[INFO] fetching crate minio-rsc 0.1.3...
[INFO] checking minio-rsc-0.1.3 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate minio-rsc 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate minio-rsc 0.1.3 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minio-rsc 0.1.3
[INFO] finished tweaking crates.io crate minio-rsc 0.1.3
[INFO] tweaked toml for crates.io crate minio-rsc 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f47afdc312c9f0b834ec2cc7dab1368c50ecac1ae9ff9199abc29366f6da389f
[INFO] running `Command { std: "docker" "start" "-a" "f47afdc312c9f0b834ec2cc7dab1368c50ecac1ae9ff9199abc29366f6da389f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47afdc312c9f0b834ec2cc7dab1368c50ecac1ae9ff9199abc29366f6da389f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47afdc312c9f0b834ec2cc7dab1368c50ecac1ae9ff9199abc29366f6da389f", kill_on_drop: false }`
[INFO] [stdout] f47afdc312c9f0b834ec2cc7dab1368c50ecac1ae9ff9199abc29366f6da389f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1b075ebecd1578954c5ff3e3884d935f45275f1b185f4780715fd345d744a6
[INFO] running `Command { std: "docker" "start" "-a" "2f1b075ebecd1578954c5ff3e3884d935f45275f1b185f4780715fd345d744a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling rustls v0.21.2
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.100.1
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[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking openssl v0.10.55
[INFO] [stderr]     Checking tokio v1.29.1
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[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking minio-rsc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `XmlError`
[INFO] [stdout]  --> src/types/replication_confirguration.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::errors::{Error, XmlError};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]    --> src/errors.rs:233:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use crate::errors::{Result, XmlError};
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `XmlError`
[INFO] [stdout]  --> src/types/replication_confirguration.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::errors::{Error, XmlError};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket_name`
[INFO] [stdout]    --> src/client/client.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn _get_region<T: Into<String>>(&self, bucket_name: Option<T>) -> String {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bucket_name`
[INFO] [stdout]    --> src/client/client.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn _get_region<T: Into<String>>(&self, bucket_name: Option<T>) -> String {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bucket_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `secure` is never read
[INFO] [stdout]    --> src/client/client.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MinioRef {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 157 |     host: String,
[INFO] [stdout] 158 |     secure: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/errors.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ValueError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 34 |     fn new<T: Into<String>>(value: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_MULTIPART_COUNT` is never used
[INFO] [stdout]   --> src/signer.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MAX_MULTIPART_COUNT: usize = 10000; // 10000 parts
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PART_SIZE` is never used
[INFO] [stdout]   --> src/signer.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MAX_PART_SIZE: usize = 5 * 1024 * 1024 * 1024; // 5GiB
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bucket_name` is never used
[INFO] [stdout]   --> src/types/args/mod.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl BucketArgs {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(crate) fn bucket_name(&self) -> &str {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `region` is never read
[INFO] [stdout]   --> src/types/args/mod.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct ObjectArgs {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub(crate) region: Option<String>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectArgs` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `region` is never read
[INFO] [stdout]    --> src/types/args/mod.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct CopySource {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     region: Option<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra_headers` and `extra_query_params` are never read
[INFO] [stdout]   --> src/types/args/list_multipart_uploads_args.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct ListMultipartUploadsArgs {
[INFO] [stdout]    |            ------------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     extra_headers: Option<HeaderMap>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     extra_query_params: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extra_headers` is never read
[INFO] [stdout]   --> src/types/args/list_objects_args.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ListObjectsArgs {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub(crate) extra_headers: Option<HeaderMap>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/types/args/list_objects_args.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ListObjectsArgs {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 29 |     pub(crate) fn default() -> Self {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket_name`, `region`, `object_lock`, and `extra_headers` are never read
[INFO] [stdout]  --> src/types/args/make_bucket_args.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MakeBucketArgs {
[INFO] [stdout]   |        -------------- fields in this struct
[INFO] [stdout] 4 |     bucket_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     region: Option<String>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     object_lock: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     extra_headers: Option<HeaderMap>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_object_lock`, `bucket_name`, `region`, `object_lock`, and `extra_headers` are never used
