[INFO] fetching crate buildkit-rs-llb 0.1.0...
[INFO] checking buildkit-rs-llb-0.1.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate buildkit-rs-llb 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate buildkit-rs-llb 0.1.0
[INFO] finished tweaking crates.io crate buildkit-rs-llb 0.1.0
[INFO] tweaked toml for crates.io crate buildkit-rs-llb 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buildkit-rs-llb 0.1.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 144 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.11.9 (available: v0.14.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buildkit-rs-proto v0.1.0
[INFO] [stderr]   Downloaded tonic-build v0.8.4
[INFO] [stderr]   Downloaded tonic v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c27d7bb4a64dd1a237ba81cc56f007296d7e7a4cd4cacf259bd5473a30f8376
[INFO] running `Command { std: "docker" "start" "-a" "3c27d7bb4a64dd1a237ba81cc56f007296d7e7a4cd4cacf259bd5473a30f8376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c27d7bb4a64dd1a237ba81cc56f007296d7e7a4cd4cacf259bd5473a30f8376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c27d7bb4a64dd1a237ba81cc56f007296d7e7a4cd4cacf259bd5473a30f8376", kill_on_drop: false }`
[INFO] [stdout] 3c27d7bb4a64dd1a237ba81cc56f007296d7e7a4cd4cacf259bd5473a30f8376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11d394a315732a72e865e4ba4d2de05a98edb9148dba76381010ad659718f167
[INFO] running `Command { std: "docker" "start" "-a" "11d394a315732a72e865e4ba4d2de05a98edb9148dba76381010ad659718f167", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling anyhow v1.0.100
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[INFO] [stderr]    Compiling buildkit-rs-proto v0.1.0
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[INFO] [stderr]     Checking buildkit-rs-llb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/source/image.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn serialize(&self, cx: &mut Context) -> Option<Node> {
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/state.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn configure_dir(state: State, dir: String) -> State {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TmpfsInfo` is never constructed
[INFO] [stdout]  --> src/exec/mount.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TmpfsInfo {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CacheMountSharingMode` is never used
[INFO] [stdout]  --> src/exec/mount.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum CacheMountSharingMode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mount` is never constructed
[INFO] [stdout]   --> src/exec/mount.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Mount<P: AsRef<Path>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Digest` is never used
[INFO] [stdout]  --> src/serialize/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Digest = String;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Constraints` is never constructed
[INFO] [stdout]   --> src/serialize/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Constraints;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> src/serialize/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Definition {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_definition`, `into_bytes`, and `from_definition` are never used
[INFO] [stdout]   --> src/serialize/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Definition {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 20 |     /// Convert to the protobuf representation
[INFO] [stdout] 21 |     fn into_definition(&self) -> pb::Definition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn into_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn from_definition(x: &pb::Definition) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ID_ACC` is never used
[INFO] [stdout]  --> src/serialize/id.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static ID_ACC: AtomicU64 = AtomicU64::new(0);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OperationId` is never constructed
[INFO] [stdout]  --> src/serialize/id.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct OperationId(u64);
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/serialize/id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl OperationId {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]   --> src/serialize/node.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) trait Operation: Debug + Send + Sync {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]   --> src/serialize/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Context {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `register` and `into_registered_nodes` are never used
[INFO] [stdout]   --> src/serialize/node.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 22 |     #[allow(clippy::map_entry)]
[INFO] [stdout] 23 |     pub(crate) fn register<'a>(&'a mut self, op: &dyn Operation) -> Option<&'a Node> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) fn into_registered_nodes(self) -> impl Iterator<Item = Node> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/serialize/node.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct Node {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `digest` are never used
[INFO] [stdout]   --> src/serialize/node.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Node {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 53 |     pub fn new(message: pb::Op, metadata: pb::OpMetadata) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn digest(bytes: &[u8]) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Image` is never constructed
[INFO] [stdout]   --> src/source/image.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Image {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_name`, `with_include`, and `with_exclude` are never used
[INFO] [stdout]   --> src/source/image.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Image {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 25 |     pub fn new(name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn with_name(mut self, name: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn with_include<I, S>(mut self, include: I) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn with_exclude<I, S>(mut self, exclude: I) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SourceLocation` is never constructed
[INFO] [stdout]   --> src/sourcemap.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SourceLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SourceMap` is never constructed
