[INFO] fetching crate game_features 0.2.0...
[INFO] checking game_features-0.2.0 against beta for pr-78714
[INFO] extracting crate game_features 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate game_features 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game_features 0.2.0
[INFO] finished tweaking crates.io crate game_features 0.2.0
[INFO] tweaked toml for crates.io crate game_features 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83d37dbbe5b6f869a850351bbd08e057bf5a70465a177acf01c4f7e2212796fd
[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" "83d37dbbe5b6f869a850351bbd08e057bf5a70465a177acf01c4f7e2212796fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83d37dbbe5b6f869a850351bbd08e057bf5a70465a177acf01c4f7e2212796fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d37dbbe5b6f869a850351bbd08e057bf5a70465a177acf01c4f7e2212796fd", kill_on_drop: false }`
[INFO] [stdout] 83d37dbbe5b6f869a850351bbd08e057bf5a70465a177acf01c4f7e2212796fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a3fbb74ca86a820704686babfd0ba1295c78b148392db845318bb6e20e9dfa
[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" "43a3fbb74ca86a820704686babfd0ba1295c78b148392db845318bb6e20e9dfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking partial_function v0.4.0
[INFO] [stderr]     Checking roman v0.1.6
[INFO] [stderr]     Checking dirty v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking ron v0.2.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking game_features v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/item.rs:666:28
[INFO] [stdout]     |
[INFO] [stdout] 666 |             .maximum_stack(16)
[INFO] [stdout]     |                            ^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected enum `std::option::Option`, found integer
[INFO] [stdout]     |                            help: try using a variant of the expected enum: `serde::export::Some(16)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::option::Option<usize>`
[INFO] [stdout]                found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/faction.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn claim_from(&mut self, other: &mut Faction, settings: &FactionSettings) -> FactionResult {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]   --> src/faction.rs:11:55
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn claim_from(&mut self, other: &mut Faction, settings: &FactionSettings) -> FactionResult {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with_overflow`
[INFO] [stdout]    --> src/item.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         with_overflow: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with_overflow`
[INFO] [stdout]    --> src/item.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         with_overflow: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game_features`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "43a3fbb74ca86a820704686babfd0ba1295c78b148392db845318bb6e20e9dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a3fbb74ca86a820704686babfd0ba1295c78b148392db845318bb6e20e9dfa", kill_on_drop: false }`
[INFO] [stdout] 43a3fbb74ca86a820704686babfd0ba1295c78b148392db845318bb6e20e9dfa