Dec 05 04:50:27.884 INFO checking urchin-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:50:27.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 04:50:28.519 INFO [stdout] 6cdc83f7b77fe99ff091304abe093a83d66a7b5bbd8f3bce8d50f2dd5f235dd6
Dec 05 04:50:28.521 INFO running `"docker" "start" "-a" "6cdc83f7b77fe99ff091304abe093a83d66a7b5bbd8f3bce8d50f2dd5f235dd6"`
Dec 05 04:50:29.588 INFO [stderr] usermod: no changes
Dec 05 04:50:29.635 INFO [stderr]     Checking urchin v0.1.1 (/source)
Dec 05 04:50:30.291 INFO [stderr] warning: method is never used: `expect`
Dec 05 04:50:30.291 INFO [stderr]   --> src/future.rs:50:5
Dec 05 04:50:30.291 INFO [stderr]    |
Dec 05 04:50:30.291 INFO [stderr] 50 |     fn expect(self, _msg: &str) -> T {
Dec 05 04:50:30.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.291 INFO [stderr]    |
Dec 05 04:50:30.291 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 04:50:30.291 INFO [stderr] 
Dec 05 04:50:30.459 INFO [stderr] warning: enum is never used: `FutureState`
Dec 05 04:50:30.459 INFO [stderr]  --> src/future.rs:6:1
Dec 05 04:50:30.459 INFO [stderr]   |
Dec 05 04:50:30.459 INFO [stderr] 6 | enum FutureState<T, E> {
Dec 05 04:50:30.459 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.459 INFO [stderr]   |
Dec 05 04:50:30.459 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: struct is never constructed: `FutureInner`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:13:1
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 13 | pub struct FutureInner<T, E> {
Dec 05 04:50:30.460 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `promised`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:18:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 18 |     fn promised() -> FutureInner<T, E> {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `from_val`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:24:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 24 |     fn from_val(val: T) -> FutureInner<T, E> {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `from_err`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:30:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 30 |     fn from_err(err: E) -> FutureInner<T, E> {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `unwrap`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:36:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 36 |     fn unwrap(self) -> T {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `unwrap_err`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:43:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 43 |     fn unwrap_err(self) -> E {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `expect`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:50:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 50 |     fn expect(self, _msg: &str) -> T {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `is_promised`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:57:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 57 |     fn is_promised(&self) -> bool {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `is_err`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:64:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 64 |     fn is_err(&self) -> bool {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `is_ok`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:71:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 71 |     fn is_ok(&self) -> bool {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `ok`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:78:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 78 |     fn ok(self) -> Option<T> {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `err`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:85:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 85 |     fn err(self) -> Option<E> {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `set_ok`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:92:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 92 |     fn set_ok(&mut self, val: T) {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `set_err`
Dec 05 04:50:30.460 INFO [stderr]   --> src/future.rs:97:5
Dec 05 04:50:30.460 INFO [stderr]    |
Dec 05 04:50:30.460 INFO [stderr] 97 |     fn set_err(&mut self, err: E) {
Dec 05 04:50:30.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: struct is never constructed: `Future`
Dec 05 04:50:30.460 INFO [stderr]    --> src/future.rs:104:1
Dec 05 04:50:30.460 INFO [stderr]     |
Dec 05 04:50:30.460 INFO [stderr] 104 | pub struct Future<T, E> {
Dec 05 04:50:30.460 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.460 INFO [stderr] 
Dec 05 04:50:30.460 INFO [stderr] warning: method is never used: `promised`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:112:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 112 |     pub fn promised() -> (Future<T, E>, Promise<T, E>) {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `from_val`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:119:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 119 |     pub fn from_val(val: T) -> Future<T, E> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `from_err`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:124:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 124 |     pub fn from_err(err: E) -> Future<T, E> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `new`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:128:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 128 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Future<T, E> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `is_promised`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:135:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 135 |     pub fn is_promised(&self) -> bool {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `is_ok`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:141:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 141 |     pub fn is_ok(&self) -> bool {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `is_err`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:146:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 146 |     pub fn is_err(&self) -> bool {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `err`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:152:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 152 |     pub fn err(self) -> Option<E> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `ok`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:160:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 160 |     pub fn ok(self) -> Option<T> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `unwrap_err`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:169:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 169 |     pub fn unwrap_err(self) -> E {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `unwrap`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:177:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 177 |     pub fn unwrap(self) -> T {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: struct is never constructed: `Promise`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:188:1
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 188 | pub struct Promise<T, E> {
Dec 05 04:50:30.461 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `new`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:195:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 195 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Promise<T, E> {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.461 INFO [stderr] warning: method is never used: `resolve`
Dec 05 04:50:30.461 INFO [stderr]    --> src/future.rs:201:5
Dec 05 04:50:30.461 INFO [stderr]     |
Dec 05 04:50:30.461 INFO [stderr] 201 |     pub fn resolve(self, res: Result<T, E>) {
Dec 05 04:50:30.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:50:30.461 INFO [stderr] 
Dec 05 04:50:30.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 05 04:50:30.495 INFO [stderr] su: No module specific data is present
Dec 05 04:50:31.521 INFO running `"docker" "inspect" "6cdc83f7b77fe99ff091304abe093a83d66a7b5bbd8f3bce8d50f2dd5f235dd6"`
Dec 05 04:50:31.795 INFO running `"docker" "rm" "-f" "6cdc83f7b77fe99ff091304abe093a83d66a7b5bbd8f3bce8d50f2dd5f235dd6"`
Dec 05 04:50:32.095 INFO [stdout] 6cdc83f7b77fe99ff091304abe093a83d66a7b5bbd8f3bce8d50f2dd5f235dd6