[INFO] [stdout]   --> src/sourcemap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SourceMap {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ContextKey` is never used
[INFO] [stdout]   --> src/state.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum ContextKey {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/state.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl ContextKey {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 58 |     pub fn as_str(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prev` is never read
[INFO] [stdout]   --> src/state.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 86 |     // out: Output,
[INFO] [stdout] 87 |     prev: Option<Box<State>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/source/image.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn serialize(&self, cx: &mut Context) -> Option<Node> {
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/state.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn configure_dir(state: State, dir: String) -> State {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TmpfsInfo` is never constructed
[INFO] [stdout]  --> src/exec/mount.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TmpfsInfo {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CacheMountSharingMode` is never used
[INFO] [stdout]  --> src/exec/mount.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum CacheMountSharingMode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mount` is never constructed
[INFO] [stdout]   --> src/exec/mount.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Mount<P: AsRef<Path>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Digest` is never used
[INFO] [stdout]  --> src/serialize/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Digest = String;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Constraints` is never constructed
[INFO] [stdout]   --> src/serialize/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Constraints;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> src/serialize/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Definition {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_definition`, `into_bytes`, and `from_definition` are never used
[INFO] [stdout]   --> src/serialize/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Definition {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 20 |     /// Convert to the protobuf representation
[INFO] [stdout] 21 |     fn into_definition(&self) -> pb::Definition {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn into_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn from_definition(x: &pb::Definition) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ID_ACC` is never used
[INFO] [stdout]  --> src/serialize/id.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static ID_ACC: AtomicU64 = AtomicU64::new(0);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OperationId` is never constructed
[INFO] [stdout]  --> src/serialize/id.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct OperationId(u64);
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/serialize/id.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl OperationId {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]   --> src/serialize/node.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) trait Operation: Debug + Send + Sync {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]   --> src/serialize/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Context {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `register`, `registered_nodes_iter`, and `into_registered_nodes` are never used
[INFO] [stdout]   --> src/serialize/node.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 22 |     #[allow(clippy::map_entry)]
[INFO] [stdout] 23 |     pub(crate) fn register<'a>(&'a mut self, op: &dyn Operation) -> Option<&'a Node> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub(crate) fn registered_nodes_iter(&self) -> impl Iterator<Item = &Node> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) fn into_registered_nodes(self) -> impl Iterator<Item = Node> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/serialize/node.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct Node {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `digest` are never used
[INFO] [stdout]   --> src/serialize/node.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Node {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 53 |     pub fn new(message: pb::Op, metadata: pb::OpMetadata) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn digest(bytes: &[u8]) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Image` is never constructed
[INFO] [stdout]   --> src/source/image.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Image {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_name`, `with_include`, and `with_exclude` are never used
[INFO] [stdout]   --> src/source/image.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Image {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 25 |     pub fn new(name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn with_name(mut self, name: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn with_include<I, S>(mut self, include: I) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn with_exclude<I, S>(mut self, exclude: I) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SourceLocation` is never constructed
[INFO] [stdout]   --> src/sourcemap.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SourceLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SourceMap` is never constructed
[INFO] [stdout]   --> src/sourcemap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SourceMap {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ContextKey` is never used
[INFO] [stdout]   --> src/state.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum ContextKey {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/state.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl ContextKey {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 58 |     pub fn as_str(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prev` is never read
[INFO] [stdout]   --> src/state.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 86 |     // out: Output,
[INFO] [stdout] 87 |     prev: Option<Box<State>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.12s
[INFO] running `Command { std: "docker" "inspect" "11d394a315732a72e865e4ba4d2de05a98edb9148dba76381010ad659718f167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d394a315732a72e865e4ba4d2de05a98edb9148dba76381010ad659718f167", kill_on_drop: false }`
[INFO] [stdout] 11d394a315732a72e865e4ba4d2de05a98edb9148dba76381010ad659718f167
