[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 try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Fmake_cpu" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomyamkum/make_cpu on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomyamkum/make_cpu 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 610858b6e3502ac8d782466fcd5763c2fc8e98c9f974c9ff9d4f76a776199b60
[INFO] running `Command { std: "docker" "start" "-a" "610858b6e3502ac8d782466fcd5763c2fc8e98c9f974c9ff9d4f76a776199b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "610858b6e3502ac8d782466fcd5763c2fc8e98c9f974c9ff9d4f76a776199b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610858b6e3502ac8d782466fcd5763c2fc8e98c9f974c9ff9d4f76a776199b60", kill_on_drop: false }`
[INFO] [stdout] 610858b6e3502ac8d782466fcd5763c2fc8e98c9f974c9ff9d4f76a776199b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a0892967218a6229230203dfd7010bcd714fdd45e965131498b607ebe131b0
[INFO] running `Command { std: "docker" "start" "-a" "d4a0892967218a6229230203dfd7010bcd714fdd45e965131498b607ebe131b0", 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]    |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn assemble() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/computer.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         loop {
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alu_result` is never read
[INFO] [stdout]   --> src/cpu.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |           let mut alu_result = ALUResult {
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 32 | |             out: [true; 16],
[INFO] [stdout] 33 | |             zr: true, 
[INFO] [stdout] 34 | |             ng: true,
[INFO] [stdout] 35 | |         };
[INFO] [stdout]    | |_________^ this value is reassigned later and never used
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |           alu_result = alu(d_input, a_m_input, inst[11], inst[10], inst[9], inst[8], inst[7], inst[6]);
[INFO] [stdout]    |           -------------------------------------------------------------------------------------------- `alu_result` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) 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]    |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn assemble() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                     +++
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `alu_result` is never read
[INFO] [stdout]   --> src/cpu.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |           let mut alu_result = ALUResult {
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 32 | |             out: [true; 16],
[INFO] [stdout] 33 | |             zr: true, 
[INFO] [stdout] 34 | |             ng: true,
[INFO] [stdout] 35 | |         };
[INFO] [stdout]    | |_________^ this value is reassigned later and never used
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |           alu_result = alu(d_input, a_m_input, inst[11], inst[10], inst[9], inst[8], inst[7], inst[6]);
[INFO] [stdout]    |           -------------------------------------------------------------------------------------------- `alu_result` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d4a0892967218a6229230203dfd7010bcd714fdd45e965131498b607ebe131b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a0892967218a6229230203dfd7010bcd714fdd45e965131498b607ebe131b0", kill_on_drop: false }`
[INFO] [stdout] d4a0892967218a6229230203dfd7010bcd714fdd45e965131498b607ebe131b0
