[INFO] updating cached repository joaquinlpereyra/rusty-monkey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joaquinlpereyra/rusty-monkey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joaquinlpereyra/rusty-monkey" "work/ex/beta-1.37-6/sources/1.36.0/gh/joaquinlpereyra/rusty-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/joaquinlpereyra/rusty-monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joaquinlpereyra/rusty-monkey" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4390d44abab1650d5ecf952581ea9e16f414a3bc
[INFO] sha for GitHub repo joaquinlpereyra/rusty-monkey: 4390d44abab1650d5ecf952581ea9e16f414a3bc
[INFO] validating manifest of joaquinlpereyra/rusty-monkey on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joaquinlpereyra/rusty-monkey on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joaquinlpereyra/rusty-monkey
[INFO] finished frobbing joaquinlpereyra/rusty-monkey
[INFO] frobbed toml for joaquinlpereyra/rusty-monkey written to work/ex/beta-1.37-6/sources/1.36.0/gh/joaquinlpereyra/rusty-monkey/Cargo.toml
[INFO] started frobbing joaquinlpereyra/rusty-monkey
[INFO] finished frobbing joaquinlpereyra/rusty-monkey
[INFO] frobbed toml for joaquinlpereyra/rusty-monkey written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey/Cargo.toml
[INFO] crate joaquinlpereyra/rusty-monkey already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing joaquinlpereyra/rusty-monkey against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3b10a429886248d190db2e1a4a5daf0d36982aa1d2c148708476a7ed6c56dd30
[INFO] running `"docker" "start" "-a" "3b10a429886248d190db2e1a4a5daf0d36982aa1d2c148708476a7ed6c56dd30"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "3b10a429886248d190db2e1a4a5daf0d36982aa1d2c148708476a7ed6c56dd30"`
[INFO] running `"docker" "rm" "-f" "3b10a429886248d190db2e1a4a5daf0d36982aa1d2c148708476a7ed6c56dd30"`
[INFO] [stdout] 3b10a429886248d190db2e1a4a5daf0d36982aa1d2c148708476a7ed6c56dd30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c9ebde86eabc1d6360e2b13e829b8052246d7fbae948bf13d4588adc12940e86
[INFO] running `"docker" "start" "-a" "c9ebde86eabc1d6360e2b13e829b8052246d7fbae948bf13d4588adc12940e86"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/crater/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: consider prefixing with an underscore: `_program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "c9ebde86eabc1d6360e2b13e829b8052246d7fbae948bf13d4588adc12940e86"`
[INFO] running `"docker" "rm" "-f" "c9ebde86eabc1d6360e2b13e829b8052246d7fbae948bf13d4588adc12940e86"`
[INFO] [stdout] c9ebde86eabc1d6360e2b13e829b8052246d7fbae948bf13d4588adc12940e86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joaquinlpereyra/rusty-monkey:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f6f0c79b9d8f35392dc881e41e2a767b352f9e9b96fce7d5ed4181450b66d8d4
[INFO] running `"docker" "start" "-a" "f6f0c79b9d8f35392dc881e41e2a767b352f9e9b96fce7d5ed4181450b66d8d4"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey-932dfee14d3cf8f8
[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 lexer::tests::test_delimiters_work_ok ... 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_eval_bool ... ok
[INFO] [stdout] test interpreter::tests::test_return_stmt ... ok
[INFO] [stdout] test interpreter::tests::test_let_stmts ... ok
[INFO] [stdout] test lexer::tests::test_special_characters ... 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_literal ... 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_next_token ... ok
[INFO] [stdout] test parser::tests::test_gives_error ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression_with_alternative ... ok
[INFO] [stdout] test parser::tests::test_let_stmt ... ok
[INFO] [stdout] test parser::tests::test_nested_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_stmts ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey-301ab007d87a8932
[INFO] [stdout] test lexer::tests::test_normal_code ... ok
[INFO] [stderr]    Doc-tests monkey
[INFO] [stdout] test parser::tests::test_parse_returns ... 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] [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] [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 (line 6) ... 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] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f6f0c79b9d8f35392dc881e41e2a767b352f9e9b96fce7d5ed4181450b66d8d4"`
[INFO] running `"docker" "rm" "-f" "f6f0c79b9d8f35392dc881e41e2a767b352f9e9b96fce7d5ed4181450b66d8d4"`
[INFO] [stdout] f6f0c79b9d8f35392dc881e41e2a767b352f9e9b96fce7d5ed4181450b66d8d4