[INFO] cloning repository https://github.com/johnshift/rust-ds [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnshift/rust-ds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshift%2Frust-ds", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshift%2Frust-ds'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 847ffdcbeeec919343eb397e689e60606b0bd8a3 [INFO] testing johnshift/rust-ds against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshift%2Frust-ds" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnshift/rust-ds on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/johnshift/rust-ds [INFO] finished tweaking git repo https://github.com/johnshift/rust-ds [INFO] tweaked toml for git repo https://github.com/johnshift/rust-ds written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/johnshift/rust-ds already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78ed4aa29b81dd50f16619cb3d8fd472491d8b399c7a889fe4d3599b0708644c [INFO] running `Command { std: "docker" "start" "-a" "78ed4aa29b81dd50f16619cb3d8fd472491d8b399c7a889fe4d3599b0708644c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78ed4aa29b81dd50f16619cb3d8fd472491d8b399c7a889fe4d3599b0708644c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78ed4aa29b81dd50f16619cb3d8fd472491d8b399c7a889fe4d3599b0708644c", kill_on_drop: false }` [INFO] [stdout] 78ed4aa29b81dd50f16619cb3d8fd472491d8b399c7a889fe4d3599b0708644c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a0573b32bce606bf2a1a983dea13d54932d1ee7fd0c4cba2d2d443cb4141672 [INFO] running `Command { std: "docker" "start" "-a" "3a0573b32bce606bf2a1a983dea13d54932d1ee7fd0c4cba2d2d443cb4141672", kill_on_drop: false }` [INFO] [stderr] Compiling smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers) [INFO] [stderr] Compiling ref-deref v0.1.0 (/opt/rustwide/workdir/ref-deref) [INFO] [stderr] Compiling fntools v0.1.0 (/opt/rustwide/workdir/fntools) [INFO] [stderr] Compiling array v0.1.0 (/opt/rustwide/workdir/array) [INFO] [stderr] Compiling linked-list v0.1.0 (/opt/rustwide/workdir/linked-list) [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir/iterators) [INFO] [stderr] Compiling trees v0.1.0 (/opt/rustwide/workdir/trees) [INFO] [stderr] Compiling hashmap v0.1.0 (/opt/rustwide/workdir/hashmap) [INFO] [stderr] Compiling stacks-queues v0.1.0 (/opt/rustwide/workdir/stacks-queues) [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> smart-pointers/src/boxx.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `box_demo` [INFO] [stdout] --> smart-pointers/src/boxx.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn box_demo() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConsList` [INFO] [stdout] --> smart-pointers/src/boxx.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | enum ConsList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `box_cons` [INFO] [stdout] --> smart-pointers/src/boxx.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn box_cons() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SomeStruct` [INFO] [stdout] --> smart-pointers/src/cell.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct SomeStruct { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> smart-pointers/src/deref.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | fn new(x: T) -> Custom { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConsList` [INFO] [stdout] --> smart-pointers/src/rc.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum ConsList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> smart-pointers/src/refcell.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | Cons(Rc>, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> smart-pointers/src/refcell.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> iterators/src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyArray` [INFO] [stdout] --> array/src/lib.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyArray { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> array/src/lib.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(data: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> array/src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | fn get(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> array/src/lib.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn push(&mut self, item: T) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> array/src/lib.rs:35:6 [INFO] [stdout] | [INFO] [stdout] 35 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete` [INFO] [stdout] --> array/src/lib.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn delete(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `array_exercise1` [INFO] [stdout] --> array/src/exercise.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn array_exercise1(a1: Vec, a2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> trees/src/binary_tree.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `left` [INFO] [stdout] --> trees/src/binary_tree.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | left: Tree, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> trees/src/binary_tree.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | right: Tree, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> trees/src/binary_tree.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> trees/src/binary_tree.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> trees/src/binary_tree.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn insert(&mut self, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `has` [INFO] [stdout] --> trees/src/binary_tree.