[INFO] crate zhelezo 0.7.0-beta.2 is already in cache
[INFO] testing zhelezo-0.7.0-beta.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate zhelezo 0.7.0-beta.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zhelezo 0.7.0-beta.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zhelezo 0.7.0-beta.2
[INFO] finished tweaking crates.io crate zhelezo 0.7.0-beta.2
[INFO] tweaked toml for crates.io crate zhelezo 0.7.0-beta.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7a428cba727ac17ffb57c0fa85635a5f12386bd72715ff4fc3679324c1ed155
[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" "a7a428cba727ac17ffb57c0fa85635a5f12386bd72715ff4fc3679324c1ed155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a428cba727ac17ffb57c0fa85635a5f12386bd72715ff4fc3679324c1ed155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a428cba727ac17ffb57c0fa85635a5f12386bd72715ff4fc3679324c1ed155", kill_on_drop: false }`
[INFO] [stdout] a7a428cba727ac17ffb57c0fa85635a5f12386bd72715ff4fc3679324c1ed155
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7b9f6b5577d115713e45aaf5541655c9ee95a612c605f575d4eb372818d689
[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" "aa7b9f6b5577d115713e45aaf5541655c9ee95a612c605f575d4eb372818d689", kill_on_drop: false }`
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling zhelezo v0.7.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut body_contents));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[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/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:200:34
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:200:51
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:209:22
[INFO] [stdout]     |
[INFO] [stdout] 209 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |     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/middleware/mod.rs:222:52
[INFO] [stdout]     |
[INFO] [stdout] 222 |             handler: Some(Box::new(handler) as 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/middleware/mod.rs:233:51
[INFO] [stdout]     |
[INFO] [stdout] 233 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:234:49
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:242:51
[INFO] [stdout]     |
[INFO] [stdout] 242 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 393 | impl Handler for 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/middleware/mod.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:433:30
[INFO] [stdout]     |
[INFO] [stdout] 433 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:454:38
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/middleware/mod.rs:455:51
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/response.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteBody for Box<io::Read + Send> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:64:40
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:135:64
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn write_with_body(res: &mut HttpResponse<Body>, mut body: Box<WriteBody>)
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/modifiers.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Modifier<Response> for Box<WriteBody> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/iron.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]   --> src/modifiers.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use mime_guess::guess_mime_type_opt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]    --> src/modifiers.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     guess_mime_type_opt(path).unwrap_or(mime::TEXT_PLAIN)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "aa7b9f6b5577d115713e45aaf5541655c9ee95a612c605f575d4eb372818d689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7b9f6b5577d115713e45aaf5541655c9ee95a612c605f575d4eb372818d689", kill_on_drop: false }`
[INFO] [stdout] aa7b9f6b5577d115713e45aaf5541655c9ee95a612c605f575d4eb372818d689
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 0db664fa3fcb7550cdb4b38b58c840c96108fb89227f25c1331e4013ec7b1869
[INFO] running `Command { std: "docker" "start" "-a" "0db664fa3fcb7550cdb4b38b58c840c96108fb89227f25c1331e4013ec7b1869", kill_on_drop: false }`
[INFO] [stderr]    Compiling zhelezo v0.7.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut body_contents));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[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/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:200:34
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:200:51
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:209:22
[INFO] [stdout]     |
[INFO] [stdout] 209 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |     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/middleware/mod.rs:222:52
[INFO] [stdout]     |
[INFO] [stdout] 222 |             handler: Some(Box::new(handler) as 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/middleware/mod.rs:233:51
[INFO] [stdout]     |
[INFO] [stdout] 233 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:234:49
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:242:51
[INFO] [stdout]     |
[INFO] [stdout] 242 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 393 | impl Handler for 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/middleware/mod.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:433:30
[INFO] [stdout]     |
[INFO] [stdout] 433 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:454:38
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/middleware/mod.rs:455:51
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/response.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteBody for Box<io::Read + Send> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:64:40
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:135:64
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn write_with_body(res: &mut HttpResponse<Body>, mut body: Box<WriteBody>)
