[INFO] fetching crate system_dns 1.0.0... [INFO] testing system_dns-1.0.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate system_dns 1.0.0 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate system_dns 1.0.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 631b67103864ddc4631e3cca34de49a73e641e2f7045ea77326c48f01c31c6ff [INFO] running `Command { std: "docker" "start" "-a" "631b67103864ddc4631e3cca34de49a73e641e2f7045ea77326c48f01c31c6ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "631b67103864ddc4631e3cca34de49a73e641e2f7045ea77326c48f01c31c6ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "631b67103864ddc4631e3cca34de49a73e641e2f7045ea77326c48f01c31c6ff", kill_on_drop: false }` [INFO] [stdout] 631b67103864ddc4631e3cca34de49a73e641e2f7045ea77326c48f01c31c6ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6a5bf3ceeb0f91a6bc1afd8309334588fbc220dd213865e421838ce461a1cb8 [INFO] running `Command { std: "docker" "start" "-a" "e6a5bf3ceeb0f91a6bc1afd8309334588fbc220dd213865e421838ce461a1cb8", 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" "e6a5bf3ceeb0f91a6bc1afd8309334588fbc220dd213865e421838ce461a1cb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6a5bf3ceeb0f91a6bc1afd8309334588fbc220dd213865e421838ce461a1cb8", kill_on_drop: false }` [INFO] [stdout] e6a5bf3ceeb0f91a6bc1afd8309334588fbc220dd213865e421838ce461a1cb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b4b8469d620d7d45bfc17426fc31fe19127f239a65697a7a41543814131abd1 [INFO] running `Command { std: "docker" "start" "-a" "5b4b8469d620d7d45bfc17426fc31fe19127f239a65697a7a41543814131abd1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] [stderr] Compiling system_dns v1.0.0 (/opt/rustwide/workdir) [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 0.20s [INFO] running `Command { std: "docker" "inspect" "5b4b8469d620d7d45bfc17426fc31fe19127f239a65697a7a41543814131abd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b4b8469d620d7d45bfc17426fc31fe19127f239a65697a7a41543814131abd1", kill_on_drop: false }` [INFO] [stdout] 5b4b8469d620d7d45bfc17426fc31fe19127f239a65697a7a41543814131abd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e72d93b245d2e5904e6d7b563c929b0505d84795095915ad3b5bd662e72f09ae [INFO] running `Command { std: "docker" "start" "-a" "e72d93b245d2e5904e6d7b563c929b0505d84795095915ad3b5bd662e72f09ae", 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 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_dns-20ec89d74825d219) [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: 0x603a69066792 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x603a69066792 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x603a69066792 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x603a69066792 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x603a690768df - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x603a690768df - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x603a69033bf1 - std::io::default_write_fmt::h69967ac0ba93195f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x603a69033bf1 - std::io::Write::write_fmt::h8db9396209deaa1c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x603a6903fc52 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x603a690447ff - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x603a69044691 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x603a690051fe - as core::ops::function::Fn>::call::h18383b2e29377420 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x603a690051fe - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x603a69044ebf - as core::ops::function::Fn>::call::h6dba6e441651a0d1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x603a69044ebf - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x603a69044d1a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x603a6903fd89 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x603a690280cd - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x603a6907eb30 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x603a68fe1d3c - system_dns::test_dns_lookup::hd11fedf6e986aecf [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:177:19 [INFO] [stdout] 20: 0x603a68fe1d57 - system_dns::test_dns_lookup::{{closure}}::h865f4c30dbe9f053 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:170:21 [INFO] [stdout] 21: 0x603a68fe2286 - core::ops::function::FnOnce::call_once::h34c9451108cd86ad [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 22: 0x603a69004fbb - core::ops::function::FnOnce::call_once::h70887edf07a630ba [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x603a69004fbb - test::__rust_begin_short_backtrace::h27763c4cbbdb8601 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18 [INFO] [stdout] 24: 0x603a6901ac25 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74 [INFO] [stdout] 25: 0x603a6901ac25 - as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 26: 0x603a6901ac25 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x603a6901ac25 - std::panicking::catch_unwind::hae1ec7bf94407afa [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x603a6901ac25 - std::panic::catch_unwind::h0f4ff4773d84d3cd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x603a6901ac25 - test::run_test_in_process::h03fbc77ae48b3f10 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27 [INFO] [stdout] 30: 0x603a6901ac25 - test::run_test::{{closure}}::h83476a9c453dc4d3 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43 [INFO] [stdout] 31: 0x603a68ff1414 - test::run_test::{{closure}}::h515482ad1e7fe7de [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41 [INFO] [stdout] 32: 0x603a68ff1414 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 33: 0x603a68ff4cda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 34: 0x603a68ff4cda - as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 35: 0x603a68ff4cda - std::panicking::catch_unwind::do_call::hdc29e11311eb7655 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 36: 0x603a68ff4cda - std::panicking::catch_unwind::h9e402d6a96fef41c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 37: 0x603a68ff4cda - std::panic::catch_unwind::h9213c0c54aec70e0 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 38: 0x603a68ff4cda - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 39: 0x603a68ff4cda - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 40: 0x603a6903aeef - as core::ops::function::FnOnce>::call_once::h2044e71c41d3958a [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 41: 0x603a6903aeef - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 42: 0x7b038affeaa4 - [INFO] [stdout] 43: 0x7b038b08ba34 - 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] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "e72d93b245d2e5904e6d7b563c929b0505d84795095915ad3b5bd662e72f09ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e72d93b245d2e5904e6d7b563c929b0505d84795095915ad3b5bd662e72f09ae", kill_on_drop: false }` [INFO] [stdout] e72d93b245d2e5904e6d7b563c929b0505d84795095915ad3b5bd662e72f09ae