[INFO] fetching crate veb-rs 0.1.1... [INFO] testing veb-rs-0.1.1 against 1.91.0 for beta-1.92-2 [INFO] extracting crate veb-rs 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate veb-rs 0.1.1 [INFO] finished tweaking crates.io crate veb-rs 0.1.1 [INFO] tweaked toml for crates.io crate veb-rs 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate veb-rs 0.1.1 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding clippy v0.0.21 (available: v0.0.302) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clippy v0.0.21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f72a11665a3d1ec664fe7411df9285716691aff3dbdaf5fd4d845951fe74332f [INFO] running `Command { std: "docker" "start" "-a" "f72a11665a3d1ec664fe7411df9285716691aff3dbdaf5fd4d845951fe74332f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f72a11665a3d1ec664fe7411df9285716691aff3dbdaf5fd4d845951fe74332f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f72a11665a3d1ec664fe7411df9285716691aff3dbdaf5fd4d845951fe74332f", kill_on_drop: false }` [INFO] [stdout] f72a11665a3d1ec664fe7411df9285716691aff3dbdaf5fd4d845951fe74332f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1e26ebab0d63c493312ed4c7c6c3db682f8007cd49a7e5a79e4f3f65329cd27 [INFO] running `Command { std: "docker" "start" "-a" "e1e26ebab0d63c493312ed4c7c6c3db682f8007cd49a7e5a79e4f3f65329cd27", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling veb-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [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] 217 | let _ = mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "e1e26ebab0d63c493312ed4c7c6c3db682f8007cd49a7e5a79e4f3f65329cd27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e26ebab0d63c493312ed4c7c6c3db682f8007cd49a7e5a79e4f3f65329cd27", kill_on_drop: false }` [INFO] [stdout] e1e26ebab0d63c493312ed4c7c6c3db682f8007cd49a7e5a79e4f3f65329cd27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cd1105a7ffa85a962ecd2e6c7480c742c6a7460afd6ebf2693418ecdc066ad3 [INFO] running `Command { std: "docker" "start" "-a" "2cd1105a7ffa85a962ecd2e6c7480c742c6a7460afd6ebf2693418ecdc066ad3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [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] 217 | let _ = mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling veb-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | let mut subtree = &mut self.children[idx as usize]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [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] 217 | let _ = mem::replace(subtree, Some(new_tree)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "2cd1105a7ffa85a962ecd2e6c7480c742c6a7460afd6ebf2693418ecdc066ad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cd1105a7ffa85a962ecd2e6c7480c742c6a7460afd6ebf2693418ecdc066ad3", kill_on_drop: false }` [INFO] [stdout] 2cd1105a7ffa85a962ecd2e6c7480c742c6a7460afd6ebf2693418ecdc066ad3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e9228e8a1df472022b60f2c3b90c33f581831c9a46a7f9910288d61c9fc58c5 [INFO] running `Command { std: "docker" "start" "-a" "6e9228e8a1df472022b60f2c3b90c33f581831c9a46a7f9910288d61c9fc58c5", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:254:21 [INFO] [stderr] | [INFO] [stderr] 254 | let mut subtree = &mut self.children[idx as usize]; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:217:21 [INFO] [stderr] | [INFO] [stderr] 217 | mem::replace(subtree, Some(new_tree)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [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] 217 | let _ = mem::replace(subtree, Some(new_tree)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `veb-rs` (lib) generated 2 warnings (run `cargo fix --lib -p veb-rs` to apply 1 suggestion) [INFO] [stderr] warning: `veb-rs` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/veb_rs-35df8f7a2e0ff6f8) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test creation ... ok [INFO] [stdout] test creation_fail ... ok [INFO] [stdout] test delete ... ok [INFO] [stdout] test find_next ... ok [INFO] [stdout] test insertion_and_has ... ok [INFO] [stdout] test is_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests veb_rs [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6e9228e8a1df472022b60f2c3b90c33f581831c9a46a7f9910288d61c9fc58c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e9228e8a1df472022b60f2c3b90c33f581831c9a46a7f9910288d61c9fc58c5", kill_on_drop: false }` [INFO] [stdout] 6e9228e8a1df472022b60f2c3b90c33f581831c9a46a7f9910288d61c9fc58c5