[INFO] cloning repository https://github.com/kapitanov/rust-grep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kapitanov/rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkapitanov%2Frust-grep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkapitanov%2Frust-grep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23d6a3d98837751c974061b13651432753ed0436 [INFO] testing kapitanov/rust-grep against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkapitanov%2Frust-grep" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kapitanov/rust-grep on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kapitanov/rust-grep [INFO] finished tweaking git repo https://github.com/kapitanov/rust-grep [INFO] tweaked toml for git repo https://github.com/kapitanov/rust-grep written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/kapitanov/rust-grep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c5e18ff9731764a9bdcda9ea8c17560a1da0e777ef52b57897acb83e99ac14f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8c5e18ff9731764a9bdcda9ea8c17560a1da0e777ef52b57897acb83e99ac14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c5e18ff9731764a9bdcda9ea8c17560a1da0e777ef52b57897acb83e99ac14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c5e18ff9731764a9bdcda9ea8c17560a1da0e777ef52b57897acb83e99ac14f", kill_on_drop: false }` [INFO] [stdout] 8c5e18ff9731764a9bdcda9ea8c17560a1da0e777ef52b57897acb83e99ac14f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be1d39ec6ac85e034e6de1c2fdcbf781d2c901c4fe536e98eeeb0bbfa7045430 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "be1d39ec6ac85e034e6de1c2fdcbf781d2c901c4fe536e98eeeb0bbfa7045430", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling rustgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:17:72 [INFO] [stdout] | [INFO] [stdout] 17 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String>; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | patterns: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:31:35 [INFO] [stdout] | [INFO] [stdout] 31 | let mut patterns: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:129:30 [INFO] [stdout] | [INFO] [stdout] 129 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:139:72 [INFO] [stdout] | [INFO] [stdout] 139 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:167:30 [INFO] [stdout] | [INFO] [stdout] 167 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:177:72 [INFO] [stdout] | [INFO] [stdout] 177 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/grep.rs:184:42 [INFO] [stdout] | [INFO] [stdout] 184 | let err = String::from(e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.90s [INFO] running `Command { std: "docker" "inspect" "be1d39ec6ac85e034e6de1c2fdcbf781d2c901c4fe536e98eeeb0bbfa7045430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be1d39ec6ac85e034e6de1c2fdcbf781d2c901c4fe536e98eeeb0bbfa7045430", kill_on_drop: false }` [INFO] [stdout] be1d39ec6ac85e034e6de1c2fdcbf781d2c901c4fe536e98eeeb0bbfa7045430 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74f67e98a2997ee04c7db69bac898d07c212219a1d3842c04128419fb42e8cd1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "74f67e98a2997ee04c7db69bac898d07c212219a1d3842c04128419fb42e8cd1", kill_on_drop: false }` [INFO] [stderr] Compiling rustgrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:17:72 [INFO] [stdout] | [INFO] [stdout] 17 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String>; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | patterns: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:31:35 [INFO] [stdout] | [INFO] [stdout] 31 | let mut patterns: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:129:30 [INFO] [stdout] | [INFO] [stdout] 129 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:139:72 [INFO] [stdout] | [INFO] [stdout] 139 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:167:30 [INFO] [stdout] | [INFO] [stdout] 167 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:177:72 [INFO] [stdout] | [INFO] [stdout] 177 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/grep.rs:184:42 [INFO] [stdout] | [INFO] [stdout] 184 | let err = String::from(e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "74f67e98a2997ee04c7db69bac898d07c212219a1d3842c04128419fb42e8cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f67e98a2997ee04c7db69bac898d07c212219a1d3842c04128419fb42e8cd1", kill_on_drop: false }` [INFO] [stdout] 74f67e98a2997ee04c7db69bac898d07c212219a1d3842c04128419fb42e8cd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 61a77162591b1ac541fe0dbb48917f4c2ae5fb43896f19b483041e0396f38439 [INFO] running `Command { std: "docker" "start" "-a" "61a77162591b1ac541fe0dbb48917f4c2ae5fb43896f19b483041e0396f38439", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:17:72 [INFO] [stderr] | [INFO] [stderr] 17 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String>; [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:21:23 [INFO] [stderr] | [INFO] [stderr] 21 | patterns: Vec>, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:31:35 [INFO] [stderr] | [INFO] [stderr] 31 | let mut patterns: Vec> = vec![]; [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:129:30 [INFO] [stderr] | [INFO] [stderr] 129 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:139:72 [INFO] [stderr] | [INFO] [stderr] 139 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:167:30 [INFO] [stderr] | [INFO] [stderr] 167 | fn instance<'a>() -> &'a PatternFactory { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:177:72 [INFO] [stderr] | [INFO] [stderr] 177 | fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result, String> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Pattern` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/grep.rs:184:42 [INFO] [stderr] | [INFO] [stderr] 184 | let err = String::from(e.description()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rustgrep` (bin "rustgrep" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustgrep-288f314e4d0f5830) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test grep::tests::contains_none ... ok [INFO] [stdout] test grep::tests::contains_few ... ok [INFO] [stdout] test grep::tests::contains_one ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "61a77162591b1ac541fe0dbb48917f4c2ae5fb43896f19b483041e0396f38439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a77162591b1ac541fe0dbb48917f4c2ae5fb43896f19b483041e0396f38439", kill_on_drop: false }` [INFO] [stdout] 61a77162591b1ac541fe0dbb48917f4c2ae5fb43896f19b483041e0396f38439