[INFO] cloning repository https://github.com/eatgrass/nes_from_scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eatgrass/nes_from_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featgrass%2Fnes_from_scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featgrass%2Fnes_from_scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8434501a1babe408495ce44c2cd8cce9199e4697
[INFO] checking eatgrass/nes_from_scratch against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featgrass%2Fnes_from_scratch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eatgrass/nes_from_scratch
[INFO] finished tweaking git repo https://github.com/eatgrass/nes_from_scratch
[INFO] tweaked toml for git repo https://github.com/eatgrass/nes_from_scratch written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eatgrass/nes_from_scratch on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eatgrass/nes_from_scratch 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b96f1507cf4e6e1245f4485259cddd030090944766fd42bbcfe1897166ad5f
[INFO] running `Command { std: "docker" "start" "-a" "f6b96f1507cf4e6e1245f4485259cddd030090944766fd42bbcfe1897166ad5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b96f1507cf4e6e1245f4485259cddd030090944766fd42bbcfe1897166ad5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b96f1507cf4e6e1245f4485259cddd030090944766fd42bbcfe1897166ad5f", kill_on_drop: false }`
[INFO] [stdout] f6b96f1507cf4e6e1245f4485259cddd030090944766fd42bbcfe1897166ad5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc88f5532d9df2625738799c5974a34396b5218b91572960e516d09cef1113e
[INFO] running `Command { std: "docker" "start" "-a" "3fc88f5532d9df2625738799c5974a34396b5218b91572960e516d09cef1113e", kill_on_drop: false }`
[INFO] [stderr]     Checking nes_from_scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tya`
[INFO] [stdout]  --> src/cpu.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::instructions::{tya, Instruction};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `op_code` is never read
[INFO] [stdout]  --> src/instructions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Instruction {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     op_code: u8,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/mem.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Memory {}
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `translate` is never used
[INFO] [stdout]  --> src/mem.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Memory {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 5 |     fn translate(&self, mode: AddressingMode) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AddressingMode` is never used
[INFO] [stdout]   --> src/mem.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum AddressingMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tya` should have an upper case name
[INFO] [stdout]   --> src/instructions.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static tya: Instruction = Instruction {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper case: `TYA`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `op_code` is never read
[INFO] [stdout]  --> src/instructions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Instruction {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     op_code: u8,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/mem.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Memory {}
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `translate` is never used
[INFO] [stdout]  --> src/mem.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Memory {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 5 |     fn translate(&self, mode: AddressingMode) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AddressingMode` is never used
[INFO] [stdout]   --> src/mem.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum AddressingMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tya` should have an upper case name
[INFO] [stdout]   --> src/instructions.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static tya: Instruction = Instruction {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper case: `TYA`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "3fc88f5532d9df2625738799c5974a34396b5218b91572960e516d09cef1113e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc88f5532d9df2625738799c5974a34396b5218b91572960e516d09cef1113e", kill_on_drop: false }`
[INFO] [stdout] 3fc88f5532d9df2625738799c5974a34396b5218b91572960e516d09cef1113e