[INFO] cloning repository https://github.com/krishnarg04/grex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnarg04/grex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnarg04%2Fgrex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnarg04%2Fgrex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] feccb7a860f0923b771b60005bc8a53eee56b1b5
[INFO] testing krishnarg04/grex against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnarg04%2Fgrex" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krishnarg04/grex
[INFO] finished tweaking git repo https://github.com/krishnarg04/grex
[INFO] tweaked toml for git repo https://github.com/krishnarg04/grex written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krishnarg04/grex on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krishnarg04/grex 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df551618880c68e55687429fcc4633a7b5819330d6ae9e21ea472b122df01f0f
[INFO] running `Command { std: "docker" "start" "-a" "df551618880c68e55687429fcc4633a7b5819330d6ae9e21ea472b122df01f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df551618880c68e55687429fcc4633a7b5819330d6ae9e21ea472b122df01f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df551618880c68e55687429fcc4633a7b5819330d6ae9e21ea472b122df01f0f", kill_on_drop: false }`
[INFO] [stdout] df551618880c68e55687429fcc4633a7b5819330d6ae9e21ea472b122df01f0f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8deb21b36e1dda2e1310b99003f2f396027e78a30590a5f6bce4968405ea6cb3
[INFO] running `Command { std: "docker" "start" "-a" "8deb21b36e1dda2e1310b99003f2f396027e78a30590a5f6bce4968405ea6cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling grex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/SearchWorker.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for i in 0..self.max_threads {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/SearchWorker.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file_obj = match std::fs::File::open(&file_path) {
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]   --> src/SearchWorker.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let last = if pat_len > 1 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_offset`
[INFO] [stdout]    --> src/SearchWorker.rs:136:41
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   let actual_offset = if start < overlap_len {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DirWalker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod DirWalker;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dir_walker`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `SearchWorker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod SearchWorker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `search_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `PrintWorker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod PrintWorker;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `print_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FILE_THRESHOLD` should have a snake case name
[INFO] [stdout]   --> src/DirWalker.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let FILE_THRESHOLD = 50;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `file_threshold`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "8deb21b36e1dda2e1310b99003f2f396027e78a30590a5f6bce4968405ea6cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8deb21b36e1dda2e1310b99003f2f396027e78a30590a5f6bce4968405ea6cb3", kill_on_drop: false }`
[INFO] [stdout] 8deb21b36e1dda2e1310b99003f2f396027e78a30590a5f6bce4968405ea6cb3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd3a1cdffb12bee3f1fbebff196ef186fa8e4ff35667c8131d347a51f83ec76
[INFO] running `Command { std: "docker" "start" "-a" "6dd3a1cdffb12bee3f1fbebff196ef186fa8e4ff35667c8131d347a51f83ec76", kill_on_drop: false }`
[INFO] [stderr]    Compiling grex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/SearchWorker.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for i in 0..self.max_threads {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/SearchWorker.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut file_obj = match std::fs::File::open(&file_path) {
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]   --> src/SearchWorker.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let last = if pat_len > 1 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_offset`
[INFO] [stdout]    --> src/SearchWorker.rs:136:41
[INFO] [stdout]     |
[INFO] [stdout] 136 | ...                   let actual_offset = if start < overlap_len {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DirWalker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod DirWalker;
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dir_walker`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `SearchWorker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod SearchWorker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `search_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `PrintWorker` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod PrintWorker;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `print_worker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FILE_THRESHOLD` should have a snake case name
[INFO] [stdout]   --> src/DirWalker.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let FILE_THRESHOLD = 50;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `file_threshold`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "6dd3a1cdffb12bee3f1fbebff196ef186fa8e4ff35667c8131d347a51f83ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd3a1cdffb12bee3f1fbebff196ef186fa8e4ff35667c8131d347a51f83ec76", kill_on_drop: false }`
[INFO] [stdout] 6dd3a1cdffb12bee3f1fbebff196ef186fa8e4ff35667c8131d347a51f83ec76
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1efe54dc2f28efe6e4c5ff19238b121bbe44a37f8d162fd7d9400f70d737dee0
[INFO] running `Command { std: "docker" "start" "-a" "1efe54dc2f28efe6e4c5ff19238b121bbe44a37f8d162fd7d9400f70d737dee0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/SearchWorker.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         for i in 0..self.max_threads {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/SearchWorker.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut file_obj = match std::fs::File::open(&file_path) {
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last`
[INFO] [stderr]   --> src/SearchWorker.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let last = if pat_len > 1 {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `actual_offset`
[INFO] [stderr]    --> src/SearchWorker.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 | ...                   let actual_offset = if start < overlap_len {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: module `DirWalker` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod DirWalker;
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to snake case: `dir_walker`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `SearchWorker` should have a snake case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod SearchWorker;
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `search_worker`
[INFO] [stderr] 
[INFO] [stderr] warning: module `PrintWorker` should have a snake case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod PrintWorker;
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `print_worker`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FILE_THRESHOLD` should have a snake case name
[INFO] [stderr]   --> src/DirWalker.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let FILE_THRESHOLD = 50;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `file_threshold`
[INFO] [stderr] 
[INFO] [stderr] warning: `grex` (bin "grex" test) generated 8 warnings (run `cargo fix --bin "grex" -p grex --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grex-dd02a8575a232c14)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1efe54dc2f28efe6e4c5ff19238b121bbe44a37f8d162fd7d9400f70d737dee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efe54dc2f28efe6e4c5ff19238b121bbe44a37f8d162fd7d9400f70d737dee0", kill_on_drop: false }`
[INFO] [stdout] 1efe54dc2f28efe6e4c5ff19238b121bbe44a37f8d162fd7d9400f70d737dee0