[INFO] updating cached repository selaux/ruinfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/selaux/ruinfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/selaux/ruinfuck" "work/ex/beta-1.38-1/sources/1.37.0/gh/selaux/ruinfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/selaux/ruinfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/selaux/ruinfuck" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0eae852f7b3cd342f7ca02b211db5764059bd3b
[INFO] sha for GitHub repo selaux/ruinfuck: b0eae852f7b3cd342f7ca02b211db5764059bd3b
[INFO] validating manifest of selaux/ruinfuck 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 selaux/ruinfuck 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 selaux/ruinfuck
[INFO] finished frobbing selaux/ruinfuck
[INFO] frobbed toml for selaux/ruinfuck written to work/ex/beta-1.38-1/sources/1.37.0/gh/selaux/ruinfuck/Cargo.toml
[INFO] started frobbing selaux/ruinfuck
[INFO] finished frobbing selaux/ruinfuck
[INFO] frobbed toml for selaux/ruinfuck written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck/Cargo.toml
[INFO] crate selaux/ruinfuck 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 selaux/ruinfuck against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 56636a73260e0e3b0e7f3f4b0b4bc564829d7efffeca9ff10c331f49f0dcae0c
[INFO] running `"docker" "start" "-a" "56636a73260e0e3b0e7f3f4b0b4bc564829d7efffeca9ff10c331f49f0dcae0c"`
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling ruinfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/optimizer.rs:467:36
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let mut optimizations: Vec<Box<OptimizationStep>> = vec![];
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn OptimizationStep`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let mut v = &mut s.cells[pos];
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut v = &mut s.cells[pos];
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 let mut into = &mut s.cells[into_pos];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `"docker" "inspect" "56636a73260e0e3b0e7f3f4b0b4bc564829d7efffeca9ff10c331f49f0dcae0c"`
[INFO] running `"docker" "rm" "-f" "56636a73260e0e3b0e7f3f4b0b4bc564829d7efffeca9ff10c331f49f0dcae0c"`
[INFO] [stdout] 56636a73260e0e3b0e7f3f4b0b4bc564829d7efffeca9ff10c331f49f0dcae0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f7217655308ca17151246283e5756ba76505d6cbea49ebd7955f0675c300e51
[INFO] running `"docker" "start" "-a" "8f7217655308ca17151246283e5756ba76505d6cbea49ebd7955f0675c300e51"`
[INFO] [stderr]    Compiling ruinfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/optimizer.rs:467:36
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let mut optimizations: Vec<Box<OptimizationStep>> = vec![];
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn OptimizationStep`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let mut v = &mut s.cells[pos];
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut v = &mut s.cells[pos];
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 let mut into = &mut s.cells[into_pos];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `"docker" "inspect" "8f7217655308ca17151246283e5756ba76505d6cbea49ebd7955f0675c300e51"`
[INFO] running `"docker" "rm" "-f" "8f7217655308ca17151246283e5756ba76505d6cbea49ebd7955f0675c300e51"`
[INFO] [stdout] 8f7217655308ca17151246283e5756ba76505d6cbea49ebd7955f0675c300e51
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/ruinfuck:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2d8d65f9d1d1164420431c298898d28a356dfd421b151ea1362ba7340dec1c71
[INFO] running `"docker" "start" "-a" "2d8d65f9d1d1164420431c298898d28a356dfd421b151ea1362ba7340dec1c71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ruinfuck-1e5b61bb48e27a23
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_empty_conditionals ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_multiple_different_nodes ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_a_single_node ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_nested_conditionals ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_empty_results ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_non_moving_in_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_non_moving_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_non_moving_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_non_moving_inc_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_scan_loops ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_simple_loops ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_to_negative_offsets ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_to_positive_offsets ... ok
[INFO] [stdout] test optimizer::tests::it_should_defer_movement ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_3 ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_2 ... ok
[INFO] [stdout] test optimizer::tests::it_should_not_optimize_operators_that_would_overflow ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_assignment_loops ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_4 ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_away_comments ... ok
[INFO] [stdout] test parser::tests::it_should_parse_instructions ... ok
[INFO] [stdout] test optimizer::tests::it_should_not_optimize_operators_with_different_offsets ... ok
[INFO] [stdout] test parser::tests::it_should_return_a_missing_delimiter_error ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_away_repeated_operators ... ok
[INFO] [stdout] test parser::tests::it_should_parse_nested_conditionals ... ok
[INFO] [stdout] test parser::tests::it_should_return_a_unmatched_delimiter_error ... ok
[INFO] [stdout] test parser::tests::it_should_parse_an_empty_conditional ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_overflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_underflowing_offset ... ok
[INFO] [stdout] test parser::tests::it_should_parse_an_conditional_with_instructions ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_zero_loops ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_offset ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test tests::it_should_return_parser_errors_when_running_code ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells_at_underflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells_at_offset ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_the_data_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells_at_overflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_multiply_cells ... ok
[INFO] [stdout] test vm::tests::it_should_multiply_cells_at_offset ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells_at_offset ... ok
[INFO] [stdout] test vm::tests::it_should_increment_the_data_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_not_run_nested_code_if_condition_is_false ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells_at_overflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells_at_underflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_overflow_the_data_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_multiply_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_overflow_cells ... ok
[INFO] [stdout] test vm::tests::it_should_scan_right ... ok
[INFO] [stdout] test vm::tests::it_should_scan_right_with_interval ... ok
[INFO] [stdout] test vm::tests::it_should_scan_left_with_interval ... ok
[INFO] [stdout] test vm::tests::it_should_run_nested_code_if_condition_is_true ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin_with_offset ... ok
[INFO] [stdout] test vm::tests::it_should_scan_left ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin_with_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_underflow_cells ... ok
[INFO] [stdout] test vm::tests::it_should_write_to_stdout_with_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_write_to_stdout_with_offset ... ok
[INFO] [stdout] test vm::tests::it_should_write_to_stdout ... ok
[INFO] [stdout] test vm::tests::it_should_underflow_the_data_pointer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2d8d65f9d1d1164420431c298898d28a356dfd421b151ea1362ba7340dec1c71"`
[INFO] running `"docker" "rm" "-f" "2d8d65f9d1d1164420431c298898d28a356dfd421b151ea1362ba7340dec1c71"`
[INFO] [stdout] 2d8d65f9d1d1164420431c298898d28a356dfd421b151ea1362ba7340dec1c71