[INFO] cloning repository https://github.com/fcsonline/trawler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fcsonline/trawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcsonline%2Ftrawler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcsonline%2Ftrawler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4360162f2d7a64e0b931dc238e6d00ec359e1ae3 [INFO] testing fcsonline/trawler against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcsonline%2Ftrawler" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fcsonline/trawler on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fcsonline/trawler [INFO] finished tweaking git repo https://github.com/fcsonline/trawler [INFO] tweaked toml for git repo https://github.com/fcsonline/trawler written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/fcsonline/trawler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b31b1d043fb299a3ea18c9378bfb96da1886c659a6cbb6af5e4bc505a910fc20 [INFO] running `Command { std: "docker" "start" "-a" "b31b1d043fb299a3ea18c9378bfb96da1886c659a6cbb6af5e4bc505a910fc20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b31b1d043fb299a3ea18c9378bfb96da1886c659a6cbb6af5e4bc505a910fc20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b31b1d043fb299a3ea18c9378bfb96da1886c659a6cbb6af5e4bc505a910fc20", kill_on_drop: false }` [INFO] [stdout] b31b1d043fb299a3ea18c9378bfb96da1886c659a6cbb6af5e4bc505a910fc20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1bf92b4c7407659623a5a486c7db4851c1620d3b23a9016c6cfdcd3eab74338 [INFO] running `Command { std: "docker" "start" "-a" "a1bf92b4c7407659623a5a486c7db4851c1620d3b23a9016c6cfdcd3eab74338", 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] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.3 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling notify v4.0.6 [INFO] [stderr] Compiling trawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib/step.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stdout] 4 + fn execute(&self, buffer: &Buffer) -> std::io::Result; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/write.rs:18:59 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 18 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/hash.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/echo.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/reverse.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/catalog.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | pub steps: HashMap> [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 - pub steps: HashMap> [INFO] [stdout] 8 + pub steps: HashMap> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/catalog.rs:13:44 [INFO] [stdout] | [INFO] [stdout] 13 | let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] 13 + let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.61s [INFO] running `Command { std: "docker" "inspect" "a1bf92b4c7407659623a5a486c7db4851c1620d3b23a9016c6cfdcd3eab74338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1bf92b4c7407659623a5a486c7db4851c1620d3b23a9016c6cfdcd3eab74338", kill_on_drop: false }` [INFO] [stdout] a1bf92b4c7407659623a5a486c7db4851c1620d3b23a9016c6cfdcd3eab74338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 684dc00f9bf5f6bb8e29813b3a026803661a03d574736fe52c9d9cc1f115dd81 [INFO] running `Command { std: "docker" "start" "-a" "684dc00f9bf5f6bb8e29813b3a026803661a03d574736fe52c9d9cc1f115dd81", kill_on_drop: false }` [INFO] [stderr] Compiling trawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib/step.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stdout] 4 + fn execute(&self, buffer: &Buffer) -> std::io::Result; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/write.rs:18:59 [INFO] [stdout] | [INFO] [stdout] 18 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 18 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/hash.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/echo.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/steps/reverse.rs:16:59 [INFO] [stdout] | [INFO] [stdout] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stdout] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/catalog.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | pub steps: HashMap> [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 - pub steps: HashMap> [INFO] [stdout] 8 + pub steps: HashMap> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/catalog.rs:13:44 [INFO] [stdout] | [INFO] [stdout] 13 | let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] 13 + let mut steps: HashMap> = HashMap::new(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/trawler-e3a7b5c530f28db2) [INFO] running `Command { std: "docker" "inspect" "684dc00f9bf5f6bb8e29813b3a026803661a03d574736fe52c9d9cc1f115dd81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "684dc00f9bf5f6bb8e29813b3a026803661a03d574736fe52c9d9cc1f115dd81", kill_on_drop: false }` [INFO] [stdout] 684dc00f9bf5f6bb8e29813b3a026803661a03d574736fe52c9d9cc1f115dd81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] af253affe9940ce549911dbf09fc6ac5719e3cab14c413b2fc9f756e665bf53b [INFO] running `Command { std: "docker" "start" "-a" "af253affe9940ce549911dbf09fc6ac5719e3cab14c413b2fc9f756e665bf53b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib/step.rs:4:59 [INFO] [stderr] | [INFO] [stderr] 4 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)>; [INFO] [stderr] 4 + fn execute(&self, buffer: &Buffer) -> std::io::Result; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/steps/write.rs:18:59 [INFO] [stderr] | [INFO] [stderr] 18 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 18 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] 18 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/steps/hash.rs:16:59 [INFO] [stderr] | [INFO] [stderr] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/steps/echo.rs:16:59 [INFO] [stderr] | [INFO] [stderr] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/steps/reverse.rs:16:59 [INFO] [stderr] | [INFO] [stderr] 16 | fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 16 - fn execute(&self, buffer: &Buffer) -> std::io::Result<(Buffer)> { [INFO] [stderr] 16 + fn execute(&self, buffer: &Buffer) -> std::io::Result { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/catalog.rs:8:36 [INFO] [stderr] | [INFO] [stderr] 8 | pub steps: HashMap> [INFO] [stderr] | ^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 8 - pub steps: HashMap> [INFO] [stderr] 8 + pub steps: HashMap> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/catalog.rs:13:44 [INFO] [stderr] | [INFO] [stderr] 13 | let mut steps: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 13 - let mut steps: HashMap> = HashMap::new(); [INFO] [stderr] 13 + let mut steps: HashMap> = HashMap::new(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `trawler` (bin "trawler" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.24s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/trawler-e3a7b5c530f28db2) [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" "af253affe9940ce549911dbf09fc6ac5719e3cab14c413b2fc9f756e665bf53b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af253affe9940ce549911dbf09fc6ac5719e3cab14c413b2fc9f756e665bf53b", kill_on_drop: false }` [INFO] [stdout] af253affe9940ce549911dbf09fc6ac5719e3cab14c413b2fc9f756e665bf53b