[INFO] updating cached repository https://github.com/joaquinlpereyra/rusty-monkey
[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] 4390d44abab1650d5ecf952581ea9e16f414a3bc
[INFO] testing joaquinlpereyra/rusty-monkey against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaquinlpereyra%2Frusty-monkey" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaquinlpereyra/rusty-monkey on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/joaquinlpereyra/rusty-monkey
[INFO] finished tweaking git repo https://github.com/joaquinlpereyra/rusty-monkey
[INFO] tweaked toml for git repo https://github.com/joaquinlpereyra/rusty-monkey written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/joaquinlpereyra/rusty-monkey already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] e83be3b38e93e37d14a0bc0159f5f7a079905ff78769b61eb4d21b2d18a01a2e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e83be3b38e93e37d14a0bc0159f5f7a079905ff78769b61eb4d21b2d18a01a2e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "e83be3b38e93e37d14a0bc0159f5f7a079905ff78769b61eb4d21b2d18a01a2e"`
[INFO] running `"docker" "rm" "-f" "e83be3b38e93e37d14a0bc0159f5f7a079905ff78769b61eb4d21b2d18a01a2e"`
[INFO] [stdout] e83be3b38e93e37d14a0bc0159f5f7a079905ff78769b61eb4d21b2d18a01a2e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-06-03" "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] f03dbb452c3a688bc7c2fedcdebc2276c76174cabbff3e892d36c9c965ea9015
[INFO] running `"docker" "start" "-a" "f03dbb452c3a688bc7c2fedcdebc2276c76174cabbff3e892d36c9c965ea9015"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]    --> src/parser/mod.rs:726:13
[INFO] [stderr]     |
[INFO] [stderr] 726 |         let program = p.parse_program().unwrap();
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "f03dbb452c3a688bc7c2fedcdebc2276c76174cabbff3e892d36c9c965ea9015"`
[INFO] running `"docker" "rm" "-f" "f03dbb452c3a688bc7c2fedcdebc2276c76174cabbff3e892d36c9c965ea9015"`
[INFO] [stdout] f03dbb452c3a688bc7c2fedcdebc2276c76174cabbff3e892d36c9c965ea9015
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-06-03" "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] 1772659ef749addeaa4d818f0ca557b4f0e2e61b05fc5b7ab62bd7254a9b98a1
[INFO] running `"docker" "start" "-a" "1772659ef749addeaa4d818f0ca557b4f0e2e61b05fc5b7ab62bd7254a9b98a1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]    --> src/parser/mod.rs:726:13
[INFO] [stderr]     |
[INFO] [stderr] 726 |         let program = p.parse_program().unwrap();
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-932bbda0008c0252
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test interpreter::tests::test_bang_operator ... ok
[INFO] [stdout] test interpreter::tests::test_error_msg ... ok
[INFO] [stdout] test interpreter::tests::test_eval_bool ... ok
[INFO] [stdout] test lexer::tests::test_special_characters ... ok
[INFO] [stdout] test interpreter::tests::test_if_else_expr ... ok
[INFO] [stdout] test interpreter::tests::test_eval_integers ... ok
[INFO] [stdout] test interpreter::tests::test_let_stmts ... ok
[INFO] [stdout] test parser::tests::test_gives_error ... ok
[INFO] [stdout] test interpreter::tests::test_return_stmt ... ok
[INFO] [stdout] test lexer::tests::test_delimiters_work_ok ... ok
[INFO] [stdout] test parser::tests::test_fn_literal ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression_with_alternative ... ok
[INFO] [stdout] test parser::tests::test_binary_expr ... ok
[INFO] [stdout] test parser::tests::test_boolean_expr ... ok
[INFO] [stdout] test parser::tests::test_fn_call ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression_without_alternative ... ok
[INFO] [stdout] test parser::tests::test_let_stmt ... ok
[INFO] [stdout] test parser::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_stmts ... ok
[INFO] [stdout] test parser::tests::test_nested_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_parse_returns ... ok
[INFO] [stdout] test lexer::tests::test_normal_code ... ok
[INFO] [stdout] test parser::tests::test_precedences ... ok
[INFO] [stdout] test parser::tests::test_prefix_operators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-60f91064eb69ce92
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monkey
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lexer/mod.rs - lexer::Lexer::next_token (line 123) ... ok
[INFO] [stdout] test src/lexer/mod.rs - lexer::Lexer::new (line 104) ... ok
[INFO] [stdout] test src/interpreter/mod.rs - interpreter::Interpreter (line 80) ... ok
[INFO] [stdout] test src/lexer/mod.rs - lexer (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1772659ef749addeaa4d818f0ca557b4f0e2e61b05fc5b7ab62bd7254a9b98a1"`
[INFO] running `"docker" "rm" "-f" "1772659ef749addeaa4d818f0ca557b4f0e2e61b05fc5b7ab62bd7254a9b98a1"`
[INFO] [stdout] 1772659ef749addeaa4d818f0ca557b4f0e2e61b05fc5b7ab62bd7254a9b98a1