Nov 03 23:13:26.125 INFO checking shiroyasha/rust-too-many-lists against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 23:13:26.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 23:13:26.523 INFO blam! 44f77912d72b0a9847fb8e5314a092a77c272f037d36113ae92e6a09dcc6fe98
Nov 03 23:13:26.529 INFO running `"docker" "start" "-a" "44f77912d72b0a9847fb8e5314a092a77c272f037d36113ae92e6a09dcc6fe98"`
Nov 03 23:13:28.080 INFO kablam! usermod: no changes
Nov 03 23:13:28.143 INFO kablam!     Checking rust-too-many-lists v0.1.0 (/source)
Nov 03 23:13:28.543 INFO kablam! warning: struct is never constructed: `List`
Nov 03 23:13:28.543 INFO kablam!  --> src/first.rs:3:1
Nov 03 23:13:28.543 INFO kablam!   |
Nov 03 23:13:28.543 INFO kablam! 3 | pub struct List {
Nov 03 23:13:28.543 INFO kablam!   | ^^^^^^^^^^^^^^^
Nov 03 23:13:28.543 INFO kablam!   |
Nov 03 23:13:28.543 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 23:13:28.543 INFO kablam! 
Nov 03 23:13:28.543 INFO kablam! warning: variant is never constructed: `More`
Nov 03 23:13:28.543 INFO kablam!  --> src/first.rs:9:5
Nov 03 23:13:28.543 INFO kablam!   |
Nov 03 23:13:28.543 INFO kablam! 9 |     More(Box<Node>),
Nov 03 23:13:28.543 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 03 23:13:28.543 INFO kablam! 
Nov 03 23:13:28.543 INFO kablam! warning: field is never used: `elem`
Nov 03 23:13:28.543 INFO kablam!   --> src/first.rs:13:5
Nov 03 23:13:28.543 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 13 |     elem: i32,
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `new`
Nov 03 23:13:28.544 INFO kablam!   --> src/first.rs:18:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 18 |     pub fn new() -> Self {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `push`
Nov 03 23:13:28.544 INFO kablam!   --> src/first.rs:22:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 22 |     pub fn push(&mut self, elem: i32) {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `pop`
Nov 03 23:13:28.544 INFO kablam!   --> src/first.rs:31:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 31 |     pub fn pop(&mut self) -> Option<i32> {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: type alias is never used: `Link`
Nov 03 23:13:28.544 INFO kablam!  --> src/second.rs:7:1
Nov 03 23:13:28.544 INFO kablam!   |
Nov 03 23:13:28.544 INFO kablam! 7 | type Link<T> = Option<Box<Node<T>>>;
Nov 03 23:13:28.544 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: struct is never constructed: `Node`
Nov 03 23:13:28.544 INFO kablam!  --> src/second.rs:9:1
Nov 03 23:13:28.544 INFO kablam!   |
Nov 03 23:13:28.544 INFO kablam! 9 | struct Node<T> {
Nov 03 23:13:28.544 INFO kablam!   | ^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `new`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:15:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 15 |     pub fn new() -> Self {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `push`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:19:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 19 |     pub fn push(&mut self, elem: T) {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `peek`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:37:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 37 |     pub fn peek(&self) -> Option<&T> {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `peek_mut`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:43:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 43 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: struct is never constructed: `IntoIter`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:60:1
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 60 | pub struct IntoIter<T>(List<T>);
Nov 03 23:13:28.544 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `into_iter`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:63:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 63 |     pub fn into_iter(self) -> IntoIter<T> {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: struct is never constructed: `Iter`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:76:1
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 76 | pub struct Iter<'a, T: 'a> {
Nov 03 23:13:28.544 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: method is never used: `iter`
Nov 03 23:13:28.544 INFO kablam!   --> src/second.rs:81:5
Nov 03 23:13:28.544 INFO kablam!    |
Nov 03 23:13:28.544 INFO kablam! 81 |     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
Nov 03 23:13:28.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.544 INFO kablam! 
