[INFO] cloning repository https://github.com/Eveyz/web_crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eveyz/web_crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEveyz%2Fweb_crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEveyz%2Fweb_crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32474b153f51e98815bbdd315c57f503462de2cb
[INFO] checking Eveyz/web_crawler against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEveyz%2Fweb_crawler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eveyz/web_crawler on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eveyz/web_crawler
[INFO] finished tweaking git repo https://github.com/Eveyz/web_crawler
[INFO] tweaked toml for git repo https://github.com/Eveyz/web_crawler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eveyz/web_crawler 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4721c6616f7bc951bbfb72e1edd47925652bf1d1f2049d71014954ce6933e047
[INFO] running `Command { std: "docker" "start" "-a" "4721c6616f7bc951bbfb72e1edd47925652bf1d1f2049d71014954ce6933e047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4721c6616f7bc951bbfb72e1edd47925652bf1d1f2049d71014954ce6933e047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4721c6616f7bc951bbfb72e1edd47925652bf1d1f2049d71014954ce6933e047", kill_on_drop: false }`
[INFO] [stdout] 4721c6616f7bc951bbfb72e1edd47925652bf1d1f2049d71014954ce6933e047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b729000b7f4081753b728d9ff5ddc617cbd40e7c5244fa55527e52a0ce9b9e50
[INFO] running `Command { std: "docker" "start" "-a" "b729000b7f4081753b728d9ff5ddc617cbd40e7c5244fa55527e52a0ce9b9e50", kill_on_drop: false }`
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[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking redis v0.25.4
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[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     async fn crawl(&mut self, start_url: Option<&str>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]    --> src/main.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |             redis_conn.lpush(QUEUE_KEY, serde_json::to_string(&item)?)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 125 ~             redis_conn.lpush::<_, _, ()>(QUEUE_KEY, serde_json::to_string(&item)?)?;
[INFO] [stdout] 126 |         }
[INFO] [stdout] ...
[INFO] [stdout] 168 |                     self.visited.insert(url.clone());
[INFO] [stdout] 169 ~                     redis_conn.sadd::<_, _, ()>(VISITED_KEY, &url)?;
[INFO] [stdout] 170 |
[INFO] [stdout] ...
[INFO] [stdout] 173 |                             let new_item = QueueItem { url: link, depth: depth + 1 };
[INFO] [stdout] 174 ~                             redis_conn.lpush::<_, _, ()>(QUEUE_KEY, serde_json::to_string(&new_item)?)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     async fn crawl(&mut self, start_url: Option<&str>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]    --> src/main.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |             redis_conn.lpush(QUEUE_KEY, serde_json::to_string(&item)?)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 125 ~             redis_conn.lpush::<_, _, ()>(QUEUE_KEY, serde_json::to_string(&item)?)?;
[INFO] [stdout] 126 |         }
[INFO] [stdout] ...
[INFO] [stdout] 168 |                     self.visited.insert(url.clone());
[INFO] [stdout] 169 ~                     redis_conn.sadd::<_, _, ()>(VISITED_KEY, &url)?;
[INFO] [stdout] 170 |
[INFO] [stdout] ...
[INFO] [stdout] 173 |                             let new_item = QueueItem { url: link, depth: depth + 1 };
[INFO] [stdout] 174 ~                             redis_conn.lpush::<_, _, ()>(QUEUE_KEY, serde_json::to_string(&new_item)?)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.93s
[INFO] running `Command { std: "docker" "inspect" "b729000b7f4081753b728d9ff5ddc617cbd40e7c5244fa55527e52a0ce9b9e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b729000b7f4081753b728d9ff5ddc617cbd40e7c5244fa55527e52a0ce9b9e50", kill_on_drop: false }`
[INFO] [stdout] b729000b7f4081753b728d9ff5ddc617cbd40e7c5244fa55527e52a0ce9b9e50