[INFO] updating cached repository https://github.com/tp2-luan-caio/kwic [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6fbd14c2d949576ea7899c45aaf272969a2fdb3c [INFO] testing tp2-luan-caio/kwic against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftp2-luan-caio%2Fkwic" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tp2-luan-caio/kwic on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tp2-luan-caio/kwic [INFO] finished tweaking git repo https://github.com/tp2-luan-caio/kwic [INFO] tweaked toml for git repo https://github.com/tp2-luan-caio/kwic written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tp2-luan-caio/kwic already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 5b329abe741767e498d7582499fdd1e734600730509ecf0a0c5180e66e6c8e10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "5b329abe741767e498d7582499fdd1e734600730509ecf0a0c5180e66e6c8e10"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling socket2 v0.3.5 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling openssl-sys v0.9.30 [INFO] [stderr] Compiling curl-sys v0.4.5 (https://github.com/carllerche/curl-rust#55a36b44) [INFO] [stderr] Compiling curl v0.4.12 (https://github.com/carllerche/curl-rust#55a36b44) [INFO] [stderr] Compiling kwic v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/index_manager.rs:31:49 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn count(&mut self, word_list: &mut InputManager) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn InputManager` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/main.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/main.rs:19:6 [INFO] [stderr] | [INFO] [stderr] 19 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `text_output_manager::text_output_manager::TextOutputManager` [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | use text_output_manager::text_output_manager::TextOutputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/dblp_input_manager.rs:34:21 [INFO] [stderr] | [INFO] [stderr] 34 | let mut text = String::from(line); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/shell_output_manager.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut file = File::create("file/output.txt"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:22:25 [INFO] [stderr] | [INFO] [stderr] 22 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/text_output_manager.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | file.unwrap().write(text.as_ref()); [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] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 19s [INFO] running `"docker" "inspect" "5b329abe741767e498d7582499fdd1e734600730509ecf0a0c5180e66e6c8e10"` [INFO] running `"docker" "rm" "-f" "5b329abe741767e498d7582499fdd1e734600730509ecf0a0c5180e66e6c8e10"` [INFO] [stdout] 5b329abe741767e498d7582499fdd1e734600730509ecf0a0c5180e66e6c8e10 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dc79bc58d30b9f4047d13a393e1619393350917f293343caa63310ac291c0b3a [INFO] running `"docker" "start" "-a" "dc79bc58d30b9f4047d13a393e1619393350917f293343caa63310ac291c0b3a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling kwic v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/index_manager.rs:31:49 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn count(&mut self, word_list: &mut InputManager) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn InputManager` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/main.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/main.rs:19:6 [INFO] [stderr] | [INFO] [stderr] 19 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `text_output_manager::text_output_manager::TextOutputManager` [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | use text_output_manager::text_output_manager::TextOutputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/dblp_input_manager.rs:34:21 [INFO] [stderr] | [INFO] [stderr] 34 | let mut text = String::from(line); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/shell_output_manager.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut file = File::create("file/output.txt"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:22:25 [INFO] [stderr] | [INFO] [stderr] 22 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/text_output_manager.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | file.unwrap().write(text.as_ref()); [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] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "dc79bc58d30b9f4047d13a393e1619393350917f293343caa63310ac291c0b3a"` [INFO] running `"docker" "rm" "-f" "dc79bc58d30b9f4047d13a393e1619393350917f293343caa63310ac291c0b3a"` [INFO] [stdout] dc79bc58d30b9f4047d13a393e1619393350917f293343caa63310ac291c0b3a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stdout] 7ead56f84949a627772713def906617535061d3d5e74614f162d3fa8513cd278 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "7ead56f84949a627772713def906617535061d3d5e74614f162d3fa8513cd278"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/stop_word_manager.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/index_manager.rs:31:49 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn count(&mut self, word_list: &mut InputManager) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn InputManager` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `shell_input_manager::shell_input_manager::ShellInputManager` [INFO] [stderr] --> src/main.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | use shell_input_manager::shell_input_manager::ShellInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `dblp_input_manager::dblp_input_manager::DBLPInputManager` [INFO] [stderr] --> src/main.rs:19:6 [INFO] [stderr] | [INFO] [stderr] 19 | use dblp_input_manager::dblp_input_manager::DBLPInputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `text_output_manager::text_output_manager::TextOutputManager` [INFO] [stderr] --> src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | use text_output_manager::text_output_manager::TextOutputManager; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/dblp_input_manager.rs:34:21 [INFO] [stderr] | [INFO] [stderr] 34 | let mut text = String::from(line); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/shell_output_manager.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut file = File::create("file/output.txt"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/text_output_manager.rs:22:25 [INFO] [stderr] | [INFO] [stderr] 22 | let mut a = String::from(&word.0[..]); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/text_output_manager.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | file.unwrap().write(text.as_ref()); [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] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/kwic-9e5323c78291109d [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "7ead56f84949a627772713def906617535061d3d5e74614f162d3fa8513cd278"` [INFO] running `"docker" "rm" "-f" "7ead56f84949a627772713def906617535061d3d5e74614f162d3fa8513cd278"` [INFO] [stdout] 7ead56f84949a627772713def906617535061d3d5e74614f162d3fa8513cd278