Aug 31 09:56:43.061 INFO checking urchin-0.1.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 09:56:43.061 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 09:56:43.061 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 09:56:43.241 INFO blam! ad6138849f62caa47136b19d0fd1d023248f92103a570eeabfc90b39a443a383
Aug 31 09:56:43.243 INFO running `"docker" "start" "-a" "ad6138849f62caa47136b19d0fd1d023248f92103a570eeabfc90b39a443a383"`
Aug 31 09:56:43.780 INFO kablam!     Checking urchin v0.1.1 (file:///source)
Aug 31 09:56:44.146 INFO kablam! warning: method is never used: `expect`
Aug 31 09:56:44.146 INFO kablam!   --> src/future.rs:50:5
Aug 31 09:56:44.146 INFO kablam!    |
Aug 31 09:56:44.146 INFO kablam! 50 |     fn expect(self, _msg: &str) -> T {
Aug 31 09:56:44.146 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.146 INFO kablam!    |
Aug 31 09:56:44.146 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 09:56:44.146 INFO kablam! 
Aug 31 09:56:44.179 INFO kablam! warning: enum is never used: `FutureState`
Aug 31 09:56:44.179 INFO kablam!  --> src/future.rs:6:1
Aug 31 09:56:44.179 INFO kablam!   |
Aug 31 09:56:44.179 INFO kablam! 6 | enum FutureState<T, E> {
Aug 31 09:56:44.180 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.180 INFO kablam!   |
Aug 31 09:56:44.180 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 09:56:44.180 INFO kablam! 
Aug 31 09:56:44.180 INFO kablam! warning: struct is never constructed: `FutureInner`
Aug 31 09:56:44.180 INFO kablam!   --> src/future.rs:13:1
Aug 31 09:56:44.180 INFO kablam!    |
Aug 31 09:56:44.180 INFO kablam! 13 | pub struct FutureInner<T, E> {
Aug 31 09:56:44.180 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.180 INFO kablam! 
Aug 31 09:56:44.180 INFO kablam! warning: method is never used: `promised`
Aug 31 09:56:44.180 INFO kablam!   --> src/future.rs:18:5
Aug 31 09:56:44.180 INFO kablam!    |
Aug 31 09:56:44.180 INFO kablam! 18 |     fn promised() -> FutureInner<T, E> {
Aug 31 09:56:44.180 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.180 INFO kablam! 
Aug 31 09:56:44.180 INFO kablam! warning: method is never used: `from_val`
Aug 31 09:56:44.180 INFO kablam!   --> src/future.rs:24:5
Aug 31 09:56:44.181 INFO kablam!    |
Aug 31 09:56:44.181 INFO kablam! 24 |     fn from_val(val: T) -> FutureInner<T, E> {
Aug 31 09:56:44.181 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.181 INFO kablam! 
Aug 31 09:56:44.181 INFO kablam! warning: method is never used: `from_err`
Aug 31 09:56:44.181 INFO kablam!   --> src/future.rs:30:5
Aug 31 09:56:44.181 INFO kablam!    |
Aug 31 09:56:44.181 INFO kablam! 30 |     fn from_err(err: E) -> FutureInner<T, E> {
Aug 31 09:56:44.181 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.181 INFO kablam! 
Aug 31 09:56:44.181 INFO kablam! warning: method is never used: `unwrap`
Aug 31 09:56:44.181 INFO kablam!   --> src/future.rs:36:5
Aug 31 09:56:44.181 INFO kablam!    |
Aug 31 09:56:44.181 INFO kablam! 36 |     fn unwrap(self) -> T {
Aug 31 09:56:44.181 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.181 INFO kablam! 
Aug 31 09:56:44.181 INFO kablam! warning: method is never used: `unwrap_err`
Aug 31 09:56:44.181 INFO kablam!   --> src/future.rs:43:5
Aug 31 09:56:44.181 INFO kablam!    |
Aug 31 09:56:44.181 INFO kablam! 43 |     fn unwrap_err(self) -> E {
Aug 31 09:56:44.181 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.181 INFO kablam! 
Aug 31 09:56:44.181 INFO kablam! warning: method is never used: `expect`
Aug 31 09:56:44.182 INFO kablam!   --> src/future.rs:50:5
Aug 31 09:56:44.182 INFO kablam!    |
Aug 31 09:56:44.182 INFO kablam! 50 |     fn expect(self, _msg: &str) -> T {
Aug 31 09:56:44.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.182 INFO kablam! 
