[INFO] fetching crate system_dns 1.0.0... [INFO] testing system_dns-1.0.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate system_dns 1.0.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate system_dns 1.0.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+beta-2025-10-28" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a2ad55668de3ade2ebfc022d3163f1a1e81679913288263e1a02190a7104c38 [INFO] running `Command { std: "docker" "start" "-a" "7a2ad55668de3ade2ebfc022d3163f1a1e81679913288263e1a02190a7104c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a2ad55668de3ade2ebfc022d3163f1a1e81679913288263e1a02190a7104c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a2ad55668de3ade2ebfc022d3163f1a1e81679913288263e1a02190a7104c38", kill_on_drop: false }` [INFO] [stdout] 7a2ad55668de3ade2ebfc022d3163f1a1e81679913288263e1a02190a7104c38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 707afc2f958ded1bab9c7a5503b67837bac54eeaf874828f1ff3f65e542983ae [INFO] running `Command { std: "docker" "start" "-a" "707afc2f958ded1bab9c7a5503b67837bac54eeaf874828f1ff3f65e542983ae", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling 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: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | transmute(x) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stdout] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stdout] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stdout] = help: for more information about transmute, see [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 135 - transmute(x) [INFO] [stdout] 135 + &mut *std::ptr::with_exposed_provenance_mut::(x) [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 0.22s [INFO] running `Command { std: "docker" "inspect" "707afc2f958ded1bab9c7a5503b67837bac54eeaf874828f1ff3f65e542983ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707afc2f958ded1bab9c7a5503b67837bac54eeaf874828f1ff3f65e542983ae", kill_on_drop: false }` [INFO] [stdout] 707afc2f958ded1bab9c7a5503b67837bac54eeaf874828f1ff3f65e542983ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4961b5f3482dd6bdcdc1e6df3d6c0014c28e7ac53142cae07095bc3df7f81787 [INFO] running `Command { std: "docker" "start" "-a" "4961b5f3482dd6bdcdc1e6df3d6c0014c28e7ac53142cae07095bc3df7f81787", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling 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: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | transmute(x) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stdout] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stdout] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stdout] = help: for more information about transmute, see [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 135 - transmute(x) [INFO] [stdout] 135 + &mut *std::ptr::with_exposed_provenance_mut::(x) [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: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stdout] --> src/lib.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | transmute(x) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stdout] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stdout] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stdout] = help: for more information about transmute, see [INFO] [stdout] = help: for more information about exposed provenance, see [INFO] [stdout] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stdout] | [INFO] [stdout] 135 - transmute(x) [INFO] [stdout] 135 + &mut *std::ptr::with_exposed_provenance_mut::(x) [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 `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "4961b5f3482dd6bdcdc1e6df3d6c0014c28e7ac53142cae07095bc3df7f81787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4961b5f3482dd6bdcdc1e6df3d6c0014c28e7ac53142cae07095bc3df7f81787", kill_on_drop: false }` [INFO] [stdout] 4961b5f3482dd6bdcdc1e6df3d6c0014c28e7ac53142cae07095bc3df7f81787 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e36f1b0d1e3691a436adf6ccd189db70f6afa7c9ce8f6e7d863d7f5325cc9d55 [INFO] running `Command { std: "docker" "start" "-a" "e36f1b0d1e3691a436adf6ccd189db70f6afa7c9ce8f6e7d863d7f5325cc9d55", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | forget(hints); [INFO] [stderr] | ^^^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `addrinfo` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(forgetting_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 107 - forget(hints); [INFO] [stderr] 107 + let _ = hints; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | forget(host); [INFO] [stderr] | ^^^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*const i8` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 108 - forget(host); [INFO] [stderr] 108 + let _ = host; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | forget(list); [INFO] [stderr] | ^^^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*mut addrinfo` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 120 - forget(list); [INFO] [stderr] 120 + let _ = list; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance [INFO] [stderr] --> src/lib.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | transmute(x) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is dangerous because dereferencing the resulting pointer is undefined behavior [INFO] [stderr] = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance [INFO] [stderr] = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut` [INFO] [stderr] = help: for more information about transmute, see [INFO] [stderr] = help: for more information about exposed provenance, see [INFO] [stderr] = note: `#[warn(integer_to_ptr_transmutes)]` on by default [INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance [INFO] [stderr] | [INFO] [stderr] 135 - transmute(x) [INFO] [stderr] 135 + &mut *std::ptr::with_exposed_provenance_mut::(x) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 143 | forget(mutptr); [INFO] [stderr] | ^^^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*mut i8` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 143 - forget(mutptr); [INFO] [stderr] 143 + let _ = mutptr; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:144:9 [INFO] [stderr] | [INFO] [stderr] 144 | forget(tptr); [INFO] [stderr] | ^^^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*const sockaddr` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 144 - forget(tptr); [INFO] [stderr] 144 + let _ = tptr; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/lib.rs:146:13 [INFO] [stderr] | [INFO] [stderr] 