[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-1.37-6/sources/1.36.0/gh/0nkery/rust-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/0nkery/rust-monkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/0nkery/rust-monkey" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/0nkery/rust-monkey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 0nkery/rust-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 0nkery/rust-monkey
[INFO] finished frobbing 0nkery/rust-monkey
[INFO] frobbed toml for 0nkery/rust-monkey written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 0nkery/rust-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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a960bf1a5d35daa8b847bbba89b96fcab374b770dcb73eba362f44dc5104c65f
[INFO] running `"docker" "start" "-a" "a960bf1a5d35daa8b847bbba89b96fcab374b770dcb73eba362f44dc5104c65f"`
[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 4.14s
[INFO] running `"docker" "inspect" "a960bf1a5d35daa8b847bbba89b96fcab374b770dcb73eba362f44dc5104c65f"`
[INFO] running `"docker" "rm" "-f" "a960bf1a5d35daa8b847bbba89b96fcab374b770dcb73eba362f44dc5104c65f"`
[INFO] [stdout] a960bf1a5d35daa8b847bbba89b96fcab374b770dcb73eba362f44dc5104c65f
[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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e1540ddb381969b0c8ce0f9d95d8a1838cef1f835a48cfd9d3f115d84b9735f
[INFO] running `"docker" "start" "-a" "1e1540ddb381969b0c8ce0f9d95d8a1838cef1f835a48cfd9d3f115d84b9735f"`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "1e1540ddb381969b0c8ce0f9d95d8a1838cef1f835a48cfd9d3f115d84b9735f"`
[INFO] running `"docker" "rm" "-f" "1e1540ddb381969b0c8ce0f9d95d8a1838cef1f835a48cfd9d3f115d84b9735f"`
[INFO] [stdout] 1e1540ddb381969b0c8ce0f9d95d8a1838cef1f835a48cfd9d3f115d84b9735f
[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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1a15231f3ed526b6aacaf4014c39b14da6eeb7253e61ed9304a13e92a0f4d856
[INFO] running `"docker" "start" "-a" "1a15231f3ed526b6aacaf4014c39b14da6eeb7253e61ed9304a13e92a0f4d856"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey-d61746174692d1c3
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test ast::test_string ... ok
[INFO] [stdout] test eval::test_bang_operator ... ok
[INFO] [stdout] test eval::test_array_index_expressions ... ok
[INFO] [stdout] test eval::test_array_literals ... ok
[INFO] [stdout] test eval::test_error_handling ... ok
[INFO] [stdout] test eval::test_eval_integer_expression ... ok
[INFO] [stdout] test eval::test_builtin_functions ... ok
[INFO] [stdout] test eval::test_function_object ... ok
[INFO] [stdout] test eval::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::test_closures ... ok
[INFO] [stdout] test eval::test_string ... ok
[INFO] [stdout] test eval::test_let_statements ... ok
[INFO] [stdout] test eval::test_if_else_expressions ... ok
[INFO] [stdout] test eval::test_function_application ... ok
[INFO] [stdout] test eval::test_string_concatenation ... ok
[INFO] [stdout] test eval::test_return_statements ... ok
[INFO] [stdout] test parser::test_let_statements ... ok
[INFO] [stdout] test parser::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::test_if_expression ... ok
[INFO] [stdout] test parser::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::test_parsing_index_expressions ... ok
[INFO] [stdout] test parser::test_parsing_array_literals ... ok
[INFO] [stdout] test parser::test_return_statements ... ok
[INFO] [stdout] test parser::test_string_literal_expression ... ok
[INFO] [stdout] test parser::test_parsing_infix_expressions ... ok
[INFO] [stdout] test parser::test_parsing_prefix_expressions ... ok
[INFO] [stdout] test lexer::test_next_token ... ok
[INFO] [stdout] test parser::test_call_expression_parsing ... ok
[INFO] [stdout] test parser::test_identifier_expression ... ok
[INFO] [stdout] test parser::test_function_literal_parsing ... ok
[INFO] [stdout] test parser::test_boolean_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" "1a15231f3ed526b6aacaf4014c39b14da6eeb7253e61ed9304a13e92a0f4d856"`
[INFO] running `"docker" "rm" "-f" "1a15231f3ed526b6aacaf4014c39b14da6eeb7253e61ed9304a13e92a0f4d856"`
[INFO] [stdout] 1a15231f3ed526b6aacaf4014c39b14da6eeb7253e61ed9304a13e92a0f4d856