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | fn has(&self, value: T) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> ref-deref/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> stacks-queues/src/stacks.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let length = self.elements.len(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Queue` [INFO] [stdout] --> stacks-queues/src/queues.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> stacks-queues/src/queues.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> stacks-queues/src/queues.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `enqueue` [INFO] [stdout] --> stacks-queues/src/queues.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | fn enqueue(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dequeue` [INFO] [stdout] --> stacks-queues/src/queues.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn dequeue(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> stacks-queues/src/stacks.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> stacks-queues/src/stacks.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> stacks-queues/src/stacks.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> stacks-queues/src/stacks.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> stacks-queues/src/stacks.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SinglyLinkedList` [INFO] [stdout] --> linked-list/src/lib.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct SinglyLinkedList { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/lib.rs:29:6 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> linked-list/src/lib.rs:35:6 [INFO] [stdout] | [INFO] [stdout] 35 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> linked-list/src/lib.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> linked-list/src/lib.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | fn tail(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> linked-list/src/lib.rs:61:6 [INFO] [stdout] | [INFO] [stdout] 61 | fn append(&mut self, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/lib.rs:66:6 [INFO] [stdout] | [INFO] [stdout] 66 | fn prepend(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> linked-list/src/lib.rs:73:6 [INFO] [stdout] | [INFO] [stdout] 73 | fn insert(&mut self, index: usize, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> linked-list/src/lib.rs:78:6 [INFO] [stdout] | [INFO] [stdout] 78 | fn remove(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reverse` [INFO] [stdout] --> linked-list/src/lib.rs:83:6 [INFO] [stdout] | [INFO] [stdout] 83 | fn reverse(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | value: i32, // 4 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | next: Link, // 8 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 23 | head: Link, // Link -> 8 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | fn prepend(&mut self, value: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | fn prepend(&self, value: T) -> List { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:31:6 [INFO] [stdout] | [INFO] [stdout] 31 | fn tail(&self) -> List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | fn prepend(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:45:6 [INFO] [stdout] | [INFO] [stdout] 45 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `filter_demo` [INFO] [stdout] --> fntools/src/filter.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn filter_demo(start: usize, end: usize, x: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fold_startend` [INFO] [stdout] --> fntools/src/fold.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn fold_startend(start: i32, end: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `map_squared` [INFO] [stdout] --> fntools/src/map.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn map_squared(a: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> fntools/src/rev.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn reverse(arr: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zip_demo` [INFO] [stdout] --> fntools/src/zip.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn zip_demo(arr1: Vec, arr2: Vec) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zip_merge` [INFO] [stdout] --> fntools/src/zip.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn zip_merge(arr1: Vec, arr2: Vec) -> Vec [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "3a0573b32bce606bf2a1a983dea13d54932d1ee7fd0c4cba2d2d443cb4141672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a0573b32bce606bf2a1a983dea13d54932d1ee7fd0c4cba2d2d443cb4141672", kill_on_drop: false }` [INFO] [stdout] 3a0573b32bce606bf2a1a983dea13d54932d1ee7fd0c4cba2d2d443cb4141672 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 646368db5ee4147d34134f570505f29427c8801c596eecd0baad78f480214bc0 [INFO] running `Command { std: "docker" "start" "-a" "646368db5ee4147d34134f570505f29427c8801c596eecd0baad78f480214bc0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> ref-deref/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> iterators/src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> smart-pointers/src/boxx.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `box_demo` [INFO] [stdout] --> smart-pointers/src/boxx.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn box_demo() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConsList` [INFO] [stdout] --> smart-pointers/src/boxx.