[INFO] cloning repository https://github.com/yuvadm/slingr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuvadm/slingr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvadm%2Fslingr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvadm%2Fslingr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1de3d81d5bdf782edbb6bf35f7cf66691a3c47
[INFO] building yuvadm/slingr against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuvadm%2Fslingr" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuvadm/slingr on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuvadm/slingr
[INFO] finished tweaking git repo https://github.com/yuvadm/slingr
[INFO] tweaked toml for git repo https://github.com/yuvadm/slingr written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/yuvadm/slingr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ed447000bb4a5084fae68819bab354027823526dedc85f3030256802e75f146
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ed447000bb4a5084fae68819bab354027823526dedc85f3030256802e75f146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed447000bb4a5084fae68819bab354027823526dedc85f3030256802e75f146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed447000bb4a5084fae68819bab354027823526dedc85f3030256802e75f146", kill_on_drop: false }`
[INFO] [stdout] 9ed447000bb4a5084fae68819bab354027823526dedc85f3030256802e75f146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4404de6e9eb460bc10d210d3879ebd7cb66f2a000915f6d2327b20f48ec37212
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4404de6e9eb460bc10d210d3879ebd7cb66f2a000915f6d2327b20f48ec37212", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling futures v0.1.22
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unindent v0.1.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling termios v0.3.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling aho-corasick v0.6.5
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling http v0.1.7
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling indoc-impl v0.2.6
[INFO] [stderr]    Compiling tokio-fs v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling indoc v0.2.6
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling hyper v0.12.6
[INFO] [stderr]    Compiling slingr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hyper::body::Body`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hyper::body::Body;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serve.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | type ResponseFuture = Box<Future<Item=Response<Body>, Error=io::Error> + Send>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response<Body>, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MULTICAST_ADDRESS`
[INFO] [stdout]   --> src/upnp.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MULTICAST_ADDRESS: &'static str = "239.255.255.250:1900";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEARCH_REQUEST`
[INFO] [stdout]   --> src/upnp.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / const SEARCH_REQUEST: &'static str = "M-SEARCH * HTTP/1.1\r\n
[INFO] [stdout] 16 | | Host: 239.255.255.250:1900\r\n
[INFO] [stdout] 17 | | Man: \"ssdp:discover\"\r\n
[INFO] [stdout] 18 | | ST: ssdp:all\r\n
[INFO] [stdout] 19 | | MX: 3\r\n
[INFO] [stdout] 20 | | User-Agent: slingr/0.1.0\r\n\r\n";
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `USN_REGEX`
[INFO] [stdout]   --> src/upnp.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | const USN_REGEX: &'static str = r"uuid:([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `XML_REGEX`
[INFO] [stdout]   --> src/upnp.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | const XML_REGEX: &'static str = r"Location: (http(s?)://[\w\.:/]*)";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_udp_message`
[INFO] [stdout]   --> src/upnp.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_udp_message(msg: &str) -> Device {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fetch_url`
[INFO] [stdout]   --> src/upnp.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn fetch_url(url: hyper::Uri) -> impl Future<Item=(), Error=()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `discover`
[INFO] [stdout]   --> src/upnp.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn discover() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SOAP_ACTION_PREFIX`
[INFO] [stdout]  --> src/notify.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SOAP_ACTION_PREFIX: &'static str = "urn:schemas-upnp-org:service:AVTransport:1#";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACTION_SET_URI`
[INFO] [stdout]  --> src/notify.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ACTION_SET_URI: &'static str = "SetAVTransportURI";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACTION_PLAY`
[INFO] [stdout]  --> src/notify.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ACTION_PLAY: &'static str = "Play";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACTION_PAUSE`
[INFO] [stdout]  --> src/notify.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ACTION_PAUSE: &'static str = "Pause";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACTION_STOP`
[INFO] [stdout]   --> src/notify.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ACTION_STOP: &'static str = "Stop";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.41s
[INFO] running `Command { std: "docker" "inspect" "4404de6e9eb460bc10d210d3879ebd7cb66f2a000915f6d2327b20f48ec37212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4404de6e9eb460bc10d210d3879ebd7cb66f2a000915f6d2327b20f48ec37212", kill_on_drop: false }`
[INFO] [stdout] 4404de6e9eb460bc10d210d3879ebd7cb66f2a000915f6d2327b20f48ec37212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167a4a4b98d1c646dae584294bc68290bd14e602c7dec6e8775ffb760de2054d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "167a4a4b98d1c646dae584294bc68290bd14e602c7dec6e8775ffb760de2054d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slingr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> src/upnp.rs:96:19
[INFO] [stdout]     |
[INFO] [stdout] 96  |           let msg = indoc!(r#"
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 97  | |             HTTP/1.1 200 OK
[INFO] [stdout] 98  | |             Content-Type: text/xml; charset="utf-8"
[INFO] [stdout] 99  | |             SERVER: Linux/3.10.0 eHomeMediaCenter/1.0
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |             Location: http://192.168.33.44:38400/deviceDescription/MediaRenderer
[INFO] [stdout] 107 | |             Foo: foo"#);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]    --> src/upnp.rs:96:19
[INFO] [stdout]     |
[INFO] [stdout] 96  |           let msg = indoc!(r#"
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 97  | |             HTTP/1.1 200 OK
[INFO] [stdout] 98  | |             Content-Type: text/xml; charset="utf-8"
[INFO] [stdout] 99  | |             SERVER: Linux/3.10.0 eHomeMediaCenter/1.0
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |             Location: http://192.168.33.44:38400/deviceDescription/MediaRenderer
[INFO] [stdout] 107 | |             Foo: foo"#);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hyper::body::Body`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hyper::body::Body;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serve.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | type ResponseFuture = Box<Future<Item=Response<Body>, Error=io::Error> + Send>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response<Body>, Error=io::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slingr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "167a4a4b98d1c646dae584294bc68290bd14e602c7dec6e8775ffb760de2054d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167a4a4b98d1c646dae584294bc68290bd14e602c7dec6e8775ffb760de2054d", kill_on_drop: false }`
[INFO] [stdout] 167a4a4b98d1c646dae584294bc68290bd14e602c7dec6e8775ffb760de2054d
