[INFO] cloning repository https://github.com/mark-i-m/jobserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-i-m/jobserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fjobserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fjobserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89bb4faa77d423bdf960097decf1ac5be1b45edd [INFO] testing mark-i-m/jobserver against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fjobserver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mark-i-m/jobserver on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mark-i-m/jobserver [INFO] finished tweaking git repo https://github.com/mark-i-m/jobserver [INFO] tweaked toml for git repo https://github.com/mark-i-m/jobserver written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mark-i-m/jobserver 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded console v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a5ee874578029683f45c3cfc08f52d4a9538170ec13932af66de6fb4ebfce9e [INFO] running `Command { std: "docker" "start" "-a" "7a5ee874578029683f45c3cfc08f52d4a9538170ec13932af66de6fb4ebfce9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a5ee874578029683f45c3cfc08f52d4a9538170ec13932af66de6fb4ebfce9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5ee874578029683f45c3cfc08f52d4a9538170ec13932af66de6fb4ebfce9e", kill_on_drop: false }` [INFO] [stdout] 7a5ee874578029683f45c3cfc08f52d4a9538170ec13932af66de6fb4ebfce9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17d35486cf10e96b2e888569ec6925d9abc68badc0dd2bba36d8f0286eb8f9d3 [INFO] running `Command { std: "docker" "start" "-a" "17d35486cf10e96b2e888569ec6925d9abc68badc0dd2bba36d8f0286eb8f9d3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling once_cell v1.15.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling tracing-core v0.1.30 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling tokio v1.25.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling http v0.2.8 [INFO] [stderr] Compiling futures-io v0.3.24 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling futures-sink v0.3.24 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling io-lifetimes v1.0.3 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling rustix v0.36.6 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling form_urlencoded v1.1.0 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling which v4.2.5 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling prost-build v0.10.4 [INFO] [stderr] Compiling unicode-bidi v0.3.8 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling linux-raw-sys v0.1.4 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling miniz_oxide v0.5.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling ordered-float v2.10.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling idna v0.3.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling object v0.28.4 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling url v2.3.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling thread-id v4.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling encode_unicode v1.0.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling arc-swap v1.5.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling ipnet v2.5.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling console v0.12.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling is-terminal v0.4.2 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling prost-derive v0.10.1 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling prost v0.10.4 [INFO] [stderr] Compiling prost-types v0.10.1 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_yaml v0.8.24 [INFO] [stderr] Compiling serde-value v0.7.0 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling mio v0.8.4 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling expjobserver v0.10.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling log4rs v1.1.1 [INFO] [stderr] Compiling prettytable-rs v0.10.0 [INFO] [stderr] Compiling tokio-util v0.7.4 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.14 [INFO] [stderr] Compiling hyper v0.14.20 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.12 [INFO] [stdout] warning: unused import: `cell` [INFO] [stdout] --> src/bin/client/pretty.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use prettytable::{cell, row, Table}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, traitobject v0.1.0, typemap v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "17d35486cf10e96b2e888569ec6925d9abc68badc0dd2bba36d8f0286eb8f9d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d35486cf10e96b2e888569ec6925d9abc68badc0dd2bba36d8f0286eb8f9d3", kill_on_drop: false }` [INFO] [stdout] 17d35486cf10e96b2e888569ec6925d9abc68badc0dd2bba36d8f0286eb8f9d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4751b74f1a8977719089a37d6b6d1a876fe1b26977b399babd5bd5cbc7a5071 [INFO] running `Command { std: "docker" "start" "-a" "b4751b74f1a8977719089a37d6b6d1a876fe1b26977b399babd5bd5cbc7a5071", kill_on_drop: false }` [INFO] [stderr] Compiling expjobserver v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell` [INFO] [stdout] --> src/bin/client/pretty.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use prettytable::{cell, row, Table}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, traitobject v0.1.0, typemap v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b4751b74f1a8977719089a37d6b6d1a876fe1b26977b399babd5bd5cbc7a5071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4751b74f1a8977719089a37d6b6d1a876fe1b26977b399babd5bd5cbc7a5071", kill_on_drop: false }` [INFO] [stdout] b4751b74f1a8977719089a37d6b6d1a876fe1b26977b399babd5bd5cbc7a5071 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2c6376c956c623677d7c99a36ba4f61237b8398cfa6fb00d53a38b655ef8316d [INFO] running `Command { std: "docker" "start" "-a" "2c6376c956c623677d7c99a36ba4f61237b8398cfa6fb00d53a38b655ef8316d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `cell` [INFO] [stderr] --> src/bin/client/pretty.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use prettytable::{cell, row, Table}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `expjobserver` (bin "j" test) generated 1 warning (run `cargo fix --bin "j" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, traitobject v0.1.0, typemap v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/expjobserver-4a666ec66c76b766) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/server/main.rs (/opt/rustwide/target/debug/deps/expjobserver-a54d26a89ade0534) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/client/main.rs (/opt/rustwide/target/debug/deps/j-bed68d38ce2f0c32) [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] [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] [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] [stderr] Doc-tests expjobserver [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" "2c6376c956c623677d7c99a36ba4f61237b8398cfa6fb00d53a38b655ef8316d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c6376c956c623677d7c99a36ba4f61237b8398cfa6fb00d53a38b655ef8316d", kill_on_drop: false }` [INFO] [stdout] 2c6376c956c623677d7c99a36ba4f61237b8398cfa6fb00d53a38b655ef8316d