[INFO] fetching crate agnostic_async_executor 0.2.2...
[INFO] testing agnostic_async_executor-0.2.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate agnostic_async_executor 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate agnostic_async_executor 0.2.2 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 agnostic_async_executor 0.2.2
[INFO] finished tweaking crates.io crate agnostic_async_executor 0.2.2
[INFO] tweaked toml for crates.io crate agnostic_async_executor 0.2.2 written to /workspace/builds/worker-0-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-signal v0.2.5
[INFO] [stderr]   Downloaded futures-lite v2.1.0
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded async-channel v2.1.1
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded value-bag v1.4.3
[INFO] [stderr]   Downloaded error-code v3.0.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.6
[INFO] [stderr]   Downloaded async-executor v1.8.0
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded async-timer v1.0.0-beta.11
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded async-task v4.7.0
[INFO] [stderr]   Downloaded blocking v1.5.1
[INFO] [stderr]   Downloaded async-io v2.2.2
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded event-listener v4.0.2
[INFO] [stderr]   Downloaded async-lock v3.2.0
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded easy-parallel v3.3.1
[INFO] [stderr]   Downloaded piper v0.2.1
[INFO] [stderr]   Downloaded send_wrapper v0.5.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 67e6969820dccdf992d728bfee6f0667c05a8f504bf84e3b643b1afe662ddecd
[INFO] running `Command { std: "docker" "start" "-a" "67e6969820dccdf992d728bfee6f0667c05a8f504bf84e3b643b1afe662ddecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67e6969820dccdf992d728bfee6f0667c05a8f504bf84e3b643b1afe662ddecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e6969820dccdf992d728bfee6f0667c05a8f504bf84e3b643b1afe662ddecd", kill_on_drop: false }`
[INFO] [stdout] 67e6969820dccdf992d728bfee6f0667c05a8f504bf84e3b643b1afe662ddecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0c2058e3fcf2e23aaf1e8d99ad5ac362830c5b63d1c548c7c1a34ead6d2e524f
[INFO] running `Command { std: "docker" "start" "-a" "0c2058e3fcf2e23aaf1e8d99ad5ac362830c5b63d1c548c7c1a34ead6d2e524f", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling agnostic_async_executor v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]   --> src/executors/local_agnostic_executor.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use futures::task::LocalSpawnExt;
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/executors.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorInnerHandle::*`
[INFO] [stdout]   --> src/executors/agnostic_executor.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use ExecutorInnerHandle::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorInner::*`
[INFO] [stdout]   --> src/executors.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use ExecutorInner::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorInnerHandle::*`
[INFO] [stdout]   --> src/executors.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use ExecutorInnerHandle::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/executors/local_agnostic_executor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LocalExecutorInnerHandle::*`
[INFO] [stdout]   --> src/executors/local_agnostic_executor.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use LocalExecutorInnerHandle::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> src/executors/join_handle.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) enum JoinHandleInner<T> {
[INFO] [stdout]   |                                 ^ unused parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> src/executors/join_handle.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct JoinHandle<T> {
[INFO] [stdout]    |                       ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/executors/agnostic_executor.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |           let inner = match &self.inner {
[INFO] [stdout]    |  _____________________-
[INFO] [stdout] 51 | |             #[cfg(feature = "tokio_executor")]
[INFO] [stdout] 52 | |             TokioHandle(handle) => {
[INFO] [stdout] 53 | |                 JoinHandleInner::<T>::Tokio(handle.spawn(future))
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |             }
[INFO] [stdout] 77 | |         };
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 78 |
[INFO] [stdout] 79 |           JoinHandle{inner}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `JoinHandleInner<T>`
[INFO] [stdout]   --> src/executors/agnostic_executor.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let inner = match &self.inner {
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `inner` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let inner: JoinHandleInner<T> = match &self.inner {
[INFO] [stdout]    |                  ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/executors/agnostic_executor.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 88  |           let inner = match &self.inner {
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 89  | |             #[cfg(feature = "tokio_executor")]
[INFO] [stdout] 90  | |             TokioHandle(handle) => {
[INFO] [stdout] 91  | |                 JoinHandleInner::<T>::Tokio(handle.spawn_blocking(task))
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |             }
[INFO] [stdout] 115 | |         };
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 116 |
[INFO] [stdout] 117 |           JoinHandle{inner}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `JoinHandleInner<T>`
[INFO] [stdout]   --> src/executors/agnostic_executor.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let inner = match &self.inner {
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `inner` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let inner: JoinHandleInner<T> = match &self.inner {
[INFO] [stdout]    |                  ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/executors/local_agnostic_executor.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |           let inner = match &self.inner {
[INFO] [stdout]    |  _____________________-
[INFO] [stdout] 55 | |             #[cfg(feature = "tokio_executor")]
[INFO] [stdout] 56 | |             TokioHandle => {
[INFO] [stdout] 57 | |                 JoinHandleInner::<T>::Tokio(tokio::task::spawn_local(future))
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |             }
[INFO] [stdout] 81 | |         };
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 82 |
[INFO] [stdout] 83 |           JoinHandle{inner}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `JoinHandleInner<T>`
[INFO] [stdout]   --> src/executors/local_agnostic_executor.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let inner = match &self.inner {
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `inner` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let inner: JoinHandleInner<T> = match &self.inner {
[INFO] [stdout]    |                  ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `agnostic_async_executor` (lib) due to 7 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0c2058e3fcf2e23aaf1e8d99ad5ac362830c5b63d1c548c7c1a34ead6d2e524f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2058e3fcf2e23aaf1e8d99ad5ac362830c5b63d1c548c7c1a34ead6d2e524f", kill_on_drop: false }`
[INFO] [stdout] 0c2058e3fcf2e23aaf1e8d99ad5ac362830c5b63d1c548c7c1a34ead6d2e524f
