[INFO] fetching crate url-crawler 0.3.1...
[INFO] checking url-crawler-0.3.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate url-crawler 0.3.1 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate url-crawler 0.3.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate url-crawler 0.3.1
[INFO] finished tweaking crates.io crate url-crawler 0.3.1
[INFO] tweaked toml for crates.io crate url-crawler 0.3.1 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate url-crawler 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a394d493fd1c7c42cd9e1930b324ec8e69b162f78635b0df215cb37babe73520
[INFO] running `Command { std: "docker" "start" "-a" "a394d493fd1c7c42cd9e1930b324ec8e69b162f78635b0df215cb37babe73520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a394d493fd1c7c42cd9e1930b324ec8e69b162f78635b0df215cb37babe73520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a394d493fd1c7c42cd9e1930b324ec8e69b162f78635b0df215cb37babe73520", kill_on_drop: false }`
[INFO] [stdout] a394d493fd1c7c42cd9e1930b324ec8e69b162f78635b0df215cb37babe73520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5bd9e359b16f3cfbc2869aad3146f2af7a6e2b2288b344fb7a4ee5af6ca1a8c
[INFO] running `Command { std: "docker" "start" "-a" "d5bd9e359b16f3cfbc2869aad3146f2af7a6e2b2288b344fb7a4ee5af6ca1a8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking url-crawler v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Crawler`
[INFO] [stdout]   --> examples/example.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let crawler = Crawler::new("http://apt.pop-os.org/".to_owned())
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `Crawler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Url` in this scope
[INFO] [stdout]  --> examples/example.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn apt_filter(url: &Url) -> bool {
[INFO] [stdout]   |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url_crawler::*`
[INFO] [stdout]  --> examples/example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use url_crawler::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `url-crawler` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d5bd9e359b16f3cfbc2869aad3146f2af7a6e2b2288b344fb7a4ee5af6ca1a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bd9e359b16f3cfbc2869aad3146f2af7a6e2b2288b344fb7a4ee5af6ca1a8c", kill_on_drop: false }`
[INFO] [stdout] d5bd9e359b16f3cfbc2869aad3146f2af7a6e2b2288b344fb7a4ee5af6ca1a8c