[INFO] fetching crate ferry 0.0.2...
[INFO] checking ferry-0.0.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ferry 0.0.2 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate ferry 0.0.2 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 ferry 0.0.2
[INFO] finished tweaking crates.io crate ferry 0.0.2
[INFO] tweaked toml for crates.io crate ferry 0.0.2 written to /workspace/builds/worker-117/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]  Downloading crates ...
[INFO] [stderr]   Downloaded oauth2 v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] b87636a60dcbc707e886c142337effcab3b3dc4fc78adc81de1ae9490b7ee67c
[INFO] running `Command { std: "docker" "start" "-a" "b87636a60dcbc707e886c142337effcab3b3dc4fc78adc81de1ae9490b7ee67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b87636a60dcbc707e886c142337effcab3b3dc4fc78adc81de1ae9490b7ee67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87636a60dcbc707e886c142337effcab3b3dc4fc78adc81de1ae9490b7ee67c", kill_on_drop: false }`
[INFO] [stdout] b87636a60dcbc707e886c142337effcab3b3dc4fc78adc81de1ae9490b7ee67c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 8c6d7dc66370e33a60d071d5d3172d5eeecc7553e569618b690c3c5a80e52ad2
[INFO] running `Command { std: "docker" "start" "-a" "8c6d7dc66370e33a60d071d5d3172d5eeecc7553e569618b690c3c5a80e52ad2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking oauth2 v1.3.0
[INFO] [stderr]     Checking ferry v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/provider.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn begin_auth(&self, state: &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]   |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/provider.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]    |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[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/provider.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stdout]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Session`
[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/provider.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Session`
[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/provider.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn refresh_token(&self, &'static str) -> Result<&'static Token, Error>; //Get new access token based on the refresh token
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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/session.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get(&self, &'static str) -> &'static str;
[INFO] [stdout]   |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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/session.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                         ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Provider`
[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/session.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Params`
[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/session.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn Provider`
[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/session.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Params`
[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/lib.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub providers: Vec<&'static provider::Provider>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[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/lib.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(providers: Vec<&'static provider::Provider>) -> Ferry {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[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/provider.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn begin_auth(&self, state: &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]   |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/provider.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stdout]    |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[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/provider.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stdout]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Session`
[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/provider.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Session`
[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/provider.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn refresh_token(&self, &'static str) -> Result<&'static Token, Error>; //Get new access token based on the refresh token
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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/session.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get(&self, &'static str) -> &'static str;
[INFO] [stdout]   |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[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/session.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                         ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Provider`
[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/session.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Params`
[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/session.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn Provider`
[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/session.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Params`
[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/lib.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub providers: Vec<&'static provider::Provider>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[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/lib.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(providers: Vec<&'static provider::Provider>) -> Ferry {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.75s
[INFO] running `Command { std: "docker" "inspect" "8c6d7dc66370e33a60d071d5d3172d5eeecc7553e569618b690c3c5a80e52ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6d7dc66370e33a60d071d5d3172d5eeecc7553e569618b690c3c5a80e52ad2", kill_on_drop: false }`
[INFO] [stdout] 8c6d7dc66370e33a60d071d5d3172d5eeecc7553e569618b690c3c5a80e52ad2
