[INFO] fetching crate snowchains_core 0.13.3...
[INFO] building snowchains_core-0.13.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate snowchains_core 0.13.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate snowchains_core 0.13.3
[INFO] finished tweaking crates.io crate snowchains_core 0.13.3
[INFO] tweaked toml for crates.io crate snowchains_core 0.13.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snowchains_core 0.13.3 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 snowchains_core 0.13.3 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 }`
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0406149ec51fc96920c90015d1eca0976557bfea2028d47cdb1780c1a936b2d
[INFO] running `Command { std: "docker" "start" "-a" "d0406149ec51fc96920c90015d1eca0976557bfea2028d47cdb1780c1a936b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0406149ec51fc96920c90015d1eca0976557bfea2028d47cdb1780c1a936b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0406149ec51fc96920c90015d1eca0976557bfea2028d47cdb1780c1a936b2d", kill_on_drop: false }`
[INFO] [stdout] d0406149ec51fc96920c90015d1eca0976557bfea2028d47cdb1780c1a936b2d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66882c3f7378389e32c6c1389e10b47550109870fb6b3b9e1c57fd3cc6238934
[INFO] running `Command { std: "docker" "start" "-a" "66882c3f7378389e32c6c1389e10b47550109870fb6b3b9e1c57fd3cc6238934", kill_on_drop: false }`
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[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling webpki-roots v0.22.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling ipnet v2.3.1
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[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.9
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling cookie_store v0.12.0
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling scraper v0.12.0
[INFO] [stderr]    Compiling prettytable-rs v0.10.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling humantime-serde v1.0.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling easy-ext v0.2.9
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.8
[INFO] [stderr]    Compiling snowchains_core v0.13.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cell`
[INFO] [stdout]   --> src/web/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     cell,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `extract_meta_x_csrf_token` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:639:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[ext]
[INFO] [stdout]     | ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 639 |     fn extract_meta_x_csrf_token(&self) -> anyhow::Result<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/web/codeforces.rs:664:23
[INFO] [stdout]     |
[INFO] [stdout] 664 |     pub(super) struct User {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubmissionVerdict` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:732:21
[INFO] [stdout]     |
[INFO] [stdout] 732 |     pub(super) enum SubmissionVerdict {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_all_problems` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 599 |     pub(super) trait SessionMutExt: SessionMut {
[INFO] [stdout]     |                      ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 683 |         fn get_all_problems(&mut self) -> anyhow::Result<Vec<Problem>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReqwestAsyncClientExt` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:772:22
[INFO] [stdout]     |
[INFO] [stdout] 772 |     pub(super) trait ReqwestAsyncClientExt {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, nom v6.1.2
[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" "66882c3f7378389e32c6c1389e10b47550109870fb6b3b9e1c57fd3cc6238934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66882c3f7378389e32c6c1389e10b47550109870fb6b3b9e1c57fd3cc6238934", kill_on_drop: false }`
[INFO] [stdout] 66882c3f7378389e32c6c1389e10b47550109870fb6b3b9e1c57fd3cc6238934
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a7a6012ae0769549fd304c15d3570f45b36cfaf6a1eef34ec5f02e74a7f789d
[INFO] running `Command { std: "docker" "start" "-a" "1a7a6012ae0769549fd304c15d3570f45b36cfaf6a1eef34ec5f02e74a7f789d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling fwdansi v1.1.0
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rpassword v5.0.1
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: unused import: `cell`
[INFO] [stdout]   --> src/web/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     cell,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `extract_meta_x_csrf_token` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:639:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[ext]
[INFO] [stdout]     | ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 639 |     fn extract_meta_x_csrf_token(&self) -> anyhow::Result<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/web/codeforces.rs:664:23
[INFO] [stdout]     |
[INFO] [stdout] 664 |     pub(super) struct User {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubmissionVerdict` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:732:21
[INFO] [stdout]     |
[INFO] [stdout] 732 |     pub(super) enum SubmissionVerdict {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_all_problems` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 599 |     pub(super) trait SessionMutExt: SessionMut {
