[INFO] fetching crate game_features 0.4.0...
[INFO] checking game_features-0.4.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate game_features 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate game_features 0.4.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game_features 0.4.0
[INFO] finished tweaking crates.io crate game_features 0.4.0
[INFO] tweaked toml for crates.io crate game_features 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e197039a7399e02e5dd6b632c5b9ce604b7b29be95227e36f0dc181868f950c5
[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" "e197039a7399e02e5dd6b632c5b9ce604b7b29be95227e36f0dc181868f950c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e197039a7399e02e5dd6b632c5b9ce604b7b29be95227e36f0dc181868f950c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e197039a7399e02e5dd6b632c5b9ce604b7b29be95227e36f0dc181868f950c5", kill_on_drop: false }`
[INFO] [stdout] e197039a7399e02e5dd6b632c5b9ce604b7b29be95227e36f0dc181868f950c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf5bfec97df1982ebaac5ae3cdf72da34b460c28124cbe2d5873a38725aa9c2
[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" "caf5bfec97df1982ebaac5ae3cdf72da34b460c28124cbe2d5873a38725aa9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking itoa v0.4.7
[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 syn v1.0.64
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking ron v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking game_features v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/faction.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     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:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 |     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:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         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: `other`
[INFO] [stdout]   --> src/faction.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     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:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 |     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:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         with_overflow: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.05s
[INFO] running `Command { std: "docker" "inspect" "caf5bfec97df1982ebaac5ae3cdf72da34b460c28124cbe2d5873a38725aa9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf5bfec97df1982ebaac5ae3cdf72da34b460c28124cbe2d5873a38725aa9c2", kill_on_drop: false }`
[INFO] [stdout] caf5bfec97df1982ebaac5ae3cdf72da34b460c28124cbe2d5873a38725aa9c2