[INFO] cloning repository https://github.com/piotr-m-jurek/rust-invaders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piotr-m-jurek/rust-invaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotr-m-jurek%2Frust-invaders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotr-m-jurek%2Frust-invaders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751ecd15478a72d8c95475b7cb188c4beaa0b30d
[INFO] checking piotr-m-jurek/rust-invaders against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotr-m-jurek%2Frust-invaders" "/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/piotr-m-jurek/rust-invaders on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/piotr-m-jurek/rust-invaders
[INFO] finished tweaking git repo https://github.com/piotr-m-jurek/rust-invaders
[INFO] tweaked toml for git repo https://github.com/piotr-m-jurek/rust-invaders written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/piotr-m-jurek/rust-invaders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271ee013d21524d40d9375920b224247a05352c87e7c1687a10a2ac4e4c03aba
[INFO] running `Command { std: "docker" "start" "-a" "271ee013d21524d40d9375920b224247a05352c87e7c1687a10a2ac4e4c03aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271ee013d21524d40d9375920b224247a05352c87e7c1687a10a2ac4e4c03aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271ee013d21524d40d9375920b224247a05352c87e7c1687a10a2ac4e4c03aba", kill_on_drop: false }`
[INFO] [stdout] 271ee013d21524d40d9375920b224247a05352c87e7c1687a10a2ac4e4c03aba
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d76fb9cdb3395342d738db46e70cdf48e3eae17296fe596dd37edca2eeeb43
[INFO] running `Command { std: "docker" "start" "-a" "d9d76fb9cdb3395342d738db46e70cdf48e3eae17296fe596dd37edca2eeeb43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-invaders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cpu {
[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: `new`
[INFO] [stdout]   --> src/main.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new () -> Cpu {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     PC: u16,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Cpu {
[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: `new`
[INFO] [stdout]   --> src/main.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new () -> Cpu {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     PC: u16,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d9d76fb9cdb3395342d738db46e70cdf48e3eae17296fe596dd37edca2eeeb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d76fb9cdb3395342d738db46e70cdf48e3eae17296fe596dd37edca2eeeb43", kill_on_drop: false }`
[INFO] [stdout] d9d76fb9cdb3395342d738db46e70cdf48e3eae17296fe596dd37edca2eeeb43