[INFO] fetching crate raingrep 0.1.0... [INFO] testing raingrep-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate raingrep 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate raingrep 0.1.0 [INFO] finished tweaking crates.io crate raingrep 0.1.0 [INFO] tweaked toml for crates.io crate raingrep 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate raingrep 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate raingrep 0.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f0ecfdd3b3d1f18acad44e05dfc65a07bb805aea2f5f918bd4e7971e76f8c45 [INFO] running `Command { std: "docker" "start" "-a" "2f0ecfdd3b3d1f18acad44e05dfc65a07bb805aea2f5f918bd4e7971e76f8c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f0ecfdd3b3d1f18acad44e05dfc65a07bb805aea2f5f918bd4e7971e76f8c45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0ecfdd3b3d1f18acad44e05dfc65a07bb805aea2f5f918bd4e7971e76f8c45", kill_on_drop: false }` [INFO] [stdout] 2f0ecfdd3b3d1f18acad44e05dfc65a07bb805aea2f5f918bd4e7971e76f8c45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dff1cbb3546ebeac7d015d6f5a1684f215f3e8d7520817f398c3d91e1ceba050 [INFO] running `Command { std: "docker" "start" "-a" "dff1cbb3546ebeac7d015d6f5a1684f215f3e8d7520817f398c3d91e1ceba050", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling structopt-derive v0.4.10 [INFO] [stderr] Compiling structopt v0.3.17 [INFO] [stderr] Compiling raingrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `info` and `warn` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use log::{info, warn, trace}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s [INFO] running `Command { std: "docker" "inspect" "dff1cbb3546ebeac7d015d6f5a1684f215f3e8d7520817f398c3d91e1ceba050", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dff1cbb3546ebeac7d015d6f5a1684f215f3e8d7520817f398c3d91e1ceba050", kill_on_drop: false }` [INFO] [stdout] dff1cbb3546ebeac7d015d6f5a1684f215f3e8d7520817f398c3d91e1ceba050 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4600447a87cb149943d0245a86ecf74d187d31daffc569342e9fb298b167d691 [INFO] running `Command { std: "docker" "start" "-a" "4600447a87cb149943d0245a86ecf74d187d31daffc569342e9fb298b167d691", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `info` and `warn` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use log::{info, warn, trace}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling predicates v1.0.5 [INFO] [stderr] Compiling assert_cmd v0.10.2 [INFO] [stderr] Compiling raingrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `info` and `warn` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use log::{info, warn, trace}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/cli.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | find_matches("lorem ipsum\ndolor sit amet", "lorem", stdout); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = find_matches("lorem ipsum\ndolor sit amet", "lorem", stdout); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | find_matches("lorem ipsum\ndolor sit amet", "lorem", &mut result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = find_matches("lorem ipsum\ndolor sit amet", "lorem", &mut result); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 18.77s [INFO] running `Command { std: "docker" "inspect" "4600447a87cb149943d0245a86ecf74d187d31daffc569342e9fb298b167d691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4600447a87cb149943d0245a86ecf74d187d31daffc569342e9fb298b167d691", kill_on_drop: false }` [INFO] [stdout] 4600447a87cb149943d0245a86ecf74d187d31daffc569342e9fb298b167d691 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d7c36e3ca87cbaabf3104c2c254ecc57a642b4461c36fd5168e510720e03d58a [INFO] running `Command { std: "docker" "start" "-a" "d7c36e3ca87cbaabf3104c2c254ecc57a642b4461c36fd5168e510720e03d58a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `info` and `warn` [INFO] [stderr] --> src/main.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | use log::{info, warn, trace}; [INFO] [stderr] | ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:24:20 [INFO] [stderr] | [INFO] [stderr] 24 | struct CustomError(String); [INFO] [stderr] | ----------- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 54 | let _ = pattern::find_matches(content.as_str(), &args.pattern, &mut handle); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `raingrep` (bin "raingrep") generated 4 warnings (run `cargo fix --bin "raingrep"` to apply 2 suggestions) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | find_matches("lorem ipsum\ndolor sit amet", "lorem", stdout); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 17 | let _ = find_matches("lorem ipsum\ndolor sit amet", "lorem", stdout); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | find_matches("lorem ipsum\ndolor sit amet", "lorem", &mut result); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 24 | let _ = find_matches("lorem ipsum\ndolor sit amet", "lorem", &mut result); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> tests/cli.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `raingrep` (lib test) generated 2 warnings [INFO] [stderr] warning: `raingrep` (test "cli") generated 1 warning (run `cargo fix --test "cli"` to apply 1 suggestion) [INFO] [stderr] warning: `raingrep` (bin "raingrep" test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/raingrep-ef8449dae7f5f710) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test pattern::find_a_match_use_string ... ok [INFO] [stdout] lorem ipsum [INFO] [stdout] test pattern::find_a_match ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raingrep-1adc0d722753ede7) [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] [stderr] Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-f7886ffc1491d8f9) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test find_empty_char_in_file ... ok [INFO] [stdout] test file_doesnt_exist ... ok [INFO] [stdout] test find_content_in_file ... ok [INFO] [stderr] Doc-tests raingrep [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.21s [INFO] [stdout] [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" "d7c36e3ca87cbaabf3104c2c254ecc57a642b4461c36fd5168e510720e03d58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7c36e3ca87cbaabf3104c2c254ecc57a642b4461c36fd5168e510720e03d58a", kill_on_drop: false }` [INFO] [stdout] d7c36e3ca87cbaabf3104c2c254ecc57a642b4461c36fd5168e510720e03d58a