[INFO] fetching crate cargo-atcoder 0.4.0...
[INFO] checking cargo-atcoder-0.4.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate cargo-atcoder 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cargo-atcoder 0.4.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-atcoder 0.4.0
[INFO] finished tweaking crates.io crate cargo-atcoder 0.4.0
[INFO] tweaked toml for crates.io crate cargo-atcoder 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-atcoder 0.4.0 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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 823242348b65d54998806dab5dd9264d5f2092eecb9aaedd00646b651efce507
[INFO] running `Command { std: "docker" "start" "-a" "823242348b65d54998806dab5dd9264d5f2092eecb9aaedd00646b651efce507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "823242348b65d54998806dab5dd9264d5f2092eecb9aaedd00646b651efce507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823242348b65d54998806dab5dd9264d5f2092eecb9aaedd00646b651efce507", kill_on_drop: false }`
[INFO] [stdout] 823242348b65d54998806dab5dd9264d5f2092eecb9aaedd00646b651efce507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1d370c533b3060c4f1815b989a4614af6688b6e0bfae6877a4a39dd18cfb0926", kill_on_drop: false }`
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[INFO] [stderr]     Checking cargo-atcoder v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/http.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |               for cookie in self
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 29 | |                 .cookie_store
[INFO] [stdout] 30 | |                 .cookies(&self.endpoint.parse::<Url>().unwrap())
[INFO] [stdout]    | |________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 28 |             while let Some(cookie) = self
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 28 |             if let Some(cookie) = self
[INFO] [stdout]    |             ~~~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/http.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |               for cookie in self
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 29 | |                 .cookie_store
[INFO] [stdout] 30 | |                 .cookies(&self.endpoint.parse::<Url>().unwrap())
[INFO] [stdout]    | |________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 28 |             while let Some(cookie) = self
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 28 |             if let Some(cookie) = self
[INFO] [stdout]    |             ~~~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1d370c533b3060c4f1815b989a4614af6688b6e0bfae6877a4a39dd18cfb0926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d370c533b3060c4f1815b989a4614af6688b6e0bfae6877a4a39dd18cfb0926", kill_on_drop: false }`
[INFO] [stdout] 1d370c533b3060c4f1815b989a4614af6688b6e0bfae6877a4a39dd18cfb0926
