[INFO] fetching crate tokio-compat-02 0.2.0...
[INFO] checking tokio-compat-02-0.2.0 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate tokio-compat-02 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tokio-compat-02 0.2.0 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-compat-02 0.2.0
[INFO] finished tweaking crates.io crate tokio-compat-02 0.2.0
[INFO] tweaked toml for crates.io crate tokio-compat-02 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-compat-02 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded tokio-stream v0.1.1
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9784be507357c2d2d7f5070d3d28891e507b09985ef70fdf11a8374928fe392e
[INFO] running `Command { std: "docker" "start" "-a" "9784be507357c2d2d7f5070d3d28891e507b09985ef70fdf11a8374928fe392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9784be507357c2d2d7f5070d3d28891e507b09985ef70fdf11a8374928fe392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9784be507357c2d2d7f5070d3d28891e507b09985ef70fdf11a8374928fe392e", kill_on_drop: false }`
[INFO] [stdout] 9784be507357c2d2d7f5070d3d28891e507b09985ef70fdf11a8374928fe392e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba2c98ea6aa49f5cec8b241cdce2fa2c85847220fb26e47ac62e1e832e115ce
[INFO] running `Command { std: "docker" "start" "-a" "dba2c98ea6aa49f5cec8b241cdce2fa2c85847220fb26e47ac62e1e832e115ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-stream v0.1.1
[INFO] [stderr]     Checking tokio-compat-02 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "dba2c98ea6aa49f5cec8b241cdce2fa2c85847220fb26e47ac62e1e832e115ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba2c98ea6aa49f5cec8b241cdce2fa2c85847220fb26e47ac62e1e832e115ce", kill_on_drop: false }`
[INFO] [stdout] dba2c98ea6aa49f5cec8b241cdce2fa2c85847220fb26e47ac62e1e832e115ce
[INFO] checking tokio-compat-02-0.2.0 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827
[INFO] extracting crate tokio-compat-02 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tokio-compat-02 0.2.0 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-compat-02 0.2.0
[INFO] finished tweaking crates.io crate tokio-compat-02 0.2.0
[INFO] tweaked toml for crates.io crate tokio-compat-02 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio-compat-02 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea354d789fc583a844caa408868015631cd03c101692ba2fe077ddd1f60e372c
[INFO] running `Command { std: "docker" "start" "-a" "ea354d789fc583a844caa408868015631cd03c101692ba2fe077ddd1f60e372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea354d789fc583a844caa408868015631cd03c101692ba2fe077ddd1f60e372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea354d789fc583a844caa408868015631cd03c101692ba2fe077ddd1f60e372c", kill_on_drop: false }`
[INFO] [stdout] ea354d789fc583a844caa408868015631cd03c101692ba2fe077ddd1f60e372c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d822351b976cecf9c78a2185a1f1ac405ab4fc9c349357328eda38f6100bdd3a
[INFO] running `Command { std: "docker" "start" "-a" "d822351b976cecf9c78a2185a1f1ac405ab4fc9c349357328eda38f6100bdd3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-stream v0.1.1
[INFO] [stderr]     Checking tokio-compat-02 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stdout] error: implementation of `FnMut` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |       let make_svc = make_service_fn(|_conn| {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 30 | |         // This is the `Service` that will handle the connection.
[INFO] [stdout] 31 | |         // `service_fn` is a helper to convert a function that
[INFO] [stdout] 32 | |         // returns a Response into a `Service`.
[INFO] [stdout] 33 | |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout] 34 | |     });
[INFO] [stdout]    | |______^ implementation of `FnMut` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnMut<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnMut<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |       let make_svc = make_service_fn(|_conn| {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 30 | |         // This is the `Service` that will handle the connection.
[INFO] [stdout] 31 | |         // `service_fn` is a helper to convert a function that
[INFO] [stdout] 32 | |         // returns a Response into a `Service`.
[INFO] [stdout] 33 | |         async { Ok::<_, Infallible>(service_fn(hello)) }
[INFO] [stdout] 34 | |     });
[INFO] [stdout]    | |______^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnOnce<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let server = Server::builder(incoming)
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 40 | |         .executor(Tokio1Executor)
[INFO] [stdout] 41 | |         .serve(make_svc);
[INFO] [stdout]    | |________________________^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnOnce<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnMut` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let server = Server::builder(incoming)
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 40 | |         .executor(Tokio1Executor)
[INFO] [stdout] 41 | |         .serve(make_svc);
[INFO] [stdout]    | |________________________^ implementation of `FnMut` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnMut<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnMut<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let server = Server::builder(incoming)
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 40 | |         .executor(Tokio1Executor)
[INFO] [stdout] 41 | |         .serve(make_svc);
[INFO] [stdout]    | |________________________^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnOnce<(&AddrStream,)>`, for some specific lifetime `'0`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(&'1 AddrStream,)>`, for some specific lifetime `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     server.await?;
[INFO] [stdout]    |            ^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnOnce<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnMut` is not general enough
[INFO] [stdout]   --> examples/hyper_server.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     server.await?;
[INFO] [stdout]    |            ^^^^^ implementation of `FnMut` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `{async closure@examples/hyper_server.rs:29:36: 29:43}` must implement `FnMut<(&'1 AddrStream,)>`, for any lifetime `'1`...
[INFO] [stdout]    = note: ...but it actually implements `FnMut<(&'2 AddrStream,)>`, for some specific lifetime `'2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-compat-02` (example "hyper_server") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "d822351b976cecf9c78a2185a1f1ac405ab4fc9c349357328eda38f6100bdd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d822351b976cecf9c78a2185a1f1ac405ab4fc9c349357328eda38f6100bdd3a", kill_on_drop: false }`
[INFO] [stdout] d822351b976cecf9c78a2185a1f1ac405ab4fc9c349357328eda38f6100bdd3a