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | enum ConsList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `box_cons` [INFO] [stdout] --> smart-pointers/src/boxx.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn box_cons() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SomeStruct` [INFO] [stdout] --> smart-pointers/src/cell.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct SomeStruct { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> smart-pointers/src/deref.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | fn new(x: T) -> Custom { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConsList` [INFO] [stdout] --> smart-pointers/src/rc.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum ConsList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> smart-pointers/src/refcell.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | Cons(Rc>, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> smart-pointers/src/refcell.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> trees/src/binary_tree.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `left` [INFO] [stdout] --> trees/src/binary_tree.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | left: Tree, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> trees/src/binary_tree.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | right: Tree, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> trees/src/binary_tree.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> trees/src/binary_tree.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> trees/src/binary_tree.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> trees/src/binary_tree.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn insert(&mut self, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `has` [INFO] [stdout] --> trees/src/binary_tree.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | fn has(&self, value: T) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> stacks-queues/src/stacks.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let length = self.elements.len(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Queue` [INFO] [stdout] --> stacks-queues/src/queues.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> stacks-queues/src/queues.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> stacks-queues/src/queues.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `enqueue` [INFO] [stdout] --> stacks-queues/src/queues.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | fn enqueue(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dequeue` [INFO] [stdout] --> stacks-queues/src/queues.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn dequeue(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> stacks-queues/src/stacks.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> stacks-queues/src/stacks.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> stacks-queues/src/stacks.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> stacks-queues/src/stacks.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> stacks-queues/src/stacks.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyArray` [INFO] [stdout] --> array/src/lib.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyArray { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> array/src/lib.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(data: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> array/src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | fn get(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> array/src/lib.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | fn push(&mut self, item: T) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> array/src/lib.rs:35:6 [INFO] [stdout] | [INFO] [stdout] 35 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete` [INFO] [stdout] --> array/src/lib.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn delete(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `array_exercise1` [INFO] [stdout] --> array/src/exercise.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn array_exercise1(a1: Vec, a2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `filter_demo` [INFO] [stdout] --> fntools/src/filter.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn filter_demo(start: usize, end: usize, x: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fold_startend` [INFO] [stdout] --> fntools/src/fold.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn fold_startend(start: i32, end: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `map_squared` [INFO] [stdout] --> fntools/src/map.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn map_squared(a: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> fntools/src/rev.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn reverse(arr: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zip_demo` [INFO] [stdout] --> fntools/src/zip.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn zip_demo(arr1: Vec, arr2: Vec) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zip_merge` [INFO] [stdout] --> fntools/src/zip.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn zip_merge(arr1: Vec, arr2: Vec) -> Vec [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SinglyLinkedList` [INFO] [stdout] --> linked-list/src/lib.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct SinglyLinkedList { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/lib.rs:29:6 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> linked-list/src/lib.rs:35:6 [INFO] [stdout] | [INFO] [stdout] 35 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> linked-list/src/lib.