[INFO] fetching crate text_searcher 0.1.7...
[INFO] testing text_searcher-0.1.7 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate text_searcher 0.1.7 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate text_searcher 0.1.7 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a414889b2dd4eb50f98e0ce7e305de683eeb6d591cca7d2481f4c62574d8820
[INFO] running `Command { std: "docker" "start" "-a" "7a414889b2dd4eb50f98e0ce7e305de683eeb6d591cca7d2481f4c62574d8820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a414889b2dd4eb50f98e0ce7e305de683eeb6d591cca7d2481f4c62574d8820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a414889b2dd4eb50f98e0ce7e305de683eeb6d591cca7d2481f4c62574d8820", kill_on_drop: false }`
[INFO] [stdout] 7a414889b2dd4eb50f98e0ce7e305de683eeb6d591cca7d2481f4c62574d8820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cae5865119b0784f0458ea988cd89f62d82c65951b1480565293a2fc6961b47
[INFO] running `Command { std: "docker" "start" "-a" "4cae5865119b0784f0458ea988cd89f62d82c65951b1480565293a2fc6961b47", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "4cae5865119b0784f0458ea988cd89f62d82c65951b1480565293a2fc6961b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cae5865119b0784f0458ea988cd89f62d82c65951b1480565293a2fc6961b47", kill_on_drop: false }`
[INFO] [stdout] 4cae5865119b0784f0458ea988cd89f62d82c65951b1480565293a2fc6961b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28a7e295a7a91db833659ad7efd5c1797b80f2fc2231c5fa461518114418f93
[INFO] running `Command { std: "docker" "start" "-a" "a28a7e295a7a91db833659ad7efd5c1797b80f2fc2231c5fa461518114418f93", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "a28a7e295a7a91db833659ad7efd5c1797b80f2fc2231c5fa461518114418f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28a7e295a7a91db833659ad7efd5c1797b80f2fc2231c5fa461518114418f93", kill_on_drop: false }`
[INFO] [stdout] a28a7e295a7a91db833659ad7efd5c1797b80f2fc2231c5fa461518114418f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7eb9c7509790b010f668f6e9a6c90498212a808366b78c99e26a8c6e3d4a9fd
[INFO] running `Command { std: "docker" "start" "-a" "a7eb9c7509790b010f668f6e9a6c90498212a808366b78c99e26a8c6e3d4a9fd", 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 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/text_searcher-81990f8ae0ac2d34)
[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" "a7eb9c7509790b010f668f6e9a6c90498212a808366b78c99e26a8c6e3d4a9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7eb9c7509790b010f668f6e9a6c90498212a808366b78c99e26a8c6e3d4a9fd", kill_on_drop: false }`
[INFO] [stdout] a7eb9c7509790b010f668f6e9a6c90498212a808366b78c99e26a8c6e3d4a9fd