[INFO] cloning repository https://github.com/loziuu/crabreduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loziuu/crabreduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Fcrabreduce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Fcrabreduce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d2285dd9dd477a85cf570f43e336f354a357dec
[INFO] checking loziuu/crabreduce against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Fcrabreduce" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/loziuu/crabreduce
[INFO] finished tweaking git repo https://github.com/loziuu/crabreduce
[INFO] tweaked toml for git repo https://github.com/loziuu/crabreduce written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loziuu/crabreduce 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] crate git repo https://github.com/loziuu/crabreduce 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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 prost-build v0.13.5
[INFO] [stderr]   Downloaded prost-types v0.13.5
[INFO] [stderr]   Downloaded mockall v0.13.1
[INFO] [stderr]   Downloaded tonic-build v0.13.0
[INFO] [stderr]   Downloaded gethostname v1.0.1
[INFO] [stderr]   Downloaded mockall_derive v0.13.1
[INFO] [stderr]   Downloaded tonic v0.13.0
[INFO] [stderr]   Downloaded axum v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e71e201fdc5397073a02c21c6f7396652be01d088c78d228f02469511060e023
[INFO] running `Command { std: "docker" "start" "-a" "e71e201fdc5397073a02c21c6f7396652be01d088c78d228f02469511060e023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e71e201fdc5397073a02c21c6f7396652be01d088c78d228f02469511060e023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71e201fdc5397073a02c21c6f7396652be01d088c78d228f02469511060e023", kill_on_drop: false }`
[INFO] [stdout] e71e201fdc5397073a02c21c6f7396652be01d088c78d228f02469511060e023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c6a7b4d24dc8693f19728b4c72f0d7ef3574d24b925a86a3451e2142b909b24f
[INFO] running `Command { std: "docker" "start" "-a" "c6a7b4d24dc8693f19728b4c72f0d7ef3574d24b925a86a3451e2142b909b24f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]     Checking anyhow v1.0.98
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking crab_fs v0.1.0 (/opt/rustwide/workdir/crab_fs)
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]  --> crab_fs/src/files/writer.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn flush(files: &Files) {}
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> crab_fs/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Chunk {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     data: [u8; CHUNK_SIZE],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> crab_fs/src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct LocalFileSystem {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 37 |     base: PathBuf,
[INFO] [stdout] 38 |     metadata: Metadata,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_directory` is never used
[INFO] [stdout]   --> crab_fs/src/files/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl FilesNode {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 27 |     fn is_directory(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]   --> crab_fs/src/files/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl DirectoryNode {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn get_value(&self, index: isize) -> &FilesNode {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ptr` is never read
[INFO] [stdout]   --> crab_fs/src/files/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct NodeKey {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 89 |     value: String,
[INFO] [stdout] 90 |     ptr: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock` is never read
[INFO] [stdout]   --> crab_fs/src/files/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct FileNode {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     lock: RwLock<()>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `contains_file`, `contains_file_inner`, `find_node_inner`, and `ls` are never used
[INFO] [stdout]    --> crab_fs/src/files/mod.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Files {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn contains_file(&self, path: PathBuf) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn contains_file_inner(node: &FilesNode, path: &[&str], i: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn find_node_inner<'a>(node: &'a FilesNode, path: &[&str], i: usize) -> Option<&'a FilesNode> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     fn ls(&self, path: PathBuf) -> Option<Vec<DirEntry>> {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DirEntry` is never constructed
[INFO] [stdout]    --> crab_fs/src/files/mod.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | struct DirEntry {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush` is never used
[INFO] [stdout]  --> crab_fs/src/files/writer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn flush(files: &Files) {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]  --> crab_fs/src/files/writer.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn flush(files: &Files) {}
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> crab_fs/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Chunk {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     data: [u8; CHUNK_SIZE],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> crab_fs/src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct LocalFileSystem {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 37 |     base: PathBuf,
[INFO] [stdout] 38 |     metadata: Metadata,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock` is never read
[INFO] [stdout]   --> crab_fs/src/files/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct FileNode {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     lock: RwLock<()>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `is_dir` are never read
[INFO] [stdout]    --> crab_fs/src/files/mod.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 229 | struct DirEntry {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 230 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 231 |     is_dir: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DirEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush` is never used
[INFO] [stdout]  --> crab_fs/src/files/writer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn flush(files: &Files) {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gethostname v1.0.1
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]     Checking mockall v0.13.1
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling tonic-build v0.13.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> common/src/types/kv.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Key(String);
[INFO] [stdout]   |            --- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> common/src/types/kv.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Key(String);
[INFO] [stdout]   |            --- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking h2 v0.4.9
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling worker v0.1.0 (/opt/rustwide/workdir/crab_worker)
[INFO] [stderr]    Compiling crab_master v0.1.0 (/opt/rustwide/workdir/crab_master)
[INFO] [stderr]     Checking axum v0.8.3
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.11
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.13.0
[INFO] [stdout] warning: field `node_timeout` is never read
[INFO] [stdout]   --> crab_master/src/node/master.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MasterConfiguration {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 15 |     pub(crate) node_timeout: Duration,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MasterConfiguration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crab_master/src/node/master.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MasterNode {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     config: MasterConfiguration,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MasterNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config` is never used
[INFO] [stdout]   --> crab_master/src/node/master.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl MasterNode {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 34 |     pub fn config(&self) -> &MasterConfiguration {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]  --> crab_master/src/node/worker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 7 |     node_id: NodeId,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_timeout` is never read
[INFO] [stdout]   --> crab_master/src/node/master.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MasterConfiguration {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 15 |     pub(crate) node_timeout: Duration,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MasterConfiguration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crab_master/src/node/master.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MasterNode {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     config: MasterConfiguration,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MasterNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config` is never used
[INFO] [stdout]   --> crab_master/src/node/master.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl MasterNode {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 34 |     pub fn config(&self) -> &MasterConfiguration {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_id` is never read
[INFO] [stdout]  --> crab_master/src/node/worker.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 7 |     node_id: NodeId,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_RETRIES` is never used
[INFO] [stdout]   --> crab_worker/src/worker/master_client.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const MAX_RETRIES: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: constant `MAX_RETRIES` is never used
[INFO] [stdout]   --> crab_worker/src/worker/master_client.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const MAX_RETRIES: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.61s
[INFO] running `Command { std: "docker" "inspect" "c6a7b4d24dc8693f19728b4c72f0d7ef3574d24b925a86a3451e2142b909b24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a7b4d24dc8693f19728b4c72f0d7ef3574d24b925a86a3451e2142b909b24f", kill_on_drop: false }`
[INFO] [stdout] c6a7b4d24dc8693f19728b4c72f0d7ef3574d24b925a86a3451e2142b909b24f