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> linked-list/src/lib.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | fn tail(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> linked-list/src/lib.rs:61:6 [INFO] [stdout] | [INFO] [stdout] 61 | fn append(&mut self, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/lib.rs:66:6 [INFO] [stdout] | [INFO] [stdout] 66 | fn prepend(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> linked-list/src/lib.rs:73:6 [INFO] [stdout] | [INFO] [stdout] 73 | fn insert(&mut self, index: usize, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> linked-list/src/lib.rs:78:6 [INFO] [stdout] | [INFO] [stdout] 78 | fn remove(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reverse` [INFO] [stdout] --> linked-list/src/lib.rs:83:6 [INFO] [stdout] | [INFO] [stdout] 83 | fn reverse(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | value: i32, // 4 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | next: Link, // 8 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 23 | head: Link, // Link -> 8 bytes [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | fn prepend(&mut self, value: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> linked-list/src/bad_linked_list.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | fn prepend(&self, value: T) -> List { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:31:6 [INFO] [stdout] | [INFO] [stdout] 31 | fn tail(&self) -> List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> linked-list/src/better_linked_list.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepend` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | fn prepend(&mut self, value: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:40:6 [INFO] [stdout] | [INFO] [stdout] 40 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> linked-list/src/ok_linked_list.rs:45:6 [INFO] [stdout] | [INFO] [stdout] 45 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir/iterators) [INFO] [stderr] Compiling ref-deref v0.1.0 (/opt/rustwide/workdir/ref-deref) [INFO] [stderr] Compiling trees v0.1.0 (/opt/rustwide/workdir/trees) [INFO] [stderr] Compiling array v0.1.0 (/opt/rustwide/workdir/array) [INFO] [stderr] Compiling smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers) [INFO] [stderr] Compiling fntools v0.1.0 (/opt/rustwide/workdir/fntools) [INFO] [stderr] Compiling stacks-queues v0.1.0 (/opt/rustwide/workdir/stacks-queues) [INFO] [stderr] Compiling linked-list v0.1.0 (/opt/rustwide/workdir/linked-list) [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> iterators/src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> stacks-queues/src/stacks.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let length = self.elements.len(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> smart-pointers/src/boxx.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> smart-pointers/src/drop.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let d = Custom { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> smart-pointers/src/rc.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> smart-pointers/src/rc.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConsList` [INFO] [stdout] --> smart-pointers/src/boxx.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | enum ConsList { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `box_cons` [INFO] [stdout] --> smart-pointers/src/boxx.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn box_cons() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `regular_field` [INFO] [stdout] --> smart-pointers/src/cell.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | regular_field: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TODO` [INFO] [stdout] --> ref-deref/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct TODO; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling hashmap v0.1.0 (/opt/rustwide/workdir/hashmap) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 32.77s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/array-aa07a2c9674deb0a) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fntools-dc3607a72ea84571) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashmap-cdd605d8342791e9) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterators-2a11e29c35e9f2fd) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/linked_list-0644e66a17df18b5) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_deref-e82edf1234110525) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/smart_pointers-0a2de35e5212c4ac) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacks_queues-bc6264da3fabcb26) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/trees-b9169abedf6794e8) [INFO] running `Command { std: "docker" "inspect" "646368db5ee4147d34134f570505f29427c8801c596eecd0baad78f480214bc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646368db5ee4147d34134f570505f29427c8801c596eecd0baad78f480214bc0", kill_on_drop: false }` [INFO] [stdout] 646368db5ee4147d34134f570505f29427c8801c596eecd0baad78f480214bc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 21ab74ee2bb634b0579b2675423f59e142a1f84c8742bf670c54f300e57b53e7 [INFO] running `Command { std: "docker" "start" "-a" "21ab74ee2bb634b0579b2675423f59e142a1f84c8742bf670c54f300e57b53e7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: struct is never constructed: `SinglyLinkedList` [INFO] [stderr] --> linked-list/src/lib.