Sep 10 22:29:40.184 INFO checking avl_tree-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 22:29:40.184 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 22:29:40.184 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 22:29:40.371 INFO blam! 0de52dea792d28a849e65e704999d5469c962d540d6c8d3fdc2130840d9ce850 Sep 10 22:29:40.373 INFO running `"docker" "start" "-a" "0de52dea792d28a849e65e704999d5469c962d540d6c8d3fdc2130840d9ce850"` Sep 10 22:29:41.560 INFO kablam! usermod: no changes Sep 10 22:29:41.670 INFO kablam! Checking avl_tree v0.2.0 (file:///source) Sep 10 22:29:42.431 INFO kablam! warning: unnecessary parentheses around function argument Sep 10 22:29:42.431 INFO kablam! --> src/node.rs:252:20 Sep 10 22:29:42.431 INFO kablam! | Sep 10 22:29:42.431 INFO kablam! 252 | t = insert((x as u64),1337+x-1,t) Sep 10 22:29:42.431 INFO kablam! | ^^^^^^^^^^ help: remove these parentheses Sep 10 22:29:42.431 INFO kablam! | Sep 10 22:29:42.431 INFO kablam! = note: #[warn(unused_parens)] on by default Sep 10 22:29:42.432 INFO kablam! Sep 10 22:29:42.433 INFO kablam! warning: unused imports: `max`, `min`, `to_string` Sep 10 22:29:42.433 INFO kablam! --> src/tree.rs:5:33 Sep 10 22:29:42.433 INFO kablam! | Sep 10 22:29:42.433 INFO kablam! 5 | use node::{insert,delete,search,min,max,is_avl_tree, to_string, min_pair, max_pair}; Sep 10 22:29:42.433 INFO kablam! | ^^^ ^^^ ^^^^^^^^^ Sep 10 22:29:42.433 INFO kablam! | Sep 10 22:29:42.434 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 10 22:29:42.434 INFO kablam! Sep 10 22:29:42.623 INFO kablam! warning: unnecessary parentheses around function argument Sep 10 22:29:42.623 INFO kablam! --> src/node.rs:252:20 Sep 10 22:29:42.623 INFO kablam! | Sep 10 22:29:42.623 INFO kablam! 252 | t = insert((x as u64),1337+x-1,t) Sep 10 22:29:42.623 INFO kablam! | ^^^^^^^^^^ help: remove these parentheses Sep 10 22:29:42.630 INFO kablam! | Sep 10 22:29:42.630 INFO kablam! = note: #[warn(unused_parens)] on by default Sep 10 22:29:42.630 INFO kablam! Sep 10 22:29:42.630 INFO kablam! warning: unused imports: `max`, `min`, `to_string` Sep 10 22:29:42.630 INFO kablam! --> src/tree.rs:5:33 Sep 10 22:29:42.630 INFO kablam! | Sep 10 22:29:42.630 INFO kablam! 5 | use node::{insert,delete,search,min,max,is_avl_tree, to_string, min_pair, max_pair}; Sep 10 22:29:42.630 INFO kablam! | ^^^ ^^^ ^^^^^^^^^ Sep 10 22:29:42.630 INFO kablam! | Sep 10 22:29:42.630 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 10 22:29:42.630 INFO kablam! Sep 10 22:29:42.975 INFO kablam! warning: function is never used: `contains` Sep 10 22:29:42.975 INFO kablam! --> src/node.rs:145:1 Sep 10 22:29:42.975 INFO kablam! | Sep 10 22:29:42.975 INFO kablam! 145 | fn contains(key: &K, root: &Box> ) -> bool { Sep 10 22:29:42.975 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.975 INFO kablam! | Sep 10 22:29:42.975 INFO kablam! = note: #[warn(dead_code)] on by default Sep 10 22:29:42.975 INFO kablam! Sep 10 22:29:42.975 INFO kablam! warning: function is never used: `min` Sep 10 22:29:42.975 INFO kablam! --> src/node.rs:175:1 Sep 10 22:29:42.975 INFO kablam! | Sep 10 22:29:42.975 INFO kablam! 175 | pub fn min(root: &Box>) -> &D { Sep 10 22:29:42.975 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.975 INFO kablam! Sep 10 22:29:42.975 INFO kablam! warning: function is never used: `max` Sep 10 22:29:42.975 INFO kablam! --> src/node.rs:180:1 Sep 10 22:29:42.975 INFO kablam! | Sep 10 22:29:42.975 INFO kablam! 180 | pub fn max(root: &Box>) -> &D { Sep 10 22:29:42.975 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.975 INFO kablam! Sep 10 22:29:42.975 INFO kablam! warning: function is never used: `simple_tree` Sep 10 22:29:42.975 INFO kablam! --> src/node.rs:249:1 Sep 10 22:29:42.975 INFO kablam! | Sep 10 22:29:42.975 INFO kablam! 249 | fn simple_tree(size: i32) -> Box> { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.976 INFO kablam! warning: function is never used: `is_sorted_left` Sep 10 22:29:42.976 INFO kablam! --> src/node.rs:257:1 Sep 10 22:29:42.976 INFO kablam! | Sep 10 22:29:42.976 INFO kablam! 