[INFO] fetching crate dd-lib 0.2.1... [INFO] testing dd-lib-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate dd-lib 0.2.1 into /workspace/builds/worker-28/source [INFO] validating manifest of crates.io crate dd-lib 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dd-lib 0.2.1 [INFO] finished tweaking crates.io crate dd-lib 0.2.1 [INFO] tweaked toml for crates.io crate dd-lib 0.2.1 written to /workspace/builds/worker-28/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded encoding8 v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b4741ab05ac1836f07e7f41c8f9f7e8775499540d436fad03b3c35219772af9 [INFO] running `Command { std: "docker" "start" "-a" "3b4741ab05ac1836f07e7f41c8f9f7e8775499540d436fad03b3c35219772af9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b4741ab05ac1836f07e7f41c8f9f7e8775499540d436fad03b3c35219772af9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4741ab05ac1836f07e7f41c8f9f7e8775499540d436fad03b3c35219772af9", kill_on_drop: false }` [INFO] [stdout] 3b4741ab05ac1836f07e7f41c8f9f7e8775499540d436fad03b3c35219772af9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bb64ff73a4f39a92253abecb63c0cfae55a532ec760e68fcac0f352db16d309 [INFO] running `Command { std: "docker" "start" "-a" "3bb64ff73a4f39a92253abecb63c0cfae55a532ec760e68fcac0f352db16d309", kill_on_drop: false }` [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling encoding8 v0.3.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling dd-lib v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around assigned value [INFO] [stdout] --> src/opts/flags/iflag.rs:71:22 [INFO] [stdout] | [INFO] [stdout] 71 | flags |= { Self::from_str(flag)? }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 71 - flags |= { Self::from_str(flag)? }; [INFO] [stdout] 71 + flags |= Self::from_str(flag)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | writeln!(self.e, "io error: <{}>; continuing", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | / writeln!( [INFO] [stdout] 73 | | self, [INFO] [stdout] 74 | | "dd in progress: unblock: elapsed: {}, wrote {} lines", [INFO] [stdout] 75 | | elapsed(&start), [INFO] [stdout] 76 | | lines [INFO] [stdout] 77 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | / writeln!( [INFO] [stdout] 84 | | self, [INFO] [stdout] 85 | | "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks", [INFO] [stdout] 86 | | elapsed(&start), [INFO] [stdout] 87 | | blocks [INFO] [stdout] 88 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.50s [INFO] running `Command { std: "docker" "inspect" "3bb64ff73a4f39a92253abecb63c0cfae55a532ec760e68fcac0f352db16d309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bb64ff73a4f39a92253abecb63c0cfae55a532ec760e68fcac0f352db16d309", kill_on_drop: false }` [INFO] [stdout] 3bb64ff73a4f39a92253abecb63c0cfae55a532ec760e68fcac0f352db16d309 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b4aae001a9e778b8a0f29d32439133f6638d48fdcc1fdb8e748b21987f4b171 [INFO] running `Command { std: "docker" "start" "-a" "3b4aae001a9e778b8a0f29d32439133f6638d48fdcc1fdb8e748b21987f4b171", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unnecessary braces around assigned value [INFO] [stdout] --> src/opts/flags/iflag.rs:71:22 [INFO] [stdout] | [INFO] [stdout] 71 | flags |= { Self::from_str(flag)? }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 71 - flags |= { Self::from_str(flag)? }; [INFO] [stdout] 71 + flags |= Self::from_str(flag)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling dd-lib v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | writeln!(self.e, "io error: <{}>; continuing", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | / writeln!( [INFO] [stdout] 73 | | self, [INFO] [stdout] 74 | | "dd in progress: unblock: elapsed: {}, wrote {} lines", [INFO] [stdout] 75 | | elapsed(&start), [INFO] [stdout] 76 | | lines [INFO] [stdout] 77 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | / writeln!( [INFO] [stdout] 84 | | self, [INFO] [stdout] 85 | | "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks", [INFO] [stdout] 86 | | elapsed(&start), [INFO] [stdout] 87 | | blocks [INFO] [stdout] 88 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/tests.rs:17:56 [INFO] [stdout] | [INFO] [stdout] 17 | fn write(&mut self, buf: &[u8]) -> std::io::Result<(usize)> { Ok(buf.len()) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 17 - fn write(&mut self, buf: &[u8]) -> std::io::Result<(usize)> { Ok(buf.len()) } [INFO] [stdout] 17 + fn write(&mut self, buf: &[u8]) -> std::io::Result { Ok(buf.len()) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around assigned value [INFO] [stdout] --> src/opts/flags/iflag.rs:71:22 [INFO] [stdout] | [INFO] [stdout] 71 | flags |= { Self::from_str(flag)? }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 71 - flags |= { Self::from_str(flag)? }; [INFO] [stdout] 71 + flags |= Self::from_str(flag)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | writeln!