[INFO] fetching crate libflux 0.1.0...
[INFO] testing libflux-0.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate libflux 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate libflux 0.1.0
[INFO] finished tweaking crates.io crate libflux 0.1.0
[INFO] tweaked toml for crates.io crate libflux 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libflux 0.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libflux 0.1.0 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.38
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[INFO] [stdout] bcf67e1cb408670e9884b779dab490e4caf7b3bbbf16521679acdffc9dacdf3c
[INFO] running `Command { std: "docker" "start" "-a" "bcf67e1cb408670e9884b779dab490e4caf7b3bbbf16521679acdffc9dacdf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf67e1cb408670e9884b779dab490e4caf7b3bbbf16521679acdffc9dacdf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf67e1cb408670e9884b779dab490e4caf7b3bbbf16521679acdffc9dacdf3c", kill_on_drop: false }`
[INFO] [stdout] bcf67e1cb408670e9884b779dab490e4caf7b3bbbf16521679acdffc9dacdf3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6688b80672dd1c0de6c017594cb73fd6f070208fdf96bd0f591afd600d08d3c
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[INFO] [stderr]    Compiling libflux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `info` and `warn`
[INFO] [stdout]   --> src/main.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | use log::{debug, error, info, warn};
[INFO] [stdout]    |                         ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataExt`
[INFO] [stdout]   --> src/main.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::os::unix::fs::{FileTypeExt, MetadataExt};
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stop_container_by_pid` is never used
[INFO] [stdout]    --> src/main.rs:229:10
[INFO] [stdout]     |
[INFO] [stdout] 229 | async fn stop_container_by_pid(pid: u32, timeout_secs: u64, force: bool) -> LibfluxResult<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContainerStats` is never constructed
[INFO] [stdout]     --> src/main.rs:1061:8
[INFO] [stdout]      |
[INFO] [stdout] 1061 | struct SimpleContainerStats {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_container_stats` is never used
[INFO] [stdout]     --> src/main.rs:1068:10
[INFO] [stdout]      |
[INFO] [stdout] 1068 | async fn get_container_stats(
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_proc_memory_usage` is never used
[INFO] [stdout]     --> src/main.rs:1093:4
[INFO] [stdout]      |
[INFO] [stdout] 1093 | fn read_proc_memory_usage(pid: u32) -> Option<String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_proc_cpu_usage` is never used
[INFO] [stdout]     --> src/main.rs:1116:4
[INFO] [stdout]      |
[INFO] [stdout] 1116 | fn read_proc_cpu_usage(_pid: u32) -> Option<String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]    --> src/cgroups.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct CgroupManager {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     container_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_time` and `system_time` are never read
[INFO] [stdout]    --> src/cgroups.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct CpuMeasurement {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 140 |     user_time: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 141 |     system_time: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuMeasurement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join` and `path` are never used
[INFO] [stdout]    --> src/cgroups.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl CgroupManager {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 253 |     pub fn join(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 694 |     pub fn path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pids` is never read
[INFO] [stdout]    --> src/cgroups.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 824 | pub struct ResourceStats {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 828 |     pub pids: PidsStats,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourceStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `usage_usec`, `user_usec`, and `system_usec` are never read
[INFO] [stdout]    --> src/cgroups.rs:835:9
[INFO] [stdout]     |
[INFO] [stdout] 833 | pub struct CpuStats {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 834 |     /// Total CPU time used in microseconds
[INFO] [stdout] 835 |     pub usage_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 836 |     /// User CPU time in microseconds
[INFO] [stdout] 837 |     pub user_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 838 |     /// System CPU time in microseconds
[INFO] [stdout] 839 |     pub system_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache`, `rss`, `virtual_memory`, `swap`, and `peak` are never read
[INFO] [stdout]    --> src/cgroups.rs:854:9
[INFO] [stdout]     |
[INFO] [stdout] 850 | pub struct MemoryStats {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 854 |     pub cache: u64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 855 |     /// RSS (Resident Set Size) in bytes
[INFO] [stdout] 856 |     pub rss: u64,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 857 |     /// Virtual memory size in bytes
[INFO] [stdout] 858 |     pub virtual_memory: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 859 |     /// Swap usage in bytes
[INFO] [stdout] 860 |     pub swap: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 864 |     pub peak: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemoryStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `read_ios`, `write_ios`, `read_rate`, `write_rate`, and `disk_usage_percent` are never read
[INFO] [stdout]    --> src/cgroups.rs:875:9
[INFO] [stdout]     |
[INFO] [stdout] 869 | pub struct IoStats {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 875 |     pub read_ios: u64,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 876 |     /// Total write operations
[INFO] [stdout] 877 |     pub write_ios: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 878 |     /// Read rate in bytes per second
[INFO] [stdout] 879 |     pub read_rate: f64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 880 |     /// Write rate in bytes per second
[INFO] [stdout] 881 |     pub write_rate: f64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 882 |     /// Disk usage percentage
[INFO] [stdout] 883 |     pub disk_usage_percent: f64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IoStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current` is never read
[INFO] [stdout]    --> src/cgroups.rs:889:9
[INFO] [stdout]     |
[INFO] [stdout] 888 | pub struct PidsStats {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 889 |     pub current: u64,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PidsStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_cgroups_v2_available` is never used
[INFO] [stdout]    --> src/cgroups.rs:893:8
[INFO] [stdout]     |
[INFO] [stdout] 893 | pub fn is_cgroups_v2_available() -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_system_controllers` is never used
[INFO] [stdout]    --> src/cgroups.rs:898:8
[INFO] [stdout]     |
[INFO] [stdout] 898 | pub fn get_system_controllers() -> LibfluxResult<Vec<String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_dir`, `namespace_manager`, and `child_process` are never read
[INFO] [stdout]    --> src/container.rs:84:5
[INFO] [stdout]     |
[INFO] [stdout]  78 | pub struct Container {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  84 |     data_dir: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     namespace_manager: Option<NamespaceManager>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     child_process: Arc<Mutex<Option<Child>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/container.rs:161:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Container {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub async fn name(&self) -> String {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub async fn info(&self) -> ContainerInfo {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 499 |     pub async fn pause(&mut self) -> LibfluxResult<()> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 528 |     pub async fn resume(&mut self) -> LibfluxResult<()> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 557 |     pub async fn stats(&mut self) -> LibfluxResult<ResourceStats> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 569 |     pub async fn exec(&self, _command: Vec<String>) -> LibfluxResult<i32> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 637 |     pub fn runtime_dir(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 642 |     pub fn rootfs_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Permission`, `NotFound`, and `NotSupported` are never constructed
