[INFO] cloning repository https://github.com/1-bit-wonder/cpu-1bw14500b
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1-bit-wonder/cpu-1bw14500b" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1-bit-wonder%2Fcpu-1bw14500b", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1-bit-wonder%2Fcpu-1bw14500b'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ba6658a057cfe87762335263d4196e78ca84baa
[INFO] checking 1-bit-wonder/cpu-1bw14500b against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1-bit-wonder%2Fcpu-1bw14500b" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1-bit-wonder/cpu-1bw14500b
[INFO] finished tweaking git repo https://github.com/1-bit-wonder/cpu-1bw14500b
[INFO] tweaked toml for git repo https://github.com/1-bit-wonder/cpu-1bw14500b written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1-bit-wonder/cpu-1bw14500b on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1-bit-wonder/cpu-1bw14500b already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79d684741765e694152dd2f7c810f614536e9f1e6d6d4e545cc9952026005493
[INFO] running `Command { std: "docker" "start" "-a" "79d684741765e694152dd2f7c810f614536e9f1e6d6d4e545cc9952026005493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d684741765e694152dd2f7c810f614536e9f1e6d6d4e545cc9952026005493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d684741765e694152dd2f7c810f614536e9f1e6d6d4e545cc9952026005493", kill_on_drop: false }`
[INFO] [stdout] 79d684741765e694152dd2f7c810f614536e9f1e6d6d4e545cc9952026005493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad07b5e259865b9629514032560fcb17efd866e7cdb285051541085eec8104c
[INFO] running `Command { std: "docker" "start" "-a" "8ad07b5e259865b9629514032560fcb17efd866e7cdb285051541085eec8104c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking mc14500b_cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `logicunit::LU`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use logicunit::LU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opcode::Opcode`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use opcode::Opcode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpu = CPU::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpu = CPU::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct CPU {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout]  8 |     instr_reg: [bool; 4],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  9 |     result_reg: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     ien_reg: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     oen_reg: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     data: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     jmp_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     rtn_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     flgo_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     flgf_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LU` is never constructed
[INFO] [stdout]  --> src/cpu/logicunit.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LU {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `operation` are never used
[INFO] [stdout]   --> src/cpu/logicunit.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LU {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn operation(self, code: Opcode) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Opcode` is never used
[INFO] [stdout]  --> src/cpu/opcode.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Opcode {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-case-macros v2.1.0
[INFO] [stderr]     Checking test-case v2.1.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.97s
[INFO] [stdout] warning: unused import: `logicunit::LU`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use logicunit::LU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opcode::Opcode`
[INFO] [stdout]  --> src/cpu.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use opcode::Opcode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpu = CPU::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpu = CPU::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct CPU {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout]  8 |     instr_reg: [bool; 4],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  9 |     result_reg: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     ien_reg: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     oen_reg: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     data: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     jmp_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     rtn_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     flgo_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     flgf_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/cpu/logicunit.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LU {
[INFO] [stdout]    | ------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/cpu/opcode.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Opcode {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout]  3 |     NOPO = 0b0000, // No change in registers
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     STO = 0b1000,  // Store
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     STOC = 0b1001, // Store complement
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     IEN = 0b1010,  // Input enable
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     OEN = 0b1011,  // Output enable
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     JMP = 0b1100,  // Set jump flag
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     RTN = 0b1101,  // Set return flag
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     SKZ = 0b1110,  // Skip next instruction if RR=0
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     NOPF = 0b1111, // No change in registers
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ad07b5e259865b9629514032560fcb17efd866e7cdb285051541085eec8104c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad07b5e259865b9629514032560fcb17efd866e7cdb285051541085eec8104c", kill_on_drop: false }`
[INFO] [stdout] 8ad07b5e259865b9629514032560fcb17efd866e7cdb285051541085eec8104c
