[INFO] updating cached repository https://github.com/evantypanski/gremulator
[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] 68f532f486991ad7fd9396ab497582b30ec38422
[INFO] testing evantypanski/gremulator against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevantypanski%2Fgremulator" "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/evantypanski/gremulator on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/evantypanski/gremulator
[INFO] finished tweaking git repo https://github.com/evantypanski/gremulator
[INFO] tweaked toml for git repo https://github.com/evantypanski/gremulator written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/evantypanski/gremulator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 227611b4793bdc078615203bad6fa0229fc34793a8373717f7d0ed13e1b7947d
[INFO] running `"docker" "start" "-a" "227611b4793bdc078615203bad6fa0229fc34793a8373717f7d0ed13e1b7947d"`
[INFO] [stderr]    Compiling gremulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `halted`
[INFO] [stderr]  --> src/cpu/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     halted:     bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mbc.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         file.read_to_end(&mut contents);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "227611b4793bdc078615203bad6fa0229fc34793a8373717f7d0ed13e1b7947d"`
[INFO] running `"docker" "rm" "-f" "227611b4793bdc078615203bad6fa0229fc34793a8373717f7d0ed13e1b7947d"`
[INFO] [stdout] 227611b4793bdc078615203bad6fa0229fc34793a8373717f7d0ed13e1b7947d
[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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44fffb400b6e70718d5a7631449a9ad9c74fb21cef1139e4ea8d4ccd9422f100
[INFO] running `"docker" "start" "-a" "44fffb400b6e70718d5a7631449a9ad9c74fb21cef1139e4ea8d4ccd9422f100"`
[INFO] [stderr]    Compiling gremulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mbc.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         file.read_to_end(&mut contents);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "44fffb400b6e70718d5a7631449a9ad9c74fb21cef1139e4ea8d4ccd9422f100"`
[INFO] running `"docker" "rm" "-f" "44fffb400b6e70718d5a7631449a9ad9c74fb21cef1139e4ea8d4ccd9422f100"`
[INFO] [stdout] 44fffb400b6e70718d5a7631449a9ad9c74fb21cef1139e4ea8d4ccd9422f100
[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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] a05b8f7432465d835acc20358388c10455d05ccc7b75c6a1b70c5ba133cbc04c
[INFO] running `"docker" "start" "-a" "a05b8f7432465d835acc20358388c10455d05ccc7b75c6a1b70c5ba133cbc04c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gremulator-b6b0c160b9dc8ef4
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test cpu::alu::tests::add_carry_to_zero_sets_both_flags ... ok
[INFO] [stdout] test cpu::alu::tests::add_half_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::add_overflow_handles_properly ... ok
[INFO] [stdout] test cpu::alu::tests::add_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::add_simple_add_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::add_missing_value_adds_accumulator_to_itself ... ok
[INFO] [stdout] test cpu::alu::tests::and_missing_value_ands_accumulator_with_itself ... ok
[INFO] [stdout] test cpu::alu::tests::and_simple_and_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::and_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::cp_does_not_change_accumulator_value ... ok
[INFO] [stdout] test cpu::alu::tests::cp_half_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::cp_missing_value_tests_against_self ... ok
[INFO] [stdout] test cpu::alu::tests::cp_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::or_missing_value_ors_accumulator_with_itself ... ok
[INFO] [stdout] test cpu::alu::tests::or_simple_or_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::or_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::sub_half_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::sub_missing_value_subtracts_accumulator_from_itself ... ok
[INFO] [stdout] test cpu::alu::tests::sub_overflow_handles_properly ... ok
[INFO] [stdout] test cpu::alu::tests::sub_simple_subtraction_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::sub_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::xor_missing_value_xors_accumulator_with_itself ... ok
[INFO] [stdout] test cpu::alu::tests::cp_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::xor_simple_xor_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::xor_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::tests::cpu_creates_properly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gremulator-8e650f8cd6721ddb
[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 gremulator
[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" "a05b8f7432465d835acc20358388c10455d05ccc7b75c6a1b70c5ba133cbc04c"`
[INFO] running `"docker" "rm" "-f" "a05b8f7432465d835acc20358388c10455d05ccc7b75c6a1b70c5ba133cbc04c"`
[INFO] [stdout] a05b8f7432465d835acc20358388c10455d05ccc7b75c6a1b70c5ba133cbc04c