[INFO] cloning repository https://github.com/14ROVI/aca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/14ROVI/aca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F14ROVI%2Faca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F14ROVI%2Faca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79a4ada6c46fb166d5761b7e7dd16f73681acc68
[INFO] checking 14ROVI/aca against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F14ROVI%2Faca" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/14ROVI/aca on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/14ROVI/aca
[INFO] finished tweaking git repo https://github.com/14ROVI/aca
[INFO] tweaked toml for git repo https://github.com/14ROVI/aca written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/14ROVI/aca 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686b1fee41a6c19cf3fb51965bab617c33eec894fc183a2c71d34c1d6b856b58
[INFO] running `Command { std: "docker" "start" "-a" "686b1fee41a6c19cf3fb51965bab617c33eec894fc183a2c71d34c1d6b856b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686b1fee41a6c19cf3fb51965bab617c33eec894fc183a2c71d34c1d6b856b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686b1fee41a6c19cf3fb51965bab617c33eec894fc183a2c71d34c1d6b856b58", kill_on_drop: false }`
[INFO] [stdout] 686b1fee41a6c19cf3fb51965bab617c33eec894fc183a2c71d34c1d6b856b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafe25895ca535724c50f7fe9dedfc5a4ee3a0a2ce63642850fe5f60527fd287
[INFO] running `Command { std: "docker" "start" "-a" "aafe25895ca535724c50f7fe9dedfc5a4ee3a0a2ce63642850fe5f60527fd287", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking aca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Registers` is more private than the item `Decoder::registers`
[INFO] [stdout]    --> src/cpu.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub registers: Rc<RefCell<Registers>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Decoder::registers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Registers` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cpu.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout] 18  | struct Registers {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Registers` is more private than the item `Writer::registers`
[INFO] [stdout]    --> src/cpu.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub registers: Rc<RefCell<Registers>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Writer::registers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Registers` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cpu.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout] 18  | struct Registers {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CurrentOp` is never constructed
[INFO] [stdout]   --> src/cpu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Register {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     CurrentOp,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/cpu.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Registers {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get(&self, reg: Register) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]   --> src/cpu.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Clock {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `cycle`, and `adv` are never used
[INFO] [stdout]   --> src/cpu.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 60 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn cycle(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn adv(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_immediate`, `subtract`, and `subtract_immediate` are never used
[INFO] [stdout]   --> src/instructions.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Op {
[INFO] [stdout]    | ------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_immediate(ro: u32, rl: u32, immediate: i32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn subtract(ro: u32, rl: u32, rr: u32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn subtract_immediate(ro: u32, rl: u32, immediate: i32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `4` and `5` are never read
[INFO] [stdout]   --> src/instructions.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     R(Op, u32, u32, u32, u32, u32), // op, ro, rl, rr, shamr, funct
[INFO] [stdout]    |     -                    ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 38 |     R(Op, u32, u32, u32, (), ()), // op, ro, rl, rr, shamr, funct
[INFO] [stdout]    |                          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `J` is never constructed
[INFO] [stdout]   --> src/instructions.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Word {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     J(Op, u32),                     // op, address
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op` is never used
[INFO] [stdout]   --> src/instructions.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Word {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 43 |     pub fn op(&self) -> Op {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Registers` is more private than the item `Decoder::registers`
[INFO] [stdout]    --> src/cpu.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub registers: Rc<RefCell<Registers>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Decoder::registers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Registers` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cpu.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout] 18  | struct Registers {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Registers` is more private than the item `Writer::registers`
[INFO] [stdout]    --> src/cpu.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub registers: Rc<RefCell<Registers>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Writer::registers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Registers` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/cpu.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout] 18  | struct Registers {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CurrentOp` is never constructed
[INFO] [stdout]   --> src/cpu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Register {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     CurrentOp,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/cpu.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Registers {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get(&self, reg: Register) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]   --> src/cpu.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Clock {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `cycle`, and `adv` are never used
[INFO] [stdout]   --> src/cpu.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 60 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn cycle(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn adv(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_immediate`, `subtract`, and `subtract_immediate` are never used
[INFO] [stdout]   --> src/instructions.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Op {
[INFO] [stdout]    | ------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_immediate(ro: u32, rl: u32, immediate: i32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn subtract(ro: u32, rl: u32, rr: u32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn subtract_immediate(ro: u32, rl: u32, immediate: i32) -> Word {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `4` and `5` are never read
[INFO] [stdout]   --> src/instructions.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     R(Op, u32, u32, u32, u32, u32), // op, ro, rl, rr, shamr, funct
[INFO] [stdout]    |     -                    ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 38 |     R(Op, u32, u32, u32, (), ()), // op, ro, rl, rr, shamr, funct
[INFO] [stdout]    |                          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `J` is never constructed
[INFO] [stdout]   --> src/instructions.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Word {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     J(Op, u32),                     // op, address
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `op` is never used
[INFO] [stdout]   --> src/instructions.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Word {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 43 |     pub fn op(&self) -> Op {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "aafe25895ca535724c50f7fe9dedfc5a4ee3a0a2ce63642850fe5f60527fd287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafe25895ca535724c50f7fe9dedfc5a4ee3a0a2ce63642850fe5f60527fd287", kill_on_drop: false }`
[INFO] [stdout] aafe25895ca535724c50f7fe9dedfc5a4ee3a0a2ce63642850fe5f60527fd287
