[INFO] fetching crate jsonrpc-client-http 0.5.0...
[INFO] testing jsonrpc-client-http-0.5.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate jsonrpc-client-http 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jsonrpc-client-http 0.5.0 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 jsonrpc-client-http 0.5.0
[INFO] finished tweaking crates.io crate jsonrpc-client-http 0.5.0
[INFO] tweaked toml for crates.io crate jsonrpc-client-http 0.5.0 written to /workspace/builds/worker-5/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 jsonrpc-server-utils v8.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v8.0.1
[INFO] [stderr]   Downloaded jsonrpc-pubsub v8.0.0
[INFO] [stderr]   Downloaded jsonrpc-macros v8.0.0
[INFO] [stderr]   Downloaded jsonrpc-client-core v0.5.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v8.0.0
[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" "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] [stdout] b9597992102edd8b6a7f9b366e8e0c7ba8605ffc2abfbc45dd75d2280193ee91
[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" "b9597992102edd8b6a7f9b366e8e0c7ba8605ffc2abfbc45dd75d2280193ee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9597992102edd8b6a7f9b366e8e0c7ba8605ffc2abfbc45dd75d2280193ee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9597992102edd8b6a7f9b366e8e0c7ba8605ffc2abfbc45dd75d2280193ee91", kill_on_drop: false }`
[INFO] [stdout] b9597992102edd8b6a7f9b366e8e0c7ba8605ffc2abfbc45dd75d2280193ee91
[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" "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] b58e8a3488d9898320ad102aaab8b76db254cafbec52c8487d3fe9d8d7f15b47
[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" "b58e8a3488d9898320ad102aaab8b76db254cafbec52c8487d3fe9d8d7f15b47", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling jsonrpc-client-core v0.5.0
[INFO] [stderr]    Compiling jsonrpc-client-http v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:36
[INFO] [stdout]     |
[INFO] [stdout] 333 | ) -> Result<(Core, CoreSender, Box<Future<Item = (), Error = ()>>)> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:351:10
[INFO] [stdout]     |
[INFO] [stdout] 351 | ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:373:24
[INFO] [stdout]     |
[INFO] [stdout] 373 |     Box::new(f) as Box<Future<Item = (), Error = ()>>
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |     type Future = Box<Future<Item = Vec<u8>, Error = Self::Error> + Send>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Self::Error> + Send`
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "b58e8a3488d9898320ad102aaab8b76db254cafbec52c8487d3fe9d8d7f15b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58e8a3488d9898320ad102aaab8b76db254cafbec52c8487d3fe9d8d7f15b47", kill_on_drop: false }`
[INFO] [stdout] b58e8a3488d9898320ad102aaab8b76db254cafbec52c8487d3fe9d8d7f15b47
[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" "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] [stdout] 1832e161a1fc9d7d40673dae84591039a4f367ed67d3ea5692afabeadb4872ea
[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" "1832e161a1fc9d7d40673dae84591039a4f367ed67d3ea5692afabeadb4872ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling jsonrpc-server-utils v8.0.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:36
[INFO] [stdout]     |
[INFO] [stdout] 333 | ) -> Result<(Core, CoreSender, Box<Future<Item = (), Error = ()>>)> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:351:10
[INFO] [stdout]     |
[INFO] [stdout] 351 | ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:373:24
[INFO] [stdout]     |
[INFO] [stdout] 373 |     Box::new(f) as Box<Future<Item = (), Error = ()>>
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |     type Future = Box<Future<Item = Vec<u8>, Error = Self::Error> + Send>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Self::Error> + Send`
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling jsonrpc-http-server v8.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v8.0.0
[INFO] [stderr]    Compiling jsonrpc-macros v8.0.0
[INFO] [stderr]    Compiling jsonrpc-client-http v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |         fn to_upper(&self, String) -> Result<String, Error>;
[INFO] [stdout]    |                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` 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 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stdout]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stdout]    |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fn sleep(&self, u64) -> Result<(), Error>;
[INFO] [stdout]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |         fn to_upper(&self, String) -> Result<String, Error>;
[INFO] [stdout]    |                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` 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 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stdout]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stdout]    |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> tests/common/mod.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fn sleep(&self, u64) -> Result<(), Error>;
[INFO] [stdout]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:36
[INFO] [stdout]     |
[INFO] [stdout] 333 | ) -> Result<(Core, CoreSender, Box<Future<Item = (), Error = ()>>)> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:351:10
