[INFO] cloning repository https://github.com/SigSeg-V/zero_to_prod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SigSeg-V/zero_to_prod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigSeg-V%2Fzero_to_prod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigSeg-V%2Fzero_to_prod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85a05debe0fd210b08b03bc13139f5fa19a53e7d
[INFO] checking SigSeg-V/zero_to_prod against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSigSeg-V%2Fzero_to_prod" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SigSeg-V/zero_to_prod on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SigSeg-V/zero_to_prod
[INFO] finished tweaking git repo https://github.com/SigSeg-V/zero_to_prod
[INFO] tweaked toml for git repo https://github.com/SigSeg-V/zero_to_prod written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SigSeg-V/zero_to_prod 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking zero_to_prod v0.1.0 (/opt/rustwide/workdir/zero_to_prod)
[INFO] [stderr]     Checking tide-testing v0.1.3
[INFO] [stdout] warning: unused import: `async_std::prelude::FutureExt`
[INFO] [stdout]  --> zero_to_prod/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_std::prelude::FutureExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tide::prelude::*`
[INFO] [stdout]  --> zero_to_prod/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tide::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> zero_to_prod/src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub async fn run(timeout: Duration) -> tide::Result<()> {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[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]   --> zero_to_prod/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut app = setup_app();
[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: unused variable: `request`
[INFO] [stdout]   --> zero_to_prod/src/lib.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub async fn health_check(request: Request<()>) -> tide::Result<> {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused imports: `greeting`, `health_check`
[INFO] [stdout]  --> server/src/main.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use zero_to_prod::{greeting, health_check};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `greeting`, `health_check`
[INFO] [stdout]  --> server/src/main.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use zero_to_prod::{greeting, health_check};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::prelude::FutureExt`
[INFO] [stdout]  --> zero_to_prod/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_std::prelude::FutureExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tide::prelude::*`
[INFO] [stdout]  --> zero_to_prod/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tide::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> zero_to_prod/src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub async fn run(timeout: Duration) -> tide::Result<()> {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[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]   --> zero_to_prod/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut app = setup_app();
[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: unused variable: `request`
[INFO] [stdout]   --> zero_to_prod/src/lib.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub async fn health_check(request: Request<()>) -> tide::Result<> {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> zero_to_prod/tests/health_check.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.56s
[INFO] running `Command { std: "docker" "inspect" "c8d292036ff81c97a52dfee7dc949177ada388e131a46bfe1ac6acf1a58a053a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d292036ff81c97a52dfee7dc949177ada388e131a46bfe1ac6acf1a58a053a", kill_on_drop: false }`
[INFO] [stdout] c8d292036ff81c97a52dfee7dc949177ada388e131a46bfe1ac6acf1a58a053a