[INFO] fetching crate cni 0.1.3...
[INFO] checking cni-0.1.3 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate cni 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cni 0.1.3 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cni 0.1.3
[INFO] finished tweaking crates.io crate cni 0.1.3
[INFO] tweaked toml for crates.io crate cni 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipnetwork v0.17.0
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded typetag v0.1.7
[INFO] [stderr]   Downloaded typetag-impl v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 296f980645a6917aaaec3d7f0029401d7bc88be377b61e2b94d3f25d68fdd269
[INFO] running `Command { std: "docker" "start" "-a" "296f980645a6917aaaec3d7f0029401d7bc88be377b61e2b94d3f25d68fdd269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "296f980645a6917aaaec3d7f0029401d7bc88be377b61e2b94d3f25d68fdd269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296f980645a6917aaaec3d7f0029401d7bc88be377b61e2b94d3f25d68fdd269", kill_on_drop: false }`
[INFO] [stdout] 296f980645a6917aaaec3d7f0029401d7bc88be377b61e2b94d3f25d68fdd269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d0f41f4c278aaa9a3981de2614add980105db571a77b24ca56b66f6fa1bae5
[INFO] running `Command { std: "docker" "start" "-a" "71d0f41f4c278aaa9a3981de2614add980105db571a77b24ca56b66f6fa1bae5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking serde v1.0.128
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking typetag v0.1.7
[INFO] [stderr]     Checking cni v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::libcni::types`
[INFO] [stdout]  --> src/libcni/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::libcni::types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/libcni/exec.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     process::{Command, Stdio},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::libcni::types::DNS`
[INFO] [stdout]  --> src/libcni/result/result100.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::libcni::types::DNS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::libcni::types`
[INFO] [stdout]  --> src/libcni/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::libcni::types;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/libcni/exec.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     process::{Command, Stdio},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::libcni::types::DNS`
[INFO] [stdout]  --> src/libcni/result/result100.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::libcni::types::DNS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> src/libcni/exec.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plugin`
[INFO] [stdout]   --> src/libcni/exec.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plugin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/libcni/exec.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/libcni/exec.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn decode(&self, data: &[u8]) -> Result<()> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/libcni/plugin.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn encode<W: std::io::Write>(&self, w: W) -> super::Result<()> {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> src/libcni/exec.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plugin`
[INFO] [stdout]   --> src/libcni/exec.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plugin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/libcni/exec.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/libcni/exec.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn decode(&self, data: &[u8]) -> Result<()> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/libcni/plugin.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn encode<W: std::io::Write>(&self, w: W) -> super::Result<()> {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNKNOWN`
[INFO] [stdout]  --> src/libcni/error.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const CODE_UNKNOWN: usize = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INCOMPATIBLE_CNI_VERSION`
[INFO] [stdout]  --> src/libcni/error.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CODE_INCOMPATIBLE_CNI_VERSION: usize = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNSUPPORTED_FIELD`
[INFO] [stdout]  --> src/libcni/error.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const CODE_UNSUPPORTED_FIELD: usize = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNKNOWN_CONTAINER`
[INFO] [stdout]  --> src/libcni/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const CODE_UNKNOWN_CONTAINER: usize = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INVALID_ENVIRONMENT_VARIABLES`
[INFO] [stdout]   --> src/libcni/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const CODE_INVALID_ENVIRONMENT_VARIABLES: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_IO_FILURE`
[INFO] [stdout]   --> src/libcni/error.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CODE_IO_FILURE: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_DECODING_FAILURE`
[INFO] [stdout]   --> src/libcni/error.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const CODE_DECODING_FAILURE: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INVALID_NETWORK_CONFIG`
[INFO] [stdout]   --> src/libcni/error.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const CODE_INVALID_NETWORK_CONFIG: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_TRY_AGAIN_LATER`
[INFO] [stdout]   --> src/libcni/error.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const CODE_TRY_AGAIN_LATER: usize = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INTERNAL`
[INFO] [stdout]   --> src/libcni/error.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const CODE_INTERNAL: usize = 999;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/libcni/exec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     stderr: W,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/libcni/exec.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/libcni/exec.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new(buf: &'a [u8]) -> BufferedStdin {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMPLEMENTED_SPEC_VERSION`
[INFO] [stdout]  --> src/libcni/result/result100.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const IMPLEMENTED_SPEC_VERSION: &'static str = "1.0.0";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `container_id`
[INFO] [stdout]  --> src/libcni/types.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     container_id: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `net_ns`
[INFO] [stdout]  --> src/libcni/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     net_ns: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `if_name`
[INFO] [stdout]  --> src/libcni/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]  --> src/libcni/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     args: Vec<[String; 2]>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capability_args`
[INFO] [stdout]  --> src/libcni/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     capability_args: HashMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache_dir`
[INFO] [stdout]   --> src/libcni/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cache_dir: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNKNOWN`
[INFO] [stdout]  --> src/libcni/error.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const CODE_UNKNOWN: usize = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INCOMPATIBLE_CNI_VERSION`
[INFO] [stdout]  --> src/libcni/error.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CODE_INCOMPATIBLE_CNI_VERSION: usize = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNSUPPORTED_FIELD`
[INFO] [stdout]  --> src/libcni/error.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const CODE_UNSUPPORTED_FIELD: usize = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_UNKNOWN_CONTAINER`
[INFO] [stdout]  --> src/libcni/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const CODE_UNKNOWN_CONTAINER: usize = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INVALID_ENVIRONMENT_VARIABLES`
[INFO] [stdout]   --> src/libcni/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const CODE_INVALID_ENVIRONMENT_VARIABLES: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_IO_FILURE`
[INFO] [stdout]   --> src/libcni/error.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CODE_IO_FILURE: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_DECODING_FAILURE`
[INFO] [stdout]   --> src/libcni/error.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const CODE_DECODING_FAILURE: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INVALID_NETWORK_CONFIG`
[INFO] [stdout]   --> src/libcni/error.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const CODE_INVALID_NETWORK_CONFIG: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_TRY_AGAIN_LATER`
[INFO] [stdout]   --> src/libcni/error.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const CODE_TRY_AGAIN_LATER: usize = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE_INTERNAL`
[INFO] [stdout]   --> src/libcni/error.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const CODE_INTERNAL: usize = 999;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/libcni/exec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     stderr: W,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/libcni/exec.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/libcni/exec.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new(buf: &'a [u8]) -> BufferedStdin {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMPLEMENTED_SPEC_VERSION`
[INFO] [stdout]  --> src/libcni/result/result100.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const IMPLEMENTED_SPEC_VERSION: &'static str = "1.0.0";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `container_id`
[INFO] [stdout]  --> src/libcni/types.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     container_id: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `net_ns`
[INFO] [stdout]  --> src/libcni/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     net_ns: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `if_name`
[INFO] [stdout]  --> src/libcni/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]  --> src/libcni/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     args: Vec<[String; 2]>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capability_args`
[INFO] [stdout]  --> src/libcni/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     capability_args: HashMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache_dir`
[INFO] [stdout]   --> src/libcni/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cache_dir: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "71d0f41f4c278aaa9a3981de2614add980105db571a77b24ca56b66f6fa1bae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d0f41f4c278aaa9a3981de2614add980105db571a77b24ca56b66f6fa1bae5", kill_on_drop: false }`
[INFO] [stdout] 71d0f41f4c278aaa9a3981de2614add980105db571a77b24ca56b66f6fa1bae5