[INFO] fetching crate exar-net 0.1.0...
[INFO] testing exar-net-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate exar-net 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate exar-net 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5d0343d7d0dacd95cfc055bf5aae1c417d4b66bea1b1f92d71600c09a0596b
[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" "2f5d0343d7d0dacd95cfc055bf5aae1c417d4b66bea1b1f92d71600c09a0596b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5d0343d7d0dacd95cfc055bf5aae1c417d4b66bea1b1f92d71600c09a0596b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5d0343d7d0dacd95cfc055bf5aae1c417d4b66bea1b1f92d71600c09a0596b", kill_on_drop: false }`
[INFO] [stdout] 2f5d0343d7d0dacd95cfc055bf5aae1c417d4b66bea1b1f92d71600c09a0596b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5559860ad1e2b946223de18c43adb1b4ed50eda1699587556950cfc29ac6c5f
[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" "a5559860ad1e2b946223de18c43adb1b4ed50eda1699587556950cfc29ac6c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexed-line-reader v0.2.1
[INFO] [stderr]    Compiling exar v0.1.0
[INFO] [stderr]    Compiling exar-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:77:36
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:79:36
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:88:44
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 let live = try!(parser.parse_next());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/message.rs:104:44
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "a5559860ad1e2b946223de18c43adb1b4ed50eda1699587556950cfc29ac6c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5559860ad1e2b946223de18c43adb1b4ed50eda1699587556950cfc29ac6c5f", kill_on_drop: false }`
[INFO] [stdout] a5559860ad1e2b946223de18c43adb1b4ed50eda1699587556950cfc29ac6c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04509372a00743b94f9c05f098bc6be794ab4b74a17c85c9f622292fba217bd9
[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" "04509372a00743b94f9c05f098bc6be794ab4b74a17c85c9f622292fba217bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling exar-testkit v0.1.0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let message_type: String = try!(parser.parse_next());
[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/message.rs:66:44
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let collection_name = try!(parser.parse_next());
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:77:36
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let tags: String = try!(parser.parse_next());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let timestamp = try!(parser.parse_next());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:79:36
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let event_id = try!(parser.parse_next());
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:88:44
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 let live = try!(parser.parse_next());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let offset = try!(parser.parse_next());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/message.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/message.rs:104:44
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 let message_data: String = try!(parser.parse_next());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] [stderr] error: could not compile `exar-testkit`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "04509372a00743b94f9c05f098bc6be794ab4b74a17c85c9f622292fba217bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04509372a00743b94f9c05f098bc6be794ab4b74a17c85c9f622292fba217bd9", kill_on_drop: false }`
[INFO] [stdout] 04509372a00743b94f9c05f098bc6be794ab4b74a17c85c9f622292fba217bd9