Nov 03 23:13:28.544 INFO kablam! warning: struct is never constructed: `Tree`
Nov 03 23:13:28.544 INFO kablam!  --> src/treeee.rs:1:1
Nov 03 23:13:28.545 INFO kablam!   |
Nov 03 23:13:28.545 INFO kablam! 1 | pub struct Tree<'a> {
Nov 03 23:13:28.545 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: type alias is never used: `Link`
Nov 03 23:13:28.545 INFO kablam!  --> src/treeee.rs:5:1
Nov 03 23:13:28.545 INFO kablam!   |
Nov 03 23:13:28.545 INFO kablam! 5 | type Link<'a> = Option<Box<Node<'a>>>;
Nov 03 23:13:28.545 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: struct is never constructed: `Node`
Nov 03 23:13:28.545 INFO kablam!  --> src/treeee.rs:7:1
Nov 03 23:13:28.545 INFO kablam!   |
Nov 03 23:13:28.545 INFO kablam! 7 | struct Node<'a> {
Nov 03 23:13:28.545 INFO kablam!   | ^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: method is never used: `new`
Nov 03 23:13:28.545 INFO kablam!   --> src/treeee.rs:14:5
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 14 |     pub fn new() -> Self {
Nov 03 23:13:28.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: method is never used: `add`
Nov 03 23:13:28.545 INFO kablam!   --> src/treeee.rs:18:5
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 18 |     pub fn add(&mut self, value: &'a str) {
Nov 03 23:13:28.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: method is never used: `display`
Nov 03 23:13:28.545 INFO kablam!   --> src/treeee.rs:31:5
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 31 |     pub fn display(&self) {
Nov 03 23:13:28.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: method is never used: `insert`
Nov 03 23:13:28.545 INFO kablam!   --> src/treeee.rs:35:5
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 35 |     fn insert(head: &mut Node<'a>, new_node : Box<Node<'a>>) {
Nov 03 23:13:28.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: method is never used: `display_node`
Nov 03 23:13:28.545 INFO kablam!   --> src/treeee.rs:49:5
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 49 |     fn display_node(node : &Node, depth: i32) {
Nov 03 23:13:28.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: struct is never constructed: `Collection`
Nov 03 23:13:28.545 INFO kablam!  --> src/four.rs:3:1
Nov 03 23:13:28.545 INFO kablam!   |
Nov 03 23:13:28.545 INFO kablam! 3 | struct Collection<'a> {
Nov 03 23:13:28.545 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: struct is never constructed: `Elem`
Nov 03 23:13:28.545 INFO kablam!  --> src/four.rs:8:1
Nov 03 23:13:28.545 INFO kablam!   |
Nov 03 23:13:28.545 INFO kablam! 8 | struct Elem<'a> {
Nov 03 23:13:28.545 INFO kablam!   | ^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: function is never used: `insert`
Nov 03 23:13:28.545 INFO kablam!   --> src/four.rs:12:1
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 12 | fn insert<'a>(c : &mut Collection<'a>, e : Box<Elem<'a>>) {
Nov 03 23:13:28.545 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.545 INFO kablam! warning: function is never used: `a`
Nov 03 23:13:28.545 INFO kablam!   --> src/four.rs:17:1
Nov 03 23:13:28.545 INFO kablam!    |
Nov 03 23:13:28.545 INFO kablam! 17 | fn a<'a>() -> Collection<'a> {
Nov 03 23:13:28.545 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:13:28.545 INFO kablam! 
Nov 03 23:13:28.803 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 03 23:13:28.806 INFO kablam! su: No module specific data is present
Nov 03 23:13:29.367 INFO running `"docker" "rm" "-f" "44f77912d72b0a9847fb8e5314a092a77c272f037d36113ae92e6a09dcc6fe98"`
Nov 03 23:13:29.649 INFO blam! 44f77912d72b0a9847fb8e5314a092a77c272f037d36113ae92e6a09dcc6fe98