[INFO] [stdout]     |
[INFO] [stdout] 351 | ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:373:24
[INFO] [stdout]     |
[INFO] [stdout] 373 |     Box::new(f) as Box<Future<Item = (), Error = ()>>
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |     type Future = Box<Future<Item = Vec<u8>, Error = Self::Error> + Send>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Self::Error> + Send`
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.70s
[INFO] running `Command { std: "docker" "inspect" "1832e161a1fc9d7d40673dae84591039a4f367ed67d3ea5692afabeadb4872ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1832e161a1fc9d7d40673dae84591039a4f367ed67d3ea5692afabeadb4872ea", kill_on_drop: false }`
[INFO] [stdout] 1832e161a1fc9d7d40673dae84591039a4f367ed67d3ea5692afabeadb4872ea
[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" "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] de5419b046d04c7e169015971222d39f07b965f3e419fc605e12866b07696609
[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" "de5419b046d04c7e169015971222d39f07b965f3e419fc605e12866b07696609", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:333:36
[INFO] [stderr]     |
[INFO] [stderr] 333 | ) -> Result<(Core, CoreSender, Box<Future<Item = (), Error = ()>>)> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:351:10
[INFO] [stderr]     |
[INFO] [stderr] 351 | ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:373:24
[INFO] [stderr]     |
[INFO] [stderr] 373 |     Box::new(f) as Box<Future<Item = (), Error = ()>>
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:412:23
[INFO] [stderr]     |
[INFO] [stderr] 412 |     type Future = Box<Future<Item = Vec<u8>, Error = Self::Error> + Send>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Self::Error> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:333:36
[INFO] [stderr]     |
[INFO] [stderr] 333 | ) -> Result<(Core, CoreSender, Box<Future<Item = (), Error = ()>>)> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:351:10
[INFO] [stderr]     |
[INFO] [stderr] 351 | ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:373:24
[INFO] [stderr]     |
[INFO] [stderr] 373 |     Box::new(f) as Box<Future<Item = (), Error = ()>>
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:412:23
[INFO] [stderr]     |
[INFO] [stderr] 412 |     type Future = Box<Future<Item = Vec<u8>, Error = Self::Error> + Send>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<u8>, Error = Self::Error> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 |         fn to_upper(&self, String) -> Result<String, Error>;
[INFO] [stderr]    |                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` 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 the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stderr]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stderr]    |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn sleep(&self, u64) -> Result<(), Error>;
[INFO] [stderr]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 |         fn to_upper(&self, String) -> Result<String, Error>;
[INFO] [stderr]    |                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` 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 the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stderr]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |         fn slow_to_upper(&self, String, u64) -> Result<String, Error>;
[INFO] [stderr]    |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> tests/common/mod.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn sleep(&self, u64) -> Result<(), Error>;
[INFO] [stderr]    |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_client_http-33ad29ff4a81e88b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::new_shared ... ok
[INFO] [stdout] test tests::failing_client_creator ... ok
[INFO] [stdout] test tests::new_standalone ... ok
[INFO] [stdout] test tests::new_custom_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/custom_headers.rs (/opt/rustwide/target/debug/deps/custom_headers-1d317f9e9661e1d0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test set_host_header ... ok
[INFO] [stdout] test set_content_length ... ok
[INFO] [stdout] test set_host_header_twice ... ok
[INFO] [stdout] test set_content_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/localhost.rs (/opt/rustwide/target/debug/deps/localhost-83b6bd903f2ebf98)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test localhost_ping_pong ... ok
[INFO] [stdout] test dropped_rpc_request_should_not_crash_transport ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.23s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/timeout.rs (/opt/rustwide/target/debug/deps/timeout-d206b490bcd95265)
[INFO] [stdout] test short_request_should_succeed ... ok
[INFO] [stdout] test timeout_error ... ok
[INFO] [stdout] test long_request_should_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-client-http
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - HttpTransportBuilder<C>::with_client (line 205) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de5419b046d04c7e169015971222d39f07b965f3e419fc605e12866b07696609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5419b046d04c7e169015971222d39f07b965f3e419fc605e12866b07696609", kill_on_drop: false }`
[INFO] [stdout] de5419b046d04c7e169015971222d39f07b965f3e419fc605e12866b07696609