146 | forget(ptr); [INFO] [stderr] | ^^^^^^^---^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut addrinfo` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(forgetting_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 146 - forget(ptr); [INFO] [stderr] 146 + let _ = ptr; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | forget(list); [INFO] [stderr] | ^^^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*mut addrinfo` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 165 - forget(list); [INFO] [stderr] 165 + let _ = list; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `system_dns` (lib) generated 8 warnings (run `cargo fix --lib -p system_dns` to apply 1 suggestion) [INFO] [stderr] warning: `system_dns` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_dns-32f9a9914187ddfc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_dns_lookup ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_dns_lookup stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'test_dns_lookup' (25) panicked at src/lib.rs:177:19: [INFO] [stdout] Error occured looking up google.com "Temporary failure in name resolution" [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5d00965321c2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5d00965321c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5d00965321c2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5d00965321c2 - ::fmt::h47627beda0767f4c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5d009654218f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5d009654218f - core::fmt::write::h8a63064c67176fd8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5d00964ffa93 - std::io::default_write_fmt::hd4797e693c0ec256 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5d00964ffa93 - std::io::Write::write_fmt::h791e240ad2720c99 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5d009650ba22 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5d009651051f - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5d00965103b1 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5d00964d2b2e - as core::ops::function::Fn>::call::h3f5a16438cee2b4e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9 [INFO] [stdout] 12: 0x5d00964d2b2e - test::test_main_with_exit_callback::{{closure}}::h9214498cef9aafc5 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5d0096510b2f - as core::ops::function::Fn>::call::hdb18da3e68df7464 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9 [INFO] [stdout] 14: 0x5d0096510b2f - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5d009651098a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5d009650bb59 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5d00964f423d - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5d009654a3a0 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5d00964afe34 - system_dns::test_dns_lookup::hfac239adca775c4b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:177:19 [INFO] [stdout] 20: 0x5d00964afe57 - system_dns::test_dns_lookup::{{closure}}::hd9dba9f9559d2a65 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:170:21 [INFO] [stdout] 21: 0x5d00964b0406 - core::ops::function::FnOnce::call_once::habed15f0f4ebcf67 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 22: 0x5d00964d297b - core::ops::function::FnOnce::call_once::h43f43c5185cf39c2 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5d00964d297b - test::__rust_begin_short_backtrace::hc4fa634eb2764bdc [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:663:18 [INFO] [stdout] 24: 0x5d00964e6f98 - test::run_test_in_process::{{closure}}::h9f4b799a5211b72a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:74 [INFO] [stdout] 25: 0x5d00964e6f98 - as core::ops::function::FnOnce<()>>::call_once::ha572bf7dc5230a8f [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 26: 0x5d00964e6f98 - std::panicking::catch_unwind::do_call::hfd6ff51f25dd177b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5d00964e6f98 - std::panicking::catch_unwind::h8609b446221def5f [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5d00964e6f98 - std::panic::catch_unwind::h362f73cc48531e26 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5d00964e6f98 - test::run_test_in_process::hf52fd21d696aae67 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:27 [INFO] [stdout] 30: 0x5d00964e6f98 - test::run_test::{{closure}}::h7e780b8354e6d007 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:607:43 [INFO] [stdout] 31: 0x5d00964bfd64 - test::run_test::{{closure}}::hdc2695f2276aad3e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:637:41 [INFO] [stdout] 32: 0x5d00964bfd64 - std::sys::backtrace::__rust_begin_short_backtrace::h2555b2113ed90fc9 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 33: 0x5d00964c369a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h99800d480987dfb6 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:562:17 [INFO] [stdout] 34: 0x5d00964c369a - as core::ops::function::FnOnce<()>>::call_once::hbbb69b5294b2221b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 35: 0x5d00964c369a - std::panicking::catch_unwind::do_call::h495689350c27df20 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 36: 0x5d00964c369a - std::panicking::catch_unwind::hf22437c51d1b3740 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 37: 0x5d00964c369a - std::panic::catch_unwind::habda1a57de8231f8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 38: 0x5d00964c369a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5833d8dda8c7e80b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:560:30 [INFO] [stdout] 39: 0x5d00964c369a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2910283a5058402 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 40: 0x5d0096506e4f - as core::ops::function::FnOnce>::call_once::he4d85cb537521972 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2005:9 [INFO] [stdout] 41: 0x5d0096506e4f - std::sys::thread::unix::Thread::new::thread_start::hbaf586a9e50a98cd [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 42: 0x74e4f9d10aa4 - [INFO] [stdout] 43: 0x74e4f9d9da64 - clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_dns_lookup [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e36f1b0d1e3691a436adf6ccd189db70f6afa7c9ce8f6e7d863d7f5325cc9d55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e36f1b0d1e3691a436adf6ccd189db70f6afa7c9ce8f6e7d863d7f5325cc9d55", kill_on_drop: false }` [INFO] [stdout] e36f1b0d1e3691a436adf6ccd189db70f6afa7c9ce8f6e7d863d7f5325cc9d55