Nov 29 18:19:46.239 INFO checking shiroyasha/rust-too-many-lists against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 29 18:19:46.239 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 18:19:46.688 INFO [stdout] a8f90177d62fc103dd27f90e9e86d04cd647f956d037ee756e3f801a9a00f143 Nov 29 18:19:46.694 INFO running `"docker" "start" "-a" "a8f90177d62fc103dd27f90e9e86d04cd647f956d037ee756e3f801a9a00f143"` Nov 29 18:19:47.972 INFO [stderr] usermod: no changes Nov 29 18:19:48.047 INFO [stderr] Checking rust-too-many-lists v0.1.0 (/source) Nov 29 18:19:48.491 INFO [stderr] warning: struct is never constructed: `List` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:3:1 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 3 | pub struct List { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: variant is never constructed: `More` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:9:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 9 | More(Box), Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: field is never used: `elem` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:13:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 13 | elem: i32, Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `new` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:18:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 18 | pub fn new() -> Self { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `push` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:22:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 22 | pub fn push(&mut self, elem: i32) { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `pop` Nov 29 18:19:48.492 INFO [stderr] --> src/first.rs:31:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 31 | pub fn pop(&mut self) -> Option { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: type alias is never used: `Link` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:7:1 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 7 | type Link = Option>>; Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: struct is never constructed: `Node` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:9:1 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 9 | struct Node { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `new` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:15:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 15 | pub fn new() -> Self { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `push` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:19:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 19 | pub fn push(&mut self, elem: T) { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `peek` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:37:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 37 | pub fn peek(&self) -> Option<&T> { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `peek_mut` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:43:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 43 | pub fn peek_mut(&mut self) -> Option<&mut T> { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: struct is never constructed: `IntoIter` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:60:1 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 60 | pub struct IntoIter(List); Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `into_iter` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:63:5 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 63 | pub fn into_iter(self) -> IntoIter { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: struct is never constructed: `Iter` Nov 29 18:19:48.492 INFO [stderr] --> src/second.rs:76:1 Nov 29 18:19:48.492 INFO [stderr] | Nov 29 18:19:48.492 INFO [stderr] 76 | pub struct Iter<'a, T: 'a> { Nov 29 18:19:48.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.492 INFO [stderr] Nov 29 18:19:48.492 INFO [stderr] warning: method is never used: `iter` Nov 29 18:19:48.493 INFO [stderr] --> src/second.rs:81:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 81 | pub fn iter<'a>(&'a self) -> Iter<'a, T> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: struct is never constructed: `Tree` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:1:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 1 | pub struct Tree<'a> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: type alias is never used: `Link` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:5:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 5 | type Link<'a> = Option>>; Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: struct is never constructed: `Node` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:7:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 7 | struct Node<'a> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: method is never used: `new` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:14:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 14 | pub fn new() -> Self { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: method is never used: `add` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:18:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 18 | pub fn add(&mut self, value: &'a str) { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: method is never used: `display` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:31:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 31 | pub fn display(&self) { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: method is never used: `insert` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:35:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 35 | fn insert(head: &mut Node<'a>, new_node : Box>) { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: method is never used: `display_node` Nov 29 18:19:48.493 INFO [stderr] --> src/treeee.rs:49:5 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 49 | fn display_node(node : &Node, depth: i32) { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: struct is never constructed: `Collection` Nov 29 18:19:48.493 INFO [stderr] --> src/four.rs:3:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 3 | struct Collection<'a> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: struct is never constructed: `Elem` Nov 29 18:19:48.493 INFO [stderr] --> src/four.rs:8:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 8 | struct Elem<'a> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: function is never used: `insert` Nov 29 18:19:48.493 INFO [stderr] --> src/four.rs:12:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 12 | fn insert<'a>(c : &mut Collection<'a>, e : Box>) { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.493 INFO [stderr] warning: function is never used: `a` Nov 29 18:19:48.493 INFO [stderr] --> src/four.rs:17:1 Nov 29 18:19:48.493 INFO [stderr] | Nov 29 18:19:48.493 INFO [stderr] 17 | fn a<'a>() -> Collection<'a> { Nov 29 18:19:48.493 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 18:19:48.493 INFO [stderr] Nov 29 18:19:48.658 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s Nov 29 18:19:48.661 INFO [stderr] su: No module specific data is present Nov 29 18:19:49.432 INFO running `"docker" "inspect" "a8f90177d62fc103dd27f90e9e86d04cd647f956d037ee756e3f801a9a00f143"` Nov 29 18:19:49.750 INFO running `"docker" "rm" "-f" "a8f90177d62fc103dd27f90e9e86d04cd647f956d037ee756e3f801a9a00f143"` Nov 29 18:19:50.068 INFO [stdout] a8f90177d62fc103dd27f90e9e86d04cd647f956d037ee756e3f801a9a00f143