[INFO] cloning repository https://github.com/kazukiyoshida/data-structures-and-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazukiyoshida/data-structures-and-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fdata-structures-and-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fdata-structures-and-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a413b29d5c5a08ac8a1781f77128e9e42afc8d7 [INFO] testing kazukiyoshida/data-structures-and-algorithms against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazukiyoshida%2Fdata-structures-and-algorithms" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kazukiyoshida/data-structures-and-algorithms on toolchain nightly-2025-01-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kazukiyoshida/data-structures-and-algorithms [INFO] finished tweaking git repo https://github.com/kazukiyoshida/data-structures-and-algorithms [INFO] tweaked toml for git repo https://github.com/kazukiyoshida/data-structures-and-algorithms written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kazukiyoshida/data-structures-and-algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5832d54a1de4ecf58b2199c60b67b6585b65828356c78a58cd77bcf8aeec412 [INFO] running `Command { std: "docker" "start" "-a" "e5832d54a1de4ecf58b2199c60b67b6585b65828356c78a58cd77bcf8aeec412", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5832d54a1de4ecf58b2199c60b67b6585b65828356c78a58cd77bcf8aeec412", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5832d54a1de4ecf58b2199c60b67b6585b65828356c78a58cd77bcf8aeec412", kill_on_drop: false }` [INFO] [stdout] e5832d54a1de4ecf58b2199c60b67b6585b65828356c78a58cd77bcf8aeec412 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ded2075107eb61d071d0eceec917cd08a553b5789c48adfd8169ba119e633c8 [INFO] running `Command { std: "docker" "start" "-a" "1ded2075107eb61d071d0eceec917cd08a553b5789c48adfd8169ba119e633c8", kill_on_drop: false }` [INFO] [stderr] Compiling data-structures-and-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/skip_list.rs:40:30 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/skip_list.rs:40:43 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/linked_list.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/linked_list.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 30 | fn new(v: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SingleLink` is never used [INFO] [stdout] --> src/linked_list.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | type SingleLink = Option>>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TransactionLog` is never constructed [INFO] [stdout] --> src/linked_list.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct TransactionLog { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used [INFO] [stdout] --> src/linked_list.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl TransactionLog { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 48 | pub fn new_empty() -> TransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn append(&mut self, v: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/doubly_linked_list.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 22 | fn new(v: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed [INFO] [stdout] --> src/doubly_linked_list.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `append`, `pop`, `iter`, and `back_iter` are never used [INFO] [stdout] --> src/doubly_linked_list.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl BetterTransactionLog { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 41 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn append(&mut self, v: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn iter(&self) -> ListIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn back_iter(self) -> ListIterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/doubly_linked_list.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 104 | impl ListIterator { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 105 | fn new(start: Link) -> ListIterator { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/skip_list.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/skip_list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 12 | fn new(offset: u64, command: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/skip_list.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipList` is never constructed [INFO] [stdout] --> src/skip_list.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct SkipList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty` and `append` are never used [INFO] [stdout] --> src/skip_list.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl SkipList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 31 | pub fn new_empty() -> SkipList { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "1ded2075107eb61d071d0eceec917cd08a553b5789c48adfd8169ba119e633c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ded2075107eb61d071d0eceec917cd08a553b5789c48adfd8169ba119e633c8", kill_on_drop: false }` [INFO] [stdout] 1ded2075107eb61d071d0eceec917cd08a553b5789c48adfd8169ba119e633c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d01dd4f8618d49a647a6f347f65468526806c07906149ffb6d6bc646dedec7bc [INFO] running `Command { std: "docker" "start" "-a" "d01dd4f8618d49a647a6f347f65468526806c07906149ffb6d6bc646dedec7bc", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/skip_list.rs:40:30 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/skip_list.rs:40:43 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/linked_list.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/linked_list.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 30 | fn new(v: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SingleLink` is never used [INFO] [stdout] --> src/linked_list.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | type SingleLink = Option>>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TransactionLog` is never constructed [INFO] [stdout] --> src/linked_list.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct TransactionLog { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used [INFO] [stdout] --> src/linked_list.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl TransactionLog { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 48 | pub fn new_empty() -> TransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn append(&mut self, v: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/doubly_linked_list.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 22 | fn new(v: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed [INFO] [stdout] --> src/doubly_linked_list.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `append`, `pop`, `iter`, and `back_iter` are never used [INFO] [stdout] --> src/doubly_linked_list.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl BetterTransactionLog { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 41 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn append(&mut self, v: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn iter(&self) -> ListIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn back_iter(self) -> ListIterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling data-structures-and-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/doubly_linked_list.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 104 | impl ListIterator { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 105 | fn new(start: Link) -> ListIterator { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/skip_list.