(self.e, "io error: <{}>; continuing", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | / writeln!( [INFO] [stdout] 73 | | self, [INFO] [stdout] 74 | | "dd in progress: unblock: elapsed: {}, wrote {} lines", [INFO] [stdout] 75 | | elapsed(&start), [INFO] [stdout] 76 | | lines [INFO] [stdout] 77 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/io/errhandler.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | / writeln!( [INFO] [stdout] 84 | | self, [INFO] [stdout] 85 | | "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks", [INFO] [stdout] 86 | | elapsed(&start), [INFO] [stdout] 87 | | blocks [INFO] [stdout] 88 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.78s [INFO] running `Command { std: "docker" "inspect" "3b4aae001a9e778b8a0f29d32439133f6638d48fdcc1fdb8e748b21987f4b171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4aae001a9e778b8a0f29d32439133f6638d48fdcc1fdb8e748b21987f4b171", kill_on_drop: false }` [INFO] [stdout] 3b4aae001a9e778b8a0f29d32439133f6638d48fdcc1fdb8e748b21987f4b171 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9efd6eb53e0434a7fe2ed933dc3ddcd1f272fff44bb3b2c12e94dce2a4c635de [INFO] running `Command { std: "docker" "start" "-a" "9efd6eb53e0434a7fe2ed933dc3ddcd1f272fff44bb3b2c12e94dce2a4c635de", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary braces around assigned value [INFO] [stderr] --> src/opts/flags/iflag.rs:71:22 [INFO] [stderr] | [INFO] [stderr] 71 | flags |= { Self::from_str(flag)? }; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 71 - flags |= { Self::from_str(flag)? }; [INFO] [stderr] 71 + flags |= Self::from_str(flag)?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/io/errhandler.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | writeln!(self.e, "io error: <{}>; continuing", err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/io/errhandler.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / writeln!( [INFO] [stderr] 73 | | self, [INFO] [stderr] 74 | | "dd in progress: unblock: elapsed: {}, wrote {} lines", [INFO] [stderr] 75 | | elapsed(&start), [INFO] [stderr] 76 | | lines [INFO] [stderr] 77 | | ); [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/io/errhandler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | / writeln!( [INFO] [stderr] 84 | | self, [INFO] [stderr] 85 | | "dd in progress: unblock: elapsed: {}, wrote {} fixed-length blocks", [INFO] [stderr] 86 | | elapsed(&start), [INFO] [stderr] 87 | | blocks [INFO] [stderr] 88 | | ); [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/io/tests.rs:17:56 [INFO] [stderr] | [INFO] [stderr] 17 | fn write(&mut self, buf: &[u8]) -> std::io::Result<(usize)> { Ok(buf.len()) } [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 17 - fn write(&mut self, buf: &[u8]) -> std::io::Result<(usize)> { Ok(buf.len()) } [INFO] [stderr] 17 + fn write(&mut self, buf: &[u8]) -> std::io::Result { Ok(buf.len()) } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `dd-lib` (lib) generated 4 warnings [INFO] [stderr] warning: `dd-lib` (lib test) generated 5 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dd_lib-fdb9858ab73fe929) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test io::tests::test_unblock ... ok [INFO] [stdout] test io::tests::test_standard ... ok [INFO] [stdout] test opts::flags::tests::cflag ... ok [INFO] [stdout] test opts::flags::tests::iflag ... ok [INFO] [stdout] test opts::flags::tests::oflag ... ok [INFO] [stdout] test io::tests::test_block ... ok [INFO] [stdout] test io::tests::test_limited_copy ... ok [INFO] [stdout] test tests::block ... ok [INFO] [stdout] test tests::seek_input_and_block_size ... ok [INFO] [stdout] test tests::base_case ... ok [INFO] [stdout] test tests::conversion_to_uppercase ... ok [INFO] [stderr] Doc-tests dd-lib [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.56s [INFO] [stdout] [INFO] [stderr] warning: unnecessary braces around assigned value [INFO] [stderr] --> /opt/rustwide/workdir/src/opts/flags/iflag.rs:71:22 [INFO] [stderr] | [INFO] [stderr] 71 | flags |= { Self::from_str(flag)? }; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 71 - flags |= { Self::from_str(flag)? }; [INFO] [stderr] 71 + flags |= Self::from_str(flag)?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/opts/mod.rs - opts::Opts::iflag (line 302) ... ok [INFO] [stdout] test src/opts/mod.rs - opts::keyval (line 328) ... ok [INFO] [stdout] test src/opts/number.rs - opts::number::parse (line 10) ... ok [INFO] [stdout] test src/io/copy.rs - io::copy::fill_buf_until_match (line 168) ... ok [INFO] [stdout] test src/io/copy.rs - io::copy::fill_buf_to (line 191) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9efd6eb53e0434a7fe2ed933dc3ddcd1f272fff44bb3b2c12e94dce2a4c635de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9efd6eb53e0434a7fe2ed933dc3ddcd1f272fff44bb3b2c12e94dce2a4c635de", kill_on_drop: false }` [INFO] [stdout] 9efd6eb53e0434a7fe2ed933dc3ddcd1f272fff44bb3b2c12e94dce2a4c635de