[INFO] crate rifling 0.2.0 is already in cache
[INFO] extracting crate rifling 0.2.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rifling/0.2.0
[INFO] extracting crate rifling 0.2.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rifling/0.2.0
[INFO] validating manifest of rifling-0.2.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rifling-0.2.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rifling-0.2.0
[INFO] finished frobbing rifling-0.2.0
[INFO] frobbed toml for rifling-0.2.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rifling/0.2.0/Cargo.toml
[INFO] started frobbing rifling-0.2.0
[INFO] finished frobbing rifling-0.2.0
[INFO] frobbed toml for rifling-0.2.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/rifling/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking rifling-0.2.0 against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/rifling/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b41c41b173ba27d3e4b0e61ad7be58833c262af262e3a27e1fa74588cd95b72
[INFO] running `"docker" "start" "-a" "8b41c41b173ba27d3e4b0e61ad7be58833c262af262e3a27e1fa74588cd95b72"`
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking rifling v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constructor.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type Future = Box<Future<Item = Self::Service, Error = Self::InitError> + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Service, Error = Self::InitError> + Send`
[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/handler.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |     type Future = Box<Future<Item = Response<Body>, Error = Error> + Send + 'static>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn clone_box(&self) -> Box<HookFunc>;
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub func: Box<HookFunc>, // To allow the registration of multiple hooks, it has to be a trait object.
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:65:32
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn clone_box(&self) -> Box<HookFunc> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:71:20
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl Clone for Box<HookFunc> {
[INFO] [stderr]    |                    ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn clone(&self) -> Box<HookFunc> {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constructor.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type Future = Box<Future<Item = Self::Service, Error = Self::InitError> + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Service, Error = Self::InitError> + Send`
[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/handler.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |     type Future = Box<Future<Item = Response<Body>, Error = Error> + Send + 'static>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn clone_box(&self) -> Box<HookFunc>;
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub func: Box<HookFunc>, // To allow the registration of multiple hooks, it has to be a trait object.
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:65:32
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn clone_box(&self) -> Box<HookFunc> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:71:20
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl Clone for Box<HookFunc> {
[INFO] [stderr]    |                    ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hook.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn clone(&self) -> Box<HookFunc> {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn HookFunc`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `"docker" "inspect" "8b41c41b173ba27d3e4b0e61ad7be58833c262af262e3a27e1fa74588cd95b72"`
[INFO] running `"docker" "rm" "-f" "8b41c41b173ba27d3e4b0e61ad7be58833c262af262e3a27e1fa74588cd95b72"`
[INFO] [stdout] 8b41c41b173ba27d3e4b0e61ad7be58833c262af262e3a27e1fa74588cd95b72