[INFO] fetching crate text_searcher 0.1.7... [INFO] testing text_searcher-0.1.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate text_searcher 0.1.7 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate text_searcher 0.1.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85a2e9f7a1f1f95ab70ec5041467e45939c70049b7fb953bdb0a957bcd1e9c8f [INFO] running `Command { std: "docker" "start" "-a" "85a2e9f7a1f1f95ab70ec5041467e45939c70049b7fb953bdb0a957bcd1e9c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85a2e9f7a1f1f95ab70ec5041467e45939c70049b7fb953bdb0a957bcd1e9c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85a2e9f7a1f1f95ab70ec5041467e45939c70049b7fb953bdb0a957bcd1e9c8f", kill_on_drop: false }` [INFO] [stdout] 85a2e9f7a1f1f95ab70ec5041467e45939c70049b7fb953bdb0a957bcd1e9c8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b675466c1667a7ccf10b0b40614a1231b081218d579418f5dcaba0efa586d311 [INFO] running `Command { std: "docker" "start" "-a" "b675466c1667a7ccf10b0b40614a1231b081218d579418f5dcaba0efa586d311", 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 5.54s [INFO] running `Command { std: "docker" "inspect" "b675466c1667a7ccf10b0b40614a1231b081218d579418f5dcaba0efa586d311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b675466c1667a7ccf10b0b40614a1231b081218d579418f5dcaba0efa586d311", kill_on_drop: false }` [INFO] [stdout] b675466c1667a7ccf10b0b40614a1231b081218d579418f5dcaba0efa586d311 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64ac2a627eb3b8425625d4994ae905e3158624abb999e163945c74537783d394 [INFO] running `Command { std: "docker" "start" "-a" "64ac2a627eb3b8425625d4994ae905e3158624abb999e163945c74537783d394", 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 0.22s [INFO] running `Command { std: "docker" "inspect" "64ac2a627eb3b8425625d4994ae905e3158624abb999e163945c74537783d394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ac2a627eb3b8425625d4994ae905e3158624abb999e163945c74537783d394", kill_on_drop: false }` [INFO] [stdout] 64ac2a627eb3b8425625d4994ae905e3158624abb999e163945c74537783d394 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12f0eb2e313f8aba1787a67828ebf9c1ef83d179de18d3d3f0c72c5d5f34fc7d [INFO] running `Command { std: "docker" "start" "-a" "12f0eb2e313f8aba1787a67828ebf9c1ef83d179de18d3d3f0c72c5d5f34fc7d", 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" "12f0eb2e313f8aba1787a67828ebf9c1ef83d179de18d3d3f0c72c5d5f34fc7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f0eb2e313f8aba1787a67828ebf9c1ef83d179de18d3d3f0c72c5d5f34fc7d", kill_on_drop: false }` [INFO] [stdout] 12f0eb2e313f8aba1787a67828ebf9c1ef83d179de18d3d3f0c72c5d5f34fc7d