[INFO] cloning repository https://github.com/juanbono/nes_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanbono/nes_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fnes_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fnes_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b7544532ed510f2933b24d26c8a0f69228ae39
[INFO] checking juanbono/nes_emulator against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fnes_emulator" "/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/juanbono/nes_emulator
[INFO] finished tweaking git repo https://github.com/juanbono/nes_emulator
[INFO] tweaked toml for git repo https://github.com/juanbono/nes_emulator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/juanbono/nes_emulator on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/juanbono/nes_emulator 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flagset v0.4.3
[INFO] [stderr]   Downloaded once_cell v1.11.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33e0101fb07fd44ba36b96e4982d9704620ff4a12ed3bfa1991295299ec8fc18
[INFO] running `Command { std: "docker" "start" "-a" "33e0101fb07fd44ba36b96e4982d9704620ff4a12ed3bfa1991295299ec8fc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e0101fb07fd44ba36b96e4982d9704620ff4a12ed3bfa1991295299ec8fc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e0101fb07fd44ba36b96e4982d9704620ff4a12ed3bfa1991295299ec8fc18", kill_on_drop: false }`
[INFO] [stdout] 33e0101fb07fd44ba36b96e4982d9704620ff4a12ed3bfa1991295299ec8fc18
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46919545a5cf0582568224325f125809f398622a1456dd1326ff182bb9117bc5
[INFO] running `Command { std: "docker" "start" "-a" "46919545a5cf0582568224325f125809f398622a1456dd1326ff182bb9117bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking flagset v0.4.3
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking nes_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mnemonic` and `cycles` are never read
[INFO] [stdout]   --> src/cpu/opcodes.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpCode {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  7 |     pub code: u8,
[INFO] [stdout]  8 |     pub mnemonic: &'static str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  9 |     pub len: u8,
[INFO] [stdout] 10 |     pub cycles: u8,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mnemonic` and `cycles` are never read
[INFO] [stdout]   --> src/cpu/opcodes.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpCode {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  7 |     pub code: u8,
[INFO] [stdout]  8 |     pub mnemonic: &'static str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  9 |     pub len: u8,
[INFO] [stdout] 10 |     pub cycles: u8,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mnemonic` and `cycles` are never read
[INFO] [stdout]   --> src/cpu/opcodes.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpCode {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  7 |     pub code: u8,
[INFO] [stdout]  8 |     pub mnemonic: &'static str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  9 |     pub len: u8,
[INFO] [stdout] 10 |     pub cycles: u8,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mnemonic` and `cycles` are never read
[INFO] [stdout]   --> src/cpu/opcodes.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpCode {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  7 |     pub code: u8,
[INFO] [stdout]  8 |     pub mnemonic: &'static str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  9 |     pub len: u8,
[INFO] [stdout] 10 |     pub cycles: u8,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "46919545a5cf0582568224325f125809f398622a1456dd1326ff182bb9117bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46919545a5cf0582568224325f125809f398622a1456dd1326ff182bb9117bc5", kill_on_drop: false }`
[INFO] [stdout] 46919545a5cf0582568224325f125809f398622a1456dd1326ff182bb9117bc5