[INFO] [stdout]   --> src/error.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum LibfluxError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Permission(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     NotFound(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     NotSupported(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LibfluxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NotFound`, `AlreadyExists`, `AlreadyRunning`, `ProcessExited`, `InitializationFailed`, and `CleanupFailed` are never constructed
[INFO] [stdout]   --> src/error.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum ContainerError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 50 |     #[error("Container not found: {container_id}")]
[INFO] [stdout] 51 |     NotFound { container_id: String },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     AlreadyExists { container_id: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     AlreadyRunning { container_id: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     ProcessExited { exit_code: i32 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     InitializationFailed { reason: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     CleanupFailed { reason: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NotSupported`, `UnshareFailed`, and `InvalidFd` are never constructed
[INFO] [stdout]   --> src/error.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub enum NamespaceError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 85 |     NotSupported { namespace_type: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     UnshareFailed { namespace_type: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     InvalidFd,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamespaceError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidValue` is never constructed
[INFO] [stdout]    --> src/error.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | pub enum CgroupError {
[INFO] [stdout]     |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 113 |     InvalidValue { value: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CgroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnmountFailed`, `NotFile`, and `InsufficientPermissions` are never constructed
[INFO] [stdout]    --> src/error.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub enum FilesystemError {
[INFO] [stdout]     |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 129 |     UnmountFailed { target: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     NotFile { path: String },
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     InsufficientPermissions { path: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FilesystemError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InterfaceCreationFailed`, `BridgeCreationFailed`, `VethCreationFailed`, `InterfaceNotFound`, `IpAssignmentFailed`, and `RouteConfigFailed` are never constructed
[INFO] [stdout]    --> src/error.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub enum NetworkError {
[INFO] [stdout]     |          ------------ variants in this enum
[INFO] [stdout] 159 |     #[error("Failed to create network interface: {interface}")]
[INFO] [stdout] 160 |     InterfaceCreationFailed { interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     BridgeCreationFailed { bridge_name: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     VethCreationFailed { veth1: String, veth2: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     InterfaceNotFound { interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     IpAssignmentFailed { ip: String, interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     RouteConfigFailed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NetworkError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FileNotFound`, `InvalidFormat`, `MissingField`, `InvalidValue`, `ParseError`, and `ValidationFailed` are never constructed
[INFO] [stdout]    --> src/error.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub enum ConfigError {
[INFO] [stdout]     |          ----------- variants in this enum
[INFO] [stdout] 184 |     #[error("Configuration file not found: {path}")]
[INFO] [stdout] 185 |     FileNotFound { path: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     InvalidFormat { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     MissingField { field: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     InvalidValue { field: String, value: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     ParseError { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     ValidationFailed { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidGidMapping`, `UserNotFound`, and `GroupNotFound` are never constructed
[INFO] [stdout]    --> src/error.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub enum UserMappingError {
[INFO] [stdout]     |          ---------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 216 |     InvalidGidMapping { mapping: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     UserNotFound { user: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     GroupNotFound { group: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserMappingError` 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 `is_readonly` is never used
[INFO] [stdout]   --> src/fs.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl MountType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn is_readonly(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mounted_paths` is never used
[INFO] [stdout]    --> src/fs.rs:484:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl FilesystemManager {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 484 |     pub fn mounted_paths(&self) -> &[PathBuf] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `debug` and `flush` are never used
[INFO] [stdout]    --> src/logging.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl ContainerLogger {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn debug(&self, message: &str, source: LogSource) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn flush(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stdout_logger` and `stderr_logger` are never read
[INFO] [stdout]    --> src/logging.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct OutputCapture {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 199 |     stdout_logger: ContainerLogger,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 200 |     stderr_logger: ContainerLogger,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_stdout`, `log_stderr`, and `flush` are never used
[INFO] [stdout]    --> src/logging.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl OutputCapture {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn log_stdout(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn log_stderr(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn flush(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_logs` is never used
[INFO] [stdout]    --> src/logging.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub fn read_logs(log_path: &Path, lines: Option<usize>) -> LibfluxResult<Vec<LogEntry>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tail_logs` is never used
[INFO] [stdout]    --> src/logging.rs:264:14
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub async fn tail_logs<F>(
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `proc_path` and `all` are never used
[INFO] [stdout]   --> src/namespace.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl NamespaceType {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn proc_path(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn all() -> Vec<NamespaceType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NamespaceFd` is never constructed
[INFO] [stdout]   --> src/namespace.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct NamespaceFd {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `enter` are never used
[INFO] [stdout]    --> src/namespace.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl NamespaceFd {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 105 |     /// Create a new namespace file descriptor
[INFO] [stdout] 106 |     pub fn new(namespace_type: NamespaceType, pid: Pid) -> LibfluxResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn enter(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join_namespace_by_pid`, `created_namespaces`, `has_namespace`, and `get_namespace_fd` are never used
[INFO] [stdout]    --> src/namespace.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl NamespaceManager {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn join_namespace_by_pid(&self, ns_type: NamespaceType, pid: Pid) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn created_namespaces(&self) -> &[NamespaceType] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 265 |     pub fn has_namespace(&self, ns_type: &NamespaceType) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn get_namespace_fd(&self, ns_type: NamespaceType) -> LibfluxResult<NamespaceFd> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_namespaces` is never used
