[INFO] fetching crate futures-net-macro 1.0.0...
[INFO] checking futures-net-macro-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate futures-net-macro 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate futures-net-macro 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-net-macro 1.0.0
[INFO] finished tweaking crates.io crate futures-net-macro 1.0.0
[INFO] tweaked toml for crates.io crate futures-net-macro 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] c5177a8f3ca0058226aa5bb03b285a1597db3abf7e556996b157a09f60904979
[INFO] running `Command { std: "docker" "start" "-a" "c5177a8f3ca0058226aa5bb03b285a1597db3abf7e556996b157a09f60904979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5177a8f3ca0058226aa5bb03b285a1597db3abf7e556996b157a09f60904979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5177a8f3ca0058226aa5bb03b285a1597db3abf7e556996b157a09f60904979", kill_on_drop: false }`
[INFO] [stdout] c5177a8f3ca0058226aa5bb03b285a1597db3abf7e556996b157a09f60904979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df370e1de4c35adff535b4d61285bc8891490ff763d137b14e8a67f25ed8e62a
[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" "df370e1de4c35adff535b4d61285bc8891490ff763d137b14e8a67f25ed8e62a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-net-macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let name = &sig.ident;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "df370e1de4c35adff535b4d61285bc8891490ff763d137b14e8a67f25ed8e62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df370e1de4c35adff535b4d61285bc8891490ff763d137b14e8a67f25ed8e62a", kill_on_drop: false }`
[INFO] [stdout] df370e1de4c35adff535b4d61285bc8891490ff763d137b14e8a67f25ed8e62a