Aug 31 09:56:44.182 INFO kablam! warning: method is never used: `is_promised`
Aug 31 09:56:44.182 INFO kablam!   --> src/future.rs:57:5
Aug 31 09:56:44.182 INFO kablam!    |
Aug 31 09:56:44.182 INFO kablam! 57 |     fn is_promised(&self) -> bool {
Aug 31 09:56:44.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.182 INFO kablam! 
Aug 31 09:56:44.182 INFO kablam! warning: method is never used: `is_err`
Aug 31 09:56:44.182 INFO kablam!   --> src/future.rs:64:5
Aug 31 09:56:44.182 INFO kablam!    |
Aug 31 09:56:44.182 INFO kablam! 64 |     fn is_err(&self) -> bool {
Aug 31 09:56:44.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.182 INFO kablam! 
Aug 31 09:56:44.182 INFO kablam! warning: method is never used: `is_ok`
Aug 31 09:56:44.182 INFO kablam!   --> src/future.rs:71:5
Aug 31 09:56:44.182 INFO kablam!    |
Aug 31 09:56:44.182 INFO kablam! 71 |     fn is_ok(&self) -> bool {
Aug 31 09:56:44.182 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.182 INFO kablam! 
Aug 31 09:56:44.183 INFO kablam! warning: method is never used: `ok`
Aug 31 09:56:44.183 INFO kablam!   --> src/future.rs:78:5
Aug 31 09:56:44.183 INFO kablam!    |
Aug 31 09:56:44.183 INFO kablam! 78 |     fn ok(self) -> Option<T> {
Aug 31 09:56:44.183 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.183 INFO kablam! 
Aug 31 09:56:44.183 INFO kablam! warning: method is never used: `err`
Aug 31 09:56:44.183 INFO kablam!   --> src/future.rs:85:5
Aug 31 09:56:44.183 INFO kablam!    |
Aug 31 09:56:44.183 INFO kablam! 85 |     fn err(self) -> Option<E> {
Aug 31 09:56:44.183 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.183 INFO kablam! 
Aug 31 09:56:44.183 INFO kablam! warning: method is never used: `set_ok`
Aug 31 09:56:44.183 INFO kablam!   --> src/future.rs:92:5
Aug 31 09:56:44.183 INFO kablam!    |
Aug 31 09:56:44.183 INFO kablam! 92 |     fn set_ok(&mut self, val: T) {
Aug 31 09:56:44.183 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.183 INFO kablam! 
Aug 31 09:56:44.183 INFO kablam! warning: method is never used: `set_err`
Aug 31 09:56:44.183 INFO kablam!   --> src/future.rs:97:5
Aug 31 09:56:44.183 INFO kablam!    |
Aug 31 09:56:44.183 INFO kablam! 97 |     fn set_err(&mut self, err: E) {
Aug 31 09:56:44.183 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.183 INFO kablam! 
Aug 31 09:56:44.183 INFO kablam! warning: struct is never constructed: `Future`
Aug 31 09:56:44.184 INFO kablam!    --> src/future.rs:104:1
Aug 31 09:56:44.184 INFO kablam!     |
Aug 31 09:56:44.184 INFO kablam! 104 | pub struct Future<T, E> {
Aug 31 09:56:44.184 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.184 INFO kablam! 
Aug 31 09:56:44.184 INFO kablam! warning: method is never used: `promised`
Aug 31 09:56:44.184 INFO kablam!    --> src/future.rs:112:5
Aug 31 09:56:44.184 INFO kablam!     |
Aug 31 09:56:44.184 INFO kablam! 112 |     pub fn promised() -> (Future<T, E>, Promise<T, E>) {
Aug 31 09:56:44.184 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.184 INFO kablam! 
Aug 31 09:56:44.184 INFO kablam! warning: method is never used: `from_val`
Aug 31 09:56:44.184 INFO kablam!    --> src/future.rs:119:5
Aug 31 09:56:44.184 INFO kablam!     |
Aug 31 09:56:44.184 INFO kablam! 119 |     pub fn from_val(val: T) -> Future<T, E> {
Aug 31 09:56:44.184 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.184 INFO kablam! 
Aug 31 09:56:44.184 INFO kablam! warning: method is never used: `from_err`
Aug 31 09:56:44.184 INFO kablam!    --> src/future.rs:124:5
Aug 31 09:56:44.184 INFO kablam!     |
Aug 31 09:56:44.184 INFO kablam! 124 |     pub fn from_err(err: E) -> Future<T, E> {
Aug 31 09:56:44.184 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.184 INFO kablam! 
Aug 31 09:56:44.185 INFO kablam! warning: method is never used: `new`
Aug 31 09:56:44.185 INFO kablam!    --> src/future.rs:128:5
Aug 31 09:56:44.185 INFO kablam!     |
Aug 31 09:56:44.185 INFO kablam! 128 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Future<T, E> {
Aug 31 09:56:44.185 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.185 INFO kablam! 
