[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoj447%2Fmonk_lang" "/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/Soj447/monk_lang on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67f9ff072f4b1a1b4746f296016c735ce5fd75a0a8a1676a70f17e0288cdd673 [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" "67f9ff072f4b1a1b4746f296016c735ce5fd75a0a8a1676a70f17e0288cdd673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67f9ff072f4b1a1b4746f296016c735ce5fd75a0a8a1676a70f17e0288cdd673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f9ff072f4b1a1b4746f296016c735ce5fd75a0a8a1676a70f17e0288cdd673", kill_on_drop: false }` [INFO] [stdout] 67f9ff072f4b1a1b4746f296016c735ce5fd75a0a8a1676a70f17e0288cdd673 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40b7d441aa677466de6e7da9ef8f7d94f1cfcad691e3b85d72c991115d87c703 [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" "40b7d441aa677466de6e7da9ef8f7d94f1cfcad691e3b85d72c991115d87c703", 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 `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 0.80s [INFO] running `Command { std: "docker" "inspect" "40b7d441aa677466de6e7da9ef8f7d94f1cfcad691e3b85d72c991115d87c703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40b7d441aa677466de6e7da9ef8f7d94f1cfcad691e3b85d72c991115d87c703", kill_on_drop: false }` [INFO] [stdout] 40b7d441aa677466de6e7da9ef8f7d94f1cfcad691e3b85d72c991115d87c703 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] b6d4ac15f5703e5e19a7070bd0eb8a0b21104da8ded7417aaab39302c327ab64 [INFO] running `Command { std: "docker" "start" "-a" "b6d4ac15f5703e5e19a7070bd0eb8a0b21104da8ded7417aaab39302c327ab64", 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 `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 `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 `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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b6d4ac15f5703e5e19a7070bd0eb8a0b21104da8ded7417aaab39302c327ab64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6d4ac15f5703e5e19a7070bd0eb8a0b21104da8ded7417aaab39302c327ab64", kill_on_drop: false }` [INFO] [stdout] b6d4ac15f5703e5e19a7070bd0eb8a0b21104da8ded7417aaab39302c327ab64 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 15d94053a44f957cffba937dfdc221a66d6e3cda3d0acd366d88a15cc3f6a87a [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" "15d94053a44f957cffba937dfdc221a66d6e3cda3d0acd366d88a15cc3f6a87a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 `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 `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 `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 1.20s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/monk_lang-9ea80072e0b06c4f) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test lexer::lexer::tests::test_next_token ... ok [INFO] [stdout] 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" "15d94053a44f957cffba937dfdc221a66d6e3cda3d0acd366d88a15cc3f6a87a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15d94053a44f957cffba937dfdc221a66d6e3cda3d0acd366d88a15cc3f6a87a", kill_on_drop: false }` [INFO] [stdout] 15d94053a44f957cffba937dfdc221a66d6e3cda3d0acd366d88a15cc3f6a87a