[INFO] fetching crate skip-list 0.1.3... [INFO] testing skip-list-0.1.3 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate skip-list 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate skip-list 0.1.3 [INFO] finished tweaking crates.io crate skip-list 0.1.3 [INFO] tweaked toml for crates.io crate skip-list 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate skip-list 0.1.3 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 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42ff69560beeb8d84a8d5a435205098fb47dd8f63037f2486408d2dfbf1350ff [INFO] running `Command { std: "docker" "start" "-a" "42ff69560beeb8d84a8d5a435205098fb47dd8f63037f2486408d2dfbf1350ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42ff69560beeb8d84a8d5a435205098fb47dd8f63037f2486408d2dfbf1350ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42ff69560beeb8d84a8d5a435205098fb47dd8f63037f2486408d2dfbf1350ff", kill_on_drop: false }` [INFO] [stdout] 42ff69560beeb8d84a8d5a435205098fb47dd8f63037f2486408d2dfbf1350ff [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6dd286cef16214768f314df3590a1dd44b3f4b3ce97a3550b33fcde13f63819 [INFO] running `Command { std: "docker" "start" "-a" "e6dd286cef16214768f314df3590a1dd44b3f4b3ce97a3550b33fcde13f63819", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling skip-list v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "e6dd286cef16214768f314df3590a1dd44b3f4b3ce97a3550b33fcde13f63819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6dd286cef16214768f314df3590a1dd44b3f4b3ce97a3550b33fcde13f63819", kill_on_drop: false }` [INFO] [stdout] e6dd286cef16214768f314df3590a1dd44b3f4b3ce97a3550b33fcde13f63819 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42879eae5899ea23ca988c898873cd49973d6e257a6df3aff3ad03b98210d4cf [INFO] running `Command { std: "docker" "start" "-a" "42879eae5899ea23ca988c898873cd49973d6e257a6df3aff3ad03b98210d4cf", kill_on_drop: false }` [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling skip-list v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "42879eae5899ea23ca988c898873cd49973d6e257a6df3aff3ad03b98210d4cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42879eae5899ea23ca988c898873cd49973d6e257a6df3aff3ad03b98210d4cf", kill_on_drop: false }` [INFO] [stdout] 42879eae5899ea23ca988c898873cd49973d6e257a6df3aff3ad03b98210d4cf [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 67a5b1fd9abffbc60fb610a235f266d8af24299fbc6f2aab54af90001e3c9339 [INFO] running `Command { std: "docker" "start" "-a" "67a5b1fd9abffbc60fb610a235f266d8af24299fbc6f2aab54af90001e3c9339", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:498:13 [INFO] [stderr] | [INFO] [stderr] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `skip-list` (lib) generated 1 warning [INFO] [stderr] warning: `skip-list` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skip_list-71ff938f79e4a97b) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_of_skip_list ... ok [INFO] [stdout] test tests::test_sl ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests skip_list [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - SkipList::delete (line 312) ... ok [INFO] [stdout] test src/lib.rs - SkipList::new (line 198) ... ok [INFO] [stdout] test src/lib.rs - SkipList::default (line 176) ... ok [INFO] [stdout] test src/lib.rs - SkipList::iter (line 367) ... ok [INFO] [stdout] test src/lib.rs - SkipList::into_iter (line 451) ... ok [INFO] [stdout] test src/lib.rs - SkipList::insert (line 252) ... ok [INFO] [stdout] test src/lib.rs - SkipList::iter_mut (line 403) ... ok [INFO] [stdout] test src/lib.rs - SkipList::get (line 218) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "67a5b1fd9abffbc60fb610a235f266d8af24299fbc6f2aab54af90001e3c9339", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67a5b1fd9abffbc60fb610a235f266d8af24299fbc6f2aab54af90001e3c9339", kill_on_drop: false }` [INFO] [stdout] 67a5b1fd9abffbc60fb610a235f266d8af24299fbc6f2aab54af90001e3c9339