[INFO] fetching crate ttrpc 0.5.1...
[INFO] testing ttrpc-0.5.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ttrpc 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ttrpc 0.5.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ttrpc 0.5.1
[INFO] finished tweaking crates.io crate ttrpc 0.5.1
[INFO] tweaked toml for crates.io crate ttrpc 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vsock v0.2.4
[INFO] [stderr]   Downloaded tokio-vsock v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] eeba7c71fa976fdd8082c29c456eee5dd1e07cd8c5750e136f57f19a0053b65c
[INFO] running `Command { std: "docker" "start" "-a" "eeba7c71fa976fdd8082c29c456eee5dd1e07cd8c5750e136f57f19a0053b65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeba7c71fa976fdd8082c29c456eee5dd1e07cd8c5750e136f57f19a0053b65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeba7c71fa976fdd8082c29c456eee5dd1e07cd8c5750e136f57f19a0053b65c", kill_on_drop: false }`
[INFO] [stdout] eeba7c71fa976fdd8082c29c456eee5dd1e07cd8c5750e136f57f19a0053b65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08cc0a012d4e2b9755708c618e6dff4723205dbbe44bcdce2f00af28d354021d
[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" "08cc0a012d4e2b9755708c618e6dff4723205dbbe44bcdce2f00af28d354021d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.23.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ttrpc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 46 | pub mod context;
[INFO] [stdout]    | ---------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]    --> src/common.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |               #[doc(inline)]
[INFO] [stdout]     |                     ^^^^^^ only applicable on `use` items
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:55:1
[INFO] [stdout]     |
[INFO] [stdout] 55  | / cfg_sync! {
[INFO] [stdout] 56  | |     pub mod sync;
[INFO] [stdout]     | |     ------------- not a `use` item
[INFO] [stdout] 57  | |     pub use crate::sync::channel::{write_message};
[INFO] [stdout] 58  | |     pub use crate::sync::utils::{response_to_channel, MethodHandler, TtrpcContext};
[INFO] [stdout] ...   |
[INFO] [stdout] 62  | |     pub use crate::sync::server::Server;
[INFO] [stdout] 63  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout]     = note: this warning originates in the macro `cfg_sync` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "08cc0a012d4e2b9755708c618e6dff4723205dbbe44bcdce2f00af28d354021d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cc0a012d4e2b9755708c618e6dff4723205dbbe44bcdce2f00af28d354021d", kill_on_drop: false }`
[INFO] [stdout] 08cc0a012d4e2b9755708c618e6dff4723205dbbe44bcdce2f00af28d354021d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] 1957d9086c534cf125be0330cfb6b87f9f04021e883369ac181428a104823cf2
[INFO] running `Command { std: "docker" "start" "-a" "1957d9086c534cf125be0330cfb6b87f9f04021e883369ac181428a104823cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttrpc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 46 | pub mod context;
[INFO] [stdout]    | ---------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]    --> src/common.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |               #[doc(inline)]
[INFO] [stdout]     |                     ^^^^^^ only applicable on `use` items
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:55:1
[INFO] [stdout]     |
[INFO] [stdout] 55  | / cfg_sync! {
[INFO] [stdout] 56  | |     pub mod sync;
[INFO] [stdout]     | |     ------------- not a `use` item
[INFO] [stdout] 57  | |     pub use crate::sync::channel::{write_message};
[INFO] [stdout] 58  | |     pub use crate::sync::utils::{response_to_channel, MethodHandler, TtrpcContext};
[INFO] [stdout] ...   |
[INFO] [stdout] 62  | |     pub use crate::sync::server::Server;
[INFO] [stdout] 63  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout]     = note: this warning originates in the macro `cfg_sync` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 46 | pub mod context;
[INFO] [stdout]    | ---------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]    --> src/common.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |               #[doc(inline)]
[INFO] [stdout]     |                     ^^^^^^ only applicable on `use` items
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:55:1
[INFO] [stdout]     |
[INFO] [stdout] 55  | / cfg_sync! {
[INFO] [stdout] 56  | |     pub mod sync;
[INFO] [stdout]     | |     ------------- not a `use` item
[INFO] [stdout] 57  | |     pub use crate::sync::channel::{write_message};
[INFO] [stdout] 58  | |     pub use crate::sync::utils::{response_to_channel, MethodHandler, TtrpcContext};
[INFO] [stdout] ...   |
[INFO] [stdout] 62  | |     pub use crate::sync::server::Server;
[INFO] [stdout] 63  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout]     = note: this warning originates in the macro `cfg_sync` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "1957d9086c534cf125be0330cfb6b87f9f04021e883369ac181428a104823cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1957d9086c534cf125be0330cfb6b87f9f04021e883369ac181428a104823cf2", kill_on_drop: false }`
[INFO] [stdout] 1957d9086c534cf125be0330cfb6b87f9f04021e883369ac181428a104823cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f62636c65db64ff83a2f226e2ad719ffae935113d35fa0f1b37232dbaa417f3e
[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" "f62636c65db64ff83a2f226e2ad719ffae935113d35fa0f1b37232dbaa417f3e", kill_on_drop: false }`
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stderr]   --> src/lib.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[doc(inline)]
[INFO] [stderr]    |       ^^^^^^ only applicable on `use` items
[INFO] [stderr] 46 | pub mod context;
[INFO] [stderr]    | ---------------- not a `use` item
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stderr] 
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stderr]    --> src/common.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |               #[doc(inline)]
[INFO] [stderr]     |                     ^^^^^^ only applicable on `use` items
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / cfg_sync! {
[INFO] [stderr] 56  | |     pub mod sync;
[INFO] [stderr]     | |     ------------- not a `use` item
[INFO] [stderr] 57  | |     pub use crate::sync::channel::{write_message};
[INFO] [stderr] 58  | |     pub use crate::sync::utils::{response_to_channel, MethodHandler, TtrpcContext};
[INFO] [stderr] ...   |
[INFO] [stderr] 62  | |     pub use crate::sync::server::Server;
[INFO] [stderr] 63  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stderr]     = note: this warning originates in the macro `cfg_sync` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stderr]   --> src/lib.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[doc(inline)]
[INFO] [stderr]    |       ^^^^^^ only applicable on `use` items
[INFO] [stderr] 46 | pub mod context;
[INFO] [stderr]    | ---------------- not a `use` item
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stderr] 
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stderr]    --> src/common.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |               #[doc(inline)]
[INFO] [stderr]     |                     ^^^^^^ only applicable on `use` items
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / cfg_sync! {
[INFO] [stderr] 56  | |     pub mod sync;
[INFO] [stderr]     | |     ------------- not a `use` item
[INFO] [stderr] 57  | |     pub use crate::sync::channel::{write_message};
[INFO] [stderr] 58  | |     pub use crate::sync::utils::{response_to_channel, MethodHandler, TtrpcContext};
[INFO] [stderr] ...   |
[INFO] [stderr] 62  | |     pub use crate::sync::server::Server;
[INFO] [stderr] 63  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stderr]     = note: this warning originates in the macro `cfg_sync` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ttrpc-65adc7bc0ae99d55)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test context::tests::test_context ... ok
[INFO] [stdout] test context::tests::test_metadata ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ttrpc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f62636c65db64ff83a2f226e2ad719ffae935113d35fa0f1b37232dbaa417f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62636c65db64ff83a2f226e2ad719ffae935113d35fa0f1b37232dbaa417f3e", kill_on_drop: false }`
[INFO] [stdout] f62636c65db64ff83a2f226e2ad719ffae935113d35fa0f1b37232dbaa417f3e