[INFO] fetching crate sassers 0.13.5-h28...
[INFO] checking sassers-0.13.5-h28 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate sassers 0.13.5-h28 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sassers 0.13.5-h28 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3588a3f859c6ca0640322b6fabd0557919d5218803bb3894aab015c98846e0fa
[INFO] running `"docker" "start" "-a" "3588a3f859c6ca0640322b6fabd0557919d5218803bb3894aab015c98846e0fa"`
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking sassers v0.13.5-h28 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "3588a3f859c6ca0640322b6fabd0557919d5218803bb3894aab015c98846e0fa"`
[INFO] running `"docker" "rm" "-f" "3588a3f859c6ca0640322b6fabd0557919d5218803bb3894aab015c98846e0fa"`
[INFO] [stdout] 3588a3f859c6ca0640322b6fabd0557919d5218803bb3894aab015c98846e0fa