[INFO] crate conduit-middleware 0.8.1 is already in cache
[INFO] extracting crate conduit-middleware 0.8.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/conduit-middleware/0.8.1
[INFO] extracting crate conduit-middleware 0.8.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/conduit-middleware/0.8.1
[INFO] validating manifest of conduit-middleware-0.8.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of conduit-middleware-0.8.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing conduit-middleware-0.8.1
[INFO] finished frobbing conduit-middleware-0.8.1
[INFO] frobbed toml for conduit-middleware-0.8.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/conduit-middleware/0.8.1/Cargo.toml
[INFO] started frobbing conduit-middleware-0.8.1
[INFO] finished frobbing conduit-middleware-0.8.1
[INFO] frobbed toml for conduit-middleware-0.8.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/conduit-middleware/0.8.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing conduit-middleware-0.8.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/conduit-middleware/0.8.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 60e1a62f1a8dd6ea850048ee1c29b501ec9a157f60c12e33f69a5a7bc9883e8c
[INFO] running `"docker" "start" "-a" "60e1a62f1a8dd6ea850048ee1c29b501ec9a157f60c12e33f69a5a7bc9883e8c"`
[INFO] [stderr]    Compiling conduit-middleware v0.8.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]   |                              ^^^^^^^ help: use `dyn`: `dyn Request`
[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:8:57
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]   |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:64
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                                                                ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |              -> Result<Response, Box<Error+Send>>
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn with_handler(&mut self, 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:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     middlewares: Vec<Box<Middleware>>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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:32:52
[INFO] [stderr]    |
[INFO] [stderr] 32 |             handler: Some(Box::new(handler) as 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:37:59
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.middlewares.push(Box::new(middleware) as Box<Middleware>);
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:57
[INFO] [stderr]    |
[INFO] [stderr] 43 |         self.handler = Some(Box::new(middleware) as 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:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:63
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn run_afters(middleware: &[Box<Middleware>],
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |                   req: &mut Request,
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:78:45
[INFO] [stderr]    |
[INFO] [stderr] 78 |                   res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |                   -> Result<Response, Box<Error+Send>>
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "60e1a62f1a8dd6ea850048ee1c29b501ec9a157f60c12e33f69a5a7bc9883e8c"`
[INFO] running `"docker" "rm" "-f" "60e1a62f1a8dd6ea850048ee1c29b501ec9a157f60c12e33f69a5a7bc9883e8c"`
[INFO] [stdout] 60e1a62f1a8dd6ea850048ee1c29b501ec9a157f60c12e33f69a5a7bc9883e8c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/conduit-middleware/0.8.1:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 90348d0952286e364cc4ec8616df60e1291fc125fb5d765f398071c78425bd68
[INFO] running `"docker" "start" "-a" "90348d0952286e364cc4ec8616df60e1291fc125fb5d765f398071c78425bd68"`
[INFO] [stderr]    Compiling conduit-middleware v0.8.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]   |                              ^^^^^^^ help: use `dyn`: `dyn Request`
[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:8:57
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]   |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:64
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                                                                ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |              -> Result<Response, Box<Error+Send>>
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn with_handler(&mut self, 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:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     middlewares: Vec<Box<Middleware>>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     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:32:52
[INFO] [stderr]    |
[INFO] [stderr] 32 |             handler: Some(Box::new(handler) as 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:37:59
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.middlewares.push(Box::new(middleware) as Box<Middleware>);
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:57
[INFO] [stderr]    |
[INFO] [stderr] 43 |         self.handler = Some(Box::new(middleware) as 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:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:63
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:33
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn run_afters(middleware: &[Box<Middleware>],