[INFO] [stdout]     |                      ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 683 |         fn get_all_problems(&mut self) -> anyhow::Result<Vec<Problem>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReqwestAsyncClientExt` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:772:22
[INFO] [stdout]     |
[INFO] [stdout] 772 |     pub(super) trait ReqwestAsyncClientExt {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling insta v1.9.0
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling snowchains_core v0.13.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/atcoder-retrieve-test-cases.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |         PrintAnsi(String),
[INFO] [stdout]     |         --------- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 117 -         PrintAnsi(String),
[INFO] [stdout] 117 +         PrintAnsi(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/atcoder-retrieve-test-cases.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Warn(String),
[INFO] [stdout]     |         ---- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Warn(String),
[INFO] [stdout] 118 +         Warn(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> tests/atcoder-retrieve-test-cases.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         OnRequest(Method, Url),
[INFO] [stdout]     |         --------- ^^^^^^  ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 119 -         OnRequest(Method, Url),
[INFO] [stdout] 119 +         OnRequest((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> tests/atcoder-retrieve-test-cases.rs:120:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |         OnResponse(StatusCode, StatusCodeColor),
[INFO] [stdout]     |         ---------- ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 120 -         OnResponse(StatusCode, StatusCodeColor),
[INFO] [stdout] 120 +         OnResponse((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/yukicoder-retrieve-test-cases.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         PrintAnsi(String),
[INFO] [stdout]    |         --------- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 65 -         PrintAnsi(String),
[INFO] [stdout] 65 +         PrintAnsi(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/yukicoder-retrieve-test-cases.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Warn(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 66 -         Warn(String),
[INFO] [stdout] 66 +         Warn(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/yukicoder-retrieve-test-cases.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         OnRequest(Method, Url),
[INFO] [stdout]    |         --------- ^^^^^^  ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 67 -         OnRequest(Method, Url),
[INFO] [stdout] 67 +         OnRequest((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/yukicoder-retrieve-test-cases.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |         OnResponse(StatusCode, StatusCodeColor),
[INFO] [stdout]    |         ---------- ^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 68 -         OnResponse(StatusCode, StatusCodeColor),
[INFO] [stdout] 68 +         OnResponse((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CredentialsVia` is never used
[INFO] [stdout]   --> examples/yukicoder-retrieve-languages.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum CredentialsVia {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell`
[INFO] [stdout]   --> src/web/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     cell,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `extract_meta_x_csrf_token` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:639:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[ext]
[INFO] [stdout]     | ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 639 |     fn extract_meta_x_csrf_token(&self) -> anyhow::Result<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/web/codeforces.rs:664:23
[INFO] [stdout]     |
[INFO] [stdout] 664 |     pub(super) struct User {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubmissionVerdict` is never used
[INFO] [stdout]    --> src/web/codeforces.rs:732:21
[INFO] [stdout]     |
[INFO] [stdout] 732 |     pub(super) enum SubmissionVerdict {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_all_problems` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 599 |     pub(super) trait SessionMutExt: SessionMut {
[INFO] [stdout]     |                      ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 683 |         fn get_all_problems(&mut self) -> anyhow::Result<Vec<Problem>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReqwestAsyncClientExt` is never used
[INFO] [stdout]    --> src/web/yukicoder.rs:772:22
[INFO] [stdout]     |
[INFO] [stdout] 772 |     pub(super) trait ReqwestAsyncClientExt {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, nom v6.1.2
[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" "1a7a6012ae0769549fd304c15d3570f45b36cfaf6a1eef34ec5f02e74a7f789d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7a6012ae0769549fd304c15d3570f45b36cfaf6a1eef34ec5f02e74a7f789d", kill_on_drop: false }`
[INFO] [stdout] 1a7a6012ae0769549fd304c15d3570f45b36cfaf6a1eef34ec5f02e74a7f789d
