[INFO] crate dns-lookup 1.0.3 is already in cache
[INFO] checking dns-lookup-1.0.3 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate dns-lookup 1.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dns-lookup 1.0.3 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 crates.io crate dns-lookup 1.0.3
[INFO] finished tweaking crates.io crate dns-lookup 1.0.3
[INFO] tweaked toml for crates.io crate dns-lookup 1.0.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d7223a6a0edc79f2fa9b59e76fb05aa9400b3aee633c001a3a094446ecbf6e
[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" "63d7223a6a0edc79f2fa9b59e76fb05aa9400b3aee633c001a3a094446ecbf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d7223a6a0edc79f2fa9b59e76fb05aa9400b3aee633c001a3a094446ecbf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d7223a6a0edc79f2fa9b59e76fb05aa9400b3aee633c001a3a094446ecbf6e", kill_on_drop: false }`
[INFO] [stdout] 63d7223a6a0edc79f2fa9b59e76fb05aa9400b3aee633c001a3a094446ecbf6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd863c2adf04b7d00ca1ae76b8fe512af6fd6630413d36bc9bd13722592aef5
[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" "5dd863c2adf04b7d00ca1ae76b8fe512af6fd6630413d36bc9bd13722592aef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dns-lookup v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/lookup.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use libc;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stdout]    |              ------------------ the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/lookup.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 |       use libc;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stdout]    |              ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/lookup.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use libc;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stdout]    |              ------------------ the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/lookup.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 |       use libc;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stdout]    |              ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "5dd863c2adf04b7d00ca1ae76b8fe512af6fd6630413d36bc9bd13722592aef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd863c2adf04b7d00ca1ae76b8fe512af6fd6630413d36bc9bd13722592aef5", kill_on_drop: false }`
[INFO] [stdout] 5dd863c2adf04b7d00ca1ae76b8fe512af6fd6630413d36bc9bd13722592aef5