[INFO] cloning repository https://github.com/yuk1ty/cpu-4bit-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/cpu-4bit-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Fcpu-4bit-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Fcpu-4bit-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58959293ea46332826eaa0889fb9b4e2e3e27b0f
[INFO] testing yuk1ty/cpu-4bit-emulator against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Fcpu-4bit-emulator" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/cpu-4bit-emulator on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-32/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yuk1ty/cpu-4bit-emulator
[INFO] finished tweaking git repo https://github.com/yuk1ty/cpu-4bit-emulator
[INFO] tweaked toml for git repo https://github.com/yuk1ty/cpu-4bit-emulator written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/cpu-4bit-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff5cd418e489f582d2a3a917e4b8fe46c3e86d805a67b4a228fd169b13ec7283
[INFO] running `Command { std: "docker" "start" "-a" "ff5cd418e489f582d2a3a917e4b8fe46c3e86d805a67b4a228fd169b13ec7283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff5cd418e489f582d2a3a917e4b8fe46c3e86d805a67b4a228fd169b13ec7283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5cd418e489f582d2a3a917e4b8fe46c3e86d805a67b4a228fd169b13ec7283", kill_on_drop: false }`
[INFO] [stdout] ff5cd418e489f582d2a3a917e4b8fe46c3e86d805a67b4a228fd169b13ec7283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1f98182b731d8ade7ed0de2d3e7289ae93d0ef75320237ef4594db76493237
[INFO] running `Command { std: "docker" "start" "-a" "2f1f98182b731d8ade7ed0de2d3e7289ae93d0ef75320237ef4594db76493237", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling cpu-4bit-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     msg: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "2f1f98182b731d8ade7ed0de2d3e7289ae93d0ef75320237ef4594db76493237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1f98182b731d8ade7ed0de2d3e7289ae93d0ef75320237ef4594db76493237", kill_on_drop: false }`
[INFO] [stdout] 2f1f98182b731d8ade7ed0de2d3e7289ae93d0ef75320237ef4594db76493237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b977e2b772d8917973270d1d7aa941b67d03b8deeb455233b4521dc15b1c448f
[INFO] running `Command { std: "docker" "start" "-a" "b977e2b772d8917973270d1d7aa941b67d03b8deeb455233b4521dc15b1c448f", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     msg: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cpu-4bit-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     msg: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b977e2b772d8917973270d1d7aa941b67d03b8deeb455233b4521dc15b1c448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b977e2b772d8917973270d1d7aa941b67d03b8deeb455233b4521dc15b1c448f", kill_on_drop: false }`
[INFO] [stdout] b977e2b772d8917973270d1d7aa941b67d03b8deeb455233b4521dc15b1c448f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9b1a870620135acb089417291c0d9373d3bfcf43b792a8bc40e4a7a4225b2f2
[INFO] running `Command { std: "docker" "start" "-a" "a9b1a870620135acb089417291c0d9373d3bfcf43b792a8bc40e4a7a4225b2f2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `msg`
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     msg: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu-4bit-emulator` (lib) generated 1 warning
[INFO] [stderr] warning: `cpu-4bit-emulator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpu_4bit_emulator-b724186a48b3b5b8)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-e109e1e48adf83dd)
[INFO] [stdout] test compiler::compiler_tests::test_compile_add_a ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_add_b ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_in_b ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_in_a ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_jmp ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_jnc ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_mov_a ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_mov_ab ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_mov_b ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_out_b ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_mov_ba ... ok
[INFO] [stdout] test compiler::compiler_tests::test_compile_out_im ... ok
[INFO] [stdout] test emulator::cpu_tests::test_add_a_without_carrying ... ok
[INFO] [stdout] test emulator::cpu_tests::test_add_b_without_carrying ... ok
[INFO] [stdout] test emulator::cpu_tests::test_jmp ... ok
[INFO] [stdout] test emulator::cpu_tests::test_mov_a ... ok
[INFO] [stdout] test emulator::cpu_tests::test_mov_a2b ... ok
[INFO] [stdout] test emulator::cpu_tests::test_mov_b ... ok
[INFO] [stdout] test emulator::cpu_tests::test_port_in_a ... ok
[INFO] [stdout] test emulator::cpu_tests::test_mov_b2a ... ok
[INFO] [stdout] test emulator::cpu_tests::test_port_in_b ... ok
[INFO] [stdout] test emulator::cpu_tests::test_port_out_b ... ok
[INFO] [stdout] test parser::parser_tests::parse_simple ... ok
[INFO] [stdout] test emulator::cpu_tests::test_port_out_im ... ok
[INFO] [stdout] test register::tests::test_incr_pc ... ok
[INFO] [stdout] test register::tests::test_set_register_a ... ok
[INFO] [stdout] test register::tests::test_set_pc ... ok
[INFO] [stdout] test register::tests::test_set_register_b ... ok
[INFO] [stdout] test register::tests::test_set_carry_flag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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 cpu-4bit-emulator
[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" "a9b1a870620135acb089417291c0d9373d3bfcf43b792a8bc40e4a7a4225b2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b1a870620135acb089417291c0d9373d3bfcf43b792a8bc40e4a7a4225b2f2", kill_on_drop: false }`
[INFO] [stdout] a9b1a870620135acb089417291c0d9373d3bfcf43b792a8bc40e4a7a4225b2f2