[INFO] updating cached repository https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de4d1ad4492bf59a01593a235f8b86880857fbe6
[INFO] checking Frando/hypercore-protocol-rust-experiments against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frando/hypercore-protocol-rust-experiments on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] finished tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] tweaked toml for git repo https://github.com/Frando/hypercore-protocol-rust-experiments written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
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[INFO] [stderr]     Updating git repository `https://github.com/Frando/snow.git`
[INFO] [stderr]     Updating git repository `https://github.com/bltavares/hypercore`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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.
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[INFO] running `"docker" "start" "-a" "f2c9c4d9b5df7d4d64dee2b6637e8036fff8615aeace577346e09edf4b164c20"`
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[INFO] [stderr] error[E0601]: `main` function not found in crate `util`
[INFO] [stderr]   --> examples/util.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / use async_std::net::{TcpListener, TcpStream};
[INFO] [stderr] 2  | | use async_std::prelude::*;
[INFO] [stderr] 3  | | use async_std::task;
[INFO] [stderr] 4  | | use env_logger::Env;
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     onconnection(stream, true, context).await
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/util.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `hypercore-protocol`.
[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[E0603]: module `handshake` is private
[INFO] [stderr]   --> examples/noise.rs:3:25
[INFO] [stderr]    |
[INFO] [stderr] 3  | use hypercore_protocol::handshake;
[INFO] [stderr]    |                         ^^^^^^^^^ private module
[INFO] [stderr]    |
[INFO] [stderr] note: the module `handshake` is defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | mod handshake;
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: could not compile `hypercore-protocol`.
[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: build failed
[INFO] running `"docker" "inspect" "f2c9c4d9b5df7d4d64dee2b6637e8036fff8615aeace577346e09edf4b164c20"`
[INFO] running `"docker" "rm" "-f" "f2c9c4d9b5df7d4d64dee2b6637e8036fff8615aeace577346e09edf4b164c20"`
[INFO] [stdout] f2c9c4d9b5df7d4d64dee2b6637e8036fff8615aeace577346e09edf4b164c20