[INFO] updating cached repository https://github.com/sci4me/bfkit
[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] 07eff9f557101ed7655e60399eb213cc93b3b152
[INFO] testing sci4me/bfkit against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsci4me%2Fbfkit" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sci4me/bfkit 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/sci4me/bfkit
[INFO] finished tweaking git repo https://github.com/sci4me/bfkit
[INFO] tweaked toml for git repo https://github.com/sci4me/bfkit written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sci4me/bfkit 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 9e84fc3f3f4325cf81ced59823d35f32072718d0f6aeff85507bf9c156e916fc
[INFO] running `"docker" "start" "-a" "9e84fc3f3f4325cf81ced59823d35f32072718d0f6aeff85507bf9c156e916fc"`
[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/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `"docker" "inspect" "9e84fc3f3f4325cf81ced59823d35f32072718d0f6aeff85507bf9c156e916fc"`
[INFO] running `"docker" "rm" "-f" "9e84fc3f3f4325cf81ced59823d35f32072718d0f6aeff85507bf9c156e916fc"`
[INFO] [stdout] 9e84fc3f3f4325cf81ced59823d35f32072718d0f6aeff85507bf9c156e916fc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 47d2c69de4b651c32fe533a33fadc8b9afbf683d503966b5a7283ad453085882
[INFO] running `"docker" "start" "-a" "47d2c69de4b651c32fe533a33fadc8b9afbf683d503966b5a7283ad453085882"`
[INFO] [stderr]    Compiling bfkit v0.1.4 (/opt/rustwide/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 1.08s
[INFO] running `"docker" "inspect" "47d2c69de4b651c32fe533a33fadc8b9afbf683d503966b5a7283ad453085882"`
[INFO] running `"docker" "rm" "-f" "47d2c69de4b651c32fe533a33fadc8b9afbf683d503966b5a7283ad453085882"`
[INFO] [stdout] 47d2c69de4b651c32fe533a33fadc8b9afbf683d503966b5a7283ad453085882
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 2811ba1d5ef2e378ee78f2bc66de06137a093d84158592ea737e46a0c855411a
[INFO] running `"docker" "start" "-a" "2811ba1d5ef2e378ee78f2bc66de06137a093d84158592ea737e46a0c855411a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfkit-f536648fffa9635d
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test interp::tests::delete_breakpoint_works ... ok
[INFO] [stdout] test compiler::tests::compile_works ... ok
[INFO] [stdout] test interp::tests::select_returns_error_when_address_out_of_bounds ... 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 ir::tests::ir_to_string_works ... ok
[INFO] [stdout] test optimizer::tests::scan_loop_removal_works ... ok
[INFO] [stdout] test optimizer::tests::dead_code_removal_works ... ok
[INFO] [stdout] test interp::tests::step_works ... ok
[INFO] [stdout] test interp::tests::select_works ... ok
[INFO] [stdout] test optimizer::tests::contraction_works ... ok
[INFO] [stdout] test parser::tests::parse_str_parses_brainfuck_instructions ... ok
[INFO] [stdout] test interp::tests::get_works ... ok
[INFO] [stdout] test optimizer::tests::clear_loop_removal_works ... ok
[INFO] [stdout] test interp::tests::jump_works ... ok
[INFO] [stdout] test interp::tests::jump_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::run_works ... ok
[INFO] [stdout] test interp::tests::get_returns_error_when_address_out_of_bounds ... ok
[INFO] [stdout] test interp::tests::set_works ... ok
[INFO] [stdout] test interp::tests::run_stops_for_breakpoints ... ok
[INFO] [stdout] test optimizer::tests::optimize_works ... ok
[INFO] [stdout] test parser::tests::parse_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/rustwide/target/debug/deps/bfkit-150d01faef5de43c
[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" "2811ba1d5ef2e378ee78f2bc66de06137a093d84158592ea737e46a0c855411a"`
[INFO] running `"docker" "rm" "-f" "2811ba1d5ef2e378ee78f2bc66de06137a093d84158592ea737e46a0c855411a"`
[INFO] [stdout] 2811ba1d5ef2e378ee78f2bc66de06137a093d84158592ea737e46a0c855411a