[INFO] cloning repository https://github.com/Doxterpepper/rugb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Doxterpepper/rugb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoxterpepper%2Frugb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoxterpepper%2Frugb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fdfc019c1e4d761b165bdd0544b6ed72b96b813
[INFO] checking Doxterpepper/rugb against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoxterpepper%2Frugb" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Doxterpepper/rugb on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Doxterpepper/rugb
[INFO] finished tweaking git repo https://github.com/Doxterpepper/rugb
[INFO] tweaked toml for git repo https://github.com/Doxterpepper/rugb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Doxterpepper/rugb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4240451384ae6fd54057ba5287b4071835ac06aec34c4a6081b62cca6a502d14
[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" "4240451384ae6fd54057ba5287b4071835ac06aec34c4a6081b62cca6a502d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4240451384ae6fd54057ba5287b4071835ac06aec34c4a6081b62cca6a502d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4240451384ae6fd54057ba5287b4071835ac06aec34c4a6081b62cca6a502d14", kill_on_drop: false }`
[INFO] [stdout] 4240451384ae6fd54057ba5287b4071835ac06aec34c4a6081b62cca6a502d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca8fedda57c9d4869892352aaa7cec20d3459e9c655806bb127c469ad1aa41ed
[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" "ca8fedda57c9d4869892352aaa7cec20d3459e9c655806bb127c469ad1aa41ed", kill_on_drop: false }`
[INFO] [stderr]     Checking rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     sp: u16,
[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: field is never read: `sp`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     sp: u16,
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "ca8fedda57c9d4869892352aaa7cec20d3459e9c655806bb127c469ad1aa41ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8fedda57c9d4869892352aaa7cec20d3459e9c655806bb127c469ad1aa41ed", kill_on_drop: false }`
[INFO] [stdout] ca8fedda57c9d4869892352aaa7cec20d3459e9c655806bb127c469ad1aa41ed