[INFO] fetching crate cargo-atcoder 0.4.0...
[INFO] checking cargo-atcoder-0.4.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate cargo-atcoder 0.4.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-atcoder 0.4.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `name`, `tle`, and `mle` are never read
[INFO] [stdout]   --> src/atcoder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Problem {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub id: String,
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub url: String,
[INFO] [stdout] 27 |     pub tle: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 28 |     pub mle: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `user` is never read
[INFO] [stdout]   --> src/atcoder.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct SubmissionResult {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub user: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SubmissionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dependencies` is never read
[INFO] [stdout]   --> src/config.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub dependencies: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `release` is never read
[INFO] [stdout]   --> src/config.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Profile {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 27 |     pub target: String,
[INFO] [stdout] 28 |     pub release: Value,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `tle`, and `mle` are never read
[INFO] [stdout]   --> src/atcoder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Problem {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 24 |     pub id: String,
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub url: String,
[INFO] [stdout] 27 |     pub tle: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 28 |     pub mle: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `user` is never read
[INFO] [stdout]   --> src/atcoder.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct SubmissionResult {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub user: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SubmissionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dependencies` is never read
[INFO] [stdout]   --> src/config.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub dependencies: Value,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `release` is never read
[INFO] [stdout]   --> src/config.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Profile {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 27 |     pub target: String,
[INFO] [stdout] 28 |     pub release: Value,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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 -             for cookie in self
[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 -             for cookie in self
[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 -             for cookie in self
[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 -             for cookie in self
[INFO] [stdout] 28 +             if let Some(cookie) = self
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.61s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "ee0abb037f9dece9722920e99244924a62265f6e129b3e57bbe0f31ca4c84420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0abb037f9dece9722920e99244924a62265f6e129b3e57bbe0f31ca4c84420", kill_on_drop: false }`
[INFO] [stdout] ee0abb037f9dece9722920e99244924a62265f6e129b3e57bbe0f31ca4c84420
