[INFO] fetching crate chainmail 0.2.0...
[INFO] testing chainmail-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate chainmail 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chainmail 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainmail 0.2.0
[INFO] finished tweaking crates.io crate chainmail 0.2.0
[INFO] tweaked toml for crates.io crate chainmail 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded iron v0.4.0
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] fcca4a13465ab02b92078bb036641c3d8bc8fe90971e3b242e07a8fb656056ab
[INFO] running `Command { std: "docker" "start" "-a" "fcca4a13465ab02b92078bb036641c3d8bc8fe90971e3b242e07a8fb656056ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcca4a13465ab02b92078bb036641c3d8bc8fe90971e3b242e07a8fb656056ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcca4a13465ab02b92078bb036641c3d8bc8fe90971e3b242e07a8fb656056ab", kill_on_drop: false }`
[INFO] [stdout] fcca4a13465ab02b92078bb036641c3d8bc8fe90971e3b242e07a8fb656056ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 993cd36db0ce49cfbe1ac5cca846a5a2cfdffb68ba6c39e9d23c67d3343ea44e
[INFO] running `Command { std: "docker" "start" "-a" "993cd36db0ce49cfbe1ac5cca846a5a2cfdffb68ba6c39e9d23c67d3343ea44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling chainmail v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/strategy.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 |     strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub failure_handler: Option<Box<Handler>>,
[INFO] [stdout]    |                                     ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new(strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>)
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         }) as Box<Handler>
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "993cd36db0ce49cfbe1ac5cca846a5a2cfdffb68ba6c39e9d23c67d3343ea44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993cd36db0ce49cfbe1ac5cca846a5a2cfdffb68ba6c39e9d23c67d3343ea44e", kill_on_drop: false }`
[INFO] [stdout] 993cd36db0ce49cfbe1ac5cca846a5a2cfdffb68ba6c39e9d23c67d3343ea44e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b5c250de273934e16d247f9ed755960b8daaac314b80b6a4afe80114443b40
[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" "26b5c250de273934e16d247f9ed755960b8daaac314b80b6a4afe80114443b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainmail v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/strategy.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 |     strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub failure_handler: Option<Box<Handler>>,
[INFO] [stdout]    |                                     ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new(strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>)
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         }) as Box<Handler>
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/strategy.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 |     strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub failure_handler: Option<Box<Handler>>,
[INFO] [stdout]    |                                     ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:52
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new(strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>)
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:51
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         }) as Box<Handler>
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "26b5c250de273934e16d247f9ed755960b8daaac314b80b6a4afe80114443b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b5c250de273934e16d247f9ed755960b8daaac314b80b6a4afe80114443b40", kill_on_drop: false }`
[INFO] [stdout] 26b5c250de273934e16d247f9ed755960b8daaac314b80b6a4afe80114443b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 6236f113151a51263196d3df5e50f72d377b73093638d7b8305d2e593724c115
[INFO] running `Command { std: "docker" "start" "-a" "6236f113151a51263196d3df5e50f72d377b73093638d7b8305d2e593724c115", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |     strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub failure_handler: Option<Box<Handler>>,
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:52
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn new(strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>)
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:19
[INFO] [stderr]     |
[INFO] [stderr] 103 |         }) as Box<Handler>
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |     strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub failure_handler: Option<Box<Handler>>,
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:52
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn new(strategies: HashMap<String, Arc<Box<Strategy<T> + Send + Sync>>>)
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Strategy<T> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stderr]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:19
[INFO] [stderr]     |
[INFO] [stderr] 103 |         }) as Box<Handler>
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chainmail-bbeed25f9276df31
[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] [stderr]    Doc-tests chainmail
[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" "6236f113151a51263196d3df5e50f72d377b73093638d7b8305d2e593724c115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6236f113151a51263196d3df5e50f72d377b73093638d7b8305d2e593724c115", kill_on_drop: false }`
[INFO] [stdout] 6236f113151a51263196d3df5e50f72d377b73093638d7b8305d2e593724c115