[INFO] cloning repository https://github.com/gabrielpetersson/ant-wars-webassembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrielpetersson/ant-wars-webassembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpetersson%2Fant-wars-webassembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpetersson%2Fant-wars-webassembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3ecaf923f07c7ccce79b0b77f31f5c3531ed504
[INFO] testing gabrielpetersson/ant-wars-webassembly against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielpetersson%2Fant-wars-webassembly" "/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/gabrielpetersson/ant-wars-webassembly on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabrielpetersson/ant-wars-webassembly
[INFO] finished tweaking git repo https://github.com/gabrielpetersson/ant-wars-webassembly
[INFO] tweaked toml for git repo https://github.com/gabrielpetersson/ant-wars-webassembly written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gabrielpetersson/ant-wars-webassembly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59f06e149b43f948f2f623751ddf57f804d6c0bfbbcb4cdaeefbd0f1b08f276
[INFO] running `Command { std: "docker" "start" "-a" "b59f06e149b43f948f2f623751ddf57f804d6c0bfbbcb4cdaeefbd0f1b08f276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59f06e149b43f948f2f623751ddf57f804d6c0bfbbcb4cdaeefbd0f1b08f276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59f06e149b43f948f2f623751ddf57f804d6c0bfbbcb4cdaeefbd0f1b08f276", kill_on_drop: false }`
[INFO] [stdout] b59f06e149b43f948f2f623751ddf57f804d6c0bfbbcb4cdaeefbd0f1b08f276
[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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f02a3bb10638970a06c7d780628abfaab3d197c9b105a8a0e393f0582daebb
[INFO] running `Command { std: "docker" "start" "-a" "25f02a3bb10638970a06c7d780628abfaab3d197c9b105a8a0e393f0582daebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling js-sys v0.3.50
[INFO] [stderr]    Compiling web-sys v0.3.50
[INFO] [stderr]    Compiling ant-wars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `next` exists for mutable reference `&mut Ant`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             ant.next();
[INFO] [stdout]    |                 ^^^^ method cannot be called on `&mut Ant` due to unsatisfied trait bounds
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ant.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Ant {
[INFO] [stdout]    | -------------- doesn't satisfy `Ant: Iterator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Ant: Iterator`
[INFO] [stdout]            which is required by `&mut Ant: Iterator`
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Iterator`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ant-wars` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "25f02a3bb10638970a06c7d780628abfaab3d197c9b105a8a0e393f0582daebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f02a3bb10638970a06c7d780628abfaab3d197c9b105a8a0e393f0582daebb", kill_on_drop: false }`
[INFO] [stdout] 25f02a3bb10638970a06c7d780628abfaab3d197c9b105a8a0e393f0582daebb