[INFO] fetching crate kotoba-linter 0.1.16...
[INFO] checking kotoba-linter-0.1.16 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate kotoba-linter 0.1.16 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate kotoba-linter 0.1.16
[INFO] finished tweaking crates.io crate kotoba-linter 0.1.16
[INFO] tweaked toml for crates.io crate kotoba-linter 0.1.16 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kotoba-linter 0.1.16 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kotoba-linter 0.1.16 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kotoba-errors v0.1.1
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2d2239efadef20cbc04dee8e8e03aca6d8d2ebbc0e37e776f13138cc3d4333
[INFO] running `Command { std: "docker" "start" "-a" "5c2d2239efadef20cbc04dee8e8e03aca6d8d2ebbc0e37e776f13138cc3d4333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2d2239efadef20cbc04dee8e8e03aca6d8d2ebbc0e37e776f13138cc3d4333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2d2239efadef20cbc04dee8e8e03aca6d8d2ebbc0e37e776f13138cc3d4333", kill_on_drop: false }`
[INFO] [stdout] 5c2d2239efadef20cbc04dee8e8e03aca6d8d2ebbc0e37e776f13138cc3d4333
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00391962e95e7bb5964e2839eee96df6cf43386a727ada05fc69d6063c9e40d
[INFO] running `Command { std: "docker" "start" "-a" "a00391962e95e7bb5964e2839eee96df6cf43386a727ada05fc69d6063c9e40d", kill_on_drop: false }`
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[INFO] [stderr]     Checking kotoba-linter v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/diagnostics.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/diagnostics.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_num`
[INFO] [stdout]   --> src/rules.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for (line_num, line) in content.lines().enumerate() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_num`
[INFO] [stdout]   --> src/rules.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for (line_num, line) in content.lines().enumerate() {
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct Linter {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 217 |     config: LinterConfig,
[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 `config` is never read
[INFO] [stdout]   --> src/rules.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct NoUnusedVarsRule {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 25 |     config: Option<serde_json::Value>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/rules.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct NoShadowingRule {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 92 |     config: Option<serde_json::Value>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct ConsistentIndentationRule {
[INFO] [stdout]     |            ------------------------- field in this struct
[INFO] [stdout] 148 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct TrailingWhitespaceRule {
[INFO] [stdout]     |            ---------------------- field in this struct
[INFO] [stdout] 233 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub struct MissingSemicolonsRule {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 278 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 346 | pub struct NamingConventionRule {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 347 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub struct ComplexityRule {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 402 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/lib.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct Linter {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 217 |     config: LinterConfig,
[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 `config` is never read
[INFO] [stdout]   --> src/rules.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct NoUnusedVarsRule {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 25 |     config: Option<serde_json::Value>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/rules.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct NoShadowingRule {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 92 |     config: Option<serde_json::Value>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct ConsistentIndentationRule {
[INFO] [stdout]     |            ------------------------- field in this struct
[INFO] [stdout] 148 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct TrailingWhitespaceRule {
[INFO] [stdout]     |            ---------------------- field in this struct
[INFO] [stdout] 233 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub struct MissingSemicolonsRule {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 278 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 346 | pub struct NamingConventionRule {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 347 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/rules.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub struct ComplexityRule {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 402 |     config: Option<serde_json::Value>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a00391962e95e7bb5964e2839eee96df6cf43386a727ada05fc69d6063c9e40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00391962e95e7bb5964e2839eee96df6cf43386a727ada05fc69d6063c9e40d", kill_on_drop: false }`
[INFO] [stdout] a00391962e95e7bb5964e2839eee96df6cf43386a727ada05fc69d6063c9e40d
