[INFO] fetching crate iron_vhosts 0.5.0...
[INFO] testing iron_vhosts-0.5.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate iron_vhosts 0.5.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate iron_vhosts 0.5.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron_vhosts 0.5.0
[INFO] finished tweaking crates.io crate iron_vhosts 0.5.0
[INFO] tweaked toml for crates.io crate iron_vhosts 0.5.0 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] [stderr]   Downloaded router v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e1a070449d0989e9c71cbbbab1ae4f2137bd1ee7f156ad8a7090354d4210c3d
[INFO] running `Command { std: "docker" "start" "-a" "2e1a070449d0989e9c71cbbbab1ae4f2137bd1ee7f156ad8a7090354d4210c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e1a070449d0989e9c71cbbbab1ae4f2137bd1ee7f156ad8a7090354d4210c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1a070449d0989e9c71cbbbab1ae4f2137bd1ee7f156ad8a7090354d4210c3d", kill_on_drop: false }`
[INFO] [stdout] 2e1a070449d0989e9c71cbbbab1ae4f2137bd1ee7f156ad8a7090354d4210c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a6c59ed7deaa71ddc3414c44aea2c5f15f77cdfca33147fde1ca3a0eabfc08
[INFO] running `Command { std: "docker" "start" "-a" "74a6c59ed7deaa71ddc3414c44aea2c5f15f77cdfca33147fde1ca3a0eabfc08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling iron_vhosts v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     default: Box<Handler>,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vhosts: HashMap<String, Box<Handler>>,
[INFO] [stdout]   |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |             default: Box::new(h) as Box<Handler>,
[INFO] [stdout]    |                                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:51:90
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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 8.49s
[INFO] running `Command { std: "docker" "inspect" "74a6c59ed7deaa71ddc3414c44aea2c5f15f77cdfca33147fde1ca3a0eabfc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a6c59ed7deaa71ddc3414c44aea2c5f15f77cdfca33147fde1ca3a0eabfc08", kill_on_drop: false }`
[INFO] [stdout] 74a6c59ed7deaa71ddc3414c44aea2c5f15f77cdfca33147fde1ca3a0eabfc08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ace5b59187c12cbbf74bcfb4162c6f7377d35d7566a65e7143f5b594bb7ea06b
[INFO] running `Command { std: "docker" "start" "-a" "ace5b59187c12cbbf74bcfb4162c6f7377d35d7566a65e7143f5b594bb7ea06b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling route-recognizer v0.1.13
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     default: Box<Handler>,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vhosts: HashMap<String, Box<Handler>>,
[INFO] [stdout]   |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |             default: Box::new(h) as Box<Handler>,
[INFO] [stdout]    |                                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:51:90
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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 router v0.5.1
[INFO] [stderr]    Compiling iron_vhosts v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     default: Box<Handler>,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vhosts: HashMap<String, Box<Handler>>,
[INFO] [stdout]   |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |             default: Box::new(h) as Box<Handler>,
[INFO] [stdout]    |                                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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:51:90
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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 4.01s
[INFO] running `Command { std: "docker" "inspect" "ace5b59187c12cbbf74bcfb4162c6f7377d35d7566a65e7143f5b594bb7ea06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace5b59187c12cbbf74bcfb4162c6f7377d35d7566a65e7143f5b594bb7ea06b", kill_on_drop: false }`
[INFO] [stdout] ace5b59187c12cbbf74bcfb4162c6f7377d35d7566a65e7143f5b594bb7ea06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a23d828f4287c806a40cc1350df0cf9de0b08f5144faafdf1d0cf40d2578d96
[INFO] running `Command { std: "docker" "start" "-a" "5a23d828f4287c806a40cc1350df0cf9de0b08f5144faafdf1d0cf40d2578d96", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |     default: Box<Handler>,
[INFO] [stderr]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:8:33
[INFO] [stderr]   |
[INFO] [stderr] 8 |     vhosts: HashMap<String, Box<Handler>>,
[INFO] [stderr]   |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |             default: Box::new(h) as Box<Handler>,
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:51:90
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |     default: Box<Handler>,
[INFO] [stderr]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:8:33
[INFO] [stderr]   |
[INFO] [stderr] 8 |     vhosts: HashMap<String, Box<Handler>>,
[INFO] [stderr]   |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |             default: Box::new(h) as Box<Handler>,
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:51:90
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iron_vhosts-e74dc96cb4835f85)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test 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] [stderr]    Doc-tests iron_vhosts
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Vhosts::add_host (line 24) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a23d828f4287c806a40cc1350df0cf9de0b08f5144faafdf1d0cf40d2578d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a23d828f4287c806a40cc1350df0cf9de0b08f5144faafdf1d0cf40d2578d96", kill_on_drop: false }`
[INFO] [stdout] 5a23d828f4287c806a40cc1350df0cf9de0b08f5144faafdf1d0cf40d2578d96
