[INFO] fetching crate ferry 0.0.2...
[INFO] testing ferry-0.0.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ferry 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ferry 0.0.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 152b88c2486f6517cef77f489d29dfe333ede6a24f7b47c548e66ceb3e4f4dac
[INFO] running `Command { std: "docker" "start" "-a" "152b88c2486f6517cef77f489d29dfe333ede6a24f7b47c548e66ceb3e4f4dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152b88c2486f6517cef77f489d29dfe333ede6a24f7b47c548e66ceb3e4f4dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152b88c2486f6517cef77f489d29dfe333ede6a24f7b47c548e66ceb3e4f4dac", kill_on_drop: false }`
[INFO] [stdout] 152b88c2486f6517cef77f489d29dfe333ede6a24f7b47c548e66ceb3e4f4dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] c6e344e10757e9c88c068dd54e151bebf4fc11843b6eec83c2919436607915ba
[INFO] running `Command { std: "docker" "start" "-a" "c6e344e10757e9c88c068dd54e151bebf4fc11843b6eec83c2919436607915ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling curl v0.4.40
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling oauth2 v1.3.0
[INFO] [stderr]    Compiling 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.74s
[INFO] running `Command { std: "docker" "inspect" "c6e344e10757e9c88c068dd54e151bebf4fc11843b6eec83c2919436607915ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e344e10757e9c88c068dd54e151bebf4fc11843b6eec83c2919436607915ba", kill_on_drop: false }`
[INFO] [stdout] c6e344e10757e9c88c068dd54e151bebf4fc11843b6eec83c2919436607915ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 34a5963d458b1d826faa63884966206b8e7b03e4ed929c39045e5d9f38a9bfdb
[INFO] running `Command { std: "docker" "start" "-a" "34a5963d458b1d826faa63884966206b8e7b03e4ed929c39045e5d9f38a9bfdb", kill_on_drop: false }`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ferry v0.0.2 (/opt/rustwide/workdir)
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "34a5963d458b1d826faa63884966206b8e7b03e4ed929c39045e5d9f38a9bfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a5963d458b1d826faa63884966206b8e7b03e4ed929c39045e5d9f38a9bfdb", kill_on_drop: false }`
[INFO] [stdout] 34a5963d458b1d826faa63884966206b8e7b03e4ed929c39045e5d9f38a9bfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b407ecba2849128d0273ea407e8ad78602228d34f12988e8d6463a2a7eb12240
[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" "b407ecba2849128d0273ea407e8ad78602228d34f12988e8d6463a2a7eb12240", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/provider.rs:9:58
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn begin_auth(&self, state: &'static str) -> Result<Box<Session>, Error>;
[INFO] [stderr]   |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/provider.rs:10:30
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/provider.rs:10:58
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn unmarshal_session(&self, &'static str) -> Result<Box<Session>, Error>;
[INFO] [stderr]    |                                                             ^^^^^^^ help: use `dyn`: `dyn Session`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/provider.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stderr]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Session`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/provider.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn fetch_user(&self, &Session) -> Result<User, Error>;
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Session`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/provider.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn refresh_token(&self, &'static str) -> Result<&'static Token, Error>; //Get new access token based on the refresh token
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]  --> src/session.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn get(&self, &'static str) -> &'static str;
[INFO] [stderr]   |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/session.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stderr]    |                         ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Provider`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]   --> src/session.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stderr]    |                                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Params`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/session.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Provider`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/session.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn authorize(&self, &Provider, &Params) -> Result<String, Error>;
[INFO] [stderr]    |                                     ^^^^^^ help: use `dyn`: `dyn Params`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub providers: Vec<&'static provider::Provider>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(providers: Vec<&'static provider::Provider>) -> Ferry {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn provider::Provider`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `ferry` (lib) generated 13 warnings
[INFO] [stderr] warning: `ferry` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferry-3fb1b4601d2aaf10)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ferry
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "b407ecba2849128d0273ea407e8ad78602228d34f12988e8d6463a2a7eb12240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b407ecba2849128d0273ea407e8ad78602228d34f12988e8d6463a2a7eb12240", kill_on_drop: false }`
[INFO] [stdout] b407ecba2849128d0273ea407e8ad78602228d34f12988e8d6463a2a7eb12240