); [INFO] [stdout] 267 | | let mut lexer = Lexer::new(String::from("something")); [INFO] [stdout] 268 | | print!("{} ", self.prompt); [INFO] [stdout] ... | [INFO] [stdout] 286 | | } [INFO] [stdout] | |_____________- any code following this expression is unreachable [INFO] [stdout] 287 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/lib.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 302 | pub struct LetStmt<'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 303 | token: Token, // the Token::LET token [INFO] [stdout] 304 | name: &'a Identifier, // holds the identifier of the binding [INFO] [stdout] | ^^^^ [INFO] [stdout] 305 | value: dyn Expression, // the expression that produces a value [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/lib.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 316 | pub struct Identifier { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 317 | token: Token, [INFO] [stdout] 318 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer`, `cur_token`, and `peek_token` are never read [INFO] [stdout] --> src/lib.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 348 | pub struct Parser<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 349 | lexer: &'a mut Lexer, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 350 | [INFO] [stdout] 351 | cur_token: Token, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 352 | peek_token: Token, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next_token`, and `parse_program` are never used [INFO] [stdout] --> src/lib.rs:356:12 [INFO] [stdout] | [INFO] [stdout] 355 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 366 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 371 | fn parse_program() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:356:23 [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/lexer_test.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut lex = Lexer::new(String::from("hello \n\r\t world")); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::*` [INFO] [stdout] --> src/lib.rs:346:17 [INFO] [stdout] | [INFO] [stdout] 346 | use super::{ast::*, lexer::*, token::*}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 265 | / loop { [INFO] [stdout] 266 | | let mut input = String::new(); [INFO] [stdout] 267 | | let mut lexer = Lexer::new(String::from("something")); [INFO] [stdout] 268 | | print!("{} ", self.prompt); [INFO] [stdout] ... | [INFO] [stdout] 286 | | } [INFO] [stdout] | |_____________- any code following this expression is unreachable [INFO] [stdout] 287 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/lib.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 302 | pub struct LetStmt<'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 303 | token: Token, // the Token::LET token [INFO] [stdout] 304 | name: &'a Identifier, // holds the identifier of the binding [INFO] [stdout] | ^^^^ [INFO] [stdout] 305 | value: dyn Expression, // the expression that produces a value [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/lib.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 316 | pub struct Identifier { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 317 | token: Token, [INFO] [stdout] 318 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lexer`, `cur_token`, and `peek_token` are never read [INFO] [stdout] --> src/lib.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 348 | pub struct Parser<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 349 | lexer: &'a mut Lexer, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 350 | [INFO] [stdout] 351 | cur_token: Token, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 352 | peek_token: Token, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next_token`, and `parse_program` are never used [INFO] [stdout] --> src/lib.rs:356:12 [INFO] [stdout] | [INFO] [stdout] 355 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 366 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 371 | fn parse_program() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:356:23 [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 356 | fn new(lexer: &mut Lexer) -> Parser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "3868601f921675d2ab27f39bb448b79ec8035feb7dd4efd52ce37b026d1cbee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3868601f921675d2ab27f39bb448b79ec8035feb7dd4efd52ce37b026d1cbee5", kill_on_drop: false }` [INFO] [stdout] 3868601f921675d2ab27f39bb448b79ec8035feb7dd4efd52ce37b026d1cbee5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b19aeb072a10716dd68095a55be400cab64be686b693418792ccef94f5636ed3 [INFO] running `Command { std: "docker" "start" "-a" "b19aeb072a10716dd68095a55be400cab64be686b693418792ccef94f5636ed3", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ast::*` [INFO] [stderr] --> src/lib.rs:346:17 [INFO] [stderr] | [INFO] [stderr] 346 | use super::{ast::*, lexer::*, token::*}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:287:13 [INFO] [stderr] | [INFO] [stderr] 265 | / loop { [INFO] [stderr] 266 | | let mut input = String::new(); [INFO] [stderr] 267 | | let mut lexer = Lexer::new(String::from("something")); [INFO] [stderr] 268 | | print!("{} ", self.prompt); [INFO] [stderr] ... | [INFO] [stderr] 286 | | } [INFO] [stderr] | |_____________- any code following this expression is unreachable [INFO] [stderr] 287 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `name` and `value` are never read [INFO] [stderr] --> src/lib.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 302 | pub struct LetStmt<'a> { [INFO] [stderr] | ------- fields in this struct [INFO] [stderr] 303 | token: Token, // the Token::LET token [INFO] [stderr] 304 | name: &'a Identifier, // holds the identifier of the binding [INFO] [stderr] | ^^^^ [INFO] [stderr] 305 | value: dyn Expression, // the expression that produces a value [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> src/lib.rs:318:9 [INFO] [stderr] | [INFO] [stderr] 316 | pub struct Identifier { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 317 | token: Token, [INFO] [stderr] 318 | value: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `lexer`, `cur_token`, and `peek_token` are never read [INFO] [stderr] --> src/lib.rs:349:9 [INFO] [stderr] | [INFO] [stderr] 348 | pub struct Parser<'a> { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 349 | lexer: &'a mut Lexer, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 350 | [INFO] [stderr] 351 | cur_token: Token, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 352 | peek_token: Token, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `next_token`, and `parse_program` are never used [INFO] [stderr] --> src/lib.rs:356:12 [INFO] [stderr] | [INFO] [stderr] 355 | impl<'a> Parser<'a> { [INFO] [stderr] | ------------------- associated items in this implementation [INFO] [stderr] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 366 | fn next_token(&mut self) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 371 | fn parse_program() {} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:356:23 [INFO] [stderr] | [INFO] [stderr] 356 | fn new(lexer: &mut Lexer) -> Parser { [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 356 | fn new(lexer: &mut Lexer) -> Parser<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `monkey` (lib) generated 7 warnings (run `cargo fix --lib -p monkey` to apply 2 suggestions) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/lexer_test.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut lex = Lexer::new(String::from("hello \n\r\t world")); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `monkey` (test "lexer_test") generated 1 warning (run `cargo fix --test "lexer_test"` to apply 1 suggestion) [INFO] [stderr] warning: `monkey` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monkey-c159a493d007e2c4) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey-4aff7b7459aac23b) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lexer_test.rs (/opt/rustwide/target/debug/deps/lexer_test-c92c2fc43dad518d) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_lexer_internal_state_change ... ok [INFO] [stdout] test test_whitespace_consumption ... ok [INFO] [stderr] Doc-tests monkey [INFO] [stdout] test test_next_token ... ok [INFO] [stdout] test test_read_expanded_source ... ok [INFO] [stdout] test test_read_minimal_source ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b19aeb072a10716dd68095a55be400cab64be686b693418792ccef94f5636ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19aeb072a10716dd68095a55be400cab64be686b693418792ccef94f5636ed3", kill_on_drop: false }` [INFO] [stdout] b19aeb072a10716dd68095a55be400cab64be686b693418792ccef94f5636ed3