[INFO] fetching crate system_dns 1.0.0...
[INFO] checking system_dns-1.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate system_dns 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate system_dns 1.0.0
[INFO] finished tweaking crates.io crate system_dns 1.0.0
[INFO] tweaked toml for crates.io crate system_dns 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate system_dns 1.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1bc99f32704bff814f1af5e45a1d02808f6fa4e50abaf73de1c610210771bbb
[INFO] running `Command { std: "docker" "start" "-a" "d1bc99f32704bff814f1af5e45a1d02808f6fa4e50abaf73de1c610210771bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bc99f32704bff814f1af5e45a1d02808f6fa4e50abaf73de1c610210771bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bc99f32704bff814f1af5e45a1d02808f6fa4e50abaf73de1c610210771bbb", kill_on_drop: false }`
[INFO] [stdout] d1bc99f32704bff814f1af5e45a1d02808f6fa4e50abaf73de1c610210771bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c947cf52f14f3e879134cf3ccec42d3bb089dfd50cc1d3452d32bc76351eac
[INFO] running `Command { std: "docker" "start" "-a" "22c947cf52f14f3e879134cf3ccec42d3bb089dfd50cc1d3452d32bc76351eac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking system_dns v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         forget(hints);
[INFO] [stdout]     |         ^^^^^^^-----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `addrinfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 107 -         forget(hints);
[INFO] [stdout] 107 +         let _ = hints;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         forget(host);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*const i8`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 108 -         forget(host);
[INFO] [stdout] 108 +         let _ = host;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         forget(list);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 120 -         forget(list);
[INFO] [stdout] 120 +         let _ = list;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         forget(mutptr);
[INFO] [stdout]     |         ^^^^^^^------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*mut i8`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 143 -         forget(mutptr);
[INFO] [stdout] 143 +         let _ = mutptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         forget(tptr);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*const sockaddr`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 144 -         forget(tptr);
[INFO] [stdout] 144 +         let _ = tptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             forget(ptr);
[INFO] [stdout]     |             ^^^^^^^---^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    argument has type `&mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 146 -             forget(ptr);
[INFO] [stdout] 146 +             let _ = ptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     forget(list);
[INFO] [stdout]     |     ^^^^^^^----^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `*mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 165 -     forget(list);
[INFO] [stdout] 165 +     let _ = list;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         forget(hints);
[INFO] [stdout]     |         ^^^^^^^-----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `addrinfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 107 -         forget(hints);
[INFO] [stdout] 107 +         let _ = hints;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         forget(host);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*const i8`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 108 -         forget(host);
[INFO] [stdout] 108 +         let _ = host;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         forget(list);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 120 -         forget(list);
[INFO] [stdout] 120 +         let _ = list;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         forget(mutptr);
[INFO] [stdout]     |         ^^^^^^^------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*mut i8`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 143 -         forget(mutptr);
[INFO] [stdout] 143 +         let _ = mutptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         forget(tptr);
[INFO] [stdout]     |         ^^^^^^^----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `*const sockaddr`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 144 -         forget(tptr);
[INFO] [stdout] 144 +         let _ = tptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             forget(ptr);
[INFO] [stdout]     |             ^^^^^^^---^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    argument has type `&mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 146 -             forget(ptr);
[INFO] [stdout] 146 +             let _ = ptr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     forget(list);
[INFO] [stdout]     |     ^^^^^^^----^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `*mut addrinfo`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 165 -     forget(list);
[INFO] [stdout] 165 +     let _ = list;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "22c947cf52f14f3e879134cf3ccec42d3bb089dfd50cc1d3452d32bc76351eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c947cf52f14f3e879134cf3ccec42d3bb089dfd50cc1d3452d32bc76351eac", kill_on_drop: false }`
[INFO] [stdout] 22c947cf52f14f3e879134cf3ccec42d3bb089dfd50cc1d3452d32bc76351eac