[INFO] fetching crate fibers_http_client 0.1.2...
[INFO] testing fibers_http_client-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate fibers_http_client 0.1.2 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate fibers_http_client 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fibers_http_client 0.1.2
[INFO] finished tweaking crates.io crate fibers_http_client 0.1.2
[INFO] tweaked toml for crates.io crate fibers_http_client 0.1.2 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 fibers_http_server v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f0c4ea22ec272c7b41586e6b424853b204c09d761693088955e48dceaf817c
[INFO] running `Command { std: "docker" "start" "-a" "88f0c4ea22ec272c7b41586e6b424853b204c09d761693088955e48dceaf817c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f0c4ea22ec272c7b41586e6b424853b204c09d761693088955e48dceaf817c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f0c4ea22ec272c7b41586e6b424853b204c09d761693088955e48dceaf817c", kill_on_drop: false }`
[INFO] [stdout] 88f0c4ea22ec272c7b41586e6b424853b204c09d761693088955e48dceaf817c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c98f9ea03b8fffd4e8bc464e86870e6fe101e5b789ece9584588f4579e94ce64
[INFO] running `Command { std: "docker" "start" "-a" "c98f9ea03b8fffd4e8bc464e86870e6fe101e5b789ece9584588f4579e94ce64", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling bytecodec v0.4.15
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling httpcodec v0.2.3
[INFO] [stderr]    Compiling fibers_http_client v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/connection_pool.rs:265:23
[INFO] [stdout]     |
[INFO] [stdout] 265 |     type Future = Box<Future<Item = Self::Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Error> + Send + 'static`
[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/connection_pool.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |     future: Box<Future<Item = TcpStream, Error = Error> + Send + 'static>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TcpStream, Error = Error> + Send + 'static`
[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: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]   --> src/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connection.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     type Future = Box<Future<Item = Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Connection, Error = Error> + Send + 'static`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.40s
[INFO] running `Command { std: "docker" "inspect" "c98f9ea03b8fffd4e8bc464e86870e6fe101e5b789ece9584588f4579e94ce64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98f9ea03b8fffd4e8bc464e86870e6fe101e5b789ece9584588f4579e94ce64", kill_on_drop: false }`
[INFO] [stdout] c98f9ea03b8fffd4e8bc464e86870e6fe101e5b789ece9584588f4579e94ce64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53e712d466e313f0a9d1c88612c179572b7da852dfb0ead9b589a3c3dc61326
[INFO] running `Command { std: "docker" "start" "-a" "d53e712d466e313f0a9d1c88612c179572b7da852dfb0ead9b589a3c3dc61326", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/connection_pool.rs:265:23
[INFO] [stdout]     |
[INFO] [stdout] 265 |     type Future = Box<Future<Item = Self::Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Error> + Send + 'static`
[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/connection_pool.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |     future: Box<Future<Item = TcpStream, Error = Error> + Send + 'static>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TcpStream, Error = Error> + Send + 'static`
[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: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]   --> src/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connection.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     type Future = Box<Future<Item = Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Connection, Error = Error> + Send + 'static`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling fibers_http_server v0.1.12
[INFO] [stderr]    Compiling fibers_http_client v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/connection_pool.rs:265:23
[INFO] [stdout]     |
[INFO] [stdout] 265 |     type Future = Box<Future<Item = Self::Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Error> + Send + 'static`
[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/connection_pool.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |     future: Box<Future<Item = TcpStream, Error = Error> + Send + 'static>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TcpStream, Error = Error> + Send + 'static`
[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: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]   --> src/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/connection.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     type Future = Box<Future<Item = Connection, Error = Error> + Send + 'static>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Connection, Error = Error> + Send + 'static`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.97s
[INFO] running `Command { std: "docker" "inspect" "d53e712d466e313f0a9d1c88612c179572b7da852dfb0ead9b589a3c3dc61326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53e712d466e313f0a9d1c88612c179572b7da852dfb0ead9b589a3c3dc61326", kill_on_drop: false }`
[INFO] [stdout] d53e712d466e313f0a9d1c88612c179572b7da852dfb0ead9b589a3c3dc61326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c88d1083b141fef2536449f0ba448ad3ad17e1510a4114c1322b82a1ab96552
[INFO] running `Command { std: "docker" "start" "-a" "7c88d1083b141fef2536449f0ba448ad3ad17e1510a4114c1322b82a1ab96552", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connection_pool.rs:265:23
[INFO] [stderr]     |
[INFO] [stderr] 265 |     type Future = Box<Future<Item = Self::Connection, Error = Error> + Send + 'static>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Error> + Send + 'static`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connection_pool.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |     future: Box<Future<Item = TcpStream, Error = Error> + Send + 'static>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = TcpStream, Error = Error> + Send + 'static`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stderr]   --> src/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connection.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     type Future = Box<Future<Item = Connection, Error = Error> + Send + 'static>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Connection, Error = Error> + Send + 'static`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `fibers_http_client` (lib) generated 4 warnings
[INFO] [stderr] warning: `fibers_http_client` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fibers_http_client-45be0e4d4ae9cb16)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test connection_pool::tests::allocate_and_release_works ... ok
[INFO] [stdout] test connection_pool::tests::discard_oldest_pooled_connection_works ... ok
[INFO] [stdout] test connection_pool::tests::tick_works ... ok
[INFO] [stdout] test connection_pool::tests::lend_works ... ok
[INFO] [stdout] test test::connection_pool_works ... ok
[INFO] [stdout] test test::oneshot_connection_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibers_http_client
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test src/connection_pool.rs - connection_pool::ConnectionPool (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c88d1083b141fef2536449f0ba448ad3ad17e1510a4114c1322b82a1ab96552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c88d1083b141fef2536449f0ba448ad3ad17e1510a4114c1322b82a1ab96552", kill_on_drop: false }`
[INFO] [stdout] 7c88d1083b141fef2536449f0ba448ad3ad17e1510a4114c1322b82a1ab96552
