[INFO] fetching crate heng_rs 0.1.0...
[INFO] testing heng_rs-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate heng_rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate heng_rs 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heng_rs 0.1.0
[INFO] finished tweaking crates.io crate heng_rs 0.1.0
[INFO] tweaked toml for crates.io crate heng_rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab8ea36d9827a5f8e22d92000565d9362753dfe3e38acefc98c532a9340e092
[INFO] running `Command { std: "docker" "start" "-a" "4ab8ea36d9827a5f8e22d92000565d9362753dfe3e38acefc98c532a9340e092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab8ea36d9827a5f8e22d92000565d9362753dfe3e38acefc98c532a9340e092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab8ea36d9827a5f8e22d92000565d9362753dfe3e38acefc98c532a9340e092", kill_on_drop: false }`
[INFO] [stdout] 4ab8ea36d9827a5f8e22d92000565d9362753dfe3e38acefc98c532a9340e092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca14c27d6481fb2b76952e9566859bc6c03831881805dd5401046e3561e2957
[INFO] running `Command { std: "docker" "start" "-a" "aca14c27d6481fb2b76952e9566859bc6c03831881805dd5401046e3561e2957", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling heng_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures_util::SinkExt`
[INFO] [stdout]    --> src/lib.rs:51:20
[INFO] [stdout]     |
[INFO] [stdout] 51  | use futures_util::{SinkExt, StreamExt};
[INFO] [stdout]     |                    ^^^^^^^ no `SinkExt` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-util-preview-0.3.0-alpha.19/src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[doc(hidden)] pub use crate::sink::SinkExt;
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `sink` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `current_thread` in `tokio_executor`
[INFO] [stdout]   --> src/lib.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |         tokio_executor::current_thread::spawn(async move {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ could not find `current_thread` in `tokio_executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for mutable reference `&mut UnboundedSender<M>` in the current scope
[INFO] [stdout]   --> src/lib.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         self.0
[INFO] [stdout] 71 | |             .lock()
[INFO] [stdout] 72 | |             .unwrap()
[INFO] [stdout] 73 | |             .tx
[INFO] [stdout] 74 | |             .as_mut()
[INFO] [stdout] 75 | |             .expect("SchedulerSender is None")
[INFO] [stdout] 76 | |             .send(msg)
[INFO] [stdout]    | |             -^^^^ method not found in `&mut UnboundedSender<M>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::Sender` in the current scope
[INFO] [stdout]    --> src/lib.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         inner.tx_sig.send(signal).await
[INFO] [stdout]     |                      ^^^^ help: there is a method with a similar name: `try_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for mutable reference `&mut UnboundedSender<M>` in the current scope
[INFO] [stdout]   --> src/lib.rs:84:65
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _ = sender.lock().unwrap().tx.as_mut().unwrap().send(msg).await;
[INFO] [stdout]    |                                                                 ^^^^ method not found in `&mut UnboundedSender<M>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heng_rs` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "aca14c27d6481fb2b76952e9566859bc6c03831881805dd5401046e3561e2957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca14c27d6481fb2b76952e9566859bc6c03831881805dd5401046e3561e2957", kill_on_drop: false }`
[INFO] [stdout] aca14c27d6481fb2b76952e9566859bc6c03831881805dd5401046e3561e2957
[INFO] testing heng_rs-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate heng_rs 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate heng_rs 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heng_rs 0.1.0
[INFO] finished tweaking crates.io crate heng_rs 0.1.0
[INFO] tweaked toml for crates.io crate heng_rs 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43aed1402433054c801c6f54966fe837cb3acbff92376a935fd3c87d1973ccbb
[INFO] running `Command { std: "docker" "start" "-a" "43aed1402433054c801c6f54966fe837cb3acbff92376a935fd3c87d1973ccbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43aed1402433054c801c6f54966fe837cb3acbff92376a935fd3c87d1973ccbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aed1402433054c801c6f54966fe837cb3acbff92376a935fd3c87d1973ccbb", kill_on_drop: false }`
[INFO] [stdout] 43aed1402433054c801c6f54966fe837cb3acbff92376a935fd3c87d1973ccbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f1d4f2bda7f07be47a9603b46153537ed29f752c8ee2e6eaa275a8833a5fa0
[INFO] running `Command { std: "docker" "start" "-a" "e3f1d4f2bda7f07be47a9603b46153537ed29f752c8ee2e6eaa275a8833a5fa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling heng_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures_util::SinkExt`
[INFO] [stdout]    --> src/lib.rs:51:20
[INFO] [stdout]     |
[INFO] [stdout] 51  | use futures_util::{SinkExt, StreamExt};
[INFO] [stdout]     |                    ^^^^^^^ no `SinkExt` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-util-preview-0.3.0-alpha.19/src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[doc(hidden)] pub use crate::sink::SinkExt;
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `sink` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `current_thread` in `tokio_executor`
[INFO] [stdout]   --> src/lib.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |         tokio_executor::current_thread::spawn(async move {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ could not find `current_thread` in `tokio_executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for mutable reference `&mut UnboundedSender<M>` in the current scope
[INFO] [stdout]   --> src/lib.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         self.0
[INFO] [stdout] 71 | |             .lock()
[INFO] [stdout] 72 | |             .unwrap()
[INFO] [stdout] 73 | |             .tx
[INFO] [stdout] 74 | |             .as_mut()
[INFO] [stdout] 75 | |             .expect("SchedulerSender is None")
[INFO] [stdout] 76 | |             .send(msg)
[INFO] [stdout]    | |             -^^^^ method not found in `&mut UnboundedSender<M>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::Sender` in the current scope
[INFO] [stdout]    --> src/lib.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         inner.tx_sig.send(signal).await
[INFO] [stdout]     |                      ^^^^ help: there is a method with a similar name: `try_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for mutable reference `&mut UnboundedSender<M>` in the current scope
[INFO] [stdout]   --> src/lib.rs:84:65
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _ = sender.lock().unwrap().tx.as_mut().unwrap().send(msg).await;
[INFO] [stdout]    |                                                                 ^^^^ method not found in `&mut UnboundedSender<M>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heng_rs` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3f1d4f2bda7f07be47a9603b46153537ed29f752c8ee2e6eaa275a8833a5fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f1d4f2bda7f07be47a9603b46153537ed29f752c8ee2e6eaa275a8833a5fa0", kill_on_drop: false }`
[INFO] [stdout] e3f1d4f2bda7f07be47a9603b46153537ed29f752c8ee2e6eaa275a8833a5fa0