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | struct SinglyLinkedList { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> linked-list/src/lib.rs:29:6 [INFO] [stderr] | [INFO] [stderr] 29 | fn new(value: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> linked-list/src/lib.rs:35:6 [INFO] [stderr] | [INFO] [stderr] 35 | fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `head` [INFO] [stderr] --> linked-list/src/lib.rs:42:6 [INFO] [stderr] | [INFO] [stderr] 42 | fn head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `tail` [INFO] [stderr] --> linked-list/src/lib.rs:52:6 [INFO] [stderr] | [INFO] [stderr] 52 | fn tail(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> linked-list/src/lib.rs:61:6 [INFO] [stderr] | [INFO] [stderr] 61 | fn append(&mut self, value: T) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prepend` [INFO] [stderr] --> linked-list/src/lib.rs:66:6 [INFO] [stderr] | [INFO] [stderr] 66 | fn prepend(&mut self, value: T) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert` [INFO] [stderr] --> linked-list/src/lib.rs:73:6 [INFO] [stderr] | [INFO] [stderr] 73 | fn insert(&mut self, index: usize, value: T) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> linked-list/src/lib.rs:78:6 [INFO] [stderr] | [INFO] [stderr] 78 | fn remove(&mut self, index: usize) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `reverse` [INFO] [stderr] --> linked-list/src/lib.rs:83:6 [INFO] [stderr] | [INFO] [stderr] 83 | fn reverse(&mut self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:17:3 [INFO] [stderr] | [INFO] [stderr] 17 | value: i32, // 4 bytes [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `next` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:18:3 [INFO] [stderr] | [INFO] [stderr] 18 | next: Link, // 8 bytes [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `head` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:23:3 [INFO] [stderr] | [INFO] [stderr] 23 | head: Link, // Link -> 8 bytes [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:27:6 [INFO] [stderr] | [INFO] [stderr] 27 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prepend` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:32:6 [INFO] [stderr] | [INFO] [stderr] 32 | fn prepend(&mut self, value: i32) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> linked-list/src/bad_linked_list.rs:51:6 [INFO] [stderr] | [INFO] [stderr] 51 | fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> linked-list/src/better_linked_list.rs:15:6 [INFO] [stderr] | [INFO] [stderr] 15 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prepend` [INFO] [stderr] --> linked-list/src/better_linked_list.rs:21:6 [INFO] [stderr] | [INFO] [stderr] 21 | fn prepend(&self, value: T) -> List { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `tail` [INFO] [stderr] --> linked-list/src/better_linked_list.rs:31:6 [INFO] [stderr] | [INFO] [stderr] 31 | fn tail(&self) -> List { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `head` [INFO] [stderr] --> linked-list/src/better_linked_list.rs:38:6 [INFO] [stderr] | [INFO] [stderr] 38 | fn head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> linked-list/src/ok_linked_list.rs:16:6 [INFO] [stderr] | [INFO] [stderr] 16 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prepend` [INFO] [stderr] --> linked-list/src/ok_linked_list.rs:20:6 [INFO] [stderr] | [INFO] [stderr] 20 | fn prepend(&mut self, value: T) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> linked-list/src/ok_linked_list.rs:40:6 [INFO] [stderr] | [INFO] [stderr] 40 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_mut` [INFO] [stderr] --> linked-list/src/ok_linked_list.rs:45:6 [INFO] [stderr] | [INFO] [stderr] 45 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length` [INFO] [stderr] --> stacks-queues/src/stacks.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let length = self.elements.len(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Queue` [INFO] [stderr] --> stacks-queues/src/queues.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Queue { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> stacks-queues/src/queues.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> stacks-queues/src/queues.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `enqueue` [INFO] [stderr] --> stacks-queues/src/queues.rs:22:6 [INFO] [stderr] | [INFO] [stderr] 22 | fn enqueue(&mut self, value: T) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dequeue` [INFO] [stderr] --> stacks-queues/src/queues.rs:28:6 [INFO] [stderr] | [INFO] [stderr] 28 | fn dequeue(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stack` [INFO] [stderr] --> stacks-queues/src/stacks.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Stack { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> stacks-queues/src/stacks.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> stacks-queues/src/stacks.rs:15:6 [INFO] [stderr] | [INFO] [stderr] 15 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> stacks-queues/src/stacks.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | fn push(&mut self, value: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> stacks-queues/src/stacks.rs:30:6 [INFO] [stderr] | [INFO] [stderr] 30 | fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TODO` [INFO] [stderr] --> ref-deref/src/lib.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | struct TODO; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MyArray` [INFO] [stderr] --> array/src/lib.