[INFO] cloning repository https://github.com/Andersonfrfilho/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Andersonfrfilho/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonfrfilho%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonfrfilho%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d516097c4ad0d506e657d694433e53429debf7
[INFO] checking Andersonfrfilho/rust-study against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonfrfilho%2Frust-study" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Andersonfrfilho/rust-study
[INFO] finished tweaking git repo https://github.com/Andersonfrfilho/rust-study
[INFO] tweaked toml for git repo https://github.com/Andersonfrfilho/rust-study written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Andersonfrfilho/rust-study on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Andersonfrfilho/rust-study 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d00f81ecaa7441fbef57fe9409dfcc8793ec1ba2fe76be861f10a1f108a2be
[INFO] running `Command { std: "docker" "start" "-a" "c3d00f81ecaa7441fbef57fe9409dfcc8793ec1ba2fe76be861f10a1f108a2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d00f81ecaa7441fbef57fe9409dfcc8793ec1ba2fe76be861f10a1f108a2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d00f81ecaa7441fbef57fe9409dfcc8793ec1ba2fe76be861f10a1f108a2be", kill_on_drop: false }`
[INFO] [stdout] c3d00f81ecaa7441fbef57fe9409dfcc8793ec1ba2fe76be861f10a1f108a2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a04a20f9e2204b7ad38797834df71d194822b5941959b95c474df1cf8b7962f
[INFO] running `Command { std: "docker" "start" "-a" "7a04a20f9e2204b7ad38797834df71d194822b5941959b95c474df1cf8b7962f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dia`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let dia: DiaDaSemana = DiaDaSemana::Sexta;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dia`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `caminho_arquivo`
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn ler_arquivo(caminho_arquivo: String) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_caminho_arquivo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dia`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let dia: DiaDaSemana = DiaDaSemana::Sexta;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_dia`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut notasTwo: Vec<f32> = vec![10.0, 8.0, 6.5];
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut notasWithCapacity: Vec<f32> = Vec::with_capacity(4);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Domingo`, `Segunda`, `Terca`, `Quinta`, and `Sabado` are never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum DiaDaSemana {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 27 |     Domingo,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     Segunda,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     Terca,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Quarta,
[INFO] [stdout] 31 |     Quinta,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Sexta,
[INFO] [stdout] 33 |     Sabado,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `caminho_arquivo`
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn ler_arquivo(caminho_arquivo: String) -> Option<String> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_caminho_arquivo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasSecond` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let notasSecond: [f32; 4] = [6.5; 4];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `notas_second`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasTwo` should have a snake case name
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut notasTwo: Vec<f32> = vec![10.0, 8.0, 6.5];
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `notas_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasWithCapacity` should have a snake case name
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut notasWithCapacity: Vec<f32> = Vec::with_capacity(4);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notas_with_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut notasTwo: Vec<f32> = vec![10.0, 8.0, 6.5];
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut notasWithCapacity: Vec<f32> = Vec::with_capacity(4);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Domingo`, `Segunda`, `Terca`, `Quinta`, and `Sabado` are never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum DiaDaSemana {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 27 |     Domingo,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     Segunda,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     Terca,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Quarta,
[INFO] [stdout] 31 |     Quinta,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Sexta,
[INFO] [stdout] 33 |     Sabado,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasSecond` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let notasSecond: [f32; 4] = [6.5; 4];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `notas_second`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasTwo` should have a snake case name
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut notasTwo: Vec<f32> = vec![10.0, 8.0, 6.5];
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `notas_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `notasWithCapacity` should have a snake case name
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut notasWithCapacity: Vec<f32> = Vec::with_capacity(4);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notas_with_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7a04a20f9e2204b7ad38797834df71d194822b5941959b95c474df1cf8b7962f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a04a20f9e2204b7ad38797834df71d194822b5941959b95c474df1cf8b7962f", kill_on_drop: false }`
[INFO] [stdout] 7a04a20f9e2204b7ad38797834df71d194822b5941959b95c474df1cf8b7962f
