[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaybutera%2Ffast-hashgraph" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaybutera/fast-hashgraph on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab1507f0c69e71463133ccdaa9aafc7b9291a9c7ff79f28cbd436061049b9dc
[INFO] running `Command { std: "docker" "start" "-a" "1ab1507f0c69e71463133ccdaa9aafc7b9291a9c7ff79f28cbd436061049b9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab1507f0c69e71463133ccdaa9aafc7b9291a9c7ff79f28cbd436061049b9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab1507f0c69e71463133ccdaa9aafc7b9291a9c7ff79f28cbd436061049b9dc", kill_on_drop: false }`
[INFO] [stdout] 1ab1507f0c69e71463133ccdaa9aafc7b9291a9c7ff79f28cbd436061049b9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a391de560395d4b1077dcac2a022d4975e871db3ca977f8cefc23e6210663abc
[INFO] running `Command { std: "docker" "start" "-a" "a391de560395d4b1077dcac2a022d4975e871db3ca977f8cefc23e6210663abc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a391de560395d4b1077dcac2a022d4975e871db3ca977f8cefc23e6210663abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a391de560395d4b1077dcac2a022d4975e871db3ca977f8cefc23e6210663abc", kill_on_drop: false }`
[INFO] [stdout] a391de560395d4b1077dcac2a022d4975e871db3ca977f8cefc23e6210663abc