[INFO] fetching crate zero_sum 1.2.0...
[INFO] checking zero_sum-1.2.0 against beta for pr-78714
[INFO] extracting crate zero_sum 1.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zero_sum 1.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zero_sum 1.2.0
[INFO] finished tweaking crates.io crate zero_sum 1.2.0
[INFO] tweaked toml for crates.io crate zero_sum 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591d3669ccf74a7c12c7abfbea828f03166a54360e27a1e6dbd7f976203ee767
[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" "591d3669ccf74a7c12c7abfbea828f03166a54360e27a1e6dbd7f976203ee767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591d3669ccf74a7c12c7abfbea828f03166a54360e27a1e6dbd7f976203ee767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591d3669ccf74a7c12c7abfbea828f03166a54360e27a1e6dbd7f976203ee767", kill_on_drop: false }`
[INFO] [stdout] 591d3669ccf74a7c12c7abfbea828f03166a54360e27a1e6dbd7f976203ee767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f37ec592f8f5af2b90e29f615e3dd4047615daedf49db6ea45ad2273f19fb9
[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" "99f37ec592f8f5af2b90e29f615e3dd4047615daedf49db6ea45ad2273f19fb9", kill_on_drop: false }`
[INFO] [stderr]     Checking zero_sum v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         try!(write!(f, "State: {}\n", self.state));
[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/analysis/search/pvsearch/mod.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(write!(f, "Resultant State: {}\n", result));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(write!(f, "Evaluation: {}{}", self.evaluation, if self.evaluation.is_end() {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         try!(write!(f, "Principal Variation:"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             try!(write!(f, "\n  {}", ply));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(write!(f, "\nStatistics:\n{}", self.statistics));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             try!(write!(f, "\n  {0:1$}", format!("Max Depth {}:", i + 1), title_width + 2));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:159:21
[INFO] [stdout]     |
[INFO] [stdout] 159 |                     try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(write!(f, "\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(write!(f, "\n  {0:1$}", "Totals:", title_width + 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "  {0:>1$}", "Total", final_totals_width));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(write!(f, "  {0:>1$}", final_totals[j], final_totals_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/search/mod.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn as_any(&self) -> &Any;
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Any`
[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/analysis/search/mod.rs:78:77
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis>;
[INFO] [stdout]    |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:336:77
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis> {
[INFO] [stdout]     |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:468:26
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn as_any(&self) -> &Any {
[INFO] [stdout]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         try!(write!(f, "State: {}\n", self.state));
[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/analysis/search/pvsearch/mod.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(write!(f, "Resultant State: {}\n", result));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(write!(f, "Evaluation: {}{}", self.evaluation, if self.evaluation.is_end() {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         try!(write!(f, "Principal Variation:"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             try!(write!(f, "\n  {}", ply));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:460:9
[INFO] [stdout]     |
[INFO] [stdout] 460 |         try!(write!(f, "\nStatistics:\n{}", self.statistics));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             try!(write!(f, "\n  {0:1$}", format!("Max Depth {}:", i + 1), title_width + 2));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:159:21
[INFO] [stdout]     |
[INFO] [stdout] 159 |                     try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(write!(f, "\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(write!(f, "\n  {0:1$}", "Totals:", title_width + 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(write!(f, "  {0:>1$}", j + 1, column_widths[j]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "  {0:>1$}", "Total", final_totals_width));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, "\n    {0:1$}", title, title_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 try!(write!(f, "  {0:>1$}", depth[j], column_widths[k]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/analysis/search/pvsearch/statistics.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(write!(f, "  {0:>1$}", final_totals[j], final_totals_width));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/search/mod.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn as_any(&self) -> &Any;
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Any`
[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/analysis/search/mod.rs:78:77
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis>;
[INFO] [stdout]    |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:336:77
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn search(&mut self, state: &S, interrupt: Option<Receiver<()>>) -> Box<Analysis> {
[INFO] [stdout]     |                                                                             ^^^^^^^^ help: use `dyn`: `dyn Analysis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/analysis/search/pvsearch/mod.rs:468:26
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn as_any(&self) -> &Any {
[INFO] [stdout]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero_sum`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "99f37ec592f8f5af2b90e29f615e3dd4047615daedf49db6ea45ad2273f19fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f37ec592f8f5af2b90e29f615e3dd4047615daedf49db6ea45ad2273f19fb9", kill_on_drop: false }`
[INFO] [stdout] 99f37ec592f8f5af2b90e29f615e3dd4047615daedf49db6ea45ad2273f19fb9