[INFO] fetching crate sassers 0.13.5-h28...
[INFO] testing sassers-0.13.5-h28 against 1.47.0 for beta-1.48-1
[INFO] extracting crate sassers 0.13.5-h28 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sassers 0.13.5-h28 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sassers 0.13.5-h28
[INFO] finished tweaking crates.io crate sassers 0.13.5-h28
[INFO] tweaked toml for crates.io crate sassers 0.13.5-h28 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fbfaa371db6a389b2c32af7373d67739227afa91dca4d8a455e066bf5197a8a
[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" "8fbfaa371db6a389b2c32af7373d67739227afa91dca4d8a455e066bf5197a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fbfaa371db6a389b2c32af7373d67739227afa91dca4d8a455e066bf5197a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbfaa371db6a389b2c32af7373d67739227afa91dca4d8a455e066bf5197a8a", kill_on_drop: false }`
[INFO] [stdout] 8fbfaa371db6a389b2c32af7373d67739227afa91dca4d8a455e066bf5197a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd1a86c64d3b808311f6d499084c6f006d62e9c9ed644401ad5b37c98e4f83b
[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" "3fd1a86c64d3b808311f6d499084c6f006d62e9c9ed644401ad5b37c98e4f83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling sassers v0.13.5-h28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Node::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 try!(write!(output, "{}", style.property(n, v)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 try!(write!(output, "{}", style.before_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Root::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 try!(write!(output, "{}", style.after_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/comment.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(write!(output, "{}", style.comment(&comment)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.recursive_stream(output, style, "", ""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(write!(output, "{}", style.rule_separator())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(write!(output, "{}{}{{{}{}",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(first_prop.stream(output, style));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 try!(write!(output, "{}{}",
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 try!(prop.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             try!(write!(output, "{}}}", style.property_brace_separator()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(write!(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 try!(write!(output, "{}", style.child_rule_separator(has_properties)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:193:33
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     let value = try!(Expression::parse(&mut self.tokenizer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut file = try!(File::open(&inputpath));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     try!(file.read_to_string(&mut sass));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let imported = try!(resolve_imports(&inputpath.with_file_name(caps.at(1).unwrap())));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let imports_resolved = try!(resolve_imports(&input_path));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(writeln!(output, "{:?}", token));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(writeln!(output, "{:#?}", root));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         try!(r.stream(output, &*style));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/node.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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/ast/node.rs:20:50
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/root.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/ast/root.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/comment.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/comment.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sass/output_style.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/output_style.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/rule.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> 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/sass/rule.rs:34:64
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn optimize(root: Root) -> Vec<Box<Streamable>> {
[INFO] [stdout]   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut result: Vec<Box<Streamable>> = Vec::new();
[INFO] [stdout]   |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn compile(input_filename: &str, output: &mut Write, style: &str) -> 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/lib.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let style: Box<SassOutputStyle> = get_style(other);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn get_style(style: &str) -> Box<SassOutputStyle> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             message: String::from(err.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "3fd1a86c64d3b808311f6d499084c6f006d62e9c9ed644401ad5b37c98e4f83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd1a86c64d3b808311f6d499084c6f006d62e9c9ed644401ad5b37c98e4f83b", kill_on_drop: false }`
[INFO] [stdout] 3fd1a86c64d3b808311f6d499084c6f006d62e9c9ed644401ad5b37c98e4f83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f60b26d061347538d1830d11c6a4fb192c85f407891ac69165e8875fedf4d803
[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" "f60b26d061347538d1830d11c6a4fb192c85f407891ac69165e8875fedf4d803", kill_on_drop: false }`
[INFO] [stderr]    Compiling sassers v0.13.5-h28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Node::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 try!(write!(output, "{}", style.property(n, v)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 try!(write!(output, "{}", style.before_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Root::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 try!(write!(output, "{}", style.after_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/comment.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(write!(output, "{}", style.comment(&comment)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.recursive_stream(output, style, "", ""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(write!(output, "{}", style.rule_separator())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(write!(output, "{}{}{{{}{}",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(first_prop.stream(output, style));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 try!(write!(output, "{}{}",
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 try!(prop.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             try!(write!(output, "{}}}", style.property_brace_separator()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(write!(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 try!(write!(output, "{}", style.child_rule_separator(has_properties)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:193:33
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     let value = try!(Expression::parse(&mut self.tokenizer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut file = try!(File::open(&inputpath));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     try!(file.read_to_string(&mut sass));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let imported = try!(resolve_imports(&inputpath.with_file_name(caps.at(1).unwrap())));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let imports_resolved = try!(resolve_imports(&input_path));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(writeln!(output, "{:?}", token));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(writeln!(output, "{:#?}", root));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         try!(r.stream(output, &*style));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/node.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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/ast/node.rs:20:50
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/root.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/ast/root.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/comment.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/comment.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sass/output_style.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/output_style.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/rule.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> 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/sass/rule.rs:34:64
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn optimize(root: Root) -> Vec<Box<Streamable>> {
