Nov 18 13:44:32.156 INFO testing futures-sink-preview-0.3.0-alpha.7 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 13:44:32.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 18 13:44:32.467 INFO [stdout] 229b8fe2f705b7e35afebcbd156ab4d96a5b88c672085031508eb9e87c3a6e51
Nov 18 13:44:32.472 INFO running `"docker" "start" "-a" "229b8fe2f705b7e35afebcbd156ab4d96a5b88c672085031508eb9e87c3a6e51"`
Nov 18 13:44:33.559 INFO [stderr] usermod: no changes
Nov 18 13:44:33.603 INFO [stderr]    Compiling futures-core-preview v0.3.0-alpha.9
Nov 18 13:44:34.335 INFO [stderr]    Compiling futures-channel-preview v0.3.0-alpha.9
Nov 18 13:44:35.237 INFO [stderr]    Compiling futures-sink-preview v0.3.0-alpha.7 (/source)
Nov 18 13:44:35.591 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 18 13:44:35.591 INFO [stderr]  --> src/channel_impls.rs:4:5
Nov 18 13:44:35.591 INFO [stderr]   |
Nov 18 13:44:35.591 INFO [stderr] 4 | use std::pin::Pin;
Nov 18 13:44:35.591 INFO [stderr]   |     ^^^ Could not find `std` in `{{root}}`
Nov 18 13:44:35.591 INFO [stderr] 
Nov 18 13:44:35.622 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr]    --> src/lib.rs:170:24
Nov 18 13:44:35.622 INFO [stderr]     |
Nov 18 13:44:35.622 INFO [stderr] 170 |     impl<T> Sink for ::std::vec::Vec<T> {
Nov 18 13:44:35.622 INFO [stderr]     |                        ^^^ Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr] 
Nov 18 13:44:35.622 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr]    --> src/lib.rs:193:24
Nov 18 13:44:35.622 INFO [stderr]     |
Nov 18 13:44:35.622 INFO [stderr] 193 |     impl<T> Sink for ::std::collections::VecDeque<T> {
Nov 18 13:44:35.622 INFO [stderr]     |                        ^^^ Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr] 
Nov 18 13:44:35.622 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr]    --> src/lib.rs:216:47
Nov 18 13:44:35.622 INFO [stderr]     |
Nov 18 13:44:35.622 INFO [stderr] 216 |     impl<S: ?Sized + Sink + Unpin> Sink for ::std::boxed::Box<S> {
Nov 18 13:44:35.622 INFO [stderr]     |                                               ^^^ Could not find `std` in `{{root}}`
Nov 18 13:44:35.622 INFO [stderr] 
Nov 18 13:44:35.623 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.623 INFO [stderr]   --> src/channel_impls.rs:10:29
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 10 |     fn poll_ready(mut self: Pin<&mut Self>, lw: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.623 INFO [stderr]    |                             ^^^ not found in this scope
Nov 18 13:44:35.623 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 
Nov 18 13:44:35.623 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.623 INFO [stderr]   --> src/channel_impls.rs:14:29
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 14 |     fn start_send(mut self: Pin<&mut Self>, msg: T) -> Result<(), Self::SinkError> {
Nov 18 13:44:35.623 INFO [stderr]    |                             ^^^ not found in this scope
Nov 18 13:44:35.623 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 
Nov 18 13:44:35.623 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.623 INFO [stderr]   --> src/channel_impls.rs:18:25
Nov 18 13:44:35.623 INFO [stderr]    |
Nov 18 13:44:35.623 INFO [stderr] 18 |     fn poll_flush(self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.627 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.627 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 
Nov 18 13:44:35.627 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.627 INFO [stderr]   --> src/channel_impls.rs:22:29
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 22 |     fn poll_close(mut self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.627 INFO [stderr]    |                             ^^^ not found in this scope
Nov 18 13:44:35.627 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 
Nov 18 13:44:35.627 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.627 INFO [stderr]   --> src/channel_impls.rs:32:25
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 32 |     fn poll_ready(self: Pin<&mut Self>, lw: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.627 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.627 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 
Nov 18 13:44:35.627 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.627 INFO [stderr]   --> src/channel_impls.rs:36:29
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 36 |     fn start_send(mut self: Pin<&mut Self>, msg: T) -> Result<(), Self::SinkError> {