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | struct MyArray { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> array/src/lib.rs:16:6 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(data: Vec) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stderr] --> array/src/lib.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | fn get(&self, index: usize) -> Option<&T> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> array/src/lib.rs:28:6 [INFO] [stderr] | [INFO] [stderr] 28 | fn push(&mut self, item: T) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> array/src/lib.rs:35:6 [INFO] [stderr] | [INFO] [stderr] 35 | fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete` [INFO] [stderr] --> array/src/lib.rs:40:6 [INFO] [stderr] | [INFO] [stderr] 40 | fn delete(&mut self, index: usize) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `array_exercise1` [INFO] [stderr] --> array/src/exercise.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn array_exercise1(a1: Vec, a2: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `filter_demo` [INFO] [stderr] --> fntools/src/filter.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn filter_demo(start: usize, end: usize, x: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fold_startend` [INFO] [stderr] --> fntools/src/fold.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn fold_startend(start: i32, end: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map_squared` [INFO] [stderr] --> fntools/src/map.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn map_squared(a: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reverse` [INFO] [stderr] --> fntools/src/rev.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn reverse(arr: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `zip_demo` [INFO] [stderr] --> fntools/src/zip.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn zip_demo(arr1: Vec, arr2: Vec) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `zip_merge` [INFO] [stderr] --> fntools/src/zip.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn zip_merge(arr1: Vec, arr2: Vec) -> Vec [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> smart-pointers/src/boxx.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil)))))); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `box_demo` [INFO] [stderr] --> smart-pointers/src/boxx.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn box_demo() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConsList` [INFO] [stderr] --> smart-pointers/src/boxx.rs:20:6 [INFO] [stderr] | [INFO] [stderr] 20 | enum ConsList { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `box_cons` [INFO] [stderr] --> smart-pointers/src/boxx.rs:25:4 [INFO] [stderr] | [INFO] [stderr] 25 | fn box_cons() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SomeStruct` [INFO] [stderr] --> smart-pointers/src/cell.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | struct SomeStruct { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> smart-pointers/src/deref.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | fn new(x: T) -> Custom { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConsList` [INFO] [stderr] --> smart-pointers/src/rc.rs:19:6 [INFO] [stderr] | [INFO] [stderr] 19 | enum ConsList { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> smart-pointers/src/refcell.rs:13:3 [INFO] [stderr] | [INFO] [stderr] 13 | Cons(Rc>, Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> smart-pointers/src/refcell.rs:14:3 [INFO] [stderr] | [INFO] [stderr] 14 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `ConsList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> smart-pointers/src/refcell.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TODO` [INFO] [stderr] --> iterators/src/lib.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | struct TODO; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> trees/src/binary_tree.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> trees/src/binary_tree.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `left` [INFO] [stderr] --> trees/src/binary_tree.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | left: Tree, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> trees/src/binary_tree.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `right` [INFO] [stderr] --> trees/src/binary_tree.rs:7:3 [INFO] [stderr] | [INFO] [stderr] 7 | right: Tree, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> trees/src/binary_tree.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> trees/src/binary_tree.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | fn new(value: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> trees/src/binary_tree.rs:24:6 [INFO] [stderr] | [INFO] [stderr] 24 | fn new(value: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert` [INFO] [stderr] --> trees/src/binary_tree.rs:28:6 [INFO] [stderr] | [INFO] [stderr] 28 | fn insert(&mut self, value: T) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `has` [INFO] [stderr] --> trees/src/binary_tree.rs:42:6 [INFO] [stderr] | [INFO] [stderr] 42 | fn has(&self, value: T) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> smart-pointers/src/drop.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let d = Custom { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> smart-pointers/src/rc.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let b = Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> smart-pointers/src/rc.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConsList` [INFO] [stderr] --> smart-pointers/src/boxx.rs:20:6 [INFO] [stderr] | [INFO] [stderr] 20 | enum ConsList { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `regular_field` [INFO] [stderr] --> smart-pointers/src/cell.