[INFO] [stdout]   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut result: Vec<Box<Streamable>> = Vec::new();
[INFO] [stdout]   |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn compile(input_filename: &str, output: &mut Write, style: &str) -> 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/lib.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let style: Box<SassOutputStyle> = get_style(other);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn get_style(style: &str) -> Box<SassOutputStyle> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             message: String::from(err.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Node::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 try!(write!(output, "{}", style.property(n, v)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 try!(write!(output, "{}", style.before_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/node.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Root::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 try!(sc.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/root.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 try!(write!(output, "{}", style.after_comment()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/comment.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(write!(output, "{}", style.comment(&comment)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.recursive_stream(output, style, "", ""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(write!(output, "{}", style.rule_separator())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(write!(output, "{}{}{{{}{}",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(first_prop.stream(output, style));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 try!(write!(output, "{}{}",
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 try!(prop.stream(output, style));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             try!(write!(output, "{}}}", style.property_brace_separator()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(write!(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 try!(write!(output, "{}", style.child_rule_separator(has_properties)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sass/rule.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:193:33
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     let value = try!(Expression::parse(&mut self.tokenizer));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut file = try!(File::open(&inputpath));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     try!(file.read_to_string(&mut sass));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let imported = try!(resolve_imports(&inputpath.with_file_name(caps.at(1).unwrap())));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let imports_resolved = try!(resolve_imports(&input_path));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(writeln!(output, "{:?}", token));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 try!(writeln!(output, "{:#?}", root));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         try!(r.stream(output, &*style));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/node.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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/ast/node.rs:20:50
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/root.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/ast/root.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/comment.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/comment.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sass/output_style.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/output_style.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[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/sass/rule.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sass/rule.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> 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/sass/rule.rs:34:64
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn optimize(root: Root) -> Vec<Box<Streamable>> {
[INFO] [stdout]   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/optimizer.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut result: Vec<Box<Streamable>> = Vec::new();
[INFO] [stdout]   |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn compile(input_filename: &str, output: &mut Write, style: &str) -> 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/lib.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let style: Box<SassOutputStyle> = get_style(other);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn get_style(style: &str) -> Box<SassOutputStyle> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             message: String::from(err.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.92s
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f60b26d061347538d1830d11c6a4fb192c85f407891ac69165e8875fedf4d803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60b26d061347538d1830d11c6a4fb192c85f407891ac69165e8875fedf4d803", kill_on_drop: false }`
[INFO] [stdout] f60b26d061347538d1830d11c6a4fb192c85f407891ac69165e8875fedf4d803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76f0dbb34ac802f6e0e26042cfb7449a9f014a12ff1b96f8a5c16ee904c7050d
[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" "76f0dbb34ac802f6e0e26042cfb7449a9f014a12ff1b96f8a5c16ee904c7050d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Node::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 try!(write!(output, "{}", style.property(n, v)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(write!(output, "{}", style.before_comment()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(sc.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Root::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 try!(sc.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 try!(write!(output, "{}", style.after_comment()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/comment.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(write!(output, "{}", style.comment(&comment)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(self.recursive_stream(output, style, "", ""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         Ok(try!(write!(output, "{}", style.rule_separator())))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(write!(output, "{}{}{{{}{}",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(first_prop.stream(output, style));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 try!(write!(output, "{}{}",
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 try!(prop.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(write!(output, "{}}}", style.property_brace_separator()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(write!(
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(write!(output, "{}", style.child_rule_separator(has_properties)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |                     let value = try!(Expression::parse(&mut self.tokenizer));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut file = try!(File::open(&inputpath));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(file.read_to_string(&mut sass));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let imported = try!(resolve_imports(&inputpath.with_file_name(caps.at(1).unwrap())));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let imports_resolved = try!(resolve_imports(&input_path));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(writeln!(output, "{:?}", token));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(writeln!(output, "{:#?}", root));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         try!(r.stream(output, &*style));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/node.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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/ast/node.rs:20:50
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/root.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/root.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/comment.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/comment.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sass/output_style.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]   |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sass/output_style.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:34:49
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:34:64
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/optimizer.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn optimize(root: Root) -> Vec<Box<Streamable>> {
