[INFO] cloning repository https://github.com/sekelsta/herb_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sekelsta/herb_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsekelsta%2Fherb_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsekelsta%2Fherb_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef64ab64885c33a893ad63589ec567ae60c2d58f
[INFO] testing sekelsta/herb_game against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsekelsta%2Fherb_game" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sekelsta/herb_game
[INFO] finished tweaking git repo https://github.com/sekelsta/herb_game
[INFO] tweaked toml for git repo https://github.com/sekelsta/herb_game written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sekelsta/herb_game on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sekelsta/herb_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.28.0
[INFO] [stderr]   Downloaded strum v0.28.0
[INFO] [stderr]   Downloaded rand v0.10.1
[INFO] [stderr]   Downloaded chacha20 v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96
[INFO] running `Command { std: "docker" "start" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.125
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling bumpalo v3.20.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.125
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling strum v0.28.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.125
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.125
[INFO] [stderr]    Compiling herb_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `result_option_map_or_default`
[INFO] [stdout]    --> src/world.rs:132:61
[INFO] [stdout]     |
[INFO] [stdout] 132 |             .min_by_key(|(_, x)| x.search_remainder(params).map_or_default(|x| x.len())).map(|(i, _)| i);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #138099 <https://github.com/rust-lang/rust/issues/138099> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solvent`
[INFO] [stdout]    --> src/potions.rs:112:31
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn potion_name(&self, solvent: &Solvent) -> String {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solvent`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `herb_game` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96", kill_on_drop: false }`
[INFO] [stdout] 96c14a08a26981fb0b82d17b35e8e4220dbb9bc36ca9611abbca0c82eaafcd96
