[INFO] cloning repository https://github.com/wperesdev/rust-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wperesdev/rust-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwperesdev%2Frust-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwperesdev%2Frust-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf88472e86bd20a3c3029ce91dd8e26a72e7a799
[INFO] checking wperesdev/rust-course against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwperesdev%2Frust-course" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wperesdev/rust-course
[INFO] finished tweaking git repo https://github.com/wperesdev/rust-course
[INFO] tweaked toml for git repo https://github.com/wperesdev/rust-course written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wperesdev/rust-course on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wperesdev/rust-course 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5692e4d3f0c5bde675545b8f43447ed32d0defefe265f117b9fd7617674ba9e6
[INFO] running `Command { std: "docker" "start" "-a" "5692e4d3f0c5bde675545b8f43447ed32d0defefe265f117b9fd7617674ba9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5692e4d3f0c5bde675545b8f43447ed32d0defefe265f117b9fd7617674ba9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5692e4d3f0c5bde675545b8f43447ed32d0defefe265f117b9fd7617674ba9e6", kill_on_drop: false }`
[INFO] [stdout] 5692e4d3f0c5bde675545b8f43447ed32d0defefe265f117b9fd7617674ba9e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7ddaea9a418bf617ebfd54d097d9e250775243a7d34a3fdc5940e2aa4ed1182
[INFO] running `Command { std: "docker" "start" "-a" "e7ddaea9a418bf617ebfd54d097d9e250775243a7d34a3fdc5940e2aa4ed1182", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/aula9/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_a`
[INFO] [stdout]  --> src/aula12/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_b`
[INFO] [stdout]  --> src/aula12/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dobro` is never used
[INFO] [stdout]  --> src/aula10/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dobro(num: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dobro` is never used
[INFO] [stdout]  --> src/aula10/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dobro(num: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_a`
[INFO] [stdout]  --> src/aula12/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_b`
[INFO] [stdout]  --> src/aula12/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/aula9/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]  --> src/aula16/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 7 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]  --> src/aula16/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 7 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_a`
[INFO] [stdout]  --> src/aula11/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_b`
[INFO] [stdout]  --> src/aula11/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_a`
[INFO] [stdout]  --> src/aula11/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par_b`
[INFO] [stdout]  --> src/aula11/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn alguma_fn(par_a: f32, par_b: f32) -> f32 {
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_par_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "e7ddaea9a418bf617ebfd54d097d9e250775243a7d34a3fdc5940e2aa4ed1182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ddaea9a418bf617ebfd54d097d9e250775243a7d34a3fdc5940e2aa4ed1182", kill_on_drop: false }`
[INFO] [stdout] e7ddaea9a418bf617ebfd54d097d9e250775243a7d34a3fdc5940e2aa4ed1182