[INFO] [stdout]    --> src/namespace.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub fn with_namespaces<F, R>(config: NamespaceConfig, f: F) -> LibfluxResult<R>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_namespace_supported` is never used
[INFO] [stdout]    --> src/namespace.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn is_namespace_supported(ns_type: &NamespaceType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_namespace_info` is never used
[INFO] [stdout]    --> src/namespace.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub fn get_namespace_info() -> LibfluxResult<HashMap<NamespaceType, String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_namespace_id` is never used
[INFO] [stdout]    --> src/namespace.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub fn get_namespace_id(ns_type: &NamespaceType) -> LibfluxResult<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `setup_dns`, `generate_resolv_conf`, `setup_port_forwarding`, `setup_port_mapping`, and `get_stats` are never used
[INFO] [stdout]    --> src/net.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl NetworkManager {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 290 |     pub fn setup_dns(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn generate_resolv_conf(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     pub fn setup_port_forwarding(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     fn setup_port_mapping(&self, host_port: u16, container_port: u16) -> LibfluxResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 472 |     pub fn get_stats(&self) -> LibfluxResult<NetworkStats> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NetworkStats` is never constructed
[INFO] [stdout]    --> src/net.rs:488:12
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub struct NetworkStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InterfaceStats` is never constructed
[INFO] [stdout]    --> src/net.rs:494:12
[INFO] [stdout]     |
[INFO] [stdout] 494 | pub struct InterfaceStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `can_create_bridge` and `can_create_veth` are never read
[INFO] [stdout]    --> src/net.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 516 | pub struct NetworkCapabilities {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 520 |     pub can_create_bridge: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 521 |     pub can_create_veth: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NetworkCapabilities` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `simple` are never used
[INFO] [stdout]   --> src/user.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl IdMapping {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 41 |     /// Create a new ID mapping
[INFO] [stdout] 42 |     pub fn new(container_id: u32, host_id: u32, range: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn simple(container_id: u32, host_id: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rootless`, `rootless_range`, `get_current_mappings`, `read_mapping_file`, `mapping`, and `is_applied` are never used
[INFO] [stdout]    --> src/user.rs:79:12
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl UserMappingManager {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn rootless(pid: nix::unistd::Pid) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn rootless_range(pid: nix::unistd::Pid, range: u32) -> LibfluxResult<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn get_current_mappings(pid: nix::unistd::Pid) -> LibfluxResult<UserMapping> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     fn read_mapping_file(path: &str) -> LibfluxResult<Vec<IdMapping>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 317 |     pub fn mapping(&self) -> &UserMapping {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub fn is_applied(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_rootless_mapping` is never used
[INFO] [stdout]    --> src/user.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn create_rootless_mapping(pid: nix::unistd::Pid) -> UserMappingManager {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_rootless_range_mapping` is never used
[INFO] [stdout]    --> src/user.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn create_rootless_range_mapping(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uid` and `gid` are never read
[INFO] [stdout]    --> src/user.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub struct SubIdInfo {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 376 |     pub uid: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 377 |     pub gid: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SubIdInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dir_exists` is never used
[INFO] [stdout]   --> src/utils.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn dir_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_data_dir` is never used
[INFO] [stdout]   --> src/utils.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn get_data_dir() -> LibfluxResult<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_config_dir` is never used
[INFO] [stdout]   --> src/utils.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn get_config_dir() -> LibfluxResult<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_container_name` is never used
[INFO] [stdout]    --> src/utils.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn is_valid_container_name(name: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sanitize_container_name` is never used
[INFO] [stdout]    --> src/utils.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn sanitize_container_name(name: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "d6688b80672dd1c0de6c017594cb73fd6f070208fdf96bd0f591afd600d08d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6688b80672dd1c0de6c017594cb73fd6f070208fdf96bd0f591afd600d08d3c", kill_on_drop: false }`
[INFO] [stdout] d6688b80672dd1c0de6c017594cb73fd6f070208fdf96bd0f591afd600d08d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a1941f91ef461bf9c2e716adbb3d02480ae36946dffd0f66e55d3f4887dfc3
[INFO] running `Command { std: "docker" "start" "-a" "90a1941f91ef461bf9c2e716adbb3d02480ae36946dffd0f66e55d3f4887dfc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling libflux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `info` and `warn`
[INFO] [stdout]   --> src/main.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | use log::{debug, error, info, warn};
[INFO] [stdout]    |                         ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataExt`
[INFO] [stdout]   --> src/main.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::os::unix::fs::{FileTypeExt, MetadataExt};
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stop_container_by_pid` is never used
[INFO] [stdout]    --> src/main.rs:229:10
[INFO] [stdout]     |
[INFO] [stdout] 229 | async fn stop_container_by_pid(pid: u32, timeout_secs: u64, force: bool) -> LibfluxResult<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContainerStats` is never constructed
[INFO] [stdout]     --> src/main.rs:1061:8
[INFO] [stdout]      |
[INFO] [stdout] 1061 | struct SimpleContainerStats {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_container_stats` is never used
[INFO] [stdout]     --> src/main.rs:1068:10
[INFO] [stdout]      |
[INFO] [stdout] 1068 | async fn get_container_stats(
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_proc_memory_usage` is never used
[INFO] [stdout]     --> src/main.rs:1093:4
[INFO] [stdout]      |
[INFO] [stdout] 1093 | fn read_proc_memory_usage(pid: u32) -> Option<String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_proc_cpu_usage` is never used
[INFO] [stdout]     --> src/main.rs:1116:4
[INFO] [stdout]      |
[INFO] [stdout] 1116 | fn read_proc_cpu_usage(_pid: u32) -> Option<String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]    --> src/cgroups.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct CgroupManager {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     container_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_time` and `system_time` are never read
[INFO] [stdout]    --> src/cgroups.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct CpuMeasurement {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 140 |     user_time: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 141 |     system_time: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuMeasurement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join` and `path` are never used
[INFO] [stdout]    --> src/cgroups.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl CgroupManager {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 253 |     pub fn join(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 694 |     pub fn path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pids` is never read