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/modifiers.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Modifier<Response> for Box<WriteBody> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/iron.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]   --> src/modifiers.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use mime_guess::guess_mime_type_opt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]    --> src/modifiers.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     guess_mime_type_opt(path).unwrap_or(mime::TEXT_PLAIN)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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]   --> examples/around.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |     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]   --> examples/around.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         }) as 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]   --> examples/simple_routing.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 |     routes: HashMap<String, Box<Handler>>
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]   --> examples/content_type.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate mime;
[INFO] [stdout]    | ------------------ the item `mime` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 17 |     use iron::mime;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]   --> examples/content_type.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate mime;
[INFO] [stdout]    | ------------------ the item `mime` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 23 |     use iron::mime;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut body_contents));
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:24
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:200:34
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:200:51
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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/middleware/mod.rs:209:22
[INFO] [stdout]     |
[INFO] [stdout] 209 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |     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/middleware/mod.rs:222:52
[INFO] [stdout]     |
[INFO] [stdout] 222 |             handler: Some(Box::new(handler) as 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/middleware/mod.rs:233:51
[INFO] [stdout]     |
[INFO] [stdout] 233 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:234:49
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:242:51
[INFO] [stdout]     |
[INFO] [stdout] 242 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 393 | impl Handler for 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/middleware/mod.rs:406:31
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:433:30
[INFO] [stdout]     |
[INFO] [stdout] 433 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:454:38
[INFO] [stdout]     |
[INFO] [stdout] 454 | where F: FnOnce(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/middleware/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/middleware/mod.rs:455:51
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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/middleware/test.rs:196:37
[INFO] [stdout]     |
[INFO] [stdout] 196 |         .map(|m| Box::new(m) as Box<BeforeMiddleware>)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/test.rs:203:37
[INFO] [stdout]     |
[INFO] [stdout] 203 |         .map(|m| Box::new(m) as Box<AfterMiddleware>)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/test.rs:208:48
[INFO] [stdout]     |
[INFO] [stdout] 208 |         handler: Some(Box::new(handler) as 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/response.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteBody for Box<io::Read + Send> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:64:40
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn write_body(&mut self, res: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/response.rs:135:64
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn write_with_body(res: &mut HttpResponse<Body>, mut body: Box<WriteBody>)
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/modifiers.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Modifier<Response> for Box<WriteBody> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/iron.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]   --> src/modifiers.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use mime_guess::guess_mime_type_opt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mime_guess::guess_mime_type_opt': Use `from_path(path).first()` instead
[INFO] [stdout]    --> src/modifiers.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     guess_mime_type_opt(path).unwrap_or(mime::TEXT_PLAIN)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zhelezo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name around examples/around.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cb892ba11e8b05da -C extra-filename=-cb892ba11e8b05da --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-8d5b1305e81659b8.rlib --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-5eb29ce85cd55f4f.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-204509dd756f0222.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-61b6b7789e2ddc7f.rlib --extern mime=/opt/rustwide/target/debug/deps/libmime-138f25a24701871c.rlib --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-5e6501facbeb62da.rlib --extern modifier=/opt/rustwide/target/debug/deps/libmodifier-837c443f71d69959.rlib --extern plugin=/opt/rustwide/target/debug/deps/libplugin-4768894150091156.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-c00033fc565fa916.rlib --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-83b4c1ac51b1e716.rlib --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-39a36f3141fac639.rlib --extern tokio_proto=/opt/rustwide/target/debug/deps/libtokio_proto-324f822dd3d97e8e.rlib --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-b07c363a49879a85.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-fe1a89f05a35db1f.rlib --extern zhelezo=/opt/rustwide/target/debug/deps/libzhelezo-edffd1f55b1be3f7.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 `Command { std: "docker" "inspect" "0db664fa3fcb7550cdb4b38b58c840c96108fb89227f25c1331e4013ec7b1869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db664fa3fcb7550cdb4b38b58c840c96108fb89227f25c1331e4013ec7b1869", kill_on_drop: false }`
[INFO] [stdout] 0db664fa3fcb7550cdb4b38b58c840c96108fb89227f25c1331e4013ec7b1869