[INFO] updating cached repository sci4me/bfkit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sci4me/bfkit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sci4me/bfkit" "work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sci4me/bfkit" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sci4me/bfkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sci4me/bfkit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07eff9f557101ed7655e60399eb213cc93b3b152
[INFO] sha for GitHub repo sci4me/bfkit: 07eff9f557101ed7655e60399eb213cc93b3b152
[INFO] validating manifest of sci4me/bfkit 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 sci4me/bfkit 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 sci4me/bfkit
[INFO] finished frobbing sci4me/bfkit
[INFO] frobbed toml for sci4me/bfkit written to work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit/Cargo.toml
[INFO] started frobbing sci4me/bfkit
[INFO] finished frobbing sci4me/bfkit
[INFO] frobbed toml for sci4me/bfkit written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sci4me/bfkit/Cargo.toml
[INFO] crate sci4me/bfkit 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 sci4me/bfkit against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2743c835cecbfe512030d6ff4c309860971b4058bed0ab06f4a4b13cfe2c3f6f
[INFO] running `"docker" "start" "-a" "2743c835cecbfe512030d6ff4c309860971b4058bed0ab06f4a4b13cfe2c3f6f"`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling bfkit v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.64s
[INFO] running `"docker" "inspect" "2743c835cecbfe512030d6ff4c309860971b4058bed0ab06f4a4b13cfe2c3f6f"`
[INFO] running `"docker" "rm" "-f" "2743c835cecbfe512030d6ff4c309860971b4058bed0ab06f4a4b13cfe2c3f6f"`
[INFO] [stdout] 2743c835cecbfe512030d6ff4c309860971b4058bed0ab06f4a4b13cfe2c3f6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c6b6223084bc50720bfc25cd5362ed4c18f429b447ff3941729d5ece4f2e00b2
[INFO] running `"docker" "start" "-a" "c6b6223084bc50720bfc25cd5362ed4c18f429b447ff3941729d5ece4f2e00b2"`
[INFO] [stderr]    Compiling bfkit v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interp.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         subject.set_breakpoint(3);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interp.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         subject.set_breakpoint(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "c6b6223084bc50720bfc25cd5362ed4c18f429b447ff3941729d5ece4f2e00b2"`
[INFO] running `"docker" "rm" "-f" "c6b6223084bc50720bfc25cd5362ed4c18f429b447ff3941729d5ece4f2e00b2"`
[INFO] [stdout] c6b6223084bc50720bfc25cd5362ed4c18f429b447ff3941729d5ece4f2e00b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sci4me/bfkit:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4999dcfa48599204137c5fd006f3497ac5385dc5d00befdcdb837ba1a86226cd
[INFO] running `"docker" "start" "-a" "4999dcfa48599204137c5fd006f3497ac5385dc5d00befdcdb837ba1a86226cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test interp::tests::jump_works ... ok
[INFO] [stdout] test interp::tests::run_stops_for_breakpoints ... ok
[INFO] [stdout] test interp::tests::run_works ... ok
[INFO] [stdout] test interp::tests::jump_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::get_works ... ok
[INFO] [stdout] test interp::tests::get_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::delete_breakpoint_works ... ok
[INFO] [stdout] test interp::tests::set_breakpoint_works ... ok
[INFO] [stdout] test interp::tests::set_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test compiler::tests::compile_works ... ok
[INFO] [stdout] test interp::tests::set_works ... ok
[INFO] [stdout] test interp::tests::select_works ... ok
[INFO] [stdout] test interp::tests::select_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::step_works ... ok
[INFO] [stdout] test ir::tests::ir_to_string_works ... ok
[INFO] [stdout] test optimizer::tests::clear_loop_removal_works ... ok
[INFO] [stdout] test optimizer::tests::contraction_works ... ok
[INFO] [stdout] test optimizer::tests::dead_code_removal_works ... ok
[INFO] [stdout] test optimizer::tests::optimize_works ... ok
[INFO] [stdout] test optimizer::tests::scan_loop_removal_works ... ok
[INFO] [stdout] test parser::tests::parse_parses_brainfuck_instructions ... ok
[INFO] [stdout] test parser::tests::parse_str_parses_brainfuck_instructions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bfkit-c3baf6ab284d2424
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bfkit-78d0099918ed97e9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bfkit
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4999dcfa48599204137c5fd006f3497ac5385dc5d00befdcdb837ba1a86226cd"`
[INFO] running `"docker" "rm" "-f" "4999dcfa48599204137c5fd006f3497ac5385dc5d00befdcdb837ba1a86226cd"`
[INFO] [stdout] 4999dcfa48599204137c5fd006f3497ac5385dc5d00befdcdb837ba1a86226cd