[INFO] updating cached repository https://github.com/joaquinlpereyra/rusty-monkey
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaquinlpereyra%2Frusty-monkey" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaquinlpereyra/rusty-monkey on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/joaquinlpereyra/rusty-monkey already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7279440ce87ed46f676caf0524fe86e820ddc4711f550555694d5acca4f98402
[INFO] running `"docker" "start" "-a" "7279440ce87ed46f676caf0524fe86e820ddc4711f550555694d5acca4f98402"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "7279440ce87ed46f676caf0524fe86e820ddc4711f550555694d5acca4f98402"`
[INFO] running `"docker" "rm" "-f" "7279440ce87ed46f676caf0524fe86e820ddc4711f550555694d5acca4f98402"`
[INFO] [stdout] 7279440ce87ed46f676caf0524fe86e820ddc4711f550555694d5acca4f98402
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06bb6ab2dcaf1a25efa7d28ff3d39b7d60808a713aeb55ea31ebd045d13c5926
[INFO] running `"docker" "start" "-a" "06bb6ab2dcaf1a25efa7d28ff3d39b7d60808a713aeb55ea31ebd045d13c5926"`
[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: 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 1.43s
[INFO] running `"docker" "inspect" "06bb6ab2dcaf1a25efa7d28ff3d39b7d60808a713aeb55ea31ebd045d13c5926"`
[INFO] running `"docker" "rm" "-f" "06bb6ab2dcaf1a25efa7d28ff3d39b7d60808a713aeb55ea31ebd045d13c5926"`
[INFO] [stdout] 06bb6ab2dcaf1a25efa7d28ff3d39b7d60808a713aeb55ea31ebd045d13c5926
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 28758006ae830c17191c46a88e6ef9002ecddfdf9200013b7e225edffcb68e46
[INFO] running `"docker" "start" "-a" "28758006ae830c17191c46a88e6ef9002ecddfdf9200013b7e225edffcb68e46"`
[INFO] [stderr] warning: unused manifest key: bin.0.docs
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-83cef0a83bba132b
[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 interpreter::tests::test_eval_integers ... ok
[INFO] [stdout] test interpreter::tests::test_if_else_expr ... 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_boolean_expr ... ok
[INFO] [stdout] test parser::tests::test_fn_literal ... ok
[INFO] [stdout] test parser::tests::test_binary_expr ... ok
[INFO] [stdout] test parser::tests::test_fn_call ... ok
[INFO] [stdout] test interpreter::tests::test_let_stmts ... ok
[INFO] [stdout] test parser::tests::test_gives_error ... ok
[INFO] [stdout] test lexer::tests::test_special_characters ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression_with_alternative ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression_without_alternative ... ok
[INFO] [stdout] test parser::tests::test_parse_expression_stmts ... ok
[INFO] [stdout] test parser::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_let_stmt ... ok
[INFO] [stdout] test lexer::tests::test_normal_code ... ok
[INFO] [stdout] test parser::tests::test_parse_returns ... ok
[INFO] [stdout] test parser::tests::test_nested_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_prefix_operators ... ok
[INFO] [stdout] test parser::tests::test_precedences ... 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-ac64bd2141a1d5a9
[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 (line 6) ... ok
[INFO] [stdout] test src/lexer/mod.rs - lexer::Lexer::new (line 104) ... ok
[INFO] [stdout] test src/lexer/mod.rs - lexer::Lexer::next_token (line 123) ... 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" "28758006ae830c17191c46a88e6ef9002ecddfdf9200013b7e225edffcb68e46"`
[INFO] running `"docker" "rm" "-f" "28758006ae830c17191c46a88e6ef9002ecddfdf9200013b7e225edffcb68e46"`
[INFO] [stdout] 28758006ae830c17191c46a88e6ef9002ecddfdf9200013b7e225edffcb68e46