Nov 18 13:44:35.627 INFO [stderr]    |                             ^^^ not found in this scope
Nov 18 13:44:35.627 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.627 INFO [stderr] 
Nov 18 13:44:35.627 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.627 INFO [stderr]   --> src/channel_impls.rs:40:25
Nov 18 13:44:35.627 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 40 |     fn poll_flush(self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.628 INFO [stderr]   --> src/channel_impls.rs:44:25
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 44 |     fn poll_close(self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.628 INFO [stderr]   --> src/channel_impls.rs:54:25
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 54 |     fn poll_ready(self: Pin<&mut Self>, lw: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.628 INFO [stderr]   --> src/channel_impls.rs:58:25
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 58 |     fn start_send(self: Pin<&mut Self>, msg: T) -> Result<(), Self::SinkError> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.628 INFO [stderr]   --> src/channel_impls.rs:63:25
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 63 |     fn poll_flush(self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] error[E0412]: cannot find type `Pin` in this scope
Nov 18 13:44:35.628 INFO [stderr]   --> src/channel_impls.rs:67:25
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 67 |     fn poll_close(self: Pin<&mut Self>, _: &LocalWaker) -> Poll<Result<(), Self::SinkError>> {
Nov 18 13:44:35.628 INFO [stderr]    |                         ^^^ not found in this scope
Nov 18 13:44:35.628 INFO [stderr] help: possible candidate is found in another module, you can import it into scope
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 1  | use core::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]    |
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.628 INFO [stderr] warning: unused import: `std::pin::Pin`
Nov 18 13:44:35.628 INFO [stderr]  --> src/channel_impls.rs:4:5
Nov 18 13:44:35.628 INFO [stderr]   |
Nov 18 13:44:35.628 INFO [stderr] 4 | use std::pin::Pin;
Nov 18 13:44:35.628 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 18 13:44:35.628 INFO [stderr]   |
Nov 18 13:44:35.628 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 13:44:35.628 INFO [stderr] 
Nov 18 13:44:35.629 INFO [stderr] error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
Nov 18 13:44:35.629 INFO [stderr]    --> src/lib.rs:170:10
Nov 18 13:44:35.629 INFO [stderr]     |
Nov 18 13:44:35.629 INFO [stderr] 170 |     impl<T> Sink for ::std::vec::Vec<T> {
Nov 18 13:44:35.629 INFO [stderr]     |          ^ unconstrained type parameter
Nov 18 13:44:35.629 INFO [stderr] 
Nov 18 13:44:35.629 INFO [stderr] error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
Nov 18 13:44:35.629 INFO [stderr]    --> src/lib.rs:193:10
Nov 18 13:44:35.629 INFO [stderr]     |
Nov 18 13:44:35.629 INFO [stderr] 193 |     impl<T> Sink for ::std::collections::VecDeque<T> {
Nov 18 13:44:35.629 INFO [stderr]     |          ^ unconstrained type parameter
Nov 18 13:44:35.629 INFO [stderr] 
Nov 18 13:44:35.629 INFO [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates
Nov 18 13:44:35.629 INFO [stderr]    --> src/lib.rs:216:10
Nov 18 13:44:35.629 INFO [stderr]     |
Nov 18 13:44:35.629 INFO [stderr] 216 |     impl<S: ?Sized + Sink + Unpin> Sink for ::std::boxed::Box<S> {
Nov 18 13:44:35.629 INFO [stderr]     |          ^ unconstrained type parameter
Nov 18 13:44:35.629 INFO [stderr] 
Nov 18 13:44:35.629 INFO [stderr] error: aborting due to 19 previous errors
Nov 18 13:44:35.629 INFO [stderr] 
Nov 18 13:44:35.629 INFO [stderr] Some errors occurred: E0207, E0412, E0433.
Nov 18 13:44:35.629 INFO [stderr] For more information about an error, try `rustc --explain E0207`.
Nov 18 13:44:35.639 INFO [stderr] error: Could not compile `futures-sink-preview`.
Nov 18 13:44:35.639 INFO [stderr] 
Nov 18 13:44:35.639 INFO [stderr] To learn more, run the command again with --verbose.
Nov 18 13:44:35.639 INFO [stderr] su: No module specific data is present
Nov 18 13:44:36.378 INFO running `"docker" "inspect" "229b8fe2f705b7e35afebcbd156ab4d96a5b88c672085031508eb9e87c3a6e51"`
Nov 18 13:44:36.663 INFO running `"docker" "rm" "-f" "229b8fe2f705b7e35afebcbd156ab4d96a5b88c672085031508eb9e87c3a6e51"`
Nov 18 13:44:36.975 INFO [stdout] 229b8fe2f705b7e35afebcbd156ab4d96a5b88c672085031508eb9e87c3a6e51