[INFO] cloning repository https://github.com/technocreatives/hello-rustfest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/technocreatives/hello-rustfest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnocreatives%2Fhello-rustfest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnocreatives%2Fhello-rustfest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31d50064debf086483f05af474f5138f664df341
[INFO] checking technocreatives/hello-rustfest against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnocreatives%2Fhello-rustfest" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/technocreatives/hello-rustfest on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/technocreatives/hello-rustfest
[INFO] finished tweaking git repo https://github.com/technocreatives/hello-rustfest
[INFO] tweaked toml for git repo https://github.com/technocreatives/hello-rustfest written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/technocreatives/hello-rustfest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f9a5b99957bd276f43ec41fccc6a4a95d70f0a346176d6a6425436b79c10cc
[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" "49f9a5b99957bd276f43ec41fccc6a4a95d70f0a346176d6a6425436b79c10cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f9a5b99957bd276f43ec41fccc6a4a95d70f0a346176d6a6425436b79c10cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f9a5b99957bd276f43ec41fccc6a4a95d70f0a346176d6a6425436b79c10cc", kill_on_drop: false }`
[INFO] [stdout] 49f9a5b99957bd276f43ec41fccc6a4a95d70f0a346176d6a6425436b79c10cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2539dc17294a67dc7c489b49be436853c42d836b4f545e1e068ddbbdfb04975d
[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" "2539dc17294a67dc7c489b49be436853c42d836b4f545e1e068ddbbdfb04975d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hello-rustfest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `you`
[INFO] [stdout]   --> src/lib.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub async fn apply_for_a_job<'a>(you: &'a Person, job: Role) -> Result<Interview, Error> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_you`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `you`
[INFO] [stdout]   --> src/lib.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub async fn apply_for_a_job<'a>(you: &'a Person, job: Role) -> Result<Interview, Error> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_you`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/lib.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub async fn apply_for_a_job<'a>(you: &'a Person, job: Role) -> Result<Interview, Error> {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `you`
[INFO] [stdout]   --> src/lib.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub async fn hire_us<'a, 'cool>(you: &'a Company, project: &'cool Project) -> Result<Success, RetryToken> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_you`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]   --> src/lib.rs:45:51
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub async fn hire_us<'a, 'cool>(you: &'a Company, project: &'cool Project) -> Result<Success, RetryToken> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> src/lib.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 | async fn fill_out(url: &str) -> Result<ApplicationResponse, Error> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/lib.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 | async fn pick_from(res: ApplicationResponse) -> Result<Assigment, Error> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsAtRustFest`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) enum UsAtRustFest {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/lib.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub async fn apply_for_a_job<'a>(you: &'a Person, job: Role) -> Result<Interview, Error> {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `you`
[INFO] [stdout]   --> src/lib.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub async fn hire_us<'a, 'cool>(you: &'a Company, project: &'cool Project) -> Result<Success, RetryToken> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_you`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]   --> src/lib.rs:45:51
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub async fn hire_us<'a, 'cool>(you: &'a Company, project: &'cool Project) -> Result<Success, RetryToken> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> src/lib.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 | async fn fill_out(url: &str) -> Result<ApplicationResponse, Error> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/lib.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 | async fn pick_from(res: ApplicationResponse) -> Result<Assigment, Error> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsAtRustFest`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) enum UsAtRustFest {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "2539dc17294a67dc7c489b49be436853c42d836b4f545e1e068ddbbdfb04975d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2539dc17294a67dc7c489b49be436853c42d836b4f545e1e068ddbbdfb04975d", kill_on_drop: false }`
[INFO] [stdout] 2539dc17294a67dc7c489b49be436853c42d836b4f545e1e068ddbbdfb04975d