[INFO] cloning repository https://github.com/tomyamkum/make_cpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomyamkum/make_cpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Fmake_cpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Fmake_cpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9afd7338a80dfce535aa677b5a4caec1e8354e8
[INFO] checking tomyamkum/make_cpu against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Fmake_cpu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomyamkum/make_cpu on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomyamkum/make_cpu
[INFO] finished tweaking git repo https://github.com/tomyamkum/make_cpu
[INFO] tweaked toml for git repo https://github.com/tomyamkum/make_cpu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomyamkum/make_cpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ef45b2b81b596d785a1fa172de8230a246fa660b70f6aea8497970e25a461de
[INFO] running `Command { std: "docker" "start" "-a" "4ef45b2b81b596d785a1fa172de8230a246fa660b70f6aea8497970e25a461de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef45b2b81b596d785a1fa172de8230a246fa660b70f6aea8497970e25a461de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef45b2b81b596d785a1fa172de8230a246fa660b70f6aea8497970e25a461de", kill_on_drop: false }`
[INFO] [stdout] 4ef45b2b81b596d785a1fa172de8230a246fa660b70f6aea8497970e25a461de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de9ca1f126e53c01b858dc11d2b83cd302e8a31a26d8d9797aea3619b383738
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8de9ca1f126e53c01b858dc11d2b83cd302e8a31a26d8d9797aea3619b383738", kill_on_drop: false }`
[INFO] [stderr]     Checking make_cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assembler.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn assemble() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assembler.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn assemble() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/computer.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |           loop {
[INFO] [stdout]    |  _________-
[INFO] [stdout] 59 | |             let inst = self.rom.load([true; 16], cpu_result.pc, false);
[INFO] [stdout] 60 | |             cpu_result = self.cpu.next(inst, in_m, reset);
[INFO] [stdout] 61 | |             in_m = self.memory.load(cpu_result.out_memory, cpu_result.address_memory, cpu_result.write_memory);
[INFO] [stdout] 62 | |             println!("{:?}", self.memory.load([true; 16], [true,false,false,false,true,false,false,false,fal...
[INFO] [stdout] 63 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 64 |           self.memory.load([false; 16], [false; 15], false)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/computer.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |           loop {
[INFO] [stdout]    |  _________-
[INFO] [stdout] 59 | |             let inst = self.rom.load([true; 16], cpu_result.pc, false);
[INFO] [stdout] 60 | |             cpu_result = self.cpu.next(inst, in_m, reset);
[INFO] [stdout] 61 | |             in_m = self.memory.load(cpu_result.out_memory, cpu_result.address_memory, cpu_result.write_memory);
[INFO] [stdout] 62 | |             println!("{:?}", self.memory.load([true; 16], [true,false,false,false,true,false,false,false,fal...
[INFO] [stdout] 63 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 64 |           self.memory.load([false; 16], [false; 15], false)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alu_result` is never read
[INFO] [stdout]   --> src/cpu.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut alu_result = ALUResult {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alu_result` is never read
[INFO] [stdout]   --> src/cpu.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut alu_result = ALUResult {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make_cpu::assembler::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use make_cpu::assembler::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `make_cpu::assembler::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use make_cpu::assembler::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "8de9ca1f126e53c01b858dc11d2b83cd302e8a31a26d8d9797aea3619b383738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de9ca1f126e53c01b858dc11d2b83cd302e8a31a26d8d9797aea3619b383738", kill_on_drop: false }`
[INFO] [stdout] 8de9ca1f126e53c01b858dc11d2b83cd302e8a31a26d8d9797aea3619b383738