[INFO] cloning repository https://github.com/PhilboBaggins/quick-ai [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilboBaggins/quick-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fquick-ai", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fquick-ai'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 275a90a96c607f0f1866ff715a1366b991716606 [INFO] building PhilboBaggins/quick-ai against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fquick-ai" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/PhilboBaggins/quick-ai [INFO] finished tweaking git repo https://github.com/PhilboBaggins/quick-ai [INFO] tweaked toml for git repo https://github.com/PhilboBaggins/quick-ai written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/PhilboBaggins/quick-ai on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/PhilboBaggins/quick-ai 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.3.2 [INFO] [stderr] Downloaded core-foundation-sys v0.8.4 [INFO] [stderr] Downloaded lock_api v0.4.10 [INFO] [stderr] Downloaded parking_lot_core v0.9.8 [INFO] [stderr] Downloaded derive_builder_macro v0.20.0 [INFO] [stderr] Downloaded serde_repr v0.1.16 [INFO] [stderr] Downloaded enumflags2 v0.7.8 [INFO] [stderr] Downloaded futures v0.3.28 [INFO] [stderr] Downloaded serde_json v1.0.107 [INFO] [stderr] Downloaded async-convert v1.0.0 [INFO] [stderr] Downloaded derive_builder_core v0.20.0 [INFO] [stderr] Downloaded derive_builder v0.20.0 [INFO] [stderr] Downloaded darling_core v0.20.9 [INFO] [stderr] Downloaded tempfile v3.8.0 [INFO] [stderr] Downloaded rustix v0.37.23 [INFO] [stderr] Downloaded url v2.4.1 [INFO] [stderr] Downloaded serde_derive v1.0.188 [INFO] [stderr] Downloaded indexmap v2.0.0 [INFO] [stderr] Downloaded hyper-rustls v0.26.0 [INFO] [stderr] Downloaded serde v1.0.188 [INFO] [stderr] Downloaded zvariant v3.15.0 [INFO] [stderr] Downloaded hashbrown v0.14.0 [INFO] [stderr] Downloaded winnow v0.5.15 [INFO] [stderr] Downloaded aho-corasick v1.0.5 [INFO] [stderr] Downloaded zbus v3.14.1 [INFO] [stderr] Downloaded ipnet v2.8.0 [INFO] [stderr] Downloaded block-modes v0.8.1 [INFO] [stderr] Downloaded num-complex v0.4.4 [INFO] [stderr] Downloaded errno v0.3.3 [INFO] [stderr] Downloaded regex v1.9.5 [INFO] [stderr] Downloaded zbus_macros v3.14.1 [INFO] [stderr] Downloaded rustix v0.38.13 [INFO] [stderr] Downloaded enumflags2_derive v0.7.8 [INFO] [stderr] Downloaded zvariant_derive v3.15.0 [INFO] [stderr] Downloaded futures-executor v0.3.28 [INFO] [stderr] Downloaded regex-syntax v0.7.5 [INFO] [stderr] Downloaded thiserror v1.0.48 [INFO] [stderr] Downloaded sha2 v0.10.7 [INFO] [stderr] Downloaded async-executor v1.5.1 [INFO] [stderr] Downloaded tracing-attributes v0.1.26 [INFO] [stderr] Downloaded uds_windows v1.0.2 [INFO] [stderr] Downloaded xdg-home v1.0.0 [INFO] [stderr] Downloaded linux-raw-sys v0.4.7 [INFO] [stderr] Downloaded darling_macro v0.20.9 [INFO] [stderr] Downloaded darling v0.20.9 [INFO] [stderr] Downloaded futures-timer v3.0.2 [INFO] [stderr] Downloaded ryu v1.0.15 [INFO] [stderr] Downloaded regex-automata v0.3.8 [INFO] [stderr] Downloaded thiserror-impl v1.0.48 [INFO] [stderr] Downloaded anstyle v1.0.3 [INFO] [stderr] Downloaded linux-keyutils v0.2.3 [INFO] [stderr] Downloaded num-traits v0.2.16 [INFO] [stderr] Downloaded async-process v1.7.0 [INFO] [stderr] Downloaded async-recursion v1.0.5 [INFO] [stderr] Downloaded concurrent-queue v2.2.0 [INFO] [stderr] Downloaded atomic-waker v1.1.1 [INFO] [stderr] Downloaded parking v2.1.0 [INFO] [stderr] Downloaded waker-fn v1.1.0 [INFO] [stderr] Downloaded cpufeatures v0.2.9 [INFO] [stderr] Downloaded fastrand v2.0.0 [INFO] [stderr] Downloaded bitflags v2.4.0 [INFO] [stderr] Downloaded zbus_names v2.6.0 [INFO] [stderr] Downloaded gimli v0.28.0 [INFO] [stderr] Downloaded syn v2.0.35 [INFO] [stderr] Downloaded async-openai v0.21.0 [INFO] [stderr] Downloaded num v0.4.1 [INFO] [stderr] Downloaded async-trait v0.1.73 [INFO] [stderr] Downloaded async-task v4.4.0 [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded futures-io v0.3.28 [INFO] [stderr] Downloaded futures-macro v0.3.28 [INFO] [stderr] Downloaded memchr v2.6.3 [INFO] [stderr] Downloaded secret-service v3.0.1 [INFO] [stderr] Downloaded keyring v2.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 384177befa3bf3573b80bf55d88d7b010b6af7ebbc96bbadf4db5f883c76b4f4 [INFO] running `Command { std: "docker" "start" "-a" "384177befa3bf3573b80bf55d88d7b010b6af7ebbc96bbadf4db5f883c76b4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "384177befa3bf3573b80bf55d88d7b010b6af7ebbc96bbadf4db5f883c76b4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384177befa3bf3573b80bf55d88d7b010b6af7ebbc96bbadf4db5f883c76b4f4", kill_on_drop: false }` [INFO] [stdout] 384177befa3bf3573b80bf55d88d7b010b6af7ebbc96bbadf4db5f883c76b4f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3dc142339498b40533d0fe08c25f148b5585071f64d5e1d960a85e521b4ba96 [INFO] running `Command { std: "docker" "start" "-a" "f3dc142339498b40533d0fe08c25f148b5585071f64d5e1d960a85e521b4ba96", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.83 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling toml_datetime v0.6.3 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling rustls-pki-types v1.7.0 [INFO] [stderr] Compiling http v1.1.0 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling concurrent-queue v2.2.0 [INFO] [stderr] Compiling parking v2.1.