[INFO] crate panda 0.2.1 is already in cache [INFO] checking panda-0.2.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872 [INFO] extracting crate panda 0.2.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate panda 0.2.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate panda 0.2.1 [INFO] finished tweaking crates.io crate panda 0.2.1 [INFO] tweaked toml for crates.io crate panda 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate panda 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ef5fc117f2a5980f618520257a88b78a9b07cb37d5fc00579cdc18e7d74feefb [INFO] running `"docker" "start" "-a" "ef5fc117f2a5980f618520257a88b78a9b07cb37d5fc00579cdc18e7d74feefb"` [INFO] [stderr] Compiling curl v0.4.26 [INFO] [stderr] Compiling isahc v0.9.0 [INFO] [stderr] Compiling curl-sys v0.4.28+curl-7.69.0 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Checking libz-sys v1.0.25 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking libnghttp2-sys v0.1.3 [INFO] [stderr] Checking webpki v0.21.2 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking tungstenite v0.10.1 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling serde_repr v0.1.5 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking sluice v0.5.2 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking async-tls v0.6.0 [INFO] [stderr] Checking async-tungstenite v0.4.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking panda v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: could not find `main` in `async_std` [INFO] [stderr] --> examples/ping_pong.rs:1:14 [INFO] [stderr] | [INFO] [stderr] 1 | #[async_std::main] [INFO] [stderr] | ^^^^ could not find `main` in `async_std` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `main` in `async_std` [INFO] [stderr] --> examples/embed.rs:7:14 [INFO] [stderr] | [INFO] [stderr] 7 | #[async_std::main] [INFO] [stderr] | ^^^^ could not find `main` in `async_std` [INFO] [stderr] [INFO] [stderr] error[E0277]: `main` has invalid return type `impl std::future::Future` [INFO] [stderr] --> examples/embed.rs:8:20 [INFO] [stderr] | [INFO] [stderr] 8 | async fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` can only return types that implement `std::process::Termination` [INFO] [stderr] | [INFO] [stderr] = help: consider using `()`, or a `Result` [INFO] [stderr] [INFO] [stderr] error[E0277]: `main` has invalid return type `impl std::future::Future` [INFO] [stderr] --> examples/ping_pong.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | async fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` can only return types that implement `std::process::Termination` [INFO] [stderr] | [INFO] [stderr] = help: consider using `()`, or a `Result` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `panda`. [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: could not compile `panda`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ef5fc117f2a5980f618520257a88b78a9b07cb37d5fc00579cdc18e7d74feefb"` [INFO] running `"docker" "rm" "-f" "ef5fc117f2a5980f618520257a88b78a9b07cb37d5fc00579cdc18e7d74feefb"` [INFO] [stdout] ef5fc117f2a5980f618520257a88b78a9b07cb37d5fc00579cdc18e7d74feefb