[INFO] cloning repository https://github.com/stianeklund/z80-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stianeklund/z80-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7121bd3f8a5e63a2de31a8a3bdb3abe36dd7ba7
[INFO] checking stianeklund/z80-rs against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/z80-rs on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] finished tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] tweaked toml for git repo https://github.com/stianeklund/z80-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/z80-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf0cf5360a36200a888b595be7d7d59cc06f7c554c69f6c07ba1f1536e326342
[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" "bf0cf5360a36200a888b595be7d7d59cc06f7c554c69f6c07ba1f1536e326342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0cf5360a36200a888b595be7d7d59cc06f7c554c69f6c07ba1f1536e326342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0cf5360a36200a888b595be7d7d59cc06f7c554c69f6c07ba1f1536e326342", kill_on_drop: false }`
[INFO] [stdout] bf0cf5360a36200a888b595be7d7d59cc06f7c554c69f6c07ba1f1536e326342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d9c977a4fe9685fa93ca43e3e94bfaaef06cbdd87d66b14419c70bec68e7ee
[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" "27d9c977a4fe9685fa93ca43e3e94bfaaef06cbdd87d66b14419c70bec68e7ee", kill_on_drop: false }`
[INFO] [stderr]     Checking z80-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     output: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all_tests`
[INFO] [stdout]   --> src/cpu_tests.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn all_tests() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     output: bool,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "27d9c977a4fe9685fa93ca43e3e94bfaaef06cbdd87d66b14419c70bec68e7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d9c977a4fe9685fa93ca43e3e94bfaaef06cbdd87d66b14419c70bec68e7ee", kill_on_drop: false }`
[INFO] [stdout] 27d9c977a4fe9685fa93ca43e3e94bfaaef06cbdd87d66b14419c70bec68e7ee