[INFO] cloning repository https://github.com/jaybutera/fast-hashgraph [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaybutera/fast-hashgraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaybutera%2Ffast-hashgraph", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaybutera%2Ffast-hashgraph'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0d883b667cd7818a9828dd8bada92c249296a743 [INFO] checking jaybutera/fast-hashgraph against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaybutera%2Ffast-hashgraph" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaybutera/fast-hashgraph on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jaybutera/fast-hashgraph [INFO] finished tweaking git repo https://github.com/jaybutera/fast-hashgraph [INFO] tweaked toml for git repo https://github.com/jaybutera/fast-hashgraph written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/jaybutera/fast-hashgraph already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5f91f1eda980008a76ffda4437ef7af52384109d23d89f206c833aece574c40 [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" "b5f91f1eda980008a76ffda4437ef7af52384109d23d89f206c833aece574c40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5f91f1eda980008a76ffda4437ef7af52384109d23d89f206c833aece574c40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5f91f1eda980008a76ffda4437ef7af52384109d23d89f206c833aece574c40", kill_on_drop: false }` [INFO] [stdout] b5f91f1eda980008a76ffda4437ef7af52384109d23d89f206c833aece574c40 [INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5fb024c4c2879729211f1c23db7c210c6306762f58e0446b1be63213194bf0b [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" "c5fb024c4c2879729211f1c23db7c210c6306762f58e0446b1be63213194bf0b", kill_on_drop: false }` [INFO] [stderr] Checking hashgraph-poc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0601]: `main` function not found in crate `hashgraph_poc` [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use std::collections::HashSet; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | type EventId = usize; [INFO] [stdout] 4 | | type PeerId = usize; [INFO] [stdout] ... | [INFO] [stdout] 361 | | } [INFO] [stdout] 362 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/main.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hashgraph-poc` [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] warning: struct is never constructed: `Generation` [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Generation { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reachability_matrix` [INFO] [stdout] --> src/main.rs:281:8 [INFO] [stdout] | [INFO] [stdout] 281 | fn reachability_matrix(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c5fb024c4c2879729211f1c23db7c210c6306762f58e0446b1be63213194bf0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5fb024c4c2879729211f1c23db7c210c6306762f58e0446b1be63213194bf0b", kill_on_drop: false }` [INFO] [stdout] c5fb024c4c2879729211f1c23db7c210c6306762f58e0446b1be63213194bf0b