[INFO] [stdout]    --> src/cgroups.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 824 | pub struct ResourceStats {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 828 |     pub pids: PidsStats,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResourceStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `usage_usec`, `user_usec`, and `system_usec` are never read
[INFO] [stdout]    --> src/cgroups.rs:835:9
[INFO] [stdout]     |
[INFO] [stdout] 833 | pub struct CpuStats {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 834 |     /// Total CPU time used in microseconds
[INFO] [stdout] 835 |     pub usage_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 836 |     /// User CPU time in microseconds
[INFO] [stdout] 837 |     pub user_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 838 |     /// System CPU time in microseconds
[INFO] [stdout] 839 |     pub system_usec: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CpuStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache`, `rss`, `virtual_memory`, `swap`, and `peak` are never read
[INFO] [stdout]    --> src/cgroups.rs:854:9
[INFO] [stdout]     |
[INFO] [stdout] 850 | pub struct MemoryStats {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 854 |     pub cache: u64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 855 |     /// RSS (Resident Set Size) in bytes
[INFO] [stdout] 856 |     pub rss: u64,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 857 |     /// Virtual memory size in bytes
[INFO] [stdout] 858 |     pub virtual_memory: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 859 |     /// Swap usage in bytes
[INFO] [stdout] 860 |     pub swap: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 864 |     pub peak: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemoryStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `read_ios`, `write_ios`, `read_rate`, `write_rate`, and `disk_usage_percent` are never read
[INFO] [stdout]    --> src/cgroups.rs:875:9
[INFO] [stdout]     |
[INFO] [stdout] 869 | pub struct IoStats {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 875 |     pub read_ios: u64,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 876 |     /// Total write operations
[INFO] [stdout] 877 |     pub write_ios: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 878 |     /// Read rate in bytes per second
[INFO] [stdout] 879 |     pub read_rate: f64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 880 |     /// Write rate in bytes per second
[INFO] [stdout] 881 |     pub write_rate: f64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 882 |     /// Disk usage percentage
[INFO] [stdout] 883 |     pub disk_usage_percent: f64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IoStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current` is never read
[INFO] [stdout]    --> src/cgroups.rs:889:9
[INFO] [stdout]     |
[INFO] [stdout] 888 | pub struct PidsStats {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 889 |     pub current: u64,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PidsStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_system_controllers` is never used
[INFO] [stdout]    --> src/cgroups.rs:898:8
[INFO] [stdout]     |
[INFO] [stdout] 898 | pub fn get_system_controllers() -> LibfluxResult<Vec<String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_dir`, `namespace_manager`, and `child_process` are never read
[INFO] [stdout]    --> src/container.rs:84:5
[INFO] [stdout]     |
[INFO] [stdout]  78 | pub struct Container {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  84 |     data_dir: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     namespace_manager: Option<NamespaceManager>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     child_process: Arc<Mutex<Option<Child>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/container.rs:171:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Container {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub async fn info(&self) -> ContainerInfo {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 499 |     pub async fn pause(&mut self) -> LibfluxResult<()> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 528 |     pub async fn resume(&mut self) -> LibfluxResult<()> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 557 |     pub async fn stats(&mut self) -> LibfluxResult<ResourceStats> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 569 |     pub async fn exec(&self, _command: Vec<String>) -> LibfluxResult<i32> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 637 |     pub fn runtime_dir(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 642 |     pub fn rootfs_path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Permission`, `NotFound`, and `NotSupported` are never constructed
[INFO] [stdout]   --> src/error.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum LibfluxError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Permission(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     NotFound(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     NotSupported(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LibfluxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AlreadyExists`, `AlreadyRunning`, `ProcessExited`, `InitializationFailed`, and `CleanupFailed` are never constructed
[INFO] [stdout]   --> src/error.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum ContainerError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 54 |     AlreadyExists { container_id: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     AlreadyRunning { container_id: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     ProcessExited { exit_code: i32 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     InitializationFailed { reason: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     CleanupFailed { reason: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NotSupported`, `UnshareFailed`, and `InvalidFd` are never constructed
[INFO] [stdout]   --> src/error.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub enum NamespaceError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 85 |     NotSupported { namespace_type: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     UnshareFailed { namespace_type: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     InvalidFd,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamespaceError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidValue` is never constructed
[INFO] [stdout]    --> src/error.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | pub enum CgroupError {
[INFO] [stdout]     |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 113 |     InvalidValue { value: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CgroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnmountFailed`, `NotFile`, and `InsufficientPermissions` are never constructed
[INFO] [stdout]    --> src/error.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub enum FilesystemError {
[INFO] [stdout]     |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 129 |     UnmountFailed { target: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     NotFile { path: String },
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     InsufficientPermissions { path: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FilesystemError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InterfaceCreationFailed`, `BridgeCreationFailed`, `VethCreationFailed`, `InterfaceNotFound`, `IpAssignmentFailed`, and `RouteConfigFailed` are never constructed
[INFO] [stdout]    --> src/error.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub enum NetworkError {
[INFO] [stdout]     |          ------------ variants in this enum
[INFO] [stdout] 159 |     #[error("Failed to create network interface: {interface}")]
[INFO] [stdout] 160 |     InterfaceCreationFailed { interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     BridgeCreationFailed { bridge_name: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     VethCreationFailed { veth1: String, veth2: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     InterfaceNotFound { interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     IpAssignmentFailed { ip: String, interface: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     RouteConfigFailed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NetworkError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FileNotFound`, `InvalidFormat`, `MissingField`, `InvalidValue`, `ParseError`, and `ValidationFailed` are never constructed
[INFO] [stdout]    --> src/error.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub enum ConfigError {
[INFO] [stdout]     |          ----------- variants in this enum
[INFO] [stdout] 184 |     #[error("Configuration file not found: {path}")]
