[INFO] updating cached repository https://github.com/PhdTrollSlayer/funcional_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 565179c3f8b529eba0974cdca7f7c43794506d4c
[INFO] checking PhdTrollSlayer/funcional_rust against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhdTrollSlayer%2Ffuncional_rust" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhdTrollSlayer/funcional_rust on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PhdTrollSlayer/funcional_rust
[INFO] finished tweaking git repo https://github.com/PhdTrollSlayer/funcional_rust
[INFO] tweaked toml for git repo https://github.com/PhdTrollSlayer/funcional_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/PhdTrollSlayer/funcional_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 13397e317e0fa88115f704ad0aff0e3ad99675d510001a0e70e048722a9ebf08
[INFO] running `"docker" "start" "-a" "13397e317e0fa88115f704ad0aff0e3ad99675d510001a0e70e048722a9ebf08"`
[INFO] [stderr]     Checking func v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `impostos`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let impostos: Vec<f32> = arr.iter().map(|ele| calcular_impostos(ele)).collect();
[INFO] [stderr]   |         ^^^^^^^^ help: consider prefixing with an underscore: `_impostos`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pares`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let pares: Vec<f32> = arr
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_pares`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_one_v2`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let add_one_v2 = |x: u32| -> u32 { x + 1 };
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_add_one_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plus_two`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let plus_two = |x| {
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_plus_two`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let ret = recebe_func(|x| x * 2, 6);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let result = divide_por_dois(32.0);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_one_v1`
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn add_one_v1(x: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `impostos`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let impostos: Vec<f32> = arr.iter().map(|ele| calcular_impostos(ele)).collect();
[INFO] [stderr]   |         ^^^^^^^^ help: consider prefixing with an underscore: `_impostos`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pares`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let pares: Vec<f32> = arr
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_pares`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_one_v2`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let add_one_v2 = |x: u32| -> u32 { x + 1 };
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_add_one_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plus_two`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let plus_two = |x| {
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_plus_two`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let ret = recebe_func(|x| x * 2, 6);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let result = divide_por_dois(32.0);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "13397e317e0fa88115f704ad0aff0e3ad99675d510001a0e70e048722a9ebf08"`
[INFO] running `"docker" "rm" "-f" "13397e317e0fa88115f704ad0aff0e3ad99675d510001a0e70e048722a9ebf08"`
[INFO] [stdout] 13397e317e0fa88115f704ad0aff0e3ad99675d510001a0e70e048722a9ebf08