[INFO] fetching crate buildkit-rs-llb 0.1.0...
[INFO] testing buildkit-rs-llb-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate buildkit-rs-llb 0.1.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buildkit-rs-llb 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a632d5fb01a9ad3a2142825e293ae5fab5b8510435e5881023869687dfdfb559
[INFO] running `Command { std: "docker" "start" "-a" "a632d5fb01a9ad3a2142825e293ae5fab5b8510435e5881023869687dfdfb559", kill_on_drop: false }`
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[INFO] [stdout] a632d5fb01a9ad3a2142825e293ae5fab5b8510435e5881023869687dfdfb559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab16d8a0e2accc89117300801d562809e398dfa65f437bf59f79887362ed3742
[INFO] running `Command { std: "docker" "start" "-a" "ab16d8a0e2accc89117300801d562809e398dfa65f437bf59f79887362ed3742", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling syn v2.0.110
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[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling itertools v0.10.5
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[INFO] [stderr]    Compiling axum-core v0.3.4
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[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]    Compiling buildkit-rs-proto v0.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling h2 v0.3.27
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[INFO] [stderr]    Compiling hyper-timeout v0.4.1
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[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.33s
[INFO] running `Command { std: "docker" "inspect" "ab16d8a0e2accc89117300801d562809e398dfa65f437bf59f79887362ed3742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab16d8a0e2accc89117300801d562809e398dfa65f437bf59f79887362ed3742", kill_on_drop: false }`
[INFO] [stdout] ab16d8a0e2accc89117300801d562809e398dfa65f437bf59f79887362ed3742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd679b304d5b6872f8c57910b935fff5914a1faafccbcebf728c2d08d910d140
[INFO] running `Command { std: "docker" "start" "-a" "dd679b304d5b6872f8c57910b935fff5914a1faafccbcebf728c2d08d910d140", kill_on_drop: false }`
[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] [stderr]    Compiling buildkit-rs-llb v0.1.0 (/opt/rustwide/workdir)
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "dd679b304d5b6872f8c57910b935fff5914a1faafccbcebf728c2d08d910d140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd679b304d5b6872f8c57910b935fff5914a1faafccbcebf728c2d08d910d140", kill_on_drop: false }`
[INFO] [stdout] dd679b304d5b6872f8c57910b935fff5914a1faafccbcebf728c2d08d910d140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6bffbec3d6884854524e7207eb03506ff62dc853a2bc669aee06ddf2cff144a
[INFO] running `Command { std: "docker" "start" "-a" "a6bffbec3d6884854524e7207eb03506ff62dc853a2bc669aee06ddf2cff144a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cx`
[INFO] [stderr]   --> src/source/image.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn serialize(&self, cx: &mut Context) -> Option<Node> {
[INFO] [stderr]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]   --> src/state.rs:81:36
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn configure_dir(state: State, dir: String) -> State {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TmpfsInfo` is never constructed
[INFO] [stderr]  --> src/exec/mount.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct TmpfsInfo {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CacheMountSharingMode` is never used
[INFO] [stderr]  --> src/exec/mount.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum CacheMountSharingMode {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mount` is never constructed
[INFO] [stderr]   --> src/exec/mount.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Mount<P: AsRef<Path>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Digest` is never used
[INFO] [stderr]  --> src/serialize/mod.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | type Digest = String;
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Constraints` is never constructed
[INFO] [stderr]   --> src/serialize/mod.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Constraints;
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Definition` is never constructed
[INFO] [stderr]   --> src/serialize/mod.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Definition {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `into_definition`, `into_bytes`, and `from_definition` are never used
[INFO] [stderr]   --> src/serialize/mod.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Definition {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 20 |     /// Convert to the protobuf representation
[INFO] [stderr] 21 |     fn into_definition(&self) -> pb::Definition {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn into_bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn from_definition(x: &pb::Definition) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `ID_ACC` is never used
[INFO] [stderr]  --> src/serialize/id.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | static ID_ACC: AtomicU64 = AtomicU64::new(0);
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OperationId` is never constructed
[INFO] [stderr]  --> src/serialize/id.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) struct OperationId(u64);
[INFO] [stderr]   |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/serialize/id.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl OperationId {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 30 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Operation` is never used
[INFO] [stderr]   --> src/serialize/node.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) trait Operation: Debug + Send + Sync {
[INFO] [stderr]    |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Context` is never constructed
[INFO] [stderr]   --> src/serialize/node.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Context {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `register` and `into_registered_nodes` are never used
[INFO] [stderr]   --> src/serialize/node.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Context {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] 22 |     #[allow(clippy::map_entry)]
[INFO] [stderr] 23 |     pub(crate) fn register<'a>(&'a mut self, op: &dyn Operation) -> Option<&'a Node> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub(crate) fn into_registered_nodes(self) -> impl Iterator<Item = Node> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]   --> src/serialize/node.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub(crate) struct Node {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `digest` are never used
[INFO] [stderr]   --> src/serialize/node.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl Node {
[INFO] [stderr]    | --------- associated functions in this implementation
[INFO] [stderr] 53 |     pub fn new(message: pb::Op, metadata: pb::OpMetadata) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     pub fn digest(bytes: &[u8]) -> String {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Image` is never constructed
[INFO] [stderr]   --> src/source/image.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Image {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `with_name`, `with_include`, and `with_exclude` are never used
[INFO] [stderr]   --> src/source/image.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Image {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 25 |     pub fn new(name: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn with_name(mut self, name: String) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn with_include<I, S>(mut self, include: I) -> Self
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn with_exclude<I, S>(mut self, exclude: I) -> Self
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SourceLocation` is never constructed
[INFO] [stderr]   --> src/sourcemap.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct SourceLocation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SourceMap` is never constructed
[INFO] [stderr]   --> src/sourcemap.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct SourceMap {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ContextKey` is never used
[INFO] [stderr]   --> src/state.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 | enum ContextKey {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_str` is never used
[INFO] [stderr]   --> src/state.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 57 | impl ContextKey {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 58 |     pub fn as_str(&self) -> &str {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `prev` is never read
[INFO] [stderr]   --> src/state.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub struct State {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 86 |     // out: Output,
[INFO] [stderr] 87 |     prev: Option<Box<State>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `register`, `registered_nodes_iter`, and `into_registered_nodes` are never used
[INFO] [stderr]   --> src/serialize/node.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Context {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] 22 |     #[allow(clippy::map_entry)]
[INFO] [stderr] 23 |     pub(crate) fn register<'a>(&'a mut self, op: &dyn Operation) -> Option<&'a Node> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub(crate) fn registered_nodes_iter(&self) -> impl Iterator<Item = &Node> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub(crate) fn into_registered_nodes(self) -> impl Iterator<Item = Node> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `buildkit-rs-llb` (lib) generated 24 warnings (run `cargo fix --lib -p buildkit-rs-llb` to apply 2 suggestions)
[INFO] [stderr] warning: `buildkit-rs-llb` (lib test) generated 24 warnings (23 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buildkit_rs_llb-b2bd05f66b0f92b3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buildkit_rs_llb
[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] running `Command { std: "docker" "inspect" "a6bffbec3d6884854524e7207eb03506ff62dc853a2bc669aee06ddf2cff144a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bffbec3d6884854524e7207eb03506ff62dc853a2bc669aee06ddf2cff144a", kill_on_drop: false }`
[INFO] [stdout] a6bffbec3d6884854524e7207eb03506ff62dc853a2bc669aee06ddf2cff144a