[INFO] crate sassers 0.13.5-h28 is already in cache
[INFO] extracting crate sassers 0.13.5-h28 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sassers/0.13.5-h28
[INFO] extracting crate sassers 0.13.5-h28 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sassers/0.13.5-h28
[INFO] validating manifest of sassers-0.13.5-h28 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sassers-0.13.5-h28 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sassers-0.13.5-h28
[INFO] finished frobbing sassers-0.13.5-h28
[INFO] frobbed toml for sassers-0.13.5-h28 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sassers/0.13.5-h28/Cargo.toml
[INFO] started frobbing sassers-0.13.5-h28
[INFO] finished frobbing sassers-0.13.5-h28
[INFO] frobbed toml for sassers-0.13.5-h28 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sassers/0.13.5-h28/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sassers-0.13.5-h28 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sassers/0.13.5-h28:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b8319c935c33dd4dfbf22f1e0e20604e9cd80944c7f1c3e1475071ebe4363738
[INFO] running `"docker" "start" "-a" "b8319c935c33dd4dfbf22f1e0e20604e9cd80944c7f1c3e1475071ebe4363738"`
[INFO] [stderr]     Checking sassers v0.13.5-h28 (/opt/crater/workdir)
[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: 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 3.72s
[INFO] running `"docker" "inspect" "b8319c935c33dd4dfbf22f1e0e20604e9cd80944c7f1c3e1475071ebe4363738"`
[INFO] running `"docker" "rm" "-f" "b8319c935c33dd4dfbf22f1e0e20604e9cd80944c7f1c3e1475071ebe4363738"`
[INFO] [stdout] b8319c935c33dd4dfbf22f1e0e20604e9cd80944c7f1c3e1475071ebe4363738