[INFO] fetching crate heng_rs 0.1.0...
[INFO] testing heng_rs-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate heng_rs 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate heng_rs 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 927ae02a5fd167a63b0aafbe4eb03de089db58be7827e47f871416546c5cbaf2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "927ae02a5fd167a63b0aafbe4eb03de089db58be7827e47f871416546c5cbaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927ae02a5fd167a63b0aafbe4eb03de089db58be7827e47f871416546c5cbaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927ae02a5fd167a63b0aafbe4eb03de089db58be7827e47f871416546c5cbaf2", kill_on_drop: false }`
[INFO] [stdout] 927ae02a5fd167a63b0aafbe4eb03de089db58be7827e47f871416546c5cbaf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae9a5be950a0bc75176fe46b4064d4c8e3ffe76b7a25fc9670df39b0de75b45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ae9a5be950a0bc75176fe46b4064d4c8e3ffe76b7a25fc9670df39b0de75b45", 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 slab v0.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[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] 
[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] 76 |             .send(msg)
[INFO] [stdout]    |              ^^^^ method not found in `&mut UnboundedSender<M>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `futures_channel::mpsc::Sender<Signal>` in the current scope
[INFO] [stdout]    --> src/lib.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         inner.tx_sig.send(signal).await
[INFO] [stdout]     |                      ^^^^ method not found in `futures_channel::mpsc::Sender<Signal>`
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3ae9a5be950a0bc75176fe46b4064d4c8e3ffe76b7a25fc9670df39b0de75b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae9a5be950a0bc75176fe46b4064d4c8e3ffe76b7a25fc9670df39b0de75b45", kill_on_drop: false }`
[INFO] [stdout] 3ae9a5be950a0bc75176fe46b4064d4c8e3ffe76b7a25fc9670df39b0de75b45