[INFO] fetching crate text_searcher 0.1.7...
[INFO] testing text_searcher-0.1.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate text_searcher 0.1.7 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate text_searcher 0.1.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcdf0f4ea944ca29b3b6970f972c03c0ab7f6d2812271c494a74eff10cb9ca03
[INFO] running `Command { std: "docker" "start" "-a" "bcdf0f4ea944ca29b3b6970f972c03c0ab7f6d2812271c494a74eff10cb9ca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcdf0f4ea944ca29b3b6970f972c03c0ab7f6d2812271c494a74eff10cb9ca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdf0f4ea944ca29b3b6970f972c03c0ab7f6d2812271c494a74eff10cb9ca03", kill_on_drop: false }`
[INFO] [stdout] bcdf0f4ea944ca29b3b6970f972c03c0ab7f6d2812271c494a74eff10cb9ca03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97885bfc157511d69959e496cf348fd172a72bda4f95103719a91be6251de3c8
[INFO] running `Command { std: "docker" "start" "-a" "97885bfc157511d69959e496cf348fd172a72bda4f95103719a91be6251de3c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[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 3.18s
[INFO] running `Command { std: "docker" "inspect" "97885bfc157511d69959e496cf348fd172a72bda4f95103719a91be6251de3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97885bfc157511d69959e496cf348fd172a72bda4f95103719a91be6251de3c8", kill_on_drop: false }`
[INFO] [stdout] 97885bfc157511d69959e496cf348fd172a72bda4f95103719a91be6251de3c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb07b640e004e6056a7c51ae9aca73143adf3acc37ec6b75a0f3723c32e53952
[INFO] running `Command { std: "docker" "start" "-a" "bb07b640e004e6056a7c51ae9aca73143adf3acc37ec6b75a0f3723c32e53952", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "bb07b640e004e6056a7c51ae9aca73143adf3acc37ec6b75a0f3723c32e53952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb07b640e004e6056a7c51ae9aca73143adf3acc37ec6b75a0f3723c32e53952", kill_on_drop: false }`
[INFO] [stdout] bb07b640e004e6056a7c51ae9aca73143adf3acc37ec6b75a0f3723c32e53952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4639a851c8122885b6b527f9cbf0bd39ca8ed115929cf5339611f014f7df67f3
[INFO] running `Command { std: "docker" "start" "-a" "4639a851c8122885b6b527f9cbf0bd39ca8ed115929cf5339611f014f7df67f3", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |         for path in paths {
[INFO] [stderr]     |                     ^^^^^
[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 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/text_searcher-b5c3e21cf47039b6)
[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" "4639a851c8122885b6b527f9cbf0bd39ca8ed115929cf5339611f014f7df67f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4639a851c8122885b6b527f9cbf0bd39ca8ed115929cf5339611f014f7df67f3", kill_on_drop: false }`
[INFO] [stdout] 4639a851c8122885b6b527f9cbf0bd39ca8ed115929cf5339611f014f7df67f3