[INFO] crate actors 0.1.0 is already in cache
[INFO] testing actors-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate actors 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate actors 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate actors 0.1.0
[INFO] finished tweaking crates.io crate actors 0.1.0
[INFO] tweaked toml for crates.io crate actors 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdcc0467ae7a26744bbbf628461f75182b6bea73d91d652bd07f87e246f2c003
[INFO] running `"docker" "start" "-a" "cdcc0467ae7a26744bbbf628461f75182b6bea73d91d652bd07f87e246f2c003"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling actors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl<Message: Send> Actor<Message> for FnMut(Message) + Send {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Message) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `Message` cannot be sent between threads safely
[INFO] [stderr]   --> src/channel/mod.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct ActorCell<Message, A: Actor<Message>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ `Message` cannot be sent between threads safely
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub trait Actor<Message: Send>: Send {
[INFO] [stderr]    |                          ---- required by this bound in `Actor`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Send` is not implemented for `Message`
[INFO] [stderr] help: consider restricting type parameter `Message`
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct ActorCell<Message: std::marker::Send, A: Actor<Message>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `actors`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cdcc0467ae7a26744bbbf628461f75182b6bea73d91d652bd07f87e246f2c003"`
[INFO] running `"docker" "rm" "-f" "cdcc0467ae7a26744bbbf628461f75182b6bea73d91d652bd07f87e246f2c003"`
[INFO] [stdout] cdcc0467ae7a26744bbbf628461f75182b6bea73d91d652bd07f87e246f2c003