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Middleware`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |                   req: &mut Request,
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:78:45
[INFO] [stderr]    |
[INFO] [stderr] 78 |                   res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |                   -> Result<Response, Box<Error+Send>>
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:41
[INFO] [stderr]     |
[INFO] [stderr] 128 |         fn headers<'a>(&'a self) -> &'a Headers { unimplemented!() }
[INFO] [stderr]     |                                         ^^^^^^^ help: use `dyn`: `dyn Headers`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:129:46
[INFO] [stderr]     |
[INFO] [stderr] 129 |         fn body<'a>(&'a mut self) -> &'a mut Read { unimplemented!() }
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:43
[INFO] [stderr]     |
[INFO] [stderr] 141 |         fn before<'a>(&self, req: &'a mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:70
[INFO] [stderr]     |
[INFO] [stderr] 141 |         fn before<'a>(&self, req: &'a mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]     |                                 ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:150:68
[INFO] [stderr]     |
[INFO] [stderr] 150 |         fn after(&self, _: &mut Request, res: Result<Response, Box<Error+Send>>)
[INFO] [stderr]     |                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:151:46
[INFO] [stderr]     |
[INFO] [stderr] 151 |                      -> Result<Response, Box<Error+Send>>
[INFO] [stderr]     |                                              ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:34
[INFO] [stderr]     |
[INFO] [stderr] 167 |         fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]     |                                  ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:61
[INFO] [stderr]     |
[INFO] [stderr] 167 |         fn before(&self, _: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |         fn after(&self, _: &mut Request, _: Result<Response, Box<Error+Send>>)
[INFO] [stderr]     |                                 ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:66
[INFO] [stderr]     |
[INFO] [stderr] 175 |         fn after(&self, _: &mut Request, _: Result<Response, Box<Error+Send>>)
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:46
[INFO] [stderr]     |
[INFO] [stderr] 176 |                      -> Result<Response, Box<Error+Send>>
[INFO] [stderr]     |                                              ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:187:29
[INFO] [stderr]     |
[INFO] [stderr] 187 |         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:199:49
[INFO] [stderr]     |
[INFO] [stderr] 199 |         fn with_handler(&mut self, 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:205:34
[INFO] [stderr]     |
[INFO] [stderr] 205 |         fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]     |                                  ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:205:67
[INFO] [stderr]     |
[INFO] [stderr] 205 |         fn call(&self, req: &mut Request) -> Result<Response, Box<Error+Send>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:211:43
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn get_extension<'a, T: Any>(req: &'a Request) -> &'a T {
[INFO] [stderr]     |                                           ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:26
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn handler(req: &mut Request) -> io::Result<Response> {
[INFO] [stderr]     |                          ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:228:30
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn error_handler(_: &mut Request) -> io::Result<Response> {
[INFO] [stderr]     |                              ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn middle_handler(req: &mut Request) -> io::Result<Response> {
[INFO] [stderr]     |                                 ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "90348d0952286e364cc4ec8616df60e1291fc125fb5d765f398071c78425bd68"`
[INFO] running `"docker" "rm" "-f" "90348d0952286e364cc4ec8616df60e1291fc125fb5d765f398071c78425bd68"`
[INFO] [stdout] 90348d0952286e364cc4ec8616df60e1291fc125fb5d765f398071c78425bd68
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/conduit-middleware/0.8.1:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f3d47da03a501b64b26eeca1b0bdcf71f0ec1d7bc8ce762752ee44450b8fcb19
[INFO] running `"docker" "start" "-a" "f3d47da03a501b64b26eeca1b0bdcf71f0ec1d7bc8ce762752ee44450b8fcb19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/conduit_middleware-533f9f69175cebfa
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_around_middleware ... ok
[INFO] [stdout] test tests::test_error_recovery ... ok
[INFO] [stdout] test tests::test_error_recovery_in_handlers ... ok
[INFO] [stdout] test tests::test_simple_middleware ... ok
[INFO] [stderr]    Doc-tests conduit-middleware
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `"docker" "inspect" "f3d47da03a501b64b26eeca1b0bdcf71f0ec1d7bc8ce762752ee44450b8fcb19"`
[INFO] running `"docker" "rm" "-f" "f3d47da03a501b64b26eeca1b0bdcf71f0ec1d7bc8ce762752ee44450b8fcb19"`
[INFO] [stdout] f3d47da03a501b64b26eeca1b0bdcf71f0ec1d7bc8ce762752ee44450b8fcb19