[INFO] fetching crate agnostic_async_executor 0.1.0...
[INFO] checking agnostic_async_executor-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate agnostic_async_executor 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate agnostic_async_executor 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate agnostic_async_executor 0.1.0
[INFO] finished tweaking crates.io crate agnostic_async_executor 0.1.0
[INFO] tweaked toml for crates.io crate agnostic_async_executor 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1d8831b2b020add5069cbe220508450509ff57962cc6d9476e32d8861fae0d5
[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" "c1d8831b2b020add5069cbe220508450509ff57962cc6d9476e32d8861fae0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d8831b2b020add5069cbe220508450509ff57962cc6d9476e32d8861fae0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d8831b2b020add5069cbe220508450509ff57962cc6d9476e32d8861fae0d5", kill_on_drop: false }`
[INFO] [stdout] c1d8831b2b020add5069cbe220508450509ff57962cc6d9476e32d8861fae0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af9426b380dec417294ad41f87d205bdbea890ca9f3db63baa1e50533b8325b0
[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" "af9426b380dec417294ad41f87d205bdbea890ca9f3db63baa1e50533b8325b0", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking agnostic_async_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ExecutorInner::*`
[INFO] [stdout]   --> src/agnostic_executor.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use ExecutorInner::*;
[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/agnostic_executor.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | use ExecutorInnerHandle::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> src/agnostic_executor.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `agnostic_async_executor`
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> src/agnostic_executor.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `ExecutorInner::*`
[INFO] [stdout]   --> src/agnostic_executor.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use ExecutorInner::*;
[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/agnostic_executor.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | use ExecutorInnerHandle::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> src/agnostic_executor.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> src/agnostic_executor.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af9426b380dec417294ad41f87d205bdbea890ca9f3db63baa1e50533b8325b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9426b380dec417294ad41f87d205bdbea890ca9f3db63baa1e50533b8325b0", kill_on_drop: false }`
[INFO] [stdout] af9426b380dec417294ad41f87d205bdbea890ca9f3db63baa1e50533b8325b0