[INFO] cloning repository https://github.com/crispcat/rsgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crispcat/rsgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrispcat%2Frsgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrispcat%2Frsgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e252cb420ddc0342808b60c7a01b7daf006b0f9
[INFO] checking crispcat/rsgrep/4e252cb420ddc0342808b60c7a01b7daf006b0f9 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrispcat%2Frsgrep" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crispcat/rsgrep on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crispcat/rsgrep
[INFO] finished tweaking git repo https://github.com/crispcat/rsgrep
[INFO] tweaked toml for git repo https://github.com/crispcat/rsgrep written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/crispcat/rsgrep 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d17fbae571d85770c530caa53d2bcbacb5e7be753e0f3bc58ccd8e22c9f6fd82
[INFO] running `Command { std: "docker" "start" "-a" "d17fbae571d85770c530caa53d2bcbacb5e7be753e0f3bc58ccd8e22c9f6fd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17fbae571d85770c530caa53d2bcbacb5e7be753e0f3bc58ccd8e22c9f6fd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17fbae571d85770c530caa53d2bcbacb5e7be753e0f3bc58ccd8e22c9f6fd82", kill_on_drop: false }`
[INFO] [stdout] d17fbae571d85770c530caa53d2bcbacb5e7be753e0f3bc58ccd8e22c9f6fd82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 355b5ce4e8fa4bece70ac41b9d8110d437eec3f4cac7e7dfa44f191538ce7898
[INFO] running `Command { std: "docker" "start" "-a" "355b5ce4e8fa4bece70ac41b9d8110d437eec3f4cac7e7dfa44f191538ce7898", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking gref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib/runtime.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     error::Error
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib/runtime.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     error::Error
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib/runtime.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |         TextSource::DirPath(path) => {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/lib/runtime.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn job_search_in_string(req: &SearchRequest, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime`
[INFO] [stdout]    --> src/lib/runtime.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn job_search_in_string(req: &SearchRequest, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/lib/runtime.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn job_format_result(res: &SearchResult, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime`
[INFO] [stdout]    --> src/lib/runtime.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn job_format_result(res: &SearchResult, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib/runtime.rs:96:29
[INFO] [stdout]    |
[INFO] [stdout] 96 |         TextSource::DirPath(path) => {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/lib/runtime.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn job_search_in_string(req: &SearchRequest, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime`
[INFO] [stdout]    --> src/lib/runtime.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn job_search_in_string(req: &SearchRequest, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/lib/runtime.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn job_format_result(res: &SearchResult, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runtime`
[INFO] [stdout]    --> src/lib/runtime.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn job_format_result(res: &SearchResult, runtime: &Runtime) -> Result<(), anyhow::Error> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `haystack`, and `source` are never read
[INFO] [stdout]   --> src/lib/runtime.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SearchRequest<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     haystack: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     source: &'a TextSource
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `source`, `position`, and `rmatch` are never read
[INFO] [stdout]   --> src/lib/runtime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct SearchResult<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 31 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     source: &'a TextSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     rmatch: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Format` is never constructed
[INFO] [stdout]   --> src/lib/runtime.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum RuntimeJob<'a> {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     Format(SearchResult<'a>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/lib/runtime.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Runtime<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 44 |     regex: Regex,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `haystack`, and `source` are never read
[INFO] [stdout]   --> src/lib/runtime.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SearchRequest<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     haystack: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     source: &'a TextSource
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `source`, `position`, and `rmatch` are never read
[INFO] [stdout]   --> src/lib/runtime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct SearchResult<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 31 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     source: &'a TextSource,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     position: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     rmatch: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Format` is never constructed
[INFO] [stdout]   --> src/lib/runtime.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum RuntimeJob<'a> {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     Format(SearchResult<'a>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/lib/runtime.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Runtime<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 44 |     regex: Regex,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "355b5ce4e8fa4bece70ac41b9d8110d437eec3f4cac7e7dfa44f191538ce7898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355b5ce4e8fa4bece70ac41b9d8110d437eec3f4cac7e7dfa44f191538ce7898", kill_on_drop: false }`
[INFO] [stdout] 355b5ce4e8fa4bece70ac41b9d8110d437eec3f4cac7e7dfa44f191538ce7898