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 11 | regular_field: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `linked-list` (lib) generated 24 warnings [INFO] [stderr] warning: `stacks-queues` (lib) generated 11 warnings [INFO] [stderr] warning: `ref-deref` (lib) generated 1 warning [INFO] [stderr] warning: `array` (lib) generated 7 warnings [INFO] [stderr] warning: `fntools` (lib) generated 6 warnings [INFO] [stderr] warning: `smart-pointers` (lib) generated 9 warnings [INFO] [stderr] warning: `iterators` (lib) generated 1 warning [INFO] [stderr] warning: `trees` (lib) generated 7 warnings [INFO] [stderr] warning: `stacks-queues` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `iterators` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `smart-pointers` (lib test) generated 7 warnings (2 duplicates) [INFO] [stderr] warning: `ref-deref` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/array-aa07a2c9674deb0a) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test exercise::tests::array_exercise1_test ... ok [INFO] [stdout] test tests::array_constructor ... ok [INFO] [stdout] test tests::array_delete ... ok [INFO] [stdout] test tests::array_get ... ok [INFO] [stdout] test tests::array_pop ... ok [INFO] [stdout] test tests::array_push ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fntools-dc3607a72ea84571) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test filter::tests::filter_demo_test ... ok [INFO] [stdout] test fold::tests::fold_test ... ok [INFO] [stdout] test map::tests::map_squared_test ... ok [INFO] [stdout] test rev::tests::reverse_demo ... ok [INFO] [stdout] test zip::tests::zip_demo_print ... ok [INFO] [stdout] test zip::tests::zip_merge_test ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashmap-cdd605d8342791e9) [INFO] [stdout] test rev::tests::reverse_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterators-2a11e29c35e9f2fd) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test exercise::tests::test_e1_hashmap1 ... ok [INFO] [stdout] test exercise::tests::test_e1_naive ... ok [INFO] [stdout] test tests::hashmap_demo ... ok [INFO] [stdout] test exercise::tests::test_e1_hashmap2 ... ok [INFO] [stdout] test exercise::tests::test_e1_manual_array ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linked_list-0644e66a17df18b5) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test better_linked_list::test::better_linked_list_iter ... ok [INFO] [stdout] test bad_linked_list::tests::test_bad_linked_list_pop_push ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_iter ... ok [INFO] [stdout] test better_linked_list::test::better_linked_list_demo ... ok [INFO] [stdout] test bad_linked_list::tests::test_bad_linked_list_sizes ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_into_iter ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_iter_mut ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_sizes ... ok [INFO] [stdout] test tests::singly_linked_list_basics ... ok [INFO] [stdout] test tests::singly_linked_list_reverse ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_pop_push ... ok [INFO] [stdout] test ok_linked_list::tests::test_ok_linked_list_peek ... ok [INFO] [stdout] test tests::singly_linked_list_insert - should panic ... ok [INFO] [stdout] test tests::singly_linked_list_remove - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_deref-e82edf1234110525) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smart_pointers-0a2de35e5212c4ac) [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test cell::tests::cell_mutability_in_immutable_struct ... ok [INFO] [stdout] test refcell::tests::refcell_demo ... ok [INFO] [stdout] test boxx::tests::box_demo_test ... ok [INFO] [stdout] test drop::tests::drop_demo ... ok [INFO] [stdout] test rc::tests::rc_demo ... ok [INFO] [stdout] test deref::tests::deref_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacks_queues-bc6264da3fabcb26) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test queues::tests::dequeue_basics ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trees-b9169abedf6794e8) [INFO] [stdout] test stacks::tests::stack_basics ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test binary_tree::tests::bst_has ... ok [INFO] [stdout] test binary_tree::tests::bst_insert ... ok [INFO] [stderr] Doc-tests array [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] [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 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests fntools [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] [stderr] Doc-tests hashmap [INFO] [stderr] Doc-tests iterators [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] [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] [stderr] Doc-tests linked-list [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] [stderr] Doc-tests ref-deref [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] [stderr] Doc-tests smart-pointers [INFO] [stderr] Doc-tests stacks-queues [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] [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] [stderr] Doc-tests trees [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" "21ab74ee2bb634b0579b2675423f59e142a1f84c8742bf670c54f300e57b53e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ab74ee2bb634b0579b2675423f59e142a1f84c8742bf670c54f300e57b53e7", kill_on_drop: false }` [INFO] [stdout] 21ab74ee2bb634b0579b2675423f59e142a1f84c8742bf670c54f300e57b53e7