[INFO] [stdout] 185 |     FileNotFound { path: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     InvalidFormat { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     MissingField { field: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     InvalidValue { field: String, value: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     ParseError { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     ValidationFailed { reason: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidGidMapping`, `UserNotFound`, and `GroupNotFound` are never constructed
[INFO] [stdout]    --> src/error.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub enum UserMappingError {
[INFO] [stdout]     |          ---------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 216 |     InvalidGidMapping { mapping: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     UserNotFound { user: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     GroupNotFound { group: String },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserMappingError` 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 `mounted_paths` is never used
[INFO] [stdout]    --> src/fs.rs:484:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl FilesystemManager {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 484 |     pub fn mounted_paths(&self) -> &[PathBuf] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> src/logging.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl ContainerLogger {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn debug(&self, message: &str, source: LogSource) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stdout_logger` and `stderr_logger` are never read
[INFO] [stdout]    --> src/logging.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct OutputCapture {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 199 |     stdout_logger: ContainerLogger,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 200 |     stderr_logger: ContainerLogger,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_stdout`, `log_stderr`, and `flush` are never used
[INFO] [stdout]    --> src/logging.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl OutputCapture {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn log_stdout(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn log_stderr(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn flush(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tail_logs` is never used
[INFO] [stdout]    --> src/logging.rs:264:14
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub async fn tail_logs<F>(
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NamespaceFd` is never constructed
[INFO] [stdout]   --> src/namespace.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct NamespaceFd {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `enter` are never used
[INFO] [stdout]    --> src/namespace.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl NamespaceFd {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 105 |     /// Create a new namespace file descriptor
[INFO] [stdout] 106 |     pub fn new(namespace_type: NamespaceType, pid: Pid) -> LibfluxResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn enter(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join_namespace_by_pid`, `created_namespaces`, `has_namespace`, and `get_namespace_fd` are never used
[INFO] [stdout]    --> src/namespace.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl NamespaceManager {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn join_namespace_by_pid(&self, ns_type: NamespaceType, pid: Pid) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn created_namespaces(&self) -> &[NamespaceType] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 265 |     pub fn has_namespace(&self, ns_type: &NamespaceType) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub fn get_namespace_fd(&self, ns_type: NamespaceType) -> LibfluxResult<NamespaceFd> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_namespaces` is never used
[INFO] [stdout]    --> src/namespace.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub fn with_namespaces<F, R>(config: NamespaceConfig, f: F) -> LibfluxResult<R>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_namespace_id` is never used
[INFO] [stdout]    --> src/namespace.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub fn get_namespace_id(ns_type: &NamespaceType) -> LibfluxResult<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `setup_dns`, `setup_port_forwarding`, `setup_port_mapping`, and `get_stats` are never used
[INFO] [stdout]    --> src/net.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl NetworkManager {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 290 |     pub fn setup_dns(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     pub fn setup_port_forwarding(&self) -> LibfluxResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     fn setup_port_mapping(&self, host_port: u16, container_port: u16) -> LibfluxResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 472 |     pub fn get_stats(&self) -> LibfluxResult<NetworkStats> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NetworkStats` is never constructed
[INFO] [stdout]    --> src/net.rs:488:12
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub struct NetworkStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InterfaceStats` is never constructed
[INFO] [stdout]    --> src/net.rs:494:12
[INFO] [stdout]     |
[INFO] [stdout] 494 | pub struct InterfaceStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `can_create_bridge` and `can_create_veth` are never read
[INFO] [stdout]    --> src/net.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 516 | pub struct NetworkCapabilities {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 520 |     pub can_create_bridge: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 521 |     pub can_create_veth: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NetworkCapabilities` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rootless`, `rootless_range`, `get_current_mappings`, `read_mapping_file`, `mapping`, and `is_applied` are never used
[INFO] [stdout]    --> src/user.rs:79:12
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl UserMappingManager {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn rootless(pid: nix::unistd::Pid) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn rootless_range(pid: nix::unistd::Pid, range: u32) -> LibfluxResult<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn get_current_mappings(pid: nix::unistd::Pid) -> LibfluxResult<UserMapping> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     fn read_mapping_file(path: &str) -> LibfluxResult<Vec<IdMapping>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 317 |     pub fn mapping(&self) -> &UserMapping {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub fn is_applied(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_rootless_mapping` is never used
[INFO] [stdout]    --> src/user.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn create_rootless_mapping(pid: nix::unistd::Pid) -> UserMappingManager {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_rootless_range_mapping` is never used
[INFO] [stdout]    --> src/user.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn create_rootless_range_mapping(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dir_exists` is never used
[INFO] [stdout]   --> src/utils.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn dir_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_data_dir` is never used
[INFO] [stdout]   --> src/utils.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn get_data_dir() -> LibfluxResult<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_config_dir` is never used
[INFO] [stdout]   --> src/utils.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn get_config_dir() -> LibfluxResult<PathBuf> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "90a1941f91ef461bf9c2e716adbb3d02480ae36946dffd0f66e55d3f4887dfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a1941f91ef461bf9c2e716adbb3d02480ae36946dffd0f66e55d3f4887dfc3", kill_on_drop: false }`
[INFO] [stdout] 90a1941f91ef461bf9c2e716adbb3d02480ae36946dffd0f66e55d3f4887dfc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0a381d696382f9b098a35fab647761b4ff17f3a371bd08444ff4d83baef84ec
[INFO] running `Command { std: "docker" "start" "-a" "c0a381d696382f9b098a35fab647761b4ff17f3a371bd08444ff4d83baef84ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `info` and `warn`
[INFO] [stderr]   --> src/main.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 | use log::{debug, error, info, warn};
[INFO] [stderr]    |                         ^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MetadataExt`
[INFO] [stderr]   --> src/main.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::os::unix::fs::{FileTypeExt, MetadataExt};
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `stop_container_by_pid` is never used
[INFO] [stderr]    --> src/main.rs:229:10
[INFO] [stderr]     |
