[INFO] fetching crate dg6502 0.1.0...
[INFO] checking dg6502-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate dg6502 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dg6502 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dg6502 0.1.0
[INFO] finished tweaking crates.io crate dg6502 0.1.0
[INFO] tweaked toml for crates.io crate dg6502 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dg6502 0.1.0 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a2c6db997f09b3b261044cba5f1927935a24e3bdf9dab3734d233bdb482dc7
[INFO] running `Command { std: "docker" "start" "-a" "67a2c6db997f09b3b261044cba5f1927935a24e3bdf9dab3734d233bdb482dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a2c6db997f09b3b261044cba5f1927935a24e3bdf9dab3734d233bdb482dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a2c6db997f09b3b261044cba5f1927935a24e3bdf9dab3734d233bdb482dc7", kill_on_drop: false }`
[INFO] [stdout] 67a2c6db997f09b3b261044cba5f1927935a24e3bdf9dab3734d233bdb482dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac5483c6cd4199040125fc3359f1e264a9e994b571411f4700d7e69a3f4c96f6
[INFO] running `Command { std: "docker" "start" "-a" "ac5483c6cd4199040125fc3359f1e264a9e994b571411f4700d7e69a3f4c96f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking dg6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `lower_digit` and `upper_digit` are never used
[INFO] [stdout]    --> src/cpu.rs:712:8
[INFO] [stdout]     |
[INFO] [stdout] 381 | impl<T: bus::CPUMemory> Cpu<T> {
[INFO] [stdout]     | ------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 712 |     fn lower_digit(&mut self, x: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 716 |     fn upper_digit(&mut self, x: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lower_digit` and `upper_digit` are never used
[INFO] [stdout]    --> src/cpu.rs:712:8
[INFO] [stdout]     |
[INFO] [stdout] 381 | impl<T: bus::CPUMemory> Cpu<T> {
[INFO] [stdout]     | ------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 712 |     fn lower_digit(&mut self, x: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 716 |     fn upper_digit(&mut self, x: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         execute!(
[INFO] [stdout] 30 | |             stdout(),
[INFO] [stdout] 31 | |             Clear(crossterm::terminal::ClearType::All),
[INFO] [stdout] 32 | |             Print(&cpu),
[INFO] [stdout] 33 | |             Print(format!("{:#X} {:#X} | {}\n", cpu.bus.read(0x2), cpu.bus.read(0x3), steps)),
[INFO] [stdout] 34 | |             Print("Z - 1 steps X - 100 steps C - 1K steps V - 1M steps\n")
[INFO] [stdout] 35 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         execute!(
[INFO] [stdout] 30 | |             stdout(),
[INFO] [stdout] 31 | |             Clear(crossterm::terminal::ClearType::All),
[INFO] [stdout] 32 | |             Print(&cpu),
[INFO] [stdout] 33 | |             Print(format!("{:#X} {:#X} | {}\n", cpu.bus.read(0x2), cpu.bus.read(0x3), steps)),
[INFO] [stdout] 34 | |             Print("Z - 1 steps X - 100 steps C - 1K steps V - 1M steps\n")
[INFO] [stdout] 35 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "ac5483c6cd4199040125fc3359f1e264a9e994b571411f4700d7e69a3f4c96f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5483c6cd4199040125fc3359f1e264a9e994b571411f4700d7e69a3f4c96f6", kill_on_drop: false }`
[INFO] [stdout] ac5483c6cd4199040125fc3359f1e264a9e994b571411f4700d7e69a3f4c96f6