257 | fn is_sorted_left(node: &Box>) -> bool { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.976 INFO kablam! warning: function is never used: `is_sorted_right` Sep 10 22:29:42.976 INFO kablam! --> src/node.rs:261:1 Sep 10 22:29:42.976 INFO kablam! | Sep 10 22:29:42.976 INFO kablam! 261 | fn is_sorted_right(node: &Box>) -> bool { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.976 INFO kablam! warning: function is never used: `is_avl_node` Sep 10 22:29:42.976 INFO kablam! --> src/node.rs:265:1 Sep 10 22:29:42.976 INFO kablam! | Sep 10 22:29:42.976 INFO kablam! 265 | fn is_avl_node(node: &Box>) -> bool { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.976 INFO kablam! warning: function is never used: `is_avl_tree` Sep 10 22:29:42.976 INFO kablam! --> src/node.rs:271:1 Sep 10 22:29:42.976 INFO kablam! | Sep 10 22:29:42.976 INFO kablam! 271 | pub fn is_avl_tree(root: &Option>>) -> bool { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.976 INFO kablam! warning: method is never used: `test_avl_tree` Sep 10 22:29:42.976 INFO kablam! --> src/tree.rs:183:5 Sep 10 22:29:42.976 INFO kablam! | Sep 10 22:29:42.976 INFO kablam! 183 | fn test_avl_tree(&self) -> bool { Sep 10 22:29:42.976 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.976 INFO kablam! Sep 10 22:29:42.978 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable Sep 10 22:29:42.978 INFO kablam! --> src/lib.rs:4:12 Sep 10 22:29:42.978 INFO kablam! | Sep 10 22:29:42.978 INFO kablam! 4 | #![feature(collections_bound)] Sep 10 22:29:42.978 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 10 22:29:42.978 INFO kablam! | Sep 10 22:29:42.978 INFO kablam! = note: #[warn(stable_features)] on by default Sep 10 22:29:42.978 INFO kablam! Sep 10 22:29:42.978 INFO kablam! error[E0635]: unknown feature `rand` Sep 10 22:29:42.978 INFO kablam! --> src/lib.rs:5:12 Sep 10 22:29:42.978 INFO kablam! | Sep 10 22:29:42.978 INFO kablam! 5 | #![feature(rand)] Sep 10 22:29:42.978 INFO kablam! | ^^^^ Sep 10 22:29:42.978 INFO kablam! Sep 10 22:29:42.998 INFO kablam! error: aborting due to previous error Sep 10 22:29:42.998 INFO kablam! Sep 10 22:29:42.998 INFO kablam! For more information about this error, try `rustc --explain E0635`. Sep 10 22:29:43.014 INFO kablam! error: Could not compile `avl_tree`. Sep 10 22:29:43.014 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 10 22:29:43.086 INFO kablam! warning: variable does not need to be mutable Sep 10 22:29:43.086 INFO kablam! --> src/node.rs:368:9 Sep 10 22:29:43.086 INFO kablam! | Sep 10 22:29:43.086 INFO kablam! 368 | let mut t = simple_tree(50); Sep 10 22:29:43.086 INFO kablam! | ----^ Sep 10 22:29:43.086 INFO kablam! | | Sep 10 22:29:43.086 INFO kablam! | help: remove this `mut` Sep 10 22:29:43.102 INFO kablam! | Sep 10 22:29:43.102 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 10 22:29:43.103 INFO kablam! Sep 10 22:29:43.190 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable Sep 10 22:29:43.190 INFO kablam! --> src/lib.rs:4:12 Sep 10 22:29:43.190 INFO kablam! | Sep 10 22:29:43.190 INFO kablam! 4 | #![feature(collections_bound)] Sep 10 22:29:43.190 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 10 22:29:43.190 INFO kablam! | Sep 10 22:29:43.190 INFO kablam! = note: #[warn(stable_features)] on by default Sep 10 22:29:43.190 INFO kablam! Sep 10 22:29:43.202 INFO kablam! error[E0635]: unknown feature `rand` Sep 10 22:29:43.202 INFO kablam! --> src/lib.rs:5:12 Sep 10 22:29:43.202 INFO kablam! | Sep 10 22:29:43.202 INFO kablam! 5 | #![feature(rand)] Sep 10 22:29:43.202 INFO kablam! | ^^^^ Sep 10 22:29:43.202 INFO kablam! Sep 10 22:29:43.225 INFO kablam! error: aborting due to previous error Sep 10 22:29:43.230 INFO kablam! Sep 10 22:29:43.230 INFO kablam! For more information about this error, try `rustc --explain E0635`. Sep 10 22:29:43.243 INFO kablam! error: Could not compile `avl_tree`. Sep 10 22:29:43.244 INFO kablam! Sep 10 22:29:43.244 INFO kablam! To learn more, run the command again with --verbose. Sep 10 22:29:43.245 INFO kablam! su: No module specific data is present Sep 10 22:29:44.710 INFO running `"docker" "rm" "-f" "0de52dea792d28a849e65e704999d5469c962d540d6c8d3fdc2130840d9ce850"` Sep 10 22:29:44.840 INFO blam! 0de52dea792d28a849e65e704999d5469c962d540d6c8d3fdc2130840d9ce850