[INFO] fetching crate system_dns 1.0.0... [INFO] testing system_dns-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate system_dns 1.0.0 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate system_dns 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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] Blocking waiting for file lock on package cache [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f1711f020bf2e9f763c6fcbbb1e810626c5cc3287ed2aa3f4445342ec17a0ed [INFO] running `Command { std: "docker" "start" "-a" "3f1711f020bf2e9f763c6fcbbb1e810626c5cc3287ed2aa3f4445342ec17a0ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f1711f020bf2e9f763c6fcbbb1e810626c5cc3287ed2aa3f4445342ec17a0ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f1711f020bf2e9f763c6fcbbb1e810626c5cc3287ed2aa3f4445342ec17a0ed", kill_on_drop: false }` [INFO] [stdout] 3f1711f020bf2e9f763c6fcbbb1e810626c5cc3287ed2aa3f4445342ec17a0ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5efe5df5b0547baf3c2fccc5d707b5696e9e84ca7073b80aee5acea2378bf7cf [INFO] running `Command { std: "docker" "start" "-a" "5efe5df5b0547baf3c2fccc5d707b5696e9e84ca7073b80aee5acea2378bf7cf", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.175 [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 1.80s [INFO] running `Command { std: "docker" "inspect" "5efe5df5b0547baf3c2fccc5d707b5696e9e84ca7073b80aee5acea2378bf7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5efe5df5b0547baf3c2fccc5d707b5696e9e84ca7073b80aee5acea2378bf7cf", kill_on_drop: false }` [INFO] [stdout] 5efe5df5b0547baf3c2fccc5d707b5696e9e84ca7073b80aee5acea2378bf7cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55208b96f4f96c083d14adbce22bfcb7a92abb2d2b177475330fcc265520de64 [INFO] running `Command { std: "docker" "start" "-a" "55208b96f4f96c083d14adbce22bfcb7a92abb2d2b177475330fcc265520de64", 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] [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: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 0.26s [INFO] running `Command { std: "docker" "inspect" "55208b96f4f96c083d14adbce22bfcb7a92abb2d2b177475330fcc265520de64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55208b96f4f96c083d14adbce22bfcb7a92abb2d2b177475330fcc265520de64", kill_on_drop: false }` [INFO] [stdout] 55208b96f4f96c083d14adbce22bfcb7a92abb2d2b177475330fcc265520de64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad5545f054b6d31257361c68627fa6f5ca48e901276cbf5809b4bcc3c0648182 [INFO] running `Command { std: "docker" "start" "-a" "ad5545f054b6d31257361c68627fa6f5ca48e901276cbf5809b4bcc3c0648182", 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 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_dns-fed81109f4112726) [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: 0x5649c19cbb72 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5649c19cbb72 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5649c19cbb72 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5649c19cbb72 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5649c19dbcbf - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5649c19dbcbf - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5649c1999423 - std::io::default_write_fmt::h7d7ad5ed6a883d81 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5649c1999423 - std::io::Write::write_fmt::hc477d9325b345ece [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5649c19a51e2 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5649c19a9c3f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5649c19a9ad1 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5649c1969afe - as core::ops::function::Fn>::call::h33799d04b0b96146 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5649c1969afe - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5649c19aa2de - as core::ops::function::Fn>::call::h5e1b8c652ea49180 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5649c19aa2de - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5649c19aa0aa - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5649c19a5319 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5649c198d68d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5649c19e3f30 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5649c19466fc - system_dns::test_dns_lookup::h0bedbb4e6dd47346 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:177:19 [INFO] [stdout] 20: 0x5649c1946717 - system_dns::test_dns_lookup::{{closure}}::hae48264c403b1fa1 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:170:21 [INFO] [stdout] 21: 0x5649c1946c86 - core::ops::function::FnOnce::call_once::h7344162b6c5cdbdb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 22: 0x5649c19698fb - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 23: 0x5649c19698fb - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18 [INFO] [stdout] 24: 0x5649c197f3a5 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74 [INFO] [stdout] 25: 0x5649c197f3a5 - as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 26: 0x5649c197f3a5 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5649c197f3a5 - std::panicking::catch_unwind::hc3763734156da4af [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5649c197f3a5 - std::panic::catch_unwind::h28038391e867eabc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5649c197f3a5 - test::run_test_in_process::had0273166695a036 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27 [INFO] [stdout] 30: 0x5649c197f3a5 - test::run_test::{{closure}}::h743d09d4bb476605 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43 [INFO] [stdout] 31: 0x5649c1955dc4 - test::run_test::{{closure}}::he950b8f9118d37e2 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41 [INFO] [stdout] 32: 0x5649c1955dc4 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 33: 0x5649c19596aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 34: 0x5649c19596aa - as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 35: 0x5649c19596aa - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 36: 0x5649c19596aa - std::panicking::catch_unwind::h412991d5237de610 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 37: 0x5649c19596aa - std::panic::catch_unwind::ha82b139b3eb5840a [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 38: 0x5649c19596aa - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 39: 0x5649c19596aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 40: 0x5649c199f59f - as core::ops::function::FnOnce>::call_once::h3e049222c99298ac [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 41: 0x5649c199f59f - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 42: 0x79cedfcafaa4 - [INFO] [stdout] 43: 0x79cedfd3ca34 - 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" "ad5545f054b6d31257361c68627fa6f5ca48e901276cbf5809b4bcc3c0648182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad5545f054b6d31257361c68627fa6f5ca48e901276cbf5809b4bcc3c0648182", kill_on_drop: false }` [INFO] [stdout] ad5545f054b6d31257361c68627fa6f5ca48e901276cbf5809b4bcc3c0648182