Aug 31 09:56:44.185 INFO kablam! warning: method is never used: `is_promised`
Aug 31 09:56:44.185 INFO kablam!    --> src/future.rs:135:5
Aug 31 09:56:44.185 INFO kablam!     |
Aug 31 09:56:44.185 INFO kablam! 135 |     pub fn is_promised(&self) -> bool {
Aug 31 09:56:44.185 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.185 INFO kablam! 
Aug 31 09:56:44.185 INFO kablam! warning: method is never used: `is_ok`
Aug 31 09:56:44.185 INFO kablam!    --> src/future.rs:141:5
Aug 31 09:56:44.185 INFO kablam!     |
Aug 31 09:56:44.185 INFO kablam! 141 |     pub fn is_ok(&self) -> bool {
Aug 31 09:56:44.185 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.185 INFO kablam! 
Aug 31 09:56:44.185 INFO kablam! warning: method is never used: `is_err`
Aug 31 09:56:44.185 INFO kablam!    --> src/future.rs:146:5
Aug 31 09:56:44.185 INFO kablam!     |
Aug 31 09:56:44.185 INFO kablam! 146 |     pub fn is_err(&self) -> bool {
Aug 31 09:56:44.186 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.186 INFO kablam! 
Aug 31 09:56:44.186 INFO kablam! warning: method is never used: `err`
Aug 31 09:56:44.186 INFO kablam!    --> src/future.rs:152:5
Aug 31 09:56:44.186 INFO kablam!     |
Aug 31 09:56:44.186 INFO kablam! 152 |     pub fn err(self) -> Option<E> {
Aug 31 09:56:44.186 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.186 INFO kablam! 
Aug 31 09:56:44.186 INFO kablam! warning: method is never used: `ok`
Aug 31 09:56:44.186 INFO kablam!    --> src/future.rs:160:5
Aug 31 09:56:44.186 INFO kablam!     |
Aug 31 09:56:44.186 INFO kablam! 160 |     pub fn ok(self) -> Option<T> {
Aug 31 09:56:44.186 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.186 INFO kablam! 
Aug 31 09:56:44.186 INFO kablam! warning: method is never used: `unwrap_err`
Aug 31 09:56:44.186 INFO kablam!    --> src/future.rs:169:5
Aug 31 09:56:44.186 INFO kablam!     |
Aug 31 09:56:44.186 INFO kablam! 169 |     pub fn unwrap_err(self) -> E {
Aug 31 09:56:44.186 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.186 INFO kablam! 
Aug 31 09:56:44.186 INFO kablam! warning: method is never used: `unwrap`
Aug 31 09:56:44.186 INFO kablam!    --> src/future.rs:177:5
Aug 31 09:56:44.186 INFO kablam!     |
Aug 31 09:56:44.187 INFO kablam! 177 |     pub fn unwrap(self) -> T {
Aug 31 09:56:44.187 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.187 INFO kablam! 
Aug 31 09:56:44.187 INFO kablam! warning: struct is never constructed: `Promise`
Aug 31 09:56:44.187 INFO kablam!    --> src/future.rs:188:1
Aug 31 09:56:44.187 INFO kablam!     |
Aug 31 09:56:44.187 INFO kablam! 188 | pub struct Promise<T, E> {
Aug 31 09:56:44.187 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.187 INFO kablam! 
Aug 31 09:56:44.187 INFO kablam! warning: method is never used: `new`
Aug 31 09:56:44.187 INFO kablam!    --> src/future.rs:195:5
Aug 31 09:56:44.187 INFO kablam!     |
Aug 31 09:56:44.187 INFO kablam! 195 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Promise<T, E> {
Aug 31 09:56:44.187 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.187 INFO kablam! 
Aug 31 09:56:44.187 INFO kablam! warning: method is never used: `resolve`
Aug 31 09:56:44.187 INFO kablam!    --> src/future.rs:201:5
Aug 31 09:56:44.187 INFO kablam!     |
Aug 31 09:56:44.187 INFO kablam! 201 |     pub fn resolve(self, res: Result<T, E>) {
Aug 31 09:56:44.187 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:56:44.187 INFO kablam! 
Aug 31 09:56:44.197 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Aug 31 09:56:44.199 INFO kablam! su: No module specific data is present
Aug 31 09:56:44.562 INFO running `"docker" "rm" "-f" "ad6138849f62caa47136b19d0fd1d023248f92103a570eeabfc90b39a443a383"`
Aug 31 09:56:44.663 INFO blam! ad6138849f62caa47136b19d0fd1d023248f92103a570eeabfc90b39a443a383