[INFO] fetching crate influent 0.5.3...
[INFO] checking influent-0.5.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate influent 0.5.3 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate influent 0.5.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate influent 0.5.3
[INFO] finished tweaking crates.io crate influent 0.5.3
[INFO] tweaked toml for crates.io crate influent 0.5.3 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f7ec69720099bb007e5492ff2707e995b7aa1a78176fa7985e48e6636dba778
[INFO] running `Command { std: "docker" "start" "-a" "4f7ec69720099bb007e5492ff2707e995b7aa1a78176fa7985e48e6636dba778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7ec69720099bb007e5492ff2707e995b7aa1a78176fa7985e48e6636dba778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7ec69720099bb007e5492ff2707e995b7aa1a78176fa7985e48e6636dba778", kill_on_drop: false }`
[INFO] [stdout] 4f7ec69720099bb007e5492ff2707e995b7aa1a78176fa7985e48e6636dba778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b0f2061bbae3d7b29c17844a7115f6169f386ed12fb92ab8cf0a53d03cfef4
[INFO] running `Command { std: "docker" "start" "-a" "c4b0f2061bbae3d7b29c17844a7115f6169f386ed12fb92ab8cf0a53d03cfef4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking influent v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/http.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     serializer: Box<Serializer + Send + Sync>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serializer + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     hurl: Box<Hurl + Send + Sync>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hurl + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(credentials: Credentials<'a>, serializer: Box<Serializer + Send + Sync>, hurl: Box<Hurl + Send + Sync>) -> HttpClient<'a> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serializer + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:33:99
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(credentials: Credentials<'a>, serializer: Box<Serializer + Send + Sync>, hurl: Box<Hurl + Send + Sync>) -> HttpClient<'a> {
[INFO] [stdout]    |                                                                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hurl + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/client/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn write_many(&self, &[Measurement], Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Measurement]`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn write_many(&self, &[Measurement], Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_one(&self, Measurement, Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Measurement`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_one(&self, Measurement, Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/client/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn query(&self, String, Option<Precision>) -> ClientReadResult;
[INFO] [stdout]    |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/client/mod.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn query(&self, String, Option<Precision>) -> ClientReadResult;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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/client/mod.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub type ClientWriteResult = Box<Future<Item=(), Error=ClientError> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(), Error=ClientError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/mod.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type ClientReadResult = Box<Future<Item=String, Error=ClientError> + Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=String, Error=ClientError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/hurl/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn request(&self, Request) -> HurlResult;
[INFO] [stdout]   |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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/hurl/mod.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type HurlResult = Box<Future<Item=Response, Error=String> + Send>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response, Error=String> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     serializer: Box<Serializer + Send + Sync>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serializer + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     hurl: Box<Hurl + Send + Sync>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hurl + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(credentials: Credentials<'a>, serializer: Box<Serializer + Send + Sync>, hurl: Box<Hurl + Send + Sync>) -> HttpClient<'a> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serializer + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:33:99
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(credentials: Credentials<'a>, serializer: Box<Serializer + Send + Sync>, hurl: Box<Hurl + Send + Sync>) -> HttpClient<'a> {
[INFO] [stdout]    |                                                                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hurl + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |         result: Box<(Fn() -> HurlResult) + Send + Sync>
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (Fn() -> HurlResult) + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |         fn new(result: Box<(Fn() -> HurlResult) + Send + Sync>) -> MockHurl {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (Fn() -> HurlResult) + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/http.rs:191:31
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn before<'a>(result: Box<(Fn() -> HurlResult) + Send + Sync>) -> HttpClient<'a> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (Fn() -> HurlResult) + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/client/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn write_many(&self, &[Measurement], Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Measurement]`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn write_many(&self, &[Measurement], Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_one(&self, Measurement, Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Measurement`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/client/mod.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_one(&self, Measurement, Option<Precision>) -> ClientWriteResult;
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/client/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn query(&self, String, Option<Precision>) -> ClientReadResult;
[INFO] [stdout]    |                     ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/client/mod.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn query(&self, String, Option<Precision>) -> ClientReadResult;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Precision>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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/client/mod.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub type ClientWriteResult = Box<Future<Item=(), Error=ClientError> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(), Error=ClientError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/client/mod.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type ClientReadResult = Box<Future<Item=String, Error=ClientError> + Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=String, Error=ClientError> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/hurl/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn request(&self, Request) -> HurlResult;
[INFO] [stdout]   |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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/hurl/mod.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type HurlResult = Box<Future<Item=Response, Error=String> + Send>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response, Error=String> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/client/http.rs:208:113
[INFO] [stdout]     |
[INFO] [stdout] 208 |         ::tokio::run(client.write_one(Measurement::new("key"), Some(Precision::Nanoseconds)).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 208 |         ::tokio::run(client.write_one(Measurement::new("key"), Some(Precision::Nanoseconds)).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                                                                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 208 |         ::tokio::run(client.write_one(Measurement::new("key"), Some(Precision::Nanoseconds)).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                                                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "c4b0f2061bbae3d7b29c17844a7115f6169f386ed12fb92ab8cf0a53d03cfef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b0f2061bbae3d7b29c17844a7115f6169f386ed12fb92ab8cf0a53d03cfef4", kill_on_drop: false }`
[INFO] [stdout] c4b0f2061bbae3d7b29c17844a7115f6169f386ed12fb92ab8cf0a53d03cfef4
