[INFO] fetching crate json-request 0.2.0...
[INFO] checking json-request-0.2.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate json-request 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate json-request 0.2.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-request 0.2.0
[INFO] finished tweaking crates.io crate json-request 0.2.0
[INFO] tweaked toml for crates.io crate json-request 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 735dbc5471a665eef6dee8b5fbb23e2d462acc80fb8ef167a95e153f87cbb13d
[INFO] running `Command { std: "docker" "start" "-a" "735dbc5471a665eef6dee8b5fbb23e2d462acc80fb8ef167a95e153f87cbb13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "735dbc5471a665eef6dee8b5fbb23e2d462acc80fb8ef167a95e153f87cbb13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735dbc5471a665eef6dee8b5fbb23e2d462acc80fb8ef167a95e153f87cbb13d", kill_on_drop: false }`
[INFO] [stdout] 735dbc5471a665eef6dee8b5fbb23e2d462acc80fb8ef167a95e153f87cbb13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c881b970f158180c7880dc1f3f614866c6c89e7e8b56f92d905d2bc581b667da
[INFO] running `Command { std: "docker" "start" "-a" "c881b970f158180c7880dc1f3f614866c6c89e7e8b56f92d905d2bc581b667da", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
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[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking json-request v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::method`
[INFO] [stdout]   --> src/lib.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use hyper::method::Method;
[INFO] [stdout]    |                ^^^^^^ could not find `method` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::status`
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | use hyper::status::StatusClass;
[INFO] [stdout]    |            ^^^^^^ could not find `status` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::method`
[INFO] [stdout]   --> src/lib.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use hyper::method::Method;
[INFO] [stdout]    |                ^^^^^^ could not find `method` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::status`
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | use hyper::status::StatusClass;
[INFO] [stdout]    |            ^^^^^^ could not find `status` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Connection` in `header`
[INFO] [stdout]    --> src/lib.rs:154:49
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   .header(header::Connection::close())
[INFO] [stdout]     |                                       ^^^^^^^^^^ not found in `header`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::connect::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::server::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Connection` in `header`
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   .header(header::Connection::close());
[INFO] [stdout]     |                                       ^^^^^^^^^^ not found in `header`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::connect::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::server::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let payload = try!(json::encode(&inner));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             try!(builder.send())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(builder.send())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             try!(res.read_to_string(&mut body));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Some(try!(json::decode::<D>(&body[..])))
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Connection` in `header`
[INFO] [stdout]    --> src/lib.rs:154:49
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   .header(header::Connection::close())
[INFO] [stdout]     |                                       ^^^^^^^^^^ not found in `header`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::connect::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::server::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Connection` in `header`
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   .header(header::Connection::close());
[INFO] [stdout]     |                                       ^^^^^^^^^^ not found in `header`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::client::connect::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 11  | use hyper::server::conn::Connection;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let payload = try!(json::encode(&inner));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             try!(builder.send())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(builder.send())
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             try!(res.read_to_string(&mut body));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Some(try!(json::decode::<D>(&body[..])))
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:47
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Error::HttpClient(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:74:48
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::JsonDecoder(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:47
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Error::HttpClient(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:74:48
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::JsonDecoder(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::JsonEncoder(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::JsonEncoder(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let builder = client.request(method, url)
[INFO] [stdout]     |                                  ^^^^^^^ ------  --- supplied 2 arguments
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let builder = client.request(method, url)
[INFO] [stdout]     |                                  ^^^^^^^ ------  --- supplied 2 arguments
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `header` found for struct `hyper::client::ResponseFuture` in the current scope
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   .header(header::Connection::close())
[INFO] [stdout]     |                        ^^^^^^ method not found in `hyper::client::ResponseFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let builder = client.request(method, url)
[INFO] [stdout]     |                                  ^^^^^^^ ------  --- supplied 2 arguments
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `header` found for struct `hyper::client::ResponseFuture` in the current scope
[INFO] [stdout]    --> src/lib.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   .header(header::Connection::close());
[INFO] [stdout]     |                        ^^^^^^ method not found in `hyper::client::ResponseFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/lib.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::{Read, self};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-request`.
[INFO] [stdout] error: aborting due to 8 previous errors; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `header` found for struct `hyper::client::ResponseFuture` in the current scope
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   .header(header::Connection::close())
[INFO] [stdout]     |                        ^^^^^^ method not found in `hyper::client::ResponseFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let builder = client.request(method, url)
[INFO] [stdout]     |                                  ^^^^^^^ ------  --- supplied 2 arguments
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `header` found for struct `hyper::client::ResponseFuture` in the current scope
[INFO] [stdout]    --> src/lib.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   .header(header::Connection::close());
[INFO] [stdout]     |                        ^^^^^^ method not found in `hyper::client::ResponseFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/lib.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::{Read, self};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c881b970f158180c7880dc1f3f614866c6c89e7e8b56f92d905d2bc581b667da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c881b970f158180c7880dc1f3f614866c6c89e7e8b56f92d905d2bc581b667da", kill_on_drop: false }`
[INFO] [stdout] c881b970f158180c7880dc1f3f614866c6c89e7e8b56f92d905d2bc581b667da
