[INFO] fetching crate duckduckgo_search 0.1.3...
[INFO] building duckduckgo_search-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate duckduckgo_search 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate duckduckgo_search 0.1.3
[INFO] finished tweaking crates.io crate duckduckgo_search 0.1.3
[INFO] tweaked toml for crates.io crate duckduckgo_search 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate duckduckgo_search 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate duckduckgo_search 0.1.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcdb7dd404f9a4fc4f00c956c7a975f3e0eeff747b1d6649481f4d6515dec5a
[INFO] running `Command { std: "docker" "start" "-a" "9fcdb7dd404f9a4fc4f00c956c7a975f3e0eeff747b1d6649481f4d6515dec5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcdb7dd404f9a4fc4f00c956c7a975f3e0eeff747b1d6649481f4d6515dec5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcdb7dd404f9a4fc4f00c956c7a975f3e0eeff747b1d6649481f4d6515dec5a", kill_on_drop: false }`
[INFO] [stdout] 9fcdb7dd404f9a4fc4f00c956c7a975f3e0eeff747b1d6649481f4d6515dec5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ac876b2affd4a40f3f189463d84216c9b902489eef58acf213cb672b5d6d4f
[INFO] running `Command { std: "docker" "start" "-a" "31ac876b2affd4a40f3f189463d84216c9b902489eef58acf213cb672b5d6d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling tokio v1.38.1
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling publicsuffix v2.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling cookie_store v0.21.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.4.5
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.6
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.5
[INFO] [stderr]    Compiling duckduckgo_search v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `api_response`
[INFO] [stdout]    --> src/browser.rs:293:40
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_api_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]    --> src/browser.rs:293:64
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.92s
[INFO] running `Command { std: "docker" "inspect" "31ac876b2affd4a40f3f189463d84216c9b902489eef58acf213cb672b5d6d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ac876b2affd4a40f3f189463d84216c9b902489eef58acf213cb672b5d6d4f", kill_on_drop: false }`
[INFO] [stdout] 31ac876b2affd4a40f3f189463d84216c9b902489eef58acf213cb672b5d6d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46ff36f1e6d2e7137139dc3c00ab7afc9f19e677828ef5c7637d2c221ee828b4
[INFO] running `Command { std: "docker" "start" "-a" "46ff36f1e6d2e7137139dc3c00ab7afc9f19e677828ef5c7637d2c221ee828b4", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `api_response`
[INFO] [stdout]    --> src/browser.rs:293:40
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_api_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]    --> src/browser.rs:293:64
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling duckduckgo_search v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `api_response`
[INFO] [stdout]    --> src/browser.rs:293:40
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_api_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]    --> src/browser.rs:293:64
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn get_results_detailed(&self, api_response: Response, limit: Option<usize>) -> Result<Vec<(String, String)>, Error>{
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "46ff36f1e6d2e7137139dc3c00ab7afc9f19e677828ef5c7637d2c221ee828b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ff36f1e6d2e7137139dc3c00ab7afc9f19e677828ef5c7637d2c221ee828b4", kill_on_drop: false }`
[INFO] [stdout] 46ff36f1e6d2e7137139dc3c00ab7afc9f19e677828ef5c7637d2c221ee828b4