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling async-lock v2.8.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling try-lock v0.2.4 [INFO] [stderr] Compiling syn v2.0.35 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling async-trait v0.1.73 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling aho-corasick v1.0.5 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling http-body v1.0.0 [INFO] [stderr] Compiling tower-layer v0.3.2 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling cpufeatures v0.2.9 [INFO] [stderr] Compiling async-task v4.4.0 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling atomic-waker v1.1.1 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling blocking v1.3.1 [INFO] [stderr] Compiling rustls-pemfile v2.1.2 [INFO] [stderr] Compiling cipher v0.3.0 [INFO] [stderr] Compiling thiserror v1.0.48 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling rustls-native-certs v0.7.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling nix v0.26.4 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling url v2.4.1 [INFO] [stderr] Compiling async-executor v1.5.1 [INFO] [stderr] Compiling num-complex v0.4.4 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling sha1 v0.10.5 [INFO] [stderr] Compiling http-body-util v0.1.1 [INFO] [stderr] Compiling async-broadcast v0.5.1 [INFO] [stderr] Compiling ordered-stream v0.2.0 [INFO] [stderr] Compiling ipnet v2.8.0 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling darling_core v0.20.9 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling aes v0.7.5 [INFO] [stderr] Compiling eventsource-stream v0.2.3 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Compiling block-modes v0.8.1 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling hkdf v0.12.3 [INFO] [stderr] Compiling sha2 v0.10.7 [INFO] [stderr] Compiling xdg-home v1.0.0 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling linux-keyutils v0.2.3 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling zvariant_utils v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling enumflags2_derive v0.7.8 [INFO] [stderr] Compiling serde_repr v0.1.16 [INFO] [stderr] Compiling thiserror-impl v1.0.48 [INFO] [stderr] Compiling zvariant_derive v3.15.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling tokio v1.37.0 [INFO] [stderr] Compiling async-recursion v1.0.5 [INFO] [stderr] Compiling async-convert v1.0.0 [INFO] [stderr] Compiling pin-project v1.1.5 [INFO] [stderr] Compiling regex v1.9.5 [INFO] [stderr] Compiling darling_macro v0.20.9 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling rustls-webpki v0.102.4 [INFO] [stderr] Compiling darling v0.20.9 [INFO] [stderr] Compiling derive_builder_core v0.20.0 [INFO] [stderr] Compiling zbus_macros v3.14.1 [INFO] [stderr] Compiling derive_builder_macro v0.20.0 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling derive_builder v0.20.0 [INFO] [stderr] Compiling futures-executor v0.3.28 [INFO] [stderr] Compiling futures v0.3.28 [INFO] [stderr] Compiling tower v0.4.13 [INFO] [stderr] Compiling hyper v1.3.1 [INFO] [stderr] Compiling tokio-rustls v0.25.0 [INFO] [stderr] Compiling tokio-util v0.7.8 [INFO] [stderr] Compiling backoff v0.4.0 [INFO] [stderr] Compiling tokio-stream v0.1.14 [INFO] [stderr] Compiling enumflags2 v0.7.8 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling secrecy v0.8.0 [INFO] [stderr] Compiling zvariant v3.15.0 [INFO] [stderr] Compiling hyper-util v0.1.3 [INFO] [stderr] Compiling zbus_names v2.6.0 [INFO] [stderr] Compiling hyper-rustls v0.26.0 [INFO] [stderr] Compiling reqwest v0.12.4 [INFO] [stderr] Compiling zbus v3.14.1 [INFO] [stderr] Compiling reqwest-eventsource v0.6.0 [INFO] [stderr] Compiling async-openai v0.21.0 [INFO] [stderr] Compiling secret-service v3.0.1 [INFO] [stderr] Compiling keyring v2.3.3 [INFO] [stderr] Compiling quick-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "f3dc142339498b40533d0fe08c25f148b5585071f64d5e1d960a85e521b4ba96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3dc142339498b40533d0fe08c25f148b5585071f64d5e1d960a85e521b4ba96", kill_on_drop: false }` [INFO] [stdout] f3dc142339498b40533d0fe08c25f148b5585071f64d5e1d960a85e521b4ba96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 912668c0dabd565fe497a9ac95e9802d01d9d8aa7b5126dd9ed8f77ab10db6cd [INFO] running `Command { std: "docker" "start" "-a" "912668c0dabd565fe497a9ac95e9802d01d9d8aa7b5126dd9ed8f77ab10db6cd", kill_on_drop: false }` [INFO] [stderr] Compiling quick-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "912668c0dabd565fe497a9ac95e9802d01d9d8aa7b5126dd9ed8f77ab10db6cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "912668c0dabd565fe497a9ac95e9802d01d9d8aa7b5126dd9ed8f77ab10db6cd", kill_on_drop: false }` [INFO] [stdout] 912668c0dabd565fe497a9ac95e9802d01d9d8aa7b5126dd9ed8f77ab10db6cd