[INFO] updating cached repository https://github.com/amukiza/game-of-life-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d82f1071972b299531a57c8cfa4c575deaf504f7
[INFO] testing amukiza/game-of-life-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famukiza%2Fgame-of-life-rs" "/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/amukiza/game-of-life-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amukiza/game-of-life-rs
[INFO] finished tweaking git repo https://github.com/amukiza/game-of-life-rs
[INFO] tweaked toml for git repo https://github.com/amukiza/game-of-life-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/amukiza/game-of-life-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6decd59b59584e7f0eba7f68948ee837e632ff018018e61964835123ac60d51
[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" "a6decd59b59584e7f0eba7f68948ee837e632ff018018e61964835123ac60d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6decd59b59584e7f0eba7f68948ee837e632ff018018e61964835123ac60d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6decd59b59584e7f0eba7f68948ee837e632ff018018e61964835123ac60d51", kill_on_drop: false }`
[INFO] [stdout] a6decd59b59584e7f0eba7f68948ee837e632ff018018e61964835123ac60d51
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0bb3e0cdeef396f666a686ef7041250b9325a163a9284f76e9016b7288b070
[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" "9c0bb3e0cdeef396f666a686ef7041250b9325a163a9284f76e9016b7288b070", kill_on_drop: false }`
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `std::vec::Vec<game::Cell>` cannot be built from an iterator over elements of type `&game::Cell`
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                .collect();
[INFO] [stdout]    |                 ^^^^^^^ value of type `std::vec::Vec<game::Cell>` cannot be built from `std::iter::Iterator<Item=&game::Cell>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::iter::FromIterator<&game::Cell>` is not implemented for `std::vec::Vec<game::Cell>`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game-of-life`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9c0bb3e0cdeef396f666a686ef7041250b9325a163a9284f76e9016b7288b070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0bb3e0cdeef396f666a686ef7041250b9325a163a9284f76e9016b7288b070", kill_on_drop: false }`
[INFO] [stdout] 9c0bb3e0cdeef396f666a686ef7041250b9325a163a9284f76e9016b7288b070