[INFO] [stderr] 229 | async fn stop_container_by_pid(pid: u32, timeout_secs: u64, force: bool) -> LibfluxResult<()> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SimpleContainerStats` is never constructed
[INFO] [stderr]     --> src/main.rs:1061:8
[INFO] [stderr]      |
[INFO] [stderr] 1061 | struct SimpleContainerStats {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_container_stats` is never used
[INFO] [stderr]     --> src/main.rs:1068:10
[INFO] [stderr]      |
[INFO] [stderr] 1068 | async fn get_container_stats(
[INFO] [stderr]      |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_proc_memory_usage` is never used
[INFO] [stderr]     --> src/main.rs:1093:4
[INFO] [stderr]      |
[INFO] [stderr] 1093 | fn read_proc_memory_usage(pid: u32) -> Option<String> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_proc_cpu_usage` is never used
[INFO] [stderr]     --> src/main.rs:1116:4
[INFO] [stderr]      |
[INFO] [stderr] 1116 | fn read_proc_cpu_usage(_pid: u32) -> Option<String> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `container_id` is never read
[INFO] [stderr]    --> src/cgroups.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub struct CgroupManager {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 129 |     container_id: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `user_time` and `system_time` are never read
[INFO] [stderr]    --> src/cgroups.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | struct CpuMeasurement {
[INFO] [stderr]     |        -------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 140 |     user_time: u64,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 141 |     system_time: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CpuMeasurement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `join` and `path` are never used
[INFO] [stderr]    --> src/cgroups.rs:253:12
[INFO] [stderr]     |
[INFO] [stderr] 152 | impl CgroupManager {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 253 |     pub fn join(&self) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 694 |     pub fn path(&self) -> &Path {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `pids` is never read
[INFO] [stderr]    --> src/cgroups.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 824 | pub struct ResourceStats {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 828 |     pub pids: PidsStats,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ResourceStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `usage_usec`, `user_usec`, and `system_usec` are never read
[INFO] [stderr]    --> src/cgroups.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 833 | pub struct CpuStats {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 834 |     /// Total CPU time used in microseconds
[INFO] [stderr] 835 |     pub usage_usec: u64,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 836 |     /// User CPU time in microseconds
[INFO] [stderr] 837 |     pub user_usec: u64,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 838 |     /// System CPU time in microseconds
[INFO] [stderr] 839 |     pub system_usec: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CpuStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cache`, `rss`, `virtual_memory`, `swap`, and `peak` are never read
[INFO] [stderr]    --> src/cgroups.rs:854:9
[INFO] [stderr]     |
[INFO] [stderr] 850 | pub struct MemoryStats {
[INFO] [stderr]     |            ----------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 854 |     pub cache: u64,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 855 |     /// RSS (Resident Set Size) in bytes
[INFO] [stderr] 856 |     pub rss: u64,
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 857 |     /// Virtual memory size in bytes
[INFO] [stderr] 858 |     pub virtual_memory: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 859 |     /// Swap usage in bytes
[INFO] [stderr] 860 |     pub swap: u64,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 864 |     pub peak: u64,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `MemoryStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `read_ios`, `write_ios`, `read_rate`, `write_rate`, and `disk_usage_percent` are never read
[INFO] [stderr]    --> src/cgroups.rs:875:9
[INFO] [stderr]     |
[INFO] [stderr] 869 | pub struct IoStats {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 875 |     pub read_ios: u64,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 876 |     /// Total write operations
[INFO] [stderr] 877 |     pub write_ios: u64,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 878 |     /// Read rate in bytes per second
[INFO] [stderr] 879 |     pub read_rate: f64,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 880 |     /// Write rate in bytes per second
[INFO] [stderr] 881 |     pub write_rate: f64,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 882 |     /// Disk usage percentage
[INFO] [stderr] 883 |     pub disk_usage_percent: f64,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IoStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `current` is never read
[INFO] [stderr]    --> src/cgroups.rs:889:9
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub struct PidsStats {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] 889 |     pub current: u64,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `PidsStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_system_controllers` is never used
[INFO] [stderr]    --> src/cgroups.rs:898:8
[INFO] [stderr]     |
[INFO] [stderr] 898 | pub fn get_system_controllers() -> LibfluxResult<Vec<String>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data_dir`, `namespace_manager`, and `child_process` are never read
[INFO] [stderr]    --> src/container.rs:84:5
[INFO] [stderr]     |
[INFO] [stderr]  78 | pub struct Container {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr]  84 |     data_dir: PathBuf,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  88 |     namespace_manager: Option<NamespaceManager>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     child_process: Arc<Mutex<Option<Child>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/container.rs:171:18
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl Container {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 171 |     pub async fn info(&self) -> ContainerInfo {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 499 |     pub async fn pause(&mut self) -> LibfluxResult<()> {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 528 |     pub async fn resume(&mut self) -> LibfluxResult<()> {
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 557 |     pub async fn stats(&mut self) -> LibfluxResult<ResourceStats> {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 569 |     pub async fn exec(&self, _command: Vec<String>) -> LibfluxResult<i32> {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 637 |     pub fn runtime_dir(&self) -> &Path {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 642 |     pub fn rootfs_path(&self) -> &Path {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Permission`, `NotFound`, and `NotSupported` are never constructed
[INFO] [stderr]   --> src/error.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub enum LibfluxError {
[INFO] [stderr]    |          ------------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 35 |     Permission(String),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     NotFound(String),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     NotSupported(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LibfluxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `AlreadyExists`, `AlreadyRunning`, `ProcessExited`, `InitializationFailed`, and `CleanupFailed` are never constructed
[INFO] [stderr]   --> src/error.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub enum ContainerError {
[INFO] [stderr]    |          -------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 54 |     AlreadyExists { container_id: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     AlreadyRunning { container_id: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     ProcessExited { exit_code: i32 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     InitializationFailed { reason: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     CleanupFailed { reason: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ContainerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `NotSupported`, `UnshareFailed`, and `InvalidFd` are never constructed
[INFO] [stderr]   --> src/error.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub enum NamespaceError {
[INFO] [stderr]    |          -------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 85 |     NotSupported { namespace_type: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 88 |     UnshareFailed { namespace_type: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     InvalidFd,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NamespaceError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InvalidValue` is never constructed
