[INFO] crate dns-lookup 1.0.3 is already in cache
[INFO] testing dns-lookup-1.0.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate dns-lookup 1.0.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate dns-lookup 1.0.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11d3c9a903c5f021cdcd659a1ddece116becf06154e2ba3efe85ad81d57065ce
[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" "11d3c9a903c5f021cdcd659a1ddece116becf06154e2ba3efe85ad81d57065ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d3c9a903c5f021cdcd659a1ddece116becf06154e2ba3efe85ad81d57065ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d3c9a903c5f021cdcd659a1ddece116becf06154e2ba3efe85ad81d57065ce", kill_on_drop: false }`
[INFO] [stdout] 11d3c9a903c5f021cdcd659a1ddece116becf06154e2ba3efe85ad81d57065ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d6e492dd8ecae82c5cebb56c9cde33a3ae50583dee3e9901e3ebed59338305
[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" "61d6e492dd8ecae82c5cebb56c9cde33a3ae50583dee3e9901e3ebed59338305", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.3.12
[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 1.93s
[INFO] running `Command { std: "docker" "inspect" "61d6e492dd8ecae82c5cebb56c9cde33a3ae50583dee3e9901e3ebed59338305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d6e492dd8ecae82c5cebb56c9cde33a3ae50583dee3e9901e3ebed59338305", kill_on_drop: false }`
[INFO] [stdout] 61d6e492dd8ecae82c5cebb56c9cde33a3ae50583dee3e9901e3ebed59338305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c445e02d73f4b88172649cbbf6689ba21b20d85be531e8f741196acb068491e6
[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" "c445e02d73f4b88172649cbbf6689ba21b20d85be531e8f741196acb068491e6", 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 1.20s
[INFO] running `Command { std: "docker" "inspect" "c445e02d73f4b88172649cbbf6689ba21b20d85be531e8f741196acb068491e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c445e02d73f4b88172649cbbf6689ba21b20d85be531e8f741196acb068491e6", kill_on_drop: false }`
[INFO] [stdout] c445e02d73f4b88172649cbbf6689ba21b20d85be531e8f741196acb068491e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d747ecd84c9c127cfc2489a7b3f512fea037940399d655e0e963e366fc36b1c
[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" "0d747ecd84c9c127cfc2489a7b3f512fea037940399d655e0e963e366fc36b1c", 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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dns_lookup-9880de34646e76ed
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test hostname::test_get_hostname ... ok
[INFO] [stdout] test lookup::test_localhost ... ok
[INFO] [stdout] test lookup::test_rev_localhost ... ok
[INFO] [stdout] test nameinfo::test_getnameinfo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dns-lookup
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... 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" "0d747ecd84c9c127cfc2489a7b3f512fea037940399d655e0e963e366fc36b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d747ecd84c9c127cfc2489a7b3f512fea037940399d655e0e963e366fc36b1c", kill_on_drop: false }`
[INFO] [stdout] 0d747ecd84c9c127cfc2489a7b3f512fea037940399d655e0e963e366fc36b1c