[INFO] cloning repository https://github.com/evantypanski/gremulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evantypanski/gremulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevantypanski%2Fgremulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevantypanski%2Fgremulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53dcded7f0e8747b9167966ab3f3b165bd5807dc
[INFO] testing evantypanski/gremulator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevantypanski%2Fgremulator" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evantypanski/gremulator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/evantypanski/gremulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0480c641ab77bf2057083fec7d1cec6bfb9686ff7a60126c139220e530a655
[INFO] running `Command { std: "docker" "start" "-a" "2d0480c641ab77bf2057083fec7d1cec6bfb9686ff7a60126c139220e530a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0480c641ab77bf2057083fec7d1cec6bfb9686ff7a60126c139220e530a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0480c641ab77bf2057083fec7d1cec6bfb9686ff7a60126c139220e530a655", kill_on_drop: false }`
[INFO] [stdout] 2d0480c641ab77bf2057083fec7d1cec6bfb9686ff7a60126c139220e530a655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] facd550d07b24e362d7ba44ee0eaf5602483fff804337bbc27e9c3dd99724c64
[INFO] running `Command { std: "docker" "start" "-a" "facd550d07b24e362d7ba44ee0eaf5602483fff804337bbc27e9c3dd99724c64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gremulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/mbc.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         file.read_to_end(&mut contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `Command { std: "docker" "inspect" "facd550d07b24e362d7ba44ee0eaf5602483fff804337bbc27e9c3dd99724c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facd550d07b24e362d7ba44ee0eaf5602483fff804337bbc27e9c3dd99724c64", kill_on_drop: false }`
[INFO] [stdout] facd550d07b24e362d7ba44ee0eaf5602483fff804337bbc27e9c3dd99724c64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3921894909d13a9fc906e24234989c15c2d43f3667097c1c37fa4d25124bcc
[INFO] running `Command { std: "docker" "start" "-a" "1f3921894909d13a9fc906e24234989c15c2d43f3667097c1c37fa4d25124bcc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/mbc.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         file.read_to_end(&mut contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gremulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/mbc.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         file.read_to_end(&mut contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "1f3921894909d13a9fc906e24234989c15c2d43f3667097c1c37fa4d25124bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3921894909d13a9fc906e24234989c15c2d43f3667097c1c37fa4d25124bcc", kill_on_drop: false }`
[INFO] [stdout] 1f3921894909d13a9fc906e24234989c15c2d43f3667097c1c37fa4d25124bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67bcbfbec77b87c88d46bab947833abff4f8575b9234ee4c229fa91f2b46a9dd
[INFO] running `Command { std: "docker" "start" "-a" "67bcbfbec77b87c88d46bab947833abff4f8575b9234ee4c229fa91f2b46a9dd", kill_on_drop: false }`
[INFO] [stderr] warning: unused `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] warning: `gremulator` (lib) generated 1 warning
[INFO] [stderr] warning: `gremulator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gremulator-81911b70df14f4a3)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test cpu::alu::tests::adc_carry_applies_properly ... ok
[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_missing_value_adds_accumulator_to_itself ... ok
[INFO] [stdout] test cpu::alu::tests::add_overflow_handles_properly ... ok
[INFO] [stdout] test cpu::alu::tests::add_simple_add_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::add_zero_flag_sets_properly ... 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_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::cp_half_carry_flag_sets_properly ... ok
[INFO] [stdout] test cpu::alu::tests::cp_does_not_change_accumulator_value ... 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::dec_flags ... ok
[INFO] [stdout] test cpu::alu::tests::dec_simple ... ok
[INFO] [stdout] test cpu::alu::tests::inc_flags ... ok
[INFO] [stdout] test cpu::alu::tests::or_missing_value_ors_accumulator_with_itself ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gremulator-b4e306413939f89e)
[INFO] [stdout] test cpu::alu::tests::inc_simple ... 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_simple_xor_calculates_correctly ... ok
[INFO] [stdout] test cpu::alu::tests::xor_missing_value_xors_accumulator_with_itself ... ok
[INFO] [stdout] test cpu::alu::tests::xor_zero_flag_sets_properly ... ok
[INFO] [stdout] test cpu::cpu::tests::cpu_creates_properly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67bcbfbec77b87c88d46bab947833abff4f8575b9234ee4c229fa91f2b46a9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bcbfbec77b87c88d46bab947833abff4f8575b9234ee4c229fa91f2b46a9dd", kill_on_drop: false }`
[INFO] [stdout] 67bcbfbec77b87c88d46bab947833abff4f8575b9234ee4c229fa91f2b46a9dd