[INFO] [stderr]    --> src/error.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr]  96 | pub enum CgroupError {
[INFO] [stderr]     |          ----------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 113 |     InvalidValue { value: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CgroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `UnmountFailed`, `NotFile`, and `InsufficientPermissions` are never constructed
[INFO] [stderr]    --> src/error.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub enum FilesystemError {
[INFO] [stderr]     |          --------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 129 |     UnmountFailed { target: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 150 |     NotFile { path: String },
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     InsufficientPermissions { path: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FilesystemError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InterfaceCreationFailed`, `BridgeCreationFailed`, `VethCreationFailed`, `InterfaceNotFound`, `IpAssignmentFailed`, and `RouteConfigFailed` are never constructed
[INFO] [stderr]    --> src/error.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub enum NetworkError {
[INFO] [stderr]     |          ------------ variants in this enum
[INFO] [stderr] 159 |     #[error("Failed to create network interface: {interface}")]
[INFO] [stderr] 160 |     InterfaceCreationFailed { interface: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 166 |     BridgeCreationFailed { bridge_name: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 169 |     VethCreationFailed { veth1: String, veth2: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |     InterfaceNotFound { interface: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 |     IpAssignmentFailed { ip: String, interface: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 |     RouteConfigFailed,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `NetworkError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `FileNotFound`, `InvalidFormat`, `MissingField`, `InvalidValue`, `ParseError`, and `ValidationFailed` are never constructed
[INFO] [stderr]    --> src/error.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub enum ConfigError {
[INFO] [stderr]     |          ----------- variants in this enum
[INFO] [stderr] 184 |     #[error("Configuration file not found: {path}")]
[INFO] [stderr] 185 |     FileNotFound { path: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |     InvalidFormat { reason: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 191 |     MissingField { field: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 194 |     InvalidValue { field: String, value: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 197 |     ParseError { reason: String },
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 200 |     ValidationFailed { reason: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidGidMapping`, `UserNotFound`, and `GroupNotFound` are never constructed
[INFO] [stderr]    --> src/error.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 205 | pub enum UserMappingError {
[INFO] [stderr]     |          ---------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 216 |     InvalidGidMapping { mapping: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219 |     UserNotFound { user: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 |     GroupNotFound { group: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `UserMappingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `mounted_paths` is never used
[INFO] [stderr]    --> src/fs.rs:484:12
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl FilesystemManager {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 484 |     pub fn mounted_paths(&self) -> &[PathBuf] {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `debug` is never used
[INFO] [stderr]    --> src/logging.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr]  39 | impl ContainerLogger {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 117 |     pub fn debug(&self, message: &str, source: LogSource) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `stdout_logger` and `stderr_logger` are never read
[INFO] [stderr]    --> src/logging.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub struct OutputCapture {
[INFO] [stderr]     |            ------------- fields in this struct
[INFO] [stderr] 199 |     stdout_logger: ContainerLogger,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 200 |     stderr_logger: ContainerLogger,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `log_stdout`, `log_stderr`, and `flush` are never used
[INFO] [stderr]    --> src/logging.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 203 | impl OutputCapture {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 219 |     pub fn log_stdout(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 224 |     pub fn log_stderr(&self, message: &str) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229 |     pub fn flush(&self) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tail_logs` is never used
[INFO] [stderr]    --> src/logging.rs:264:14
[INFO] [stderr]     |
[INFO] [stderr] 264 | pub async fn tail_logs<F>(
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NamespaceFd` is never constructed
[INFO] [stderr]   --> src/namespace.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub struct NamespaceFd {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `enter` are never used
[INFO] [stderr]    --> src/namespace.rs:106:12
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl NamespaceFd {
[INFO] [stderr]     | ---------------- associated items in this implementation
[INFO] [stderr] 105 |     /// Create a new namespace file descriptor
[INFO] [stderr] 106 |     pub fn new(namespace_type: NamespaceType, pid: Pid) -> LibfluxResult<Self> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn enter(&self) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `join_namespace_by_pid`, `created_namespaces`, `has_namespace`, and `get_namespace_fd` are never used
[INFO] [stderr]    --> src/namespace.rs:254:12
[INFO] [stderr]     |
[INFO] [stderr] 180 | impl NamespaceManager {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 254 |     pub fn join_namespace_by_pid(&self, ns_type: NamespaceType, pid: Pid) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |     pub fn created_namespaces(&self) -> &[NamespaceType] {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 265 |     pub fn has_namespace(&self, ns_type: &NamespaceType) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 270 |     pub fn get_namespace_fd(&self, ns_type: NamespaceType) -> LibfluxResult<NamespaceFd> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `with_namespaces` is never used
[INFO] [stderr]    --> src/namespace.rs:276:8
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub fn with_namespaces<F, R>(config: NamespaceConfig, f: F) -> LibfluxResult<R>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_namespace_id` is never used
[INFO] [stderr]    --> src/namespace.rs:358:8
[INFO] [stderr]     |
[INFO] [stderr] 358 | pub fn get_namespace_id(ns_type: &NamespaceType) -> LibfluxResult<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `setup_dns`, `setup_port_forwarding`, `setup_port_mapping`, and `get_stats` are never used
[INFO] [stderr]    --> src/net.rs:290:12
[INFO] [stderr]     |
[INFO] [stderr] 109 | impl NetworkManager {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 290 |     pub fn setup_dns(&self) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 351 |     pub fn setup_port_forwarding(&self) -> LibfluxResult<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 359 |     fn setup_port_mapping(&self, host_port: u16, container_port: u16) -> LibfluxResult<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 472 |     pub fn get_stats(&self) -> LibfluxResult<NetworkStats> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NetworkStats` is never constructed
[INFO] [stderr]    --> src/net.rs:488:12
[INFO] [stderr]     |
[INFO] [stderr] 488 | pub struct NetworkStats {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InterfaceStats` is never constructed
[INFO] [stderr]    --> src/net.rs:494:12
[INFO] [stderr]     |
[INFO] [stderr] 494 | pub struct InterfaceStats {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `can_create_bridge` and `can_create_veth` are never read
[INFO] [stderr]    --> src/net.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 516 | pub struct NetworkCapabilities {
[INFO] [stderr]     |            ------------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 520 |     pub can_create_bridge: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 521 |     pub can_create_veth: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `NetworkCapabilities` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `rootless`, `rootless_range`, `get_current_mappings`, `read_mapping_file`, `mapping`, and `is_applied` are never used
