[INFO] updating cached repository jimf/mincaml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jimf/mincaml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jimf/mincaml" "work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jimf/mincaml" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimf/mincaml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimf/mincaml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0228bfe3f06818b012991129abdee62bd7327e2
[INFO] sha for GitHub repo jimf/mincaml: c0228bfe3f06818b012991129abdee62bd7327e2
[INFO] validating manifest of jimf/mincaml 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 jimf/mincaml 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 jimf/mincaml
[INFO] finished frobbing jimf/mincaml
[INFO] frobbed toml for jimf/mincaml written to work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml/Cargo.toml
[INFO] started frobbing jimf/mincaml
[INFO] finished frobbing jimf/mincaml
[INFO] frobbed toml for jimf/mincaml written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimf/mincaml/Cargo.toml
[INFO] crate jimf/mincaml 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 jimf/mincaml against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 32bf7f2f4b20773cfb64dbef133f402c8a058ce761cb6e444052ac9dfbc5a2f0
[INFO] running `"docker" "start" "-a" "32bf7f2f4b20773cfb64dbef133f402c8a058ce761cb6e444052ac9dfbc5a2f0"`
[INFO] [stderr]    Compiling minicaml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "32bf7f2f4b20773cfb64dbef133f402c8a058ce761cb6e444052ac9dfbc5a2f0"`
[INFO] running `"docker" "rm" "-f" "32bf7f2f4b20773cfb64dbef133f402c8a058ce761cb6e444052ac9dfbc5a2f0"`
[INFO] [stdout] 32bf7f2f4b20773cfb64dbef133f402c8a058ce761cb6e444052ac9dfbc5a2f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6be58bddd442a8ba4609aefad5167075c8f1bc50ca2642fbfd51739c5d7ac04e
[INFO] running `"docker" "start" "-a" "6be58bddd442a8ba4609aefad5167075c8f1bc50ca2642fbfd51739c5d7ac04e"`
[INFO] [stderr]    Compiling minicaml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "6be58bddd442a8ba4609aefad5167075c8f1bc50ca2642fbfd51739c5d7ac04e"`
[INFO] running `"docker" "rm" "-f" "6be58bddd442a8ba4609aefad5167075c8f1bc50ca2642fbfd51739c5d7ac04e"`
[INFO] [stdout] 6be58bddd442a8ba4609aefad5167075c8f1bc50ca2642fbfd51739c5d7ac04e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jimf/mincaml:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] df9e7ca20ec9e88b440d92b50aeedee06e3775f21f3098fe546fcf0a0b39d4cb
[INFO] running `"docker" "start" "-a" "df9e7ca20ec9e88b440d92b50aeedee06e3775f21f3098fe546fcf0a0b39d4cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minicaml-99d80032b450cf19
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test parser::tests::should_parse_comparison_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_array_create_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_array_put_expressions ... ok
[INFO] [stdout] test lexer::tests::should_tokenize_valid_inputs ... ok
[INFO] [stdout] test parser::tests::should_parse_array_get_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_let_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_function_application ... ok
[INFO] [stdout] test parser::tests::should_parse_if_expressions ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_conditionals ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_let_expressions ... ignored
[INFO] [stdout] test typing::tests::should_infer_type_for_comparison ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_arithmetic ... ok
[INFO] [stdout] test parser::tests::should_parse_unary_operator_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_tuples ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_negation ... ok
[INFO] [stdout] test parser::tests::should_parse_semicolon_separated_expressions ... ok
[INFO] [stdout] test parser::tests::should_parse_primary_expressions ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_primitives ... ok
[INFO] [stdout] test typing::tests::should_infer_type_for_vars ... ok
[INFO] [stdout] test parser::tests::should_parse_arithmetic_expressions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "df9e7ca20ec9e88b440d92b50aeedee06e3775f21f3098fe546fcf0a0b39d4cb"`
[INFO] running `"docker" "rm" "-f" "df9e7ca20ec9e88b440d92b50aeedee06e3775f21f3098fe546fcf0a0b39d4cb"`
[INFO] [stdout] df9e7ca20ec9e88b440d92b50aeedee06e3775f21f3098fe546fcf0a0b39d4cb