[INFO] cloning repository https://github.com/doddydigitaldesign/rust_utils
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doddydigitaldesign/rust_utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoddydigitaldesign%2Frust_utils"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoddydigitaldesign%2Frust_utils'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e222fed9bf3a3ba5cd44723207b285aa8b4fde7
[INFO] checking doddydigitaldesign/rust_utils against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoddydigitaldesign%2Frust_utils" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doddydigitaldesign/rust_utils on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/doddydigitaldesign/rust_utils
[INFO] finished tweaking git repo https://github.com/doddydigitaldesign/rust_utils
[INFO] tweaked toml for git repo https://github.com/doddydigitaldesign/rust_utils written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/doddydigitaldesign/rust_utils already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b36b9b9d914e0ee04b767ef8673bfbb8ad83193b2aa59897675fe50b5a2d9908
[INFO] running `"docker" "start" "-a" "b36b9b9d914e0ee04b767ef8673bfbb8ad83193b2aa59897675fe50b5a2d9908"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rust_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/main.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn my_middleware(state: &State, action: &ActionType) {};
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/main.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn my_middleware(state: &State, action: &ActionType) {};
[INFO] [stderr]    |                                     ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `apply_middleware`
[INFO] [stderr]   --> src/lib/store_utils/store.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn apply_middleware(&mut self, middleware: Middleware<S, A>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `replace_reducer`
[INFO] [stderr]   --> src/lib/store_utils/store.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn replace_reducer(&mut self, new_reducer: ReducerFunction<S, A>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `my_middleware`
[INFO] [stderr]   --> src/main.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn my_middleware(state: &State, action: &ActionType) {};
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/main.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn my_middleware(state: &State, action: &ActionType) {};
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/main.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn my_middleware(state: &State, action: &ActionType) {};
[INFO] [stderr]    |                                     ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `apply_middleware`
[INFO] [stderr]   --> src/lib/store_utils/store.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn apply_middleware(&mut self, middleware: Middleware<S, A>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `replace_reducer`
[INFO] [stderr]   --> src/lib/store_utils/store.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn replace_reducer(&mut self, new_reducer: ReducerFunction<S, A>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "b36b9b9d914e0ee04b767ef8673bfbb8ad83193b2aa59897675fe50b5a2d9908"`
[INFO] running `"docker" "rm" "-f" "b36b9b9d914e0ee04b767ef8673bfbb8ad83193b2aa59897675fe50b5a2d9908"`
[INFO] [stdout] b36b9b9d914e0ee04b767ef8673bfbb8ad83193b2aa59897675fe50b5a2d9908