[INFO] updating cached repository https://github.com/neilgall/lets-build-a-rusty-interpreter [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9680f7114724d16f61320b05fb851f947fa0f5bd [INFO] testing neilgall/lets-build-a-rusty-interpreter against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flets-build-a-rusty-interpreter" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/neilgall/lets-build-a-rusty-interpreter on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/neilgall/lets-build-a-rusty-interpreter [INFO] finished tweaking git repo https://github.com/neilgall/lets-build-a-rusty-interpreter [INFO] tweaked toml for git repo https://github.com/neilgall/lets-build-a-rusty-interpreter written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/neilgall/lets-build-a-rusty-interpreter already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4921eb4bfc80b4321d831758a61b36d53ba2b87ca6575cbf1b8a61225a16c928 [INFO] running `"docker" "start" "-a" "4921eb4bfc80b4321d831758a61b36d53ba2b87ca6575cbf1b8a61225a16c928"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Integer` [INFO] [stderr] --> src/number.rs:4:2 [INFO] [stderr] | [INFO] [stderr] 4 | Integer { value: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Real` [INFO] [stderr] --> src/number.rs:5:2 [INFO] [stderr] | [INFO] [stderr] 5 | Real { value: String } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `"docker" "inspect" "4921eb4bfc80b4321d831758a61b36d53ba2b87ca6575cbf1b8a61225a16c928"` [INFO] running `"docker" "rm" "-f" "4921eb4bfc80b4321d831758a61b36d53ba2b87ca6575cbf1b8a61225a16c928"` [INFO] [stdout] 4921eb4bfc80b4321d831758a61b36d53ba2b87ca6575cbf1b8a61225a16c928 [INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2e609d3a93ac3219ddf357a1e01ad6d68ff2d352c075801dd34ee85cde0b7735 [INFO] running `"docker" "start" "-a" "2e609d3a93ac3219ddf357a1e01ad6d68ff2d352c075801dd34ee85cde0b7735"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Integer` [INFO] [stderr] --> src/number.rs:4:2 [INFO] [stderr] | [INFO] [stderr] 4 | Integer { value: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Real` [INFO] [stderr] --> src/number.rs:5:2 [INFO] [stderr] | [INFO] [stderr] 5 | Real { value: String } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.87s [INFO] running `"docker" "inspect" "2e609d3a93ac3219ddf357a1e01ad6d68ff2d352c075801dd34ee85cde0b7735"` [INFO] running `"docker" "rm" "-f" "2e609d3a93ac3219ddf357a1e01ad6d68ff2d352c075801dd34ee85cde0b7735"` [INFO] [stdout] 2e609d3a93ac3219ddf357a1e01ad6d68ff2d352c075801dd34ee85cde0b7735 [INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bb9c9c50b6eb102ac539b278bf9b7a56f9e25d2aade28f067ba5676c3276c875 [INFO] running `"docker" "start" "-a" "bb9c9c50b6eb102ac539b278bf9b7a56f9e25d2aade28f067ba5676c3276c875"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variant is never constructed: `Integer` [INFO] [stderr] --> src/number.rs:4:2 [INFO] [stderr] | [INFO] [stderr] 4 | Integer { value: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Real` [INFO] [stderr] --> src/number.rs:5:2 [INFO] [stderr] | [INFO] [stderr] 5 | Real { value: String } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/calculator-bc202706259a4cea [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test lexer::tests::integer ... ok [INFO] [stdout] test lexer::tests::identifier ... ok [INFO] [stdout] test lexer::tests::keywords ... ok [INFO] [stdout] test lexer::tests::real ... ok [INFO] [stdout] test lexer::tests::colon ... ok [INFO] [stdout] test lexer::tests::alphanumeric_identifier ... ok [INFO] [stdout] test lexer::tests::assign ... ok [INFO] [stdout] test lexer::tests::dot ... ok [INFO] [stdout] test parser::tests::test_sample_program ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "bb9c9c50b6eb102ac539b278bf9b7a56f9e25d2aade28f067ba5676c3276c875"` [INFO] running `"docker" "rm" "-f" "bb9c9c50b6eb102ac539b278bf9b7a56f9e25d2aade28f067ba5676c3276c875"` [INFO] [stdout] bb9c9c50b6eb102ac539b278bf9b7a56f9e25d2aade28f067ba5676c3276c875