[INFO] updating cached repository jmatta697/matta_bc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmatta697/matta_bc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmatta697/matta_bc" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmatta697/matta_bc" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jmatta697/matta_bc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jmatta697/matta_bc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ead6621c2c413d844175868839063592f32468c
[INFO] sha for GitHub repo jmatta697/matta_bc: 3ead6621c2c413d844175868839063592f32468c
[INFO] validating manifest of jmatta697/matta_bc on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jmatta697/matta_bc on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jmatta697/matta_bc
[INFO] finished frobbing jmatta697/matta_bc
[INFO] frobbed toml for jmatta697/matta_bc written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc/Cargo.toml
[INFO] started frobbing jmatta697/matta_bc
[INFO] finished frobbing jmatta697/matta_bc
[INFO] frobbed toml for jmatta697/matta_bc written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jmatta697/matta_bc/Cargo.toml
[INFO] crate jmatta697/matta_bc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jmatta697/matta_bc against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7a8c7683282026b3e73258b14aa4d6e13f23fb4b96074b5e4a2e7c21e830946f
[INFO] running `"docker" "start" "-a" "7a8c7683282026b3e73258b14aa4d6e13f23fb4b96074b5e4a2e7c21e830946f"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling matta_bc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `variable_value_str` is never read
[INFO] [stderr]    --> src/main.rs:424:13
[INFO] [stderr]     |
[INFO] [stderr] 424 |     let mut variable_value_str = String::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.36s
[INFO] running `"docker" "inspect" "7a8c7683282026b3e73258b14aa4d6e13f23fb4b96074b5e4a2e7c21e830946f"`
[INFO] running `"docker" "rm" "-f" "7a8c7683282026b3e73258b14aa4d6e13f23fb4b96074b5e4a2e7c21e830946f"`
[INFO] [stdout] 7a8c7683282026b3e73258b14aa4d6e13f23fb4b96074b5e4a2e7c21e830946f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6100dcadf1e1e3dfe9165eb444bf771a794295af6451e4e01a4244544330d7c4
[INFO] running `"docker" "start" "-a" "6100dcadf1e1e3dfe9165eb444bf771a794295af6451e4e01a4244544330d7c4"`
[INFO] [stderr]    Compiling matta_bc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `variable_value_str` is never read
[INFO] [stderr]    --> src/main.rs:424:13
[INFO] [stderr]     |
[INFO] [stderr] 424 |     let mut variable_value_str = String::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `"docker" "inspect" "6100dcadf1e1e3dfe9165eb444bf771a794295af6451e4e01a4244544330d7c4"`
[INFO] running `"docker" "rm" "-f" "6100dcadf1e1e3dfe9165eb444bf771a794295af6451e4e01a4244544330d7c4"`
[INFO] [stdout] 6100dcadf1e1e3dfe9165eb444bf771a794295af6451e4e01a4244544330d7c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jmatta697/matta_bc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 5e0864c04eb61378df4aec764fee94db5bb326dccc248fe259ce9a8c37c8e49c
[INFO] running `"docker" "start" "-a" "5e0864c04eb61378df4aec764fee94db5bb326dccc248fe259ce9a8c37c8e49c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matta_bc-fa670b96f71e54a2
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_apply_operation ... ok
[INFO] [stdout] test test_check_expr_syntax ... ok
[INFO] [stdout] test test_check_first_char_in_exp ... ok
[INFO] [stdout] test test_extract_comparison_notation ... ok
[INFO] [stdout] test test_get_variable_value ... ok
[INFO] [stdout] test test_evaluate_comparison_expression ... ok
[INFO] [stdout] test test_handle_comparison_expression ... ok
[INFO] [stdout] test test_count_valid_parentheses ... ok
[INFO] [stdout] test test_is_a_variable_assignment ... ok
[INFO] [stdout] test test_operator_precedence ... ok
[INFO] [stdout] test test_expression_string_to_vector ... ok
[INFO] [stdout] test test_check_only_valid_chars ... ok
[INFO] [stdout] test test_replace_variable_references_with_value_strings ... ok
[INFO] [stdout] test test_split_comparison_string ... ok
[INFO] [stdout] test test_check_last_char ... ok
[INFO] [stdout] test test_remove_all_white_space_from_string ... ok
[INFO] [stdout] test test_string_has_comparison ... ok
[INFO] [stdout] test test_handle_variable_declaration ... ok
[INFO] [stdout] test test_evaluate_clean_expression ... ok
[INFO] [stdout] test test_valid_expression_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5e0864c04eb61378df4aec764fee94db5bb326dccc248fe259ce9a8c37c8e49c"`
[INFO] running `"docker" "rm" "-f" "5e0864c04eb61378df4aec764fee94db5bb326dccc248fe259ce9a8c37c8e49c"`
[INFO] [stdout] 5e0864c04eb61378df4aec764fee94db5bb326dccc248fe259ce9a8c37c8e49c