[INFO] updating cached repository https://github.com/selaux/ruinfuck
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0eae852f7b3cd342f7ca02b211db5764059bd3b
[INFO] testing selaux/ruinfuck against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselaux%2Fruinfuck" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/selaux/ruinfuck on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/selaux/ruinfuck
[INFO] finished tweaking git repo https://github.com/selaux/ruinfuck
[INFO] tweaked toml for git repo https://github.com/selaux/ruinfuck written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/selaux/ruinfuck already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7deed2e161977bac9bc1ff7292c32ab3f704eb279b317b752a6b7f348c2a8a37
[INFO] running `"docker" "start" "-a" "7deed2e161977bac9bc1ff7292c32ab3f704eb279b317b752a6b7f348c2a8a37"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling ruinfuck v0.1.0 (/opt/rustwide/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 10.01s
[INFO] running `"docker" "inspect" "7deed2e161977bac9bc1ff7292c32ab3f704eb279b317b752a6b7f348c2a8a37"`
[INFO] running `"docker" "rm" "-f" "7deed2e161977bac9bc1ff7292c32ab3f704eb279b317b752a6b7f348c2a8a37"`
[INFO] [stdout] 7deed2e161977bac9bc1ff7292c32ab3f704eb279b317b752a6b7f348c2a8a37
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 60351f411b1442480fd2894f6a5ac9565ba35ec72fa14a99644c0baf87938cec
[INFO] running `"docker" "start" "-a" "60351f411b1442480fd2894f6a5ac9565ba35ec72fa14a99644c0baf87938cec"`
[INFO] [stderr]    Compiling ruinfuck v0.1.0 (/opt/rustwide/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 3.89s
[INFO] running `"docker" "inspect" "60351f411b1442480fd2894f6a5ac9565ba35ec72fa14a99644c0baf87938cec"`
[INFO] running `"docker" "rm" "-f" "60351f411b1442480fd2894f6a5ac9565ba35ec72fa14a99644c0baf87938cec"`
[INFO] [stdout] 60351f411b1442480fd2894f6a5ac9565ba35ec72fa14a99644c0baf87938cec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 49ee1a055368e6977feed0bdd8dac9809ffa4ddb066b83ae01f025bd47e0c8c3
[INFO] running `"docker" "start" "-a" "49ee1a055368e6977feed0bdd8dac9809ffa4ddb066b83ae01f025bd47e0c8c3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ruinfuck-c474a2057e9fd8f8
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test analyzer::tests::it_should_return_empty_results ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_2 ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_4 ... 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 optimizer::tests::it_should_collapse_non_moving_in_nodes ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_empty_conditionals ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_non_moving_inc_nodes ... ok
[INFO] [stdout] test analyzer::tests::it_should_return_results_for_nested_conditionals ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_inc_nodes_3 ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_imbalanced_non_moving_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 parser::tests::it_should_parse_an_empty_conditional ... 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_unmatched_delimiter_error ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_away_repeated_operators ... ok
[INFO] [stdout] test optimizer::tests::it_should_not_optimize_operators_that_would_overflow ... ok
[INFO] [stdout] test optimizer::tests::it_should_defer_movement ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_zero_loops ... ok
[INFO] [stdout] test parser::tests::it_should_return_a_missing_delimiter_error ... ok
[INFO] [stdout] test parser::tests::it_should_parse_an_conditional_with_instructions ... ok
[INFO] [stdout] test parser::tests::it_should_parse_nested_conditionals ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_assignment_loops ... ok
[INFO] [stdout] test optimizer::tests::it_should_collapse_non_moving_nodes ... ok
[INFO] [stdout] test optimizer::tests::it_should_optimize_away_comments ... ok
[INFO] [stdout] test tests::it_should_return_parser_errors_when_running_code ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_the_data_pointer ... 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 vm::tests::it_should_increment_cells_at_overflowing_offset ... 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_increment_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_underflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells_at_underflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_multiply_cells ... ok
[INFO] [stdout] test vm::tests::it_should_increment_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_multiply_cells_at_offset ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin_with_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_multiply_cells_at_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin_with_offset ... ok
[INFO] [stdout] test vm::tests::it_should_read_from_stdin ... ok
[INFO] [stdout] test vm::tests::it_should_not_run_nested_code_if_condition_is_false ... ok
[INFO] [stdout] test vm::tests::it_should_scan_left ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells_at_underflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_run_nested_code_if_condition_is_true ... ok
[INFO] [stdout] test vm::tests::it_should_decrement_cells ... ok
[INFO] [stdout] test vm::tests::it_should_increment_cells ... ok
[INFO] [stdout] test vm::tests::it_should_overflow_cells ... ok
[INFO] [stdout] test vm::tests::it_should_assign_cells_at_overflowing_offset ... ok
[INFO] [stdout] test vm::tests::it_should_overflow_the_data_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_underflow_cells ... ok
[INFO] [stdout] test vm::tests::it_should_scan_right_with_interval ... ok
[INFO] [stdout] test vm::tests::it_should_scan_right ... 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] test vm::tests::it_should_write_to_stdout_with_offset_and_move_pointer ... ok
[INFO] [stdout] test vm::tests::it_should_scan_left_with_interval ... 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" "49ee1a055368e6977feed0bdd8dac9809ffa4ddb066b83ae01f025bd47e0c8c3"`
[INFO] running `"docker" "rm" "-f" "49ee1a055368e6977feed0bdd8dac9809ffa4ddb066b83ae01f025bd47e0c8c3"`
[INFO] [stdout] 49ee1a055368e6977feed0bdd8dac9809ffa4ddb066b83ae01f025bd47e0c8c3