[INFO] crate async-http-client 0.2.0 is already in cache
[INFO] checking async-http-client-0.2.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate async-http-client 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-http-client 0.2.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-http-client 0.2.0
[INFO] finished tweaking crates.io crate async-http-client 0.2.0
[INFO] tweaked toml for crates.io crate async-http-client 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb7b60cabb1026daa1f0545b13ff51772fc2cc31ebeae5597a9ea358c29dee41
[INFO] running `"docker" "start" "-a" "fb7b60cabb1026daa1f0545b13ff51772fc2cc31ebeae5597a9ea358c29dee41"`
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking async-http-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:46
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::IoFuture': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:50
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:232:6
[INFO] [stderr]     |
[INFO] [stderr] 232 | impl Codec for HttpCodec {
[INFO] [stderr]     |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:30
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:55
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::IoFuture': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:80
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:112
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                                                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:191:43
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn decode_header(&mut self, buf: &mut EasyBuf) -> Result<Option<HttpResponse>, Error> {
[INFO] [stderr]     |                                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:236:36
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<HttpResponse>, Error> {
[INFO] [stderr]     |                                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub use tokio_core::io::Io;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]   --> src/lib.rs:54:31
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub use futures::future::{BoxFuture, empty, err, lazy, ok, result};
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:38
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:46
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::IoFuture': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:45:50
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tokio_core::io::{EasyBuf, Codec, Framed, Io, IoFuture};
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:232:6
[INFO] [stderr]     |
[INFO] [stderr] 232 | impl Codec for HttpCodec {
[INFO] [stderr]     |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:30
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:55
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::IoFuture': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:80
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:146:112
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn send<T: 'static + Io + Send>(self, framed: Framed<T, HttpCodec>) -> IoFuture<(Option<HttpResponse>, Framed<T, HttpCodec>)> {
[INFO] [stderr]     |                                                                                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:191:43
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn decode_header(&mut self, buf: &mut EasyBuf) -> Result<Option<HttpResponse>, Error> {
[INFO] [stderr]     |                                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:236:36
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<HttpResponse>, Error> {
[INFO] [stderr]     |                                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/lib.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub use tokio_core::io::Io;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::BoxFuture': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]   --> src/lib.rs:54:31
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub use futures::future::{BoxFuture, empty, err, lazy, ok, result};
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         }).boxed()
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::len': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let after_header = buf.len() - bytes_left;
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::drain_to': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |         buf.drain_to(after_header);
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         }).boxed()
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec::decode': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |             return self.decode(buf);
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::len': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:240:31
[INFO] [stderr]     |
[INFO] [stderr] 240 |             let buf_len = buf.len();
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::drain_to': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:245:76
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 self.response.as_mut().map(|res| response::append(res, buf.drain_to(buf_len).as_slice()));
[INFO] [stderr]     |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::as_slice': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:245:94
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 self.response.as_mut().map(|res| response::append(res, buf.drain_to(buf_len).as_slice()));
[INFO] [stderr]     |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::len': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let after_header = buf.len() - bytes_left;
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::drain_to': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |         buf.drain_to(after_header);
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Codec::decode': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |             return self.decode(buf);
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::len': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:240:31
[INFO] [stderr]     |
[INFO] [stderr] 240 |             let buf_len = buf.len();
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::drain_to': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:245:76
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 self.response.as_mut().map(|res| response::append(res, buf.drain_to(buf_len).as_slice()));
[INFO] [stderr]     |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::EasyBuf::as_slice': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:245:94
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 self.response.as_mut().map(|res| response::append(res, buf.drain_to(buf_len).as_slice()));
[INFO] [stderr]     |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io::framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:302:37
[INFO] [stderr]     |
[INFO] [stderr] 302 |             let framed = connection.framed(HttpCodec::new());
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io::framed': moved to the `tokio-io` crate
[INFO] [stderr]    --> src/lib.rs:323:37
[INFO] [stderr]     |
[INFO] [stderr] 323 |             let framed = connection.framed(HttpCodec::new());
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `"docker" "inspect" "fb7b60cabb1026daa1f0545b13ff51772fc2cc31ebeae5597a9ea358c29dee41"`
[INFO] running `"docker" "rm" "-f" "fb7b60cabb1026daa1f0545b13ff51772fc2cc31ebeae5597a9ea358c29dee41"`
[INFO] [stdout] fb7b60cabb1026daa1f0545b13ff51772fc2cc31ebeae5597a9ea358c29dee41