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/skip_list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 12 | fn new(offset: u64, command: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/skip_list.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipList` is never constructed [INFO] [stdout] --> src/skip_list.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct SkipList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty` and `append` are never used [INFO] [stdout] --> src/skip_list.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl SkipList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 31 | pub fn new_empty() -> SkipList { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/skip_list.rs:40:30 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/skip_list.rs:40:43 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop`, `iter`, and `back_iter` are never used [INFO] [stdout] --> src/doubly_linked_list.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl BetterTransactionLog { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn iter(&self) -> ListIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn back_iter(self) -> ListIterator { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/skip_list.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/skip_list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 12 | fn new(offset: u64, command: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/skip_list.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipList` is never constructed [INFO] [stdout] --> src/skip_list.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct SkipList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty` and `append` are never used [INFO] [stdout] --> src/skip_list.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl SkipList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 31 | pub fn new_empty() -> SkipList { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "d01dd4f8618d49a647a6f347f65468526806c07906149ffb6d6bc646dedec7bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d01dd4f8618d49a647a6f347f65468526806c07906149ffb6d6bc646dedec7bc", kill_on_drop: false }` [INFO] [stdout] d01dd4f8618d49a647a6f347f65468526806c07906149ffb6d6bc646dedec7bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2d9263447271cfc76340220f4f7cd439270060ef2ef8fb26d4fbd6477bf43bda [INFO] running `Command { std: "docker" "start" "-a" "2d9263447271cfc76340220f4f7cd439270060ef2ef8fb26d4fbd6477bf43bda", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `offset` [INFO] [stderr] --> src/skip_list.rs:40:30 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/skip_list.rs:40:43 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/linked_list.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/linked_list.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 29 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 30 | fn new(v: String) -> Rc> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias `SingleLink` is never used [INFO] [stderr] --> src/linked_list.rs:38:6 [INFO] [stderr] | [INFO] [stderr] 38 | type SingleLink = Option>>; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `TransactionLog` is never constructed [INFO] [stderr] --> src/linked_list.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | struct TransactionLog { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new_empty`, `append`, and `pop` are never used [INFO] [stderr] --> src/linked_list.rs:48:12 [INFO] [stderr] | [INFO] [stderr] 47 | impl TransactionLog { [INFO] [stderr] | ------------------- associated items in this implementation [INFO] [stderr] 48 | pub fn new_empty() -> TransactionLog { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 56 | pub fn append(&mut self, v: String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 66 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/doubly_linked_list.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 21 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 22 | fn new(v: String) -> Rc> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `BetterTransactionLog` is never constructed [INFO] [stderr] --> src/doubly_linked_list.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | struct BetterTransactionLog { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new_empty`, `append`, `pop`, `iter`, and `back_iter` are never used [INFO] [stderr] --> src/doubly_linked_list.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 40 | impl BetterTransactionLog { [INFO] [stderr] | ------------------------- associated items in this implementation [INFO] [stderr] 41 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 49 | pub fn append(&mut self, v: String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 63 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 82 | pub fn iter(&self) -> ListIterator { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 86 | pub fn back_iter(self) -> ListIterator { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/doubly_linked_list.rs:105:8 [INFO] [stderr] | [INFO] [stderr] 104 | impl ListIterator { [INFO] [stderr] | ----------------- associated function in this implementation [INFO] [stderr] 105 | fn new(start: Link) -> ListIterator { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/skip_list.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/skip_list.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 11 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 12 | fn new(offset: u64, command: String) -> Rc> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias `Link` is never used [INFO] [stderr] --> src/skip_list.rs:21:6 [INFO] [stderr] | [INFO] [stderr] 21 | type Link = Option>>; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `SkipList` is never constructed [INFO] [stderr] --> src/skip_list.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | struct SkipList { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new_empty` and `append` are never used [INFO] [stderr] --> src/skip_list.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 30 | impl SkipList { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] 31 | pub fn new_empty() -> SkipList { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 40 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `data-structures-and-algorithms` (lib) generated 16 warnings [INFO] [stderr] warning: methods `pop`, `iter`, and `back_iter` are never used [INFO] [stderr] --> src/doubly_linked_list.rs:63:12 [INFO] [stderr] | [INFO] [stderr] 40 | impl BetterTransactionLog { [INFO] [stderr] | ------------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 63 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 82 | pub fn iter(&self) -> ListIterator { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 86 | pub fn back_iter(self) -> ListIterator { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `data-structures-and-algorithms` (lib test) generated 8 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/data_structures_and_algorithms-cadc74073f75ba23) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test doubly_linked_list::test_doubly_linked_list ... ok [INFO] [stdout] test linked_list::test_linked_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests data_structures_and_algorithms [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" "2d9263447271cfc76340220f4f7cd439270060ef2ef8fb26d4fbd6477bf43bda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d9263447271cfc76340220f4f7cd439270060ef2ef8fb26d4fbd6477bf43bda", kill_on_drop: false }` [INFO] [stdout] 2d9263447271cfc76340220f4f7cd439270060ef2ef8fb26d4fbd6477bf43bda