[INFO] fetching crate exar 0.1.0...
[INFO] checking exar-0.1.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate exar 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate exar 0.1.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exar 0.1.0
[INFO] removed path dependency exar-testkit from crates.io crate exar 0.1.0
[INFO] finished tweaking crates.io crate exar 0.1.0
[INFO] tweaked toml for crates.io crate exar 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v0.7.4
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f910954ff6c6c2149cf7564e166fc4f2749f90ea83d33527924c8f19a1af41ed
[INFO] running `Command { std: "docker" "start" "-a" "f910954ff6c6c2149cf7564e166fc4f2749f90ea83d33527924c8f19a1af41ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f910954ff6c6c2149cf7564e166fc4f2749f90ea83d33527924c8f19a1af41ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f910954ff6c6c2149cf7564e166fc4f2749f90ea83d33527924c8f19a1af41ed", kill_on_drop: false }`
[INFO] [stdout] f910954ff6c6c2149cf7564e166fc4f2749f90ea83d33527924c8f19a1af41ed
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a270b3e4e5fcb34eb22d92d6bdd8e4e4c550b562daf0bd3131eb3e2d201712c
[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" "1a270b3e4e5fcb34eb22d92d6bdd8e4e4c550b562daf0bd3131eb3e2d201712c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking exar-testkit v0.1.0
[INFO] [stderr]     Checking exar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/collection.rs:42:49
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let (scanners, tail_scanners) = try!(Collection::run_scanners(&log, &index, &config));
[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/collection.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 try!(self.log.persist_index(&self.index));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/collection.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     try!(scanner.add_line_index(event_id + 1, self.logger.bytes_written()))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/collection.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let line_reader = try!(log.open_line_reader_with_index(index.clone()));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/collection.rs:94:31
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let line_reader = try!(log.open_line_reader_with_index(index.clone()));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/collection.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(scanner.set_tail_scanner_sender(tail_scanner.clone_action_sender()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let message_type: String = try!(parser.parse_next());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 let error: String = try!(parser.parse_next());
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:72:44
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:74:42
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let error_kind: String = try!(parser.parse_next());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let error_kind = try!(ErrorKind::from_tab_separated_str(&error_kind));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:76:49
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let error_description: String = try!(parser.parse_next());
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let error_type: String = try!(parser.parse_next());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:85:60
[INFO] [stdout]    |
[INFO] [stdout] 85 |                         let error = ParseError::ParseError(try!(parser.parse_next()));
[INFO] [stdout]    |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:89:62
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         let error = ParseError::MissingField(try!(parser.parse_next()));
[INFO] [stdout]    |                                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 let description: String = try!(parser.parse_next());
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/event.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let id = try!(parser.parse_next());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/event.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let timestamp = try!(parser.parse_next());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/event.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let tags: String = try!(parser.parse_next());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/event.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let data: String = try!(parser.parse_next());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exar-testkit-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exar-testkit`.
[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] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1a270b3e4e5fcb34eb22d92d6bdd8e4e4c550b562daf0bd3131eb3e2d201712c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a270b3e4e5fcb34eb22d92d6bdd8e4e4c550b562daf0bd3131eb3e2d201712c", kill_on_drop: false }`
[INFO] [stdout] 1a270b3e4e5fcb34eb22d92d6bdd8e4e4c550b562daf0bd3131eb3e2d201712c
