[INFO] updating cached repository 0nkery/rust-monkey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/0nkery/rust-monkey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/0nkery/rust-monkey" "work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/0nkery/rust-monkey" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0nkery/rust-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0nkery/rust-monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d443e9211a9a3b6fc0bdd2c217365a82d006275
[INFO] sha for GitHub repo 0nkery/rust-monkey: 8d443e9211a9a3b6fc0bdd2c217365a82d006275
[INFO] validating manifest of 0nkery/rust-monkey on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 0nkery/rust-monkey on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 0nkery/rust-monkey
[INFO] finished frobbing 0nkery/rust-monkey
[INFO] frobbed toml for 0nkery/rust-monkey written to work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-monkey/Cargo.toml
[INFO] started frobbing 0nkery/rust-monkey
[INFO] finished frobbing 0nkery/rust-monkey
[INFO] frobbed toml for 0nkery/rust-monkey written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0nkery/rust-monkey/Cargo.toml
[INFO] crate 0nkery/rust-monkey already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 0nkery/rust-monkey against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8b141b0f0deb0085b7f9f9b546cec74ba5c607e77e734eb3efc2e50db434d3fb
[INFO] running `"docker" "start" "-a" "8b141b0f0deb0085b7f9f9b546cec74ba5c607e77e734eb3efc2e50db434d3fb"`
[INFO] [stderr]    Compiling users v0.5.2
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `"docker" "inspect" "8b141b0f0deb0085b7f9f9b546cec74ba5c607e77e734eb3efc2e50db434d3fb"`
[INFO] running `"docker" "rm" "-f" "8b141b0f0deb0085b7f9f9b546cec74ba5c607e77e734eb3efc2e50db434d3fb"`
[INFO] [stdout] 8b141b0f0deb0085b7f9f9b546cec74ba5c607e77e734eb3efc2e50db434d3fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65973a74bd29d9e007626263ccfc82f215387a3c57f1308e8af9651f7c9f69f4
[INFO] running `"docker" "start" "-a" "65973a74bd29d9e007626263ccfc82f215387a3c57f1308e8af9651f7c9f69f4"`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `"docker" "inspect" "65973a74bd29d9e007626263ccfc82f215387a3c57f1308e8af9651f7c9f69f4"`
[INFO] running `"docker" "rm" "-f" "65973a74bd29d9e007626263ccfc82f215387a3c57f1308e8af9651f7c9f69f4"`
[INFO] [stdout] 65973a74bd29d9e007626263ccfc82f215387a3c57f1308e8af9651f7c9f69f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0nkery/rust-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cd6e8682df29e8edb85c3226860465c18f2bc36cb59d672f5815d287a39a55fa
[INFO] running `"docker" "start" "-a" "cd6e8682df29e8edb85c3226860465c18f2bc36cb59d672f5815d287a39a55fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey-a07da981424fa7ab
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test eval::test_array_index_expressions ... ok
[INFO] [stdout] test eval::test_array_literals ... ok
[INFO] [stdout] test ast::test_string ... ok
[INFO] [stdout] test eval::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::test_closures ... ok
[INFO] [stdout] test eval::test_error_handling ... ok
[INFO] [stdout] test eval::test_builtin_functions ... ok
[INFO] [stdout] test eval::test_eval_integer_expression ... ok
[INFO] [stdout] test eval::test_bang_operator ... ok
[INFO] [stdout] test eval::test_function_application ... ok
[INFO] [stdout] test eval::test_function_object ... ok
[INFO] [stdout] test eval::test_string ... ok
[INFO] [stdout] test eval::test_return_statements ... ok
[INFO] [stdout] test parser::test_identifier_expression ... ok
[INFO] [stdout] test parser::test_if_expression ... ok
[INFO] [stdout] test parser::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::test_let_statements ... ok
[INFO] [stdout] test parser::test_operator_precedence_parsing ... ok
[INFO] [stdout] test eval::test_string_concatenation ... ok
[INFO] [stdout] test parser::test_boolean_expression ... ok
[INFO] [stdout] test parser::test_call_expression_parsing ... ok
[INFO] [stdout] test parser::test_parsing_index_expressions ... ok
[INFO] [stdout] test parser::test_parsing_infix_expressions ... ok
[INFO] [stdout] test parser::test_function_literal_parsing ... ok
[INFO] [stdout] test eval::test_if_else_expressions ... ok
[INFO] [stdout] test eval::test_let_statements ... ok
[INFO] [stdout] test parser::test_parsing_array_literals ... ok
[INFO] [stdout] test parser::test_parsing_prefix_expressions ... ok
[INFO] [stdout] test lexer::test_next_token ... ok
[INFO] [stdout] test parser::test_return_statements ... ok
[INFO] [stdout] test parser::test_string_literal_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cd6e8682df29e8edb85c3226860465c18f2bc36cb59d672f5815d287a39a55fa"`
[INFO] running `"docker" "rm" "-f" "cd6e8682df29e8edb85c3226860465c18f2bc36cb59d672f5815d287a39a55fa"`
[INFO] [stdout] cd6e8682df29e8edb85c3226860465c18f2bc36cb59d672f5815d287a39a55fa