[INFO] fetching crate cni 0.1.3...
[INFO] testing cni-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate cni 0.1.3 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate cni 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10db1b40fed4ebb8ba23370b469824dd973c6b2fa8327b51505b3d8f8c475b2d
[INFO] running `Command { std: "docker" "start" "-a" "10db1b40fed4ebb8ba23370b469824dd973c6b2fa8327b51505b3d8f8c475b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10db1b40fed4ebb8ba23370b469824dd973c6b2fa8327b51505b3d8f8c475b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10db1b40fed4ebb8ba23370b469824dd973c6b2fa8327b51505b3d8f8c475b2d", kill_on_drop: false }`
[INFO] [stdout] 10db1b40fed4ebb8ba23370b469824dd973c6b2fa8327b51505b3d8f8c475b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214a29b66a5462d5e8456834a10b3655cdc248a01902b348e2d7b9ab8c78fb09
[INFO] running `Command { std: "docker" "start" "-a" "214a29b66a5462d5e8456834a10b3655cdc248a01902b348e2d7b9ab8c78fb09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]    Compiling inventory v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling ipnetwork v0.17.0
[INFO] [stderr]    Compiling typetag v0.1.8
[INFO] [stderr]    Compiling 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: `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: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "214a29b66a5462d5e8456834a10b3655cdc248a01902b348e2d7b9ab8c78fb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214a29b66a5462d5e8456834a10b3655cdc248a01902b348e2d7b9ab8c78fb09", kill_on_drop: false }`
[INFO] [stdout] 214a29b66a5462d5e8456834a10b3655cdc248a01902b348e2d7b9ab8c78fb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3909d07f0eb9ba8c34e78c73ece22b4615c188973b9544d7f7659471e781527
[INFO] running `Command { std: "docker" "start" "-a" "b3909d07f0eb9ba8c34e78c73ece22b4615c188973b9544d7f7659471e781527", kill_on_drop: false }`
[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: 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] [stderr]    Compiling 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: `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: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "b3909d07f0eb9ba8c34e78c73ece22b4615c188973b9544d7f7659471e781527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3909d07f0eb9ba8c34e78c73ece22b4615c188973b9544d7f7659471e781527", kill_on_drop: false }`
[INFO] [stdout] b3909d07f0eb9ba8c34e78c73ece22b4615c188973b9544d7f7659471e781527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c3a446fb2884bf37a0d91f709c03e83852e749b32e05f3da38f08b3bfd12dd8
[INFO] running `Command { std: "docker" "start" "-a" "7c3a446fb2884bf37a0d91f709c03e83852e749b32e05f3da38f08b3bfd12dd8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::libcni::types`
[INFO] [stderr]  --> src/libcni/api.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::libcni::types;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Command`
[INFO] [stderr]  --> src/libcni/exec.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     process::{Command, Stdio},
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::libcni::types::DNS`
[INFO] [stderr]  --> src/libcni/result/result100.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::libcni::types::DNS;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Read`
[INFO] [stderr]  --> src/libcni/exec.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     io::Read,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plugin`
[INFO] [stderr]   --> src/libcni/exec.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plugin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paths`
[INFO] [stderr]   --> src/libcni/exec.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn find_in_path(&self, plugin: String, paths: Vec<String>) -> Result<String> {
[INFO] [stderr]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/libcni/exec.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn decode(&self, data: &[u8]) -> Result<()> {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/libcni/plugin.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn encode<W: std::io::Write>(&self, w: W) -> super::Result<()> {
[INFO] [stderr]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_UNKNOWN`
[INFO] [stderr]  --> src/libcni/error.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const CODE_UNKNOWN: usize = 0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_INCOMPATIBLE_CNI_VERSION`
[INFO] [stderr]  --> src/libcni/error.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const CODE_INCOMPATIBLE_CNI_VERSION: usize = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_UNSUPPORTED_FIELD`
[INFO] [stderr]  --> src/libcni/error.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const CODE_UNSUPPORTED_FIELD: usize = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_UNKNOWN_CONTAINER`
[INFO] [stderr]  --> src/libcni/error.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const CODE_UNKNOWN_CONTAINER: usize = 3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_INVALID_ENVIRONMENT_VARIABLES`
[INFO] [stderr]   --> src/libcni/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const CODE_INVALID_ENVIRONMENT_VARIABLES: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_IO_FILURE`
[INFO] [stderr]   --> src/libcni/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const CODE_IO_FILURE: usize = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_DECODING_FAILURE`
[INFO] [stderr]   --> src/libcni/error.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const CODE_DECODING_FAILURE: usize = 6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_INVALID_NETWORK_CONFIG`
[INFO] [stderr]   --> src/libcni/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const CODE_INVALID_NETWORK_CONFIG: usize = 7;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_TRY_AGAIN_LATER`
[INFO] [stderr]   --> src/libcni/error.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const CODE_TRY_AGAIN_LATER: usize = 11;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE_INTERNAL`
[INFO] [stderr]   --> src/libcni/error.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const CODE_INTERNAL: usize = 999;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stderr`
[INFO] [stderr]   --> src/libcni/exec.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     stderr: W,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]   --> src/libcni/exec.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     buf: &'a [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/libcni/exec.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn new(buf: &'a [u8]) -> BufferedStdin {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `IMPLEMENTED_SPEC_VERSION`
[INFO] [stderr]  --> src/libcni/result/result100.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const IMPLEMENTED_SPEC_VERSION: &'static str = "1.0.0";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `container_id`
[INFO] [stderr]  --> src/libcni/types.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     container_id: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `net_ns`
[INFO] [stderr]  --> src/libcni/types.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     net_ns: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `if_name`
[INFO] [stderr]  --> src/libcni/types.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if_name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]  --> src/libcni/types.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     args: Vec<[String; 2]>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `capability_args`
[INFO] [stderr]  --> src/libcni/types.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     capability_args: HashMap<String, String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cache_dir`
[INFO] [stderr]   --> src/libcni/types.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     cache_dir: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cni` (lib) generated 28 warnings
[INFO] [stderr] warning: `cni` (lib test) generated 28 warnings (28 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cni-3afa9e7bfbc509d8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cni
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c3a446fb2884bf37a0d91f709c03e83852e749b32e05f3da38f08b3bfd12dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3a446fb2884bf37a0d91f709c03e83852e749b32e05f3da38f08b3bfd12dd8", kill_on_drop: false }`
[INFO] [stdout] 7c3a446fb2884bf37a0d91f709c03e83852e749b32e05f3da38f08b3bfd12dd8