[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 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsrainingmani%2Fmonkeylang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itsrainingmani/monkeylang on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e00e91720c25049d4bfda03a1bc2ce9c26bbebd749e83d5143bbfffe00b1cfb
[INFO] running `Command { std: "docker" "start" "-a" "8e00e91720c25049d4bfda03a1bc2ce9c26bbebd749e83d5143bbfffe00b1cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e00e91720c25049d4bfda03a1bc2ce9c26bbebd749e83d5143bbfffe00b1cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e00e91720c25049d4bfda03a1bc2ce9c26bbebd749e83d5143bbfffe00b1cfb", kill_on_drop: false }`
[INFO] [stdout] 8e00e91720c25049d4bfda03a1bc2ce9c26bbebd749e83d5143bbfffe00b1cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2648ebb9fc5da4b2ed3868e9dd087b9926d241c2cabcaf98c84df1440a390ea2
[INFO] running `Command { std: "docker" "start" "-a" "2648ebb9fc5da4b2ed3868e9dd087b9926d241c2cabcaf98c84df1440a390ea2", 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)]` 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] 285 | |                 }
[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)]` 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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "2648ebb9fc5da4b2ed3868e9dd087b9926d241c2cabcaf98c84df1440a390ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2648ebb9fc5da4b2ed3868e9dd087b9926d241c2cabcaf98c84df1440a390ea2", kill_on_drop: false }`
[INFO] [stdout] 2648ebb9fc5da4b2ed3868e9dd087b9926d241c2cabcaf98c84df1440a390ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37af828d17ff9639b0a8cde6c589a6ed44b0c00ed1d7cd47df6ebe52bfda20d6
[INFO] running `Command { std: "docker" "start" "-a" "37af828d17ff9639b0a8cde6c589a6ed44b0c00ed1d7cd47df6ebe52bfda20d6", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[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] 285 | |                 }
[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)]` 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)]` 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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `monkey` (bin "monkey" test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name monkey --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=e7091140363bbf43 -C extra-filename=-e7091140363bbf43 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern monkey=/opt/rustwide/target/debug/deps/libmonkey-359e013d845c5741.rlib --cap-lints=warn` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` 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] 285 | |                 }
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey` (lib test); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name monkey --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=56c4154520c879a2 -C extra-filename=-56c4154520c879a2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101)
[INFO] [stderr] error: could not compile `monkey` (test "lexer_test"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name lexer_test --edition=2018 tests/lexer_test.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=9e53975420bcafe5 -C extra-filename=-9e53975420bcafe5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern monkey=/opt/rustwide/target/debug/deps/libmonkey-359e013d845c5741.rlib --cap-lints=warn` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "37af828d17ff9639b0a8cde6c589a6ed44b0c00ed1d7cd47df6ebe52bfda20d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37af828d17ff9639b0a8cde6c589a6ed44b0c00ed1d7cd47df6ebe52bfda20d6", kill_on_drop: false }`
[INFO] [stdout] 37af828d17ff9639b0a8cde6c589a6ed44b0c00ed1d7cd47df6ebe52bfda20d6
