[INFO] cloning repository https://github.com/Soj447/monk_lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Soj447/monk_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoj447%2Fmonk_lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoj447%2Fmonk_lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a3e0dc962a6d87b0d8155326b38b3f27da2bfbb [INFO] testing Soj447/monk_lang against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoj447%2Fmonk_lang" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Soj447/monk_lang on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Soj447/monk_lang [INFO] finished tweaking git repo https://github.com/Soj447/monk_lang [INFO] tweaked toml for git repo https://github.com/Soj447/monk_lang written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Soj447/monk_lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ef67ed192108ac1addf7349efcb3e94223c64773f42c35a4d4ab15feaebc6c7 [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" "1ef67ed192108ac1addf7349efcb3e94223c64773f42c35a4d4ab15feaebc6c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ef67ed192108ac1addf7349efcb3e94223c64773f42c35a4d4ab15feaebc6c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ef67ed192108ac1addf7349efcb3e94223c64773f42c35a4d4ab15feaebc6c7", kill_on_drop: false }` [INFO] [stdout] 1ef67ed192108ac1addf7349efcb3e94223c64773f42c35a4d4ab15feaebc6c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9f90f7b58edaf6db568621070c6dc411a47a6319e7c653caeda9be014918700a [INFO] running `Command { std: "docker" "start" "-a" "9f90f7b58edaf6db568621070c6dc411a47a6319e7c653caeda9be014918700a", kill_on_drop: false }` [INFO] [stderr] Compiling monk_lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl/repl.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut input = String::new(); [INFO] [stdout] 9 | | print!(">>"); [INFO] [stdout] 10 | | io::stdout().flush(); [INFO] [stdout] ... | [INFO] [stdout] 17 | | } [INFO] [stdout] 18 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 19 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/repl.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "9f90f7b58edaf6db568621070c6dc411a47a6319e7c653caeda9be014918700a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f90f7b58edaf6db568621070c6dc411a47a6319e7c653caeda9be014918700a", kill_on_drop: false }` [INFO] [stdout] 9f90f7b58edaf6db568621070c6dc411a47a6319e7c653caeda9be014918700a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f47528def1a0315079600f4474c14722c68efabdd5596dd06430e4f595298c0 [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" "1f47528def1a0315079600f4474c14722c68efabdd5596dd06430e4f595298c0", kill_on_drop: false }` [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl/repl.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut input = String::new(); [INFO] [stdout] 9 | | print!(">>"); [INFO] [stdout] 10 | | io::stdout().flush(); [INFO] [stdout] ... | [INFO] [stdout] 17 | | } [INFO] [stdout] 18 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 19 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling monk_lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/repl.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/repl/repl.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut input = String::new(); [INFO] [stdout] 9 | | print!(">>"); [INFO] [stdout] 10 | | io::stdout().flush(); [INFO] [stdout] ... | [INFO] [stdout] 17 | | } [INFO] [stdout] 18 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 19 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/repl.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | 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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repl/repl.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | repl_start(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "1f47528def1a0315079600f4474c14722c68efabdd5596dd06430e4f595298c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f47528def1a0315079600f4474c14722c68efabdd5596dd06430e4f595298c0", kill_on_drop: false }` [INFO] [stdout] 1f47528def1a0315079600f4474c14722c68efabdd5596dd06430e4f595298c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7075a19d926e7b4b87446485d64237c6d96b985075a1b571df1f81f5b1b9f9cb [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" "7075a19d926e7b4b87446485d64237c6d96b985075a1b571df1f81f5b1b9f9cb", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable expression [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/repl/repl.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 7 | / loop { [INFO] [stderr] 8 | | let mut input = String::new(); [INFO] [stderr] 9 | | print!(">>"); [INFO] [stderr] 10 | | io::stdout().flush(); [INFO] [stderr] ... | [INFO] [stderr] 17 | | } [INFO] [stderr] 18 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 19 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/repl/repl.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | 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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/repl/repl.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 7 | / loop { [INFO] [stderr] 8 | | let mut input = String::new(); [INFO] [stderr] 9 | | print!(">>"); [INFO] [stderr] 10 | | io::stdout().flush(); [INFO] [stderr] ... | [INFO] [stderr] 17 | | } [INFO] [stderr] 18 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 19 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/repl/repl.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/repl/repl.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | repl_start(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/monk_lang-ddddf708ba65a139 [INFO] [stdout] test lexer::lexer::tests::test_next_token ... ok [INFO] [stdout] test repl::repl::tests::test_repl ... test repl::repl::tests::test_repl has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "7075a19d926e7b4b87446485d64237c6d96b985075a1b571df1f81f5b1b9f9cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7075a19d926e7b4b87446485d64237c6d96b985075a1b571df1f81f5b1b9f9cb", kill_on_drop: false }` [INFO] [stdout] 7075a19d926e7b4b87446485d64237c6d96b985075a1b571df1f81f5b1b9f9cb