[INFO] crate exar-net 0.1.0 is already in cache
[INFO] testing exar-net-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate exar-net 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate exar-net 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exar-net 0.1.0
[INFO] removed path dependency exar from crates.io crate exar-net 0.1.0
[INFO] removed path dependency exar-testkit from crates.io crate exar-net 0.1.0
[INFO] finished tweaking crates.io crate exar-net 0.1.0
[INFO] tweaked toml for crates.io crate exar-net 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f36e55a77a010b006b3ffc84e1e8a401fba1c3cae9094612d2eeda89f063bca
[INFO] running `"docker" "start" "-a" "8f36e55a77a010b006b3ffc84e1e8a401fba1c3cae9094612d2eeda89f063bca"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling indexed-line-reader v0.2.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling exar v0.1.0
[INFO] [stderr]    Compiling exar-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:77:36
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:78:33
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:88:44
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let live = try!(parser.parse_next());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:99:44
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `"docker" "inspect" "8f36e55a77a010b006b3ffc84e1e8a401fba1c3cae9094612d2eeda89f063bca"`
[INFO] running `"docker" "rm" "-f" "8f36e55a77a010b006b3ffc84e1e8a401fba1c3cae9094612d2eeda89f063bca"`
[INFO] [stdout] 8f36e55a77a010b006b3ffc84e1e8a401fba1c3cae9094612d2eeda89f063bca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43bb0e938d86e1d99a8a53d930d05ee8fe1f1b2693ee63df1c02d9fe0c4d9e47
[INFO] running `"docker" "start" "-a" "43bb0e938d86e1d99a8a53d930d05ee8fe1f1b2693ee63df1c02d9fe0c4d9e47"`
[INFO] [stderr]    Compiling exar-testkit v0.1.0
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:77:36
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:78:33
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:88:44
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let live = try!(parser.parse_next());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:99:44
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling exar-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:77:36
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:78:33
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:88:44
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let live = try!(parser.parse_next());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:99:44
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "43bb0e938d86e1d99a8a53d930d05ee8fe1f1b2693ee63df1c02d9fe0c4d9e47"`
[INFO] running `"docker" "rm" "-f" "43bb0e938d86e1d99a8a53d930d05ee8fe1f1b2693ee63df1c02d9fe0c4d9e47"`
[INFO] [stdout] 43bb0e938d86e1d99a8a53d930d05ee8fe1f1b2693ee63df1c02d9fe0c4d9e47
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4fe3767791d010d4b3cf7886ea52dcbd9ec8a1393446c0d2680546804421c81b
[INFO] running `"docker" "start" "-a" "4fe3767791d010d4b3cf7886ea52dcbd9ec8a1393446c0d2680546804421c81b"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:77:36
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:78:33
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:88:44
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let live = try!(parser.parse_next());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:99:44
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:77:36
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:78:33
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:88:44
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let live = try!(parser.parse_next());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message.rs:99:44
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message.rs:104:44
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exar_net-9f86d1cc60ad098b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test message::tests::test_end_of_event_stream ... ok
[INFO] [stdout] test message::tests::test_event ... ok
[INFO] [stdout] test message::tests::test_connect ... ok
[INFO] [stdout] test message::tests::test_connected ... ok
[INFO] [stdout] test message::tests::test_publish ... ok
[INFO] [stdout] test message::tests::test_subscribed ... ok
[INFO] [stdout] test message::tests::test_error ... ok
[INFO] [stdout] test message::tests::test_published ... ok
[INFO] [stdout] test message::tests::test_subscribe ... ok
[INFO] [stdout] test stream::tests::test_tcp_message_stream ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- stream::tests::test_tcp_message_stream stdout ----
[INFO] [stdout] thread 'stream::tests::test_tcp_message_stream' panicked at 'Unable to create log stream: Os { code: 30, kind: Other, message: "Read-only file system" }', src/stream.rs:163:26
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560cec1d6244 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560cec1d6244 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560cec1d6244 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560cec1d6244 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560cec1ff01c - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x560cec165b25 - std::io::Write::write_fmt::h5d052af13df32ea6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x560cec1d0861 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8fe8a9bdc421b4b6
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x560cec1d8b15 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560cec1d8b15 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560cec1d8b15 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560cec1d87fb - std::panicking::default_hook::h9386f7e484840463
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560cec1d9172 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x560cec1d8d5b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x560cec1fda41 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   14:     0x560cec1fd863 - core::option::expect_none_failed::hf2c575a7b931ce1f
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   15:     0x560cec15ff7a - core::result::Result<T,E>::expect::h80301dff28facaf2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:963
[INFO] [stdout]   16:     0x560cec15ed4a - exar_net::stream::tests::test_tcp_message_stream::h95c6a68fdbef951c
[INFO] [stdout]                                at src/stream.rs:163
[INFO] [stdout]   17:     0x560cec15ecba - exar_net::stream::tests::test_tcp_message_stream::{{closure}}::hec67bf811d7df461
[INFO] [stdout]                                at src/stream.rs:161
[INFO] [stdout]   18:     0x560cec15da1e - core::ops::function::FnOnce::call_once::h2d6680593c2ce8c3
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x560cec171a1f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1f6ee40732e80908
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   20:     0x560cec18d01e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x560cec18d01e - std::panicking::try::do_call::hee6f5a4bef67c840
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   22:     0x560cec18d01e - std::panicking::try::h3384d3b948e84dbc
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x560cec18d01e - std::panic::catch_unwind::h5ae91218e578066d
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x560cec18d01e - test::run_test_in_process::he37a49587889b910
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x560cec18d01e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x560cec164fd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x560cec16a365 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x560cec16a365 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x560cec16a365 - std::panicking::try::do_call::hb29b86f86d4d722e
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   30:     0x560cec16a365 - std::panicking::try::h4bfefb3eddc0d900
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x560cec16a365 - std::panic::catch_unwind::h774c24d4b38d5828
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x560cec16a365 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x560cec16a365 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x560cec1cca4f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7deaeeba480c6ce2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   35:     0x560cec1dfa93 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h968b1dfb87756523
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   36:     0x560cec1dfa93 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7ff537e9a6db - start_thread
[INFO] [stdout]   38:     0x7ff5379ab88f - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     stream::tests::test_tcp_message_stream
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "4fe3767791d010d4b3cf7886ea52dcbd9ec8a1393446c0d2680546804421c81b"`
[INFO] running `"docker" "rm" "-f" "4fe3767791d010d4b3cf7886ea52dcbd9ec8a1393446c0d2680546804421c81b"`
[INFO] [stdout] 4fe3767791d010d4b3cf7886ea52dcbd9ec8a1393446c0d2680546804421c81b