Nov 30 13:32:44.297 INFO checking urchin-0.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 13:32:44.297 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 30 13:32:44.809 INFO [stdout] ee1a3f0986aabd3c287b6eae62c45f9ed805322f8b5a7d34bfe5d4b87e15a1fe
Nov 30 13:32:44.811 INFO running `"docker" "start" "-a" "ee1a3f0986aabd3c287b6eae62c45f9ed805322f8b5a7d34bfe5d4b87e15a1fe"`
Nov 30 13:32:46.612 INFO [stderr] usermod: no changes
Nov 30 13:32:46.664 INFO [stderr]     Checking urchin v0.1.1 (/source)
Nov 30 13:32:47.522 INFO [stderr] warning: enum is never used: `FutureState`
Nov 30 13:32:47.522 INFO [stderr]  --> src/future.rs:6:1
Nov 30 13:32:47.522 INFO [stderr]   |
Nov 30 13:32:47.522 INFO [stderr] 6 | enum FutureState<T, E> {
Nov 30 13:32:47.522 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.522 INFO [stderr]   |
Nov 30 13:32:47.522 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 13:32:47.522 INFO [stderr] 
Nov 30 13:32:47.522 INFO [stderr] warning: struct is never constructed: `FutureInner`
Nov 30 13:32:47.522 INFO [stderr]   --> src/future.rs:13:1
Nov 30 13:32:47.522 INFO [stderr]    |
Nov 30 13:32:47.522 INFO [stderr] 13 | pub struct FutureInner<T, E> {
Nov 30 13:32:47.522 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.522 INFO [stderr] 
Nov 30 13:32:47.522 INFO [stderr] warning: method is never used: `promised`
Nov 30 13:32:47.522 INFO [stderr]   --> src/future.rs:18:5
Nov 30 13:32:47.522 INFO [stderr]    |
Nov 30 13:32:47.522 INFO [stderr] 18 |     fn promised() -> FutureInner<T, E> {
Nov 30 13:32:47.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.522 INFO [stderr] 
Nov 30 13:32:47.522 INFO [stderr] warning: method is never used: `from_val`
Nov 30 13:32:47.522 INFO [stderr]   --> src/future.rs:24:5
Nov 30 13:32:47.522 INFO [stderr]    |
Nov 30 13:32:47.522 INFO [stderr] 24 |     fn from_val(val: T) -> FutureInner<T, E> {
Nov 30 13:32:47.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `from_err`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:30:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 30 |     fn from_err(err: E) -> FutureInner<T, E> {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `unwrap`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:36:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 36 |     fn unwrap(self) -> T {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `unwrap_err`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:43:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 43 |     fn unwrap_err(self) -> E {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `expect`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:50:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 50 |     fn expect(self, _msg: &str) -> T {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `is_promised`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:57:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 57 |     fn is_promised(&self) -> bool {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `is_err`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:64:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 64 |     fn is_err(&self) -> bool {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `is_ok`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:71:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 71 |     fn is_ok(&self) -> bool {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `ok`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:78:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 78 |     fn ok(self) -> Option<T> {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `err`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:85:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 85 |     fn err(self) -> Option<E> {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `set_ok`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:92:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 92 |     fn set_ok(&mut self, val: T) {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `set_err`
Nov 30 13:32:47.523 INFO [stderr]   --> src/future.rs:97:5
Nov 30 13:32:47.523 INFO [stderr]    |
Nov 30 13:32:47.523 INFO [stderr] 97 |     fn set_err(&mut self, err: E) {
Nov 30 13:32:47.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: struct is never constructed: `Future`
Nov 30 13:32:47.523 INFO [stderr]    --> src/future.rs:104:1
Nov 30 13:32:47.523 INFO [stderr]     |
Nov 30 13:32:47.523 INFO [stderr] 104 | pub struct Future<T, E> {
Nov 30 13:32:47.523 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `promised`
Nov 30 13:32:47.523 INFO [stderr]    --> src/future.rs:112:5
Nov 30 13:32:47.523 INFO [stderr]     |
Nov 30 13:32:47.523 INFO [stderr] 112 |     pub fn promised() -> (Future<T, E>, Promise<T, E>) {
Nov 30 13:32:47.523 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `from_val`
Nov 30 13:32:47.523 INFO [stderr]    --> src/future.rs:119:5
Nov 30 13:32:47.523 INFO [stderr]     |
Nov 30 13:32:47.523 INFO [stderr] 119 |     pub fn from_val(val: T) -> Future<T, E> {
Nov 30 13:32:47.523 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `from_err`
Nov 30 13:32:47.523 INFO [stderr]    --> src/future.rs:124:5
Nov 30 13:32:47.523 INFO [stderr]     |
Nov 30 13:32:47.523 INFO [stderr] 124 |     pub fn from_err(err: E) -> Future<T, E> {
Nov 30 13:32:47.523 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.523 INFO [stderr] 
Nov 30 13:32:47.523 INFO [stderr] warning: method is never used: `new`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:128:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 128 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Future<T, E> {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `is_promised`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:135:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 135 |     pub fn is_promised(&self) -> bool {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `is_ok`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:141:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 141 |     pub fn is_ok(&self) -> bool {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `is_err`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:146:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 146 |     pub fn is_err(&self) -> bool {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `err`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:152:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 152 |     pub fn err(self) -> Option<E> {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `ok`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:160:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 160 |     pub fn ok(self) -> Option<T> {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `unwrap_err`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:169:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 169 |     pub fn unwrap_err(self) -> E {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `unwrap`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:177:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 177 |     pub fn unwrap(self) -> T {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: struct is never constructed: `Promise`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:188:1
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 188 | pub struct Promise<T, E> {
Nov 30 13:32:47.524 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `new`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:195:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 195 |     fn new(inner: Rc<RefCell<FutureInner<T, E>>>) -> Promise<T, E> {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.524 INFO [stderr] warning: method is never used: `resolve`
Nov 30 13:32:47.524 INFO [stderr]    --> src/future.rs:201:5
Nov 30 13:32:47.524 INFO [stderr]     |
Nov 30 13:32:47.524 INFO [stderr] 201 |     pub fn resolve(self, res: Result<T, E>) {
Nov 30 13:32:47.524 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.524 INFO [stderr] 
Nov 30 13:32:47.796 INFO [stderr] warning: method is never used: `expect`
Nov 30 13:32:47.796 INFO [stderr]   --> src/future.rs:50:5
Nov 30 13:32:47.796 INFO [stderr]    |
Nov 30 13:32:47.796 INFO [stderr] 50 |     fn expect(self, _msg: &str) -> T {
Nov 30 13:32:47.796 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:32:47.796 INFO [stderr]    |
Nov 30 13:32:47.796 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 13:32:47.796 INFO [stderr] 
Nov 30 13:32:47.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 30 13:32:47.819 INFO [stderr] su: No module specific data is present
Nov 30 13:32:48.400 INFO running `"docker" "inspect" "ee1a3f0986aabd3c287b6eae62c45f9ed805322f8b5a7d34bfe5d4b87e15a1fe"`
Nov 30 13:32:48.630 INFO running `"docker" "rm" "-f" "ee1a3f0986aabd3c287b6eae62c45f9ed805322f8b5a7d34bfe5d4b87e15a1fe"`
Nov 30 13:32:48.880 INFO [stdout] ee1a3f0986aabd3c287b6eae62c45f9ed805322f8b5a7d34bfe5d4b87e15a1fe