[INFO] fetching crate nickel 0.11.0...
[INFO] testing nickel-0.11.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate nickel 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nickel 0.11.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nickel 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nickel 0.11.0
[INFO] tweaked toml for crates.io crate nickel 0.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 429ec511d1dfafea17b14f99f0c20714beeebd9db159c366c6791dd21a2fef2e
[INFO] running `"docker" "start" "-a" "429ec511d1dfafea17b14f99f0c20714beeebd9db159c366c6791dd21a2fef2e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling nickel v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut server = try!(HyperServer::http(addr));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut server = try!(HyperServer::https(addr, ssl));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(server.serve("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             try!(server.serve(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:314:13
[INFO] [stderr]     |
[INFO] [stderr] 314 |             try!(server.serve_https("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |             try!(server.serve_https(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/response.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut stream = try!(self.start());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/responder.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut stream = try!(res.start());
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/responder.rs:114:34
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let mut stream = try!(res.start());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(req.origin.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let body = try!(req.get_ref::<BodyReader>());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/router.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub handler: Box<Middleware<D> + Send + Sync + 'static>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync + 'static`
[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/nickel.rs:228:87
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn listen<T: ToSocketAddrs>(mut self, addr: T) -> Result<ListeningServer, Box<StdError>> {
[INFO] [stderr]     |                                                                                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nickel.rs:300:88
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn listen_https<T,S>(mut self, addr: T, ssl: S) -> Result<ListeningServer, Box<StdError>>
[INFO] [stderr]     |                                                                                        ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     on_send: Vec<Box<FnMut(&mut Response<'a, D, Fresh>)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Response<'a, D, Fresh>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     handlers: Vec<Box<Middleware<D> + Send + Sync>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |     error_handlers: Vec<Box<ErrorHandler<D> + Send + Sync>>
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorHandler<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/body_parser.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/nickel_error.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         where T: Into<Box<Error + 'static>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |             BodyError::Io(ref err) => err.description(),
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |         write!(out, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nickel_error.rs:76:35
[INFO] [stderr]    |
[INFO] [stderr] 76 |         NickelError::new(res, err.description().to_string(), errorcode)
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `"docker" "inspect" "429ec511d1dfafea17b14f99f0c20714beeebd9db159c366c6791dd21a2fef2e"`
[INFO] running `"docker" "rm" "-f" "429ec511d1dfafea17b14f99f0c20714beeebd9db159c366c6791dd21a2fef2e"`
[INFO] [stdout] 429ec511d1dfafea17b14f99f0c20714beeebd9db159c366c6791dd21a2fef2e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d90e9a34a17c7b2da6b55bab1ab4a2eba1c6cb7e906bba71464ee3fc5edb512
[INFO] running `"docker" "start" "-a" "5d90e9a34a17c7b2da6b55bab1ab4a2eba1c6cb7e906bba71464ee3fc5edb512"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nickel v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut server = try!(HyperServer::http(addr));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut server = try!(HyperServer::https(addr, ssl));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(server.serve("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             try!(server.serve(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:314:13
[INFO] [stderr]     |
[INFO] [stderr] 314 |             try!(server.serve_https("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |             try!(server.serve_https(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/response.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut stream = try!(self.start());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/responder.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut stream = try!(res.start());
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/responder.rs:114:34
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let mut stream = try!(res.start());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(req.origin.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let body = try!(req.get_ref::<BodyReader>());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/router.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub handler: Box<Middleware<D> + Send + Sync + 'static>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync + 'static`
[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/nickel.rs:228:87
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn listen<T: ToSocketAddrs>(mut self, addr: T) -> Result<ListeningServer, Box<StdError>> {
[INFO] [stderr]     |                                                                                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nickel.rs:300:88
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn listen_https<T,S>(mut self, addr: T, ssl: S) -> Result<ListeningServer, Box<StdError>>
[INFO] [stderr]     |                                                                                        ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     on_send: Vec<Box<FnMut(&mut Response<'a, D, Fresh>)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Response<'a, D, Fresh>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     handlers: Vec<Box<Middleware<D> + Send + Sync>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |     error_handlers: Vec<Box<ErrorHandler<D> + Send + Sync>>
