[INFO] updating cached repository https://github.com/GreenMine/i8080-riir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/GreenMine/i8080-riir
[INFO] [stderr]    0729dec..49289fe  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49289fea9e8997bb819019b9642cd76d242ee353
[INFO] checking GreenMine/i8080-riir against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreenMine%2Fi8080-riir" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GreenMine/i8080-riir on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GreenMine/i8080-riir
[INFO] finished tweaking git repo https://github.com/GreenMine/i8080-riir
[INFO] tweaked toml for git repo https://github.com/GreenMine/i8080-riir written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/GreenMine/i8080-riir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 0900ec3c645532bf09287e165847acf74a3941c357d998d03c9ea1a869fec95d
[INFO] running `Command { std: "docker" "start" "-a" "0900ec3c645532bf09287e165847acf74a3941c357d998d03c9ea1a869fec95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0900ec3c645532bf09287e165847acf74a3941c357d998d03c9ea1a869fec95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0900ec3c645532bf09287e165847acf74a3941c357d998d03c9ea1a869fec95d", kill_on_drop: false }`
[INFO] [stdout] 0900ec3c645532bf09287e165847acf74a3941c357d998d03c9ea1a869fec95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2c36fbbcad164329c41eb41209e8af80ef46ef0b05cce84cc06106f2ba6c33
[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" "6c2c36fbbcad164329c41eb41209e8af80ef46ef0b05cce84cc06106f2ba6c33", kill_on_drop: false }`
[INFO] [stderr]     Checking i8080-riir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DwRegisters`
[INFO] [stdout]  --> src/cpu.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |         registers::{DwRegisters, Flag, Registers},
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DwRegisters`
[INFO] [stdout]  --> src/cpu.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |         registers::{DwRegisters, Flag, Registers},
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DwRegisters`
[INFO] [stdout]   --> src/modules/registers.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum DwRegisters {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_dw_reg`
[INFO] [stdout]   --> src/modules/registers.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_dw_reg(&mut self, reg: DwRegisters) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_dw_reg`
[INFO] [stdout]   --> src/modules/registers.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_dw_reg(&mut self, reg: DwRegisters, value: u16) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reg_as_link`
[INFO] [stdout]   --> src/modules/registers.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn reg_as_link(&mut self, reg: DwRegisters) -> (&mut u8, &mut u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DwRegisters`
[INFO] [stdout]   --> src/modules/registers.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum DwRegisters {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_dw_reg`
[INFO] [stdout]   --> src/modules/registers.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_dw_reg(&mut self, reg: DwRegisters) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_dw_reg`
[INFO] [stdout]   --> src/modules/registers.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_dw_reg(&mut self, reg: DwRegisters, value: u16) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reg_as_link`
[INFO] [stdout]   --> src/modules/registers.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn reg_as_link(&mut self, reg: DwRegisters) -> (&mut u8, &mut u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6c2c36fbbcad164329c41eb41209e8af80ef46ef0b05cce84cc06106f2ba6c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2c36fbbcad164329c41eb41209e8af80ef46ef0b05cce84cc06106f2ba6c33", kill_on_drop: false }`
[INFO] [stdout] 6c2c36fbbcad164329c41eb41209e8af80ef46ef0b05cce84cc06106f2ba6c33