[INFO] fetching crate text_searcher 0.1.7...
[INFO] testing text_searcher-0.1.7 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate text_searcher 0.1.7 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate text_searcher 0.1.7
[INFO] finished tweaking crates.io crate text_searcher 0.1.7
[INFO] tweaked toml for crates.io crate text_searcher 0.1.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate text_searcher 0.1.7 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate text_searcher 0.1.7 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 009f4a38bc52844499841d6bc99fda78ae5d03329cbc001ce050d12540b65dab
[INFO] running `Command { std: "docker" "start" "-a" "009f4a38bc52844499841d6bc99fda78ae5d03329cbc001ce050d12540b65dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009f4a38bc52844499841d6bc99fda78ae5d03329cbc001ce050d12540b65dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009f4a38bc52844499841d6bc99fda78ae5d03329cbc001ce050d12540b65dab", kill_on_drop: false }`
[INFO] [stdout] 009f4a38bc52844499841d6bc99fda78ae5d03329cbc001ce050d12540b65dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9f32a621c8706c02c1d40d3449522ad6643886266d710a2e8748a5c6640415
[INFO] running `Command { std: "docker" "start" "-a" "8f9f32a621c8706c02c1d40d3449522ad6643886266d710a2e8748a5c6640415", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_searcher v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for path in paths {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 113 -         for path in paths {
[INFO] [stdout] 113 +         while let Ok(path) = paths {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 113 -         for path in paths {
[INFO] [stdout] 113 +         if let Ok(path) = paths {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "8f9f32a621c8706c02c1d40d3449522ad6643886266d710a2e8748a5c6640415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9f32a621c8706c02c1d40d3449522ad6643886266d710a2e8748a5c6640415", kill_on_drop: false }`
[INFO] [stdout] 8f9f32a621c8706c02c1d40d3449522ad6643886266d710a2e8748a5c6640415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b098e92206e2db47054a656e482cbca25bc983023ca0fedbe19a55980ef505
[INFO] running `Command { std: "docker" "start" "-a" "d2b098e92206e2db47054a656e482cbca25bc983023ca0fedbe19a55980ef505", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_searcher v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for path in paths {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 113 -         for path in paths {
[INFO] [stdout] 113 +         while let Ok(path) = paths {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 113 -         for path in paths {
[INFO] [stdout] 113 +         if let Ok(path) = paths {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "d2b098e92206e2db47054a656e482cbca25bc983023ca0fedbe19a55980ef505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b098e92206e2db47054a656e482cbca25bc983023ca0fedbe19a55980ef505", kill_on_drop: false }`
[INFO] [stdout] d2b098e92206e2db47054a656e482cbca25bc983023ca0fedbe19a55980ef505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75abf7d88767033248bd19809632c2e23141ad0f247cb946042551a8148b93b1
[INFO] running `Command { std: "docker" "start" "-a" "75abf7d88767033248bd19809632c2e23141ad0f247cb946042551a8148b93b1", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:113:21
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 113 |         for path in paths {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 113 -         for path in paths {
[INFO] [stderr] 113 +         while let Ok(path) = paths {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 113 -         for path in paths {
[INFO] [stderr] 113 +         if let Ok(path) = paths {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `text_searcher` (bin "text-searcher" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/text_searcher-81990f8ae0ac2d34)
[INFO] running `Command { std: "docker" "inspect" "75abf7d88767033248bd19809632c2e23141ad0f247cb946042551a8148b93b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75abf7d88767033248bd19809632c2e23141ad0f247cb946042551a8148b93b1", kill_on_drop: false }`
[INFO] [stdout] 75abf7d88767033248bd19809632c2e23141ad0f247cb946042551a8148b93b1