[INFO] [stderr]   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/optimizer.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |             let mut result: Vec<Box<Streamable>> = Vec::new();
[INFO] [stderr]   |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:51
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn compile(input_filename: &str, output: &mut Write, style: &str) -> Result<()> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let style: Box<SassOutputStyle> = get_style(other);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:34
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn get_style(style: &str) -> Box<SassOutputStyle> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 |             message: String::from(err.description()),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 46 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Node::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 try!(write!(output, "{}", style.property(n, v)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(write!(output, "{}", style.before_comment()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/node.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(sc.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Root::Rule(ref sr) => try!(sr.stream(output, style)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 try!(sc.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ast/root.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 try!(write!(output, "{}", style.after_comment()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/comment.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(write!(output, "{}", style.comment(&comment)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(self.recursive_stream(output, style, "", ""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         Ok(try!(write!(output, "{}", style.rule_separator())))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(write!(output, "{}{}{{{}{}",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(first_prop.stream(output, style));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 try!(write!(output, "{}{}",
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 try!(prop.stream(output, style));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(write!(output, "{}}}", style.property_brace_separator()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(write!(
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(write!(output, "{}", style.child_rule_separator(has_properties)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/sass/rule.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(cr.recursive_stream(output, style, &selector_string, &recursive_nesting));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |                     let value = try!(Expression::parse(&mut self.tokenizer));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut file = try!(File::open(&inputpath));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     try!(file.read_to_string(&mut sass));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let imported = try!(resolve_imports(&inputpath.with_file_name(caps.at(1).unwrap())));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let imports_resolved = try!(resolve_imports(&input_path));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(writeln!(output, "{:?}", token));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(writeln!(output, "{:#?}", root));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         try!(r.stream(output, &*style));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/node.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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/ast/node.rs:20:50
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/root.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/root.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/comment.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/comment.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sass/output_style.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]   |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sass/output_style.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn stream(&self, output: &mut Write, style: &SassOutputStyle)
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:34:49
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sass/rule.rs:34:64
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn recursive_stream(&self, output: &mut Write, style: &SassOutputStyle, parents: &str, nesting: &str) -> Result<()> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/optimizer.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn optimize(root: Root) -> Vec<Box<Streamable>> {
[INFO] [stderr]   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/optimizer.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |             let mut result: Vec<Box<Streamable>> = Vec::new();
[INFO] [stderr]   |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Streamable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:51
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn compile(input_filename: &str, output: &mut Write, style: &str) -> Result<()> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let style: Box<SassOutputStyle> = get_style(other);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:34
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn get_style(style: &str) -> Box<SassOutputStyle> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SassOutputStyle`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 |             message: String::from(err.description()),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 46 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sassers-b33a1b4648de4c5d
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test context::tests::it_sets_number_token_computed_to_true ... ok
[INFO] [stdout] test expression_evaluator::tests::it_evaluates_a_list_with_division_and_string_concat ... ok
[INFO] [stdout] test expression_evaluator::tests::it_evaluates_a_list_adding_fractions ... ok
[INFO] [stdout] test parser::tests::it_errors_with_malformed_variable_declaration ... ok
[INFO] [stdout] test parser::tests::it_returns_variable_setting_statements ... ok
[INFO] [stdout] test ast::expression::tests::it_parses_a_number_with_units ... ok
[INFO] [stdout] test ast::expression::tests::it_parses_a_list ... ok
[INFO] [stdout] test parser::tests::it_returns_variables_set_within_rules ... ok
[INFO] [stdout] test tokenizer::tests::it_returns_none_for_only_whitespace ... ok
[INFO] [stdout] test sass::rule::tests::it_collapses_subrules_without_properties ... ok
[INFO] [stdout] test tokenizer::tests::it_returns_words ... ok
[INFO] [stdout] test tokenizer::tests::it_removes_single_line_comments ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_colon ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_comma ... ok
[INFO] [stdout] test parser::tests::it_returns_a_rule ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_curly_braces ... ok
[INFO] [stdout] test parser::tests::it_returns_a_comment ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_hyphen ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_multiline_comments ... ok
[INFO] [stdout] test parser::tests::it_returns_nested_rules ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_parens ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_slash ... ok
[INFO] [stdout] test tokenizer::tests::it_returns_none_for_empty_string ... ok
[INFO] [stdout] test parser::tests::it_returns_rules_with_multiple_selectors ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_double_quoted_string_literals ... ok
[INFO] [stdout] test parser::tests::it_returns_rules_without_properties ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_numbers ... ok
[INFO] [stdout] test ast::expression::tests::it_parses_a_number_without_units ... ok
[INFO] [stdout] test tokenizer::tests::it_separates_semicolon ... ok
[INFO] [stdout] test parser::tests::it_returns_none_for_empty_string ... ok
[INFO] [stdout] test expression_evaluator::tests::it_does_not_divide_list_with_only_slashes ... ok
[INFO] [stdout] test ast::expression::tests::it_parses_a_single_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sassers-ad5fadc3bb30c986
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sassers
[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] [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 `Command { std: "docker" "inspect" "76f0dbb34ac802f6e0e26042cfb7449a9f014a12ff1b96f8a5c16ee904c7050d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f0dbb34ac802f6e0e26042cfb7449a9f014a12ff1b96f8a5c16ee904c7050d", kill_on_drop: false }`
[INFO] [stdout] 76f0dbb34ac802f6e0e26042cfb7449a9f014a12ff1b96f8a5c16ee904c7050d
