[INFO] crate optra 0.2.1 is already in cache [INFO] testing optra-0.2.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate optra 0.2.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate optra 0.2.1 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate optra 0.2.1 [INFO] finished tweaking crates.io crate optra 0.2.1 [INFO] tweaked toml for crates.io crate optra 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4c9d752ab7e12c7889bb1d248abb3b8c615e8f622578e4b78732596e29bd83a [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" "e4c9d752ab7e12c7889bb1d248abb3b8c615e8f622578e4b78732596e29bd83a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4c9d752ab7e12c7889bb1d248abb3b8c615e8f622578e4b78732596e29bd83a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4c9d752ab7e12c7889bb1d248abb3b8c615e8f622578e4b78732596e29bd83a", kill_on_drop: false }` [INFO] [stdout] e4c9d752ab7e12c7889bb1d248abb3b8c615e8f622578e4b78732596e29bd83a [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5a02931a5e375e0223ff95907f3dd5231d3df25200fa3d4c1d504c10f954a06 [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" "d5a02931a5e375e0223ff95907f3dd5231d3df25200fa3d4c1d504c10f954a06", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rdiff v0.1.2 [INFO] [stderr] Compiling optra v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | #![feature(linked_list_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | try!(writer.write(&long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | try!(writer.write(&self.value)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | try!(reader.read_exact(&mut long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | try!(reader.read_exact(&mut value)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | try!(writer.write(&long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | try!(writer.write(&long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | try!(reader.read_exact(&mut long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/operations.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | try!(reader.read_exact(&mut long_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:116:40 [INFO] [stdout] | [INFO] [stdout] 116 | let local_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:136:46 [INFO] [stdout] | [INFO] [stdout] 136 | let transformed_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:184:34 [INFO] [stdout] | [INFO] [stdout] 184 | let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | try!(insert.compress_to(writer, true)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:208:13 [INFO] [stdout] | [INFO] [stdout] 208 | try!(delete.compress_to(writer)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:250:55 [INFO] [stdout] | [INFO] [stdout] 250 | tail_timestamp = Some((timestamp, try!(lookup.get(×tamp).ok_or(OTError::new(Kind::NoSuchState))))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:253:51 [INFO] [stdout] | [INFO] [stdout] 253 | tail_timestamp = Some((timestamp, try!(lookup.get(×tamp).ok_or(OTError::new(Kind::NoSuchState))))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:261:55 [INFO] [stdout] | [INFO] [stdout] 261 | tail_timestamp = Some((timestamp, try!(lookup.get(×tamp).ok_or(OTError::new(Kind::NoSuchState))))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:264:51 [INFO] [stdout] | [INFO] [stdout] 264 | tail_timestamp = Some((timestamp, try!(lookup.get(×tamp).ok_or(OTError::new(Kind::NoSuchState))))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:270:34 [INFO] [stdout] | [INFO] [stdout] 270 | let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:480:9 [INFO] [stdout] | [INFO] [stdout] 480 | try!(writeln!(f, "Site: {}", self.site_id)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:481:9 [INFO] [stdout] | [INFO] [stdout] 481 | try!(writeln!(f, "Inserts: {:?}", self.inserts)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:568:9 [INFO] [stdout] | [INFO] [stdout] 568 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:571:13 [INFO] [stdout] | [INFO] [stdout] 571 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:573:13 [INFO] [stdout] | [INFO] [stdout] 573 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:575:13 [INFO] [stdout] | [INFO] [stdout] 575 | try!(writer.write(&int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:584:9 [INFO] [stdout] | [INFO] [stdout] 584 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:590:13 [INFO] [stdout] | [INFO] [stdout] 590 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:592:13 [INFO] [stdout] | [INFO] [stdout] 592 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:594:13 [INFO] [stdout] | [INFO] [stdout] 594 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:639:9 [INFO] [stdout] | [INFO] [stdout] 639 | try!(file.seek(SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:644:9 [INFO] [stdout] | [INFO] [stdout] 644 | try!(file.read_to_end(&mut file_bytes)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:645:9 [INFO] [stdout] | [INFO] [stdout] 645 | try!(file.seek(SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:646:9 [INFO] [stdout] | [INFO] [stdout] 646 | try!(file.set_len(0)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:682:29 [INFO] [stdout] | [INFO] [stdout] 682 | ... try!(file.write(&[*next])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:703:13 [INFO] [stdout] | [INFO] [stdout] 703 | try!(writer.write(&[1])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:705:13 [INFO] [stdout] | [INFO] [stdout] 705 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:707:13 [INFO] [stdout] | [INFO] [stdout] 707 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:709:13 [INFO] [stdout] | [INFO] [stdout] 709 | try!(writer.write(&[0])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:713:9 [INFO] [stdout] | [INFO] [stdout] 713 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:715:13 [INFO] [stdout] | [INFO] [stdout] 715 | try!(insert.compress_to(writer, false)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:718:9 [INFO] [stdout] | [INFO] [stdout] 718 | try!(writer.write(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:720:13 [INFO] [stdout] | [INFO] [stdout] 720 | try!(delete.compress_to(writer)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:731:9 [INFO] [stdout] | [INFO] [stdout] 731 | try!(reader.read_exact(&mut bool_buffer)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:734:13 [INFO] [stdout] | [INFO] [stdout] 734 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:736:13 [INFO] [stdout] | [INFO] [stdout] 736 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:746:9 [INFO] [stdout] | [INFO] [stdout] 746 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:751:31 [INFO] [stdout] | [INFO] [stdout] 751 | inserts.push_back(try!(InsertOperation::expand_from(reader, timestamp_lookup))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:755:9 [INFO] [stdout] | [INFO] [stdout] 755 | try!(reader.read_exact(&mut int_buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/engine.rs:760:31 [INFO] [stdout] | [INFO] [stdout] 760 | deletes.push_back(try!(DeleteOperation::expand_from(reader))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 60 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 `optra`. [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d5a02931a5e375e0223ff95907f3dd5231d3df25200fa3d4c1d504c10f954a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5a02931a5e375e0223ff95907f3dd5231d3df25200fa3d4c1d504c10f954a06", kill_on_drop: false }` [INFO] [stdout] d5a02931a5e375e0223ff95907f3dd5231d3df25200fa3d4c1d504c10f954a06