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorHandler<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/body_parser.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/nickel_error.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         where T: Into<Box<Error + 'static>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |             BodyError::Io(ref err) => err.description(),
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |         write!(out, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nickel_error.rs:76:35
[INFO] [stderr]    |
[INFO] [stderr] 76 |         NickelError::new(res, err.description().to_string(), errorcode)
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/example_tests.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/examples/../../examples/integration_testing.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     database: Box<Database>
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn Database`
[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]   --> tests/examples/../../examples/integration_testing.rs:68:79
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn start_server<D>(address: &str, database: D) -> Result<ListeningServer, Box<StdError>>
[INFO] [stderr]    |                                                                               ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut server = try!(HyperServer::http(addr));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/server.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut server = try!(HyperServer::https(addr, ssl));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(server.serve("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             try!(server.serve(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:314:13
[INFO] [stderr]     |
[INFO] [stderr] 314 |             try!(server.serve_https("localhost:0",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nickel.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |             try!(server.serve_https(addr,
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/response.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut stream = try!(self.start());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/responder.rs:72:34
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut stream = try!(res.start());
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/responder.rs:114:34
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let mut stream = try!(res.start());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(req.origin.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/body_parser.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let body = try!(req.get_ref::<BodyReader>());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/router.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub handler: Box<Middleware<D> + Send + Sync + 'static>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync + 'static`
[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/nickel.rs:228:87
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn listen<T: ToSocketAddrs>(mut self, addr: T) -> Result<ListeningServer, Box<StdError>> {
[INFO] [stderr]     |                                                                                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nickel.rs:300:88
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn listen_https<T,S>(mut self, addr: T, ssl: S) -> Result<ListeningServer, Box<StdError>>
[INFO] [stderr]     |                                                                                        ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     on_send: Vec<Box<FnMut(&mut Response<'a, D, Fresh>)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Response<'a, D, Fresh>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     handlers: Vec<Box<Middleware<D> + Send + Sync>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |     error_handlers: Vec<Box<ErrorHandler<D> + Send + Sync>>
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorHandler<D> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/body_parser.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/nickel_error.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         where T: Into<Box<Error + 'static>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |             BodyError::Io(ref err) => err.description(),
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/body_parser.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |         write!(out, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nickel_error.rs:76:35
[INFO] [stderr]    |
[INFO] [stderr] 76 |         NickelError::new(res, err.description().to_string(), errorcode)
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `nickel`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name example_tests tests/example_tests.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=a82f09f32b9a7576 -C extra-filename=-a82f09f32b9a7576 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern groupable=/opt/rustwide/target/debug/deps/libgroupable-256453e787f58603.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-1e803e73ee306e33.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-36bd8bbfaaa85bd1.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-38f6b2d55fcb84f2.rlib --extern modifier=/opt/rustwide/target/debug/deps/libmodifier-5c6671a12e7521a6.rlib --extern mustache=/opt/rustwide/target/debug/deps/libmustache-488fc3b797649947.rlib --extern nickel=/opt/rustwide/target/debug/deps/libnickel-c533054751c5b0fe.rlib --extern plugin=/opt/rustwide/target/debug/deps/libplugin-f8e812a819484446.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-9d7abde785476cae.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-91bcddecf7613a4b.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-07cd6319b613227d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dc210ab01b7572d8.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-23183ca53583039d.rlib --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-1ff28a7d57391354.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-8fcd65f1306150c3.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5d90e9a34a17c7b2da6b55bab1ab4a2eba1c6cb7e906bba71464ee3fc5edb512"`
[INFO] running `"docker" "rm" "-f" "5d90e9a34a17c7b2da6b55bab1ab4a2eba1c6cb7e906bba71464ee3fc5edb512"`
[INFO] [stdout] 5d90e9a34a17c7b2da6b55bab1ab4a2eba1c6cb7e906bba71464ee3fc5edb512