[INFO] [stderr]    --> src/user.rs:79:12
[INFO] [stderr]     |
[INFO] [stderr]  68 | impl UserMappingManager {
[INFO] [stderr]     | ----------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  79 |     pub fn rootless(pid: nix::unistd::Pid) -> Self {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  93 |     pub fn rootless_range(pid: nix::unistd::Pid, range: u32) -> LibfluxResult<Self> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 263 |     pub fn get_current_mappings(pid: nix::unistd::Pid) -> LibfluxResult<UserMapping> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 275 |     fn read_mapping_file(path: &str) -> LibfluxResult<Vec<IdMapping>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 317 |     pub fn mapping(&self) -> &UserMapping {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 322 |     pub fn is_applied(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_rootless_mapping` is never used
[INFO] [stderr]    --> src/user.rs:330:8
[INFO] [stderr]     |
[INFO] [stderr] 330 | pub fn create_rootless_mapping(pid: nix::unistd::Pid) -> UserMappingManager {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_rootless_range_mapping` is never used
[INFO] [stderr]    --> src/user.rs:335:8
[INFO] [stderr]     |
[INFO] [stderr] 335 | pub fn create_rootless_range_mapping(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dir_exists` is never used
[INFO] [stderr]   --> src/utils.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn dir_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_data_dir` is never used
[INFO] [stderr]   --> src/utils.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn get_data_dir() -> LibfluxResult<PathBuf> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_config_dir` is never used
[INFO] [stderr]   --> src/utils.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn get_config_dir() -> LibfluxResult<PathBuf> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `libflux` (bin "libflux" test) generated 46 warnings (run `cargo fix --bin "libflux" -p libflux --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test cgroups::tests::test_cgroup_controller_display ... ok
[INFO] [stdout] test container::tests::test_container_state_display ... ok
[INFO] [stdout] test error::tests::test_error_conversion ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test fs::tests::test_mount_type_readonly ... ok
[INFO] [stdout] test fs::tests::test_mount_type_target ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/libflux-f614ab41b4986423)
[INFO] [stdout] test cgroups::tests::test_cgroup_controller_name ... ok
[INFO] [stdout] test cgroups::tests::test_cgroups_v2_check ... ok
[INFO] [stdout] test cgroups::tests::test_resource_limits_default ... ok
[INFO] [stdout] test namespace::tests::test_get_namespace_info ... ok
[INFO] [stdout] test namespace::tests::test_namespace_config_default ... ok
[INFO] [stdout] test logging::tests::test_parse_log_level ... ok
[INFO] [stdout] test namespace::tests::test_namespace_support_check ... ok
[INFO] [stdout] test namespace::tests::test_namespace_type_clone_flag ... ok
[INFO] [stdout] test namespace::tests::test_namespace_type_display ... ok
[INFO] [stdout] test container::tests::test_container_state_transitions ... ok
[INFO] [stdout] test namespace::tests::test_namespace_type_proc_path ... ok
[INFO] [stdout] test net::tests::test_generate_resolv_conf ... ok
[INFO] [stdout] test net::tests::test_dns_config_default ... ok
[INFO] [stdout] test net::tests::test_network_config_default ... ok
[INFO] [stdout] test net::tests::test_network_interface_default ... ok
[INFO] [stdout] test net::tests::test_network_manager_creation ... ok
[INFO] [stdout] test user::tests::test_id_mapping_string ... ok
[INFO] [stdout] test user::tests::test_can_create_user_namespace ... ok
[INFO] [stdout] test user::tests::test_id_mapping_creation ... ok
[INFO] [stdout] test fs::tests::test_filesystem_manager_creation ... ok
[INFO] [stdout] test user::tests::test_simple_mapping ... ok
[INFO] [stdout] test utils::tests::test_format_size ... ok
[INFO] [stdout] test logging::tests::test_container_logger ... ok
[INFO] [stdout] test utils::tests::test_generate_container_id ... ok
[INFO] [stdout] test utils::tests::test_is_valid_container_name ... ok
[INFO] [stdout] test utils::tests::test_parse_size ... ok
[INFO] [stdout] test user::tests::test_user_mapping_default ... ok
[INFO] [stdout] test user::tests::test_user_namespace_support_check ... ok
[INFO] [stdout] test utils::tests::test_sanitize_container_name ... ok
[INFO] [stdout] test container::tests::test_container_creation ... ok
[INFO] [stdout] test fs::tests::test_create_basic_rootfs ... ok
[INFO] [stdout] test net::tests::test_check_network_capabilities ... ok
[INFO] [stdout] test user::tests::test_subid_info ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- user::tests::test_subid_info stdout ----
[INFO] [stdout] SubID info: SubIdInfo { uid: 0, gid: 0, subuid_range: None, subgid_range: None, can_create_user_ns: true }
[INFO] [stdout] 
[INFO] [stdout] thread 'user::tests::test_subid_info' (48) panicked at src/user.rs:435:13:
[INFO] [stdout] assertion failed: info.uid > 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56c10841a282 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56c10841a282 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56c10841a282 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56c10841a282 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56c108430d7a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56c108430d7a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x56c10841f326 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56c10841f326 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56c1083f676f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56c1083f676f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56c108411689 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56c1082fd04e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56c1082fd04e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56c1084118f2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56c1084118f2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56c1083f685a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x56c1083ee019 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56c1083f76ed - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56c1084314bc - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56c108431482 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x56c108293801 - libflux[6b4f9c21e599906c]::user::tests::test_subid_info
[INFO] [stdout]                                at /opt/rustwide/workdir/src/user.rs:435:13
[INFO] [stdout]   21:     0x56c108291e77 - libflux[6b4f9c21e599906c]::user::tests::test_subid_info::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/user.rs:432:25
[INFO] [stdout]   22:     0x56c108283126 - <libflux[6b4f9c21e599906c]::user::tests::test_subid_info::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56c1082f13fb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56c1082f13fb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x56c1082fdc5a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x56c1082fdc5a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x56c1082fdc5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x56c1082fdc5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x56c1082fdc5a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x56c1082fdc5a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x56c1082fdc5a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x56c1082f8124 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x56c1082f8124 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x56c108300752 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x56c108300752 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x56c108300752 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x56c108300752 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x56c108300752 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x56c108300752 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x56c108300752 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56c10841974f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x56c10841974f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x7ba8bd310aa4 - <unknown>
[INFO] [stdout]   44:     0x7ba8bd39da64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     user::tests::test_subid_info
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 38 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin libflux`
[INFO] running `Command { std: "docker" "inspect" "c0a381d696382f9b098a35fab647761b4ff17f3a371bd08444ff4d83baef84ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a381d696382f9b098a35fab647761b4ff17f3a371bd08444ff4d83baef84ec", kill_on_drop: false }`
[INFO] [stdout] c0a381d696382f9b098a35fab647761b4ff17f3a371bd08444ff4d83baef84ec
