[INFO] cloning 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" "clone" "--bare" "https://github.com/amukiza/game-of-life-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famukiza%2Fgame-of-life-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famukiza%2Fgame-of-life-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d82f1071972b299531a57c8cfa4c575deaf504f7
[INFO] testing amukiza/game-of-life-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famukiza%2Fgame-of-life-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amukiza/game-of-life-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bddc29cc22f2994fd770dff0747256ce54c5082a64a9d63e35373617d1963156
[INFO] running `Command { std: "docker" "start" "-a" "bddc29cc22f2994fd770dff0747256ce54c5082a64a9d63e35373617d1963156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bddc29cc22f2994fd770dff0747256ce54c5082a64a9d63e35373617d1963156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddc29cc22f2994fd770dff0747256ce54c5082a64a9d63e35373617d1963156", kill_on_drop: false }`
[INFO] [stdout] bddc29cc22f2994fd770dff0747256ce54c5082a64a9d63e35373617d1963156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f73f3b43340b06235d65684c88313a1a4a94961f57866745834594f8673c46f9
[INFO] running `Command { std: "docker" "start" "-a" "f73f3b43340b06235d65684c88313a1a4a94961f57866745834594f8673c46f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `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 `Vec<game::Cell>` cannot be built from `std::iter::Iterator<Item=&game::Cell>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<&game::Cell>` is not implemented for `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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f73f3b43340b06235d65684c88313a1a4a94961f57866745834594f8673c46f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73f3b43340b06235d65684c88313a1a4a94961f57866745834594f8673c46f9", kill_on_drop: false }`
[INFO] [stdout] f73f3b43340b06235d65684c88313a1a4a94961f57866745834594f8673c46f9