[INFO] fetching crate agnostic_async_executor 0.2.2...
[INFO] checking agnostic_async_executor-0.2.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate agnostic_async_executor 0.2.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate agnostic_async_executor 0.2.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8405452f9864f7310948302055a7df541a65ae57f18c9b33fb42d8e451d4ba04
[INFO] running `Command { std: "docker" "start" "-a" "8405452f9864f7310948302055a7df541a65ae57f18c9b33fb42d8e451d4ba04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8405452f9864f7310948302055a7df541a65ae57f18c9b33fb42d8e451d4ba04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8405452f9864f7310948302055a7df541a65ae57f18c9b33fb42d8e451d4ba04", kill_on_drop: false }`
[INFO] [stdout] 8405452f9864f7310948302055a7df541a65ae57f18c9b33fb42d8e451d4ba04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa30a5f3dcbaa07b1e4e88ee1416b9afb2c0ab33794e2bf1849c072a2407555
[INFO] running `Command { std: "docker" "start" "-a" "5aa30a5f3dcbaa07b1e4e88ee1416b9afb2c0ab33794e2bf1849c072a2407555", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking 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] 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] 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] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[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] [stderr] error: could not compile `agnostic_async_executor`
[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] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5aa30a5f3dcbaa07b1e4e88ee1416b9afb2c0ab33794e2bf1849c072a2407555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa30a5f3dcbaa07b1e4e88ee1416b9afb2c0ab33794e2bf1849c072a2407555", kill_on_drop: false }`
[INFO] [stdout] 5aa30a5f3dcbaa07b1e4e88ee1416b9afb2c0ab33794e2bf1849c072a2407555