[INFO] [stdout]   --> src/types/args/make_bucket_args.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MakeBucketArgs {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn set_object_lock(&mut self, lock: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn bucket_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn region(&self) -> Option<&String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn object_lock(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn extra_headers(&self) -> Option<&HeaderMap> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `object_lock_enabled` is never read
[INFO] [stdout]   --> src/types/object_lock_configure.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct InnerObjectLockConfiguration {
[INFO] [stdout]    |        ---------------------------- field in this struct
[INFO] [stdout] 24 |     object_lock_enabled: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `secure` is never read
[INFO] [stdout]    --> src/client/client.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MinioRef {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 157 |     host: String,
[INFO] [stdout] 158 |     secure: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/errors.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl ValueError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 34 |     fn new<T: Into<String>>(value: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_MULTIPART_COUNT` is never used
[INFO] [stdout]   --> src/signer.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MAX_MULTIPART_COUNT: usize = 10000; // 10000 parts
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PART_SIZE` is never used
[INFO] [stdout]   --> src/signer.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MAX_PART_SIZE: usize = 5 * 1024 * 1024 * 1024; // 5GiB
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bucket_name` is never used
[INFO] [stdout]   --> src/types/args/mod.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl BucketArgs {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(crate) fn bucket_name(&self) -> &str {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `region` is never read
[INFO] [stdout]   --> src/types/args/mod.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct ObjectArgs {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub(crate) region: Option<String>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectArgs` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `region` is never read
[INFO] [stdout]    --> src/types/args/mod.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct CopySource {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     region: Option<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra_headers` and `extra_query_params` are never read
[INFO] [stdout]   --> src/types/args/list_multipart_uploads_args.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct ListMultipartUploadsArgs {
[INFO] [stdout]    |            ------------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     extra_headers: Option<HeaderMap>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     extra_query_params: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extra_headers` is never read
[INFO] [stdout]   --> src/types/args/list_objects_args.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct ListObjectsArgs {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub(crate) extra_headers: Option<HeaderMap>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/types/args/list_objects_args.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ListObjectsArgs {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 29 |     pub(crate) fn default() -> Self {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket_name`, `region`, `object_lock`, and `extra_headers` are never read
[INFO] [stdout]  --> src/types/args/make_bucket_args.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MakeBucketArgs {
[INFO] [stdout]   |        -------------- fields in this struct
[INFO] [stdout] 4 |     bucket_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     region: Option<String>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     object_lock: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     extra_headers: Option<HeaderMap>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_object_lock`, `bucket_name`, `region`, `object_lock`, and `extra_headers` are never used
[INFO] [stdout]   --> src/types/args/make_bucket_args.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MakeBucketArgs {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn set_object_lock(&mut self, lock: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn bucket_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn region(&self) -> Option<&String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn object_lock(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn extra_headers(&self) -> Option<&HeaderMap> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `object_lock_enabled` is never read
[INFO] [stdout]   --> src/types/object_lock_configure.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct InnerObjectLockConfiguration {
[INFO] [stdout]    |        ---------------------------- field in this struct
[INFO] [stdout] 24 |     object_lock_enabled: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::Method`
[INFO] [stdout]  --> tests/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hyper::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `XmlError`
[INFO] [stdout]  --> tests/test.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use minio_rsc::errors::{Result, XmlError};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BucketArgs`
[INFO] [stdout]  --> tests/test.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use minio_rsc::types::args::{BucketArgs, ObjectArgs, PresignedArgs};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VersioningConfiguration`
[INFO] [stdout]  --> tests/test.rs:9:49
[INFO] [stdout]   |
[INFO] [stdout] 9 | use minio_rsc::types::{ObjectLockConfiguration, VersioningConfiguration};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2f1b075ebecd1578954c5ff3e3884d935f45275f1b185f4780715fd345d744a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1b075ebecd1578954c5ff3e3884d935f45275f1b185f4780715fd345d744a6", kill_on_drop: false }`
[INFO] [stdout] 2f1b075ebecd1578954c5ff3e3884d935f45275f1b185f4780715fd345d744a6