[INFO] fetching crate veccentric 0.2.0...
[INFO] checking veccentric-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate veccentric 0.2.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate veccentric 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate veccentric 0.2.0
[INFO] finished tweaking crates.io crate veccentric 0.2.0
[INFO] tweaked toml for crates.io crate veccentric 0.2.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate veccentric 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96fb50dde71a56b708cde7e094ac0743003cbb3e6c318817184ffd3f99e2541e
[INFO] running `Command { std: "docker" "start" "-a" "96fb50dde71a56b708cde7e094ac0743003cbb3e6c318817184ffd3f99e2541e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fb50dde71a56b708cde7e094ac0743003cbb3e6c318817184ffd3f99e2541e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fb50dde71a56b708cde7e094ac0743003cbb3e6c318817184ffd3f99e2541e", kill_on_drop: false }`
[INFO] [stdout] 96fb50dde71a56b708cde7e094ac0743003cbb3e6c318817184ffd3f99e2541e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655a3620ca5366e62c3e0cea5c7f35936dc5031ea91015c8698fb5d1d55274a8
[INFO] running `Command { std: "docker" "start" "-a" "655a3620ca5366e62c3e0cea5c7f35936dc5031ea91015c8698fb5d1d55274a8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror-impl v1.0.26
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[INFO] [stdout] error[E0601]: `main` function not found in crate `engine`
[INFO] [stdout]    --> examples/engine.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![allow(dead_code)]
[INFO] [stdout] 2   | | use veccentric::Fecc;
[INFO] [stdout] 3   | |
[INFO] [stdout] 4   | | use std::time::Instant;
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |         .unwrap_or_else(|| "veccentric".to_string())
[INFO] [stdout] 147 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `examples/engine.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 `veccentric` 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" "655a3620ca5366e62c3e0cea5c7f35936dc5031ea91015c8698fb5d1d55274a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655a3620ca5366e62c3e0cea5c7f35936dc5031ea91015c8698fb5d1d55274a8", kill_on_drop: false }`
[INFO] [stdout] 655a3620ca5366e62c3e0cea5c7f35936dc5031ea91015c8698fb5d1d55274a8