[INFO] cloning repository https://github.com/snowzhaozhj/leetcodecli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snowzhaozhj/leetcodecli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowzhaozhj%2Fleetcodecli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowzhaozhj%2Fleetcodecli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10f346d2f491aff02b07ceccfb8757e871017ca2
[INFO] checking snowzhaozhj/leetcodecli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowzhaozhj%2Fleetcodecli" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snowzhaozhj/leetcodecli
[INFO] finished tweaking git repo https://github.com/snowzhaozhj/leetcodecli
[INFO] tweaked toml for git repo https://github.com/snowzhaozhj/leetcodecli written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snowzhaozhj/leetcodecli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snowzhaozhj/leetcodecli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 288cde3689ae7e73cb81db5498b149d13018de6cc2cff822ea21f623a78770a7
[INFO] running `Command { std: "docker" "start" "-a" "288cde3689ae7e73cb81db5498b149d13018de6cc2cff822ea21f623a78770a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288cde3689ae7e73cb81db5498b149d13018de6cc2cff822ea21f623a78770a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288cde3689ae7e73cb81db5498b149d13018de6cc2cff822ea21f623a78770a7", kill_on_drop: false }`
[INFO] [stdout] 288cde3689ae7e73cb81db5498b149d13018de6cc2cff822ea21f623a78770a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9b60a9500e6da539c6d664f3e4ae81b85172d295bbf9ac96aac1e2e5523df3
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[INFO] [stdout] warning: field `cookie` is never read
[INFO] [stdout]   --> src/leetcode/command/auth.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct GitAuthPlugin {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 90 |     cookie: 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: field `github` is never read
[INFO] [stdout]  --> src/leetcode/config.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Urls<'a> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     pub leetcode: LeetcodeUrls<'a>,
[INFO] [stdout] 9 |     pub github: GithubUrls<'a>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base`, `api`, `problems`, `submission`, and `github_login` are never read
[INFO] [stdout]   --> src/leetcode/config.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LeetcodeUrls<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 13 |     pub base: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 14 |     pub api: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub graphql: &'a str,
[INFO] [stdout] 16 |     pub problems: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub submission: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub github_login: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `login` and `session` are never read
[INFO] [stdout]   --> src/leetcode/config.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct GithubUrls<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 27 |     pub login: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 28 |     pub session: &'a str,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unstar` is never constructed
[INFO] [stdout]  --> src/leetcode/term/icon.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Icon {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Unstar,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cookie` is never read
[INFO] [stdout]   --> src/leetcode/command/auth.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct GitAuthPlugin {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 90 |     cookie: 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: field `github` is never read
[INFO] [stdout]  --> src/leetcode/config.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Urls<'a> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     pub leetcode: LeetcodeUrls<'a>,
[INFO] [stdout] 9 |     pub github: GithubUrls<'a>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base`, `api`, `problems`, `submission`, and `github_login` are never read
[INFO] [stdout]   --> src/leetcode/config.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LeetcodeUrls<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 13 |     pub base: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 14 |     pub api: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub graphql: &'a str,
[INFO] [stdout] 16 |     pub problems: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub submission: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub github_login: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `login` and `session` are never read
[INFO] [stdout]   --> src/leetcode/config.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct GithubUrls<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 27 |     pub login: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 28 |     pub session: &'a str,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unstar` is never constructed
[INFO] [stdout]  --> src/leetcode/term/icon.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Icon {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Unstar,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// login mode
[INFO] [stdout] 42 | |         #[clap(default_value = "cookie", possible_values = ["cookie", "git"])]
[INFO] [stdout] 43 | |         mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         /// logout mode
[INFO] [stdout] 49 | |         #[clap(default_value = "cookie", possible_values = ["cookie", "git"])]
[INFO] [stdout] 50 | |         mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// filter by keyword
[INFO] [stdout] 57 | |     #[clap(short, long)]
[INFO] [stdout] 58 | |     pub keyword: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// filter by tag
[INFO] [stdout] 61 | |     #[clap(short, long)]
[INFO] [stdout] 62 | |     pub tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// filter by difficulty
[INFO] [stdout] 65 | |     #[clap(short, long)]
[INFO] [stdout] 66 | |     pub difficulty: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | /     /// order by `problem id`, `title`, `difficulty`
[INFO] [stdout] 81 | |     #[clap(short, long)]
[INFO] [stdout] 82 | |     pub order: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     /// programming language to write answer
[INFO] [stdout] 91 | |     #[clap(short, long)]
[INFO] [stdout] 92 | |     pub language: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     /// the source code file to submit
[INFO] [stdout] 98 | |     pub filename: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/leetcode/cli.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | /     /// test mode, "\n" in test_data will be turn into new line
[INFO] [stdout] 101 | |     #[clap(short, long)]
[INFO] [stdout] 102 | |     pub test_data: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// login mode
[INFO] [stdout] 42 | |         #[clap(default_value = "cookie", possible_values = ["cookie", "git"])]
[INFO] [stdout] 43 | |         mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         /// logout mode
[INFO] [stdout] 49 | |         #[clap(default_value = "cookie", possible_values = ["cookie", "git"])]
[INFO] [stdout] 50 | |         mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// filter by keyword
[INFO] [stdout] 57 | |     #[clap(short, long)]
[INFO] [stdout] 58 | |     pub keyword: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// filter by tag
[INFO] [stdout] 61 | |     #[clap(short, long)]
[INFO] [stdout] 62 | |     pub tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// filter by difficulty
[INFO] [stdout] 65 | |     #[clap(short, long)]
[INFO] [stdout] 66 | |     pub difficulty: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | /     /// order by `problem id`, `title`, `difficulty`
[INFO] [stdout] 81 | |     #[clap(short, long)]
[INFO] [stdout] 82 | |     pub order: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     /// programming language to write answer
[INFO] [stdout] 91 | |     #[clap(short, long)]
[INFO] [stdout] 92 | |     pub language: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/leetcode/cli.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     /// the source code file to submit
[INFO] [stdout] 98 | |     pub filename: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/leetcode/cli.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | /     /// test mode, "\n" in test_data will be turn into new line
[INFO] [stdout] 101 | |     #[clap(short, long)]
[INFO] [stdout] 102 | |     pub test_data: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcodecli` (bin "leetcodecli" test) due to 9 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `leetcodecli` (bin "leetcodecli") due to 9 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4b9b60a9500e6da539c6d664f3e4ae81b85172d295bbf9ac96aac1e2e5523df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9b60a9500e6da539c6d664f3e4ae81b85172d295bbf9ac96aac1e2e5523df3", kill_on_drop: false }`
[INFO] [stdout] 4b9b60a9500e6da539c6d664f3e4ae81b85172d295bbf9ac96aac1e2e5523df3
