[INFO] fetching crate ferry 0.0.2...
[INFO] testing ferry-0.0.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ferry 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ferry 0.0.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] a1d2e154229f4bdc41961f93f22a3112ecc5b2786243fb175905d6e491142c6e
[INFO] running `Command { std: "docker" "start" "-a" "a1d2e154229f4bdc41961f93f22a3112ecc5b2786243fb175905d6e491142c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d2e154229f4bdc41961f93f22a3112ecc5b2786243fb175905d6e491142c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d2e154229f4bdc41961f93f22a3112ecc5b2786243fb175905d6e491142c6e", kill_on_drop: false }`
[INFO] [stdout] a1d2e154229f4bdc41961f93f22a3112ecc5b2786243fb175905d6e491142c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1a89ac9fc57c0c1ce0eb4fe5b3356f1f8f6bb56a128d3ed935970724a88f15
[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" "0b1a89ac9fc57c0c1ce0eb4fe5b3356f1f8f6bb56a128d3ed935970724a88f15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling chrono v0.4.19
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.82s
[INFO] running `Command { std: "docker" "inspect" "0b1a89ac9fc57c0c1ce0eb4fe5b3356f1f8f6bb56a128d3ed935970724a88f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1a89ac9fc57c0c1ce0eb4fe5b3356f1f8f6bb56a128d3ed935970724a88f15", kill_on_drop: false }`
[INFO] [stdout] 0b1a89ac9fc57c0c1ce0eb4fe5b3356f1f8f6bb56a128d3ed935970724a88f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] cfd411034b441d1f851bd99d2e029dec5d6cd7e59d04adbdc945c028fe92ae09
[INFO] running `Command { std: "docker" "start" "-a" "cfd411034b441d1f851bd99d2e029dec5d6cd7e59d04adbdc945c028fe92ae09", kill_on_drop: false }`
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: 7 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "cfd411034b441d1f851bd99d2e029dec5d6cd7e59d04adbdc945c028fe92ae09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd411034b441d1f851bd99d2e029dec5d6cd7e59d04adbdc945c028fe92ae09", kill_on_drop: false }`
[INFO] [stdout] cfd411034b441d1f851bd99d2e029dec5d6cd7e59d04adbdc945c028fe92ae09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eed73869336933926eeec43df9578ae3cb460d0fb7286c690a51087216ebd117
[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" "eed73869336933926eeec43df9578ae3cb460d0fb7286c690a51087216ebd117", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 
[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: 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: 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: 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: 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: 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: 7 warnings emitted
[INFO] [stderr] 
[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] 
[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: 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: 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: 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: 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: 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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ferry-fbfa661e5e8fa966
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ferry
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eed73869336933926eeec43df9578ae3cb460d0fb7286c690a51087216ebd117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed73869336933926eeec43df9578ae3cb460d0fb7286c690a51087216ebd117", kill_on_drop: false }`
[INFO] [stdout] eed73869336933926eeec43df9578ae3cb460d0fb7286c690a51087216ebd117
