[INFO] crate dns-lookup 1.0.3 is already in cache
[INFO] testing dns-lookup-1.0.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate dns-lookup 1.0.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dns-lookup 1.0.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d44d03689c76422924f715c9b22d281dd24624fcf8ac060600acd89c7dede6
[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" "69d44d03689c76422924f715c9b22d281dd24624fcf8ac060600acd89c7dede6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d44d03689c76422924f715c9b22d281dd24624fcf8ac060600acd89c7dede6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d44d03689c76422924f715c9b22d281dd24624fcf8ac060600acd89c7dede6", kill_on_drop: false }`
[INFO] [stdout] 69d44d03689c76422924f715c9b22d281dd24624fcf8ac060600acd89c7dede6
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a8c15948d2bc62a3661e95db0b70107c30fa9821ff096a3aaa6aa3bf74d9a32
[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" "1a8c15948d2bc62a3661e95db0b70107c30fa9821ff096a3aaa6aa3bf74d9a32", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "1a8c15948d2bc62a3661e95db0b70107c30fa9821ff096a3aaa6aa3bf74d9a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8c15948d2bc62a3661e95db0b70107c30fa9821ff096a3aaa6aa3bf74d9a32", kill_on_drop: false }`
[INFO] [stdout] 1a8c15948d2bc62a3661e95db0b70107c30fa9821ff096a3aaa6aa3bf74d9a32
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620fbf54cf5c519b9e8c3c6b79fa2fc7b870046142f3a45b352c62f68ab6c7e7
[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" "620fbf54cf5c519b9e8c3c6b79fa2fc7b870046142f3a45b352c62f68ab6c7e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "620fbf54cf5c519b9e8c3c6b79fa2fc7b870046142f3a45b352c62f68ab6c7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620fbf54cf5c519b9e8c3c6b79fa2fc7b870046142f3a45b352c62f68ab6c7e7", kill_on_drop: false }`
[INFO] [stdout] 620fbf54cf5c519b9e8c3c6b79fa2fc7b870046142f3a45b352c62f68ab6c7e7
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] ab531b0c07d99012b8f6c381eaaa9a7c113ff5a1a9fd02a022740e984c3ca6c2
[INFO] running `Command { std: "docker" "start" "-a" "ab531b0c07d99012b8f6c381eaaa9a7c113ff5a1a9fd02a022740e984c3ca6c2", kill_on_drop: false }`
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lookup.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stderr]    |              ------------------ the item `libc` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lookup.rs:56:11
[INFO] [stderr]    |
[INFO] [stderr] 56 |       use libc;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stderr]    |              ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lookup.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stderr]    |              ------------------ the item `libc` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lookup.rs:56:11
[INFO] [stderr]    |
[INFO] [stderr] 56 |       use libc;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[cfg(unix)] extern crate libc;
[INFO] [stderr]    |              ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dns_lookup-6abfb29c29fd1894
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests dns-lookup
[INFO] [stdout] test nameinfo::test_getnameinfo ... ok
[INFO] [stdout] test lookup::test_rev_localhost ... ok
[INFO] [stdout] test hostname::test_get_hostname ... ok
[INFO] [stdout] test lookup::test_localhost ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab531b0c07d99012b8f6c381eaaa9a7c113ff5a1a9fd02a022740e984c3ca6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab531b0c07d99012b8f6c381eaaa9a7c113ff5a1a9fd02a022740e984c3ca6c2", kill_on_drop: false }`
[INFO] [stdout] ab531b0c07d99012b8f6c381eaaa9a7c113ff5a1a9fd02a022740e984c3ca6c2