[INFO] fetching crate ceph 3.0.0...
[INFO] checking ceph-3.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate ceph 3.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ceph 3.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ceph 3.0.0
[INFO] finished tweaking crates.io crate ceph 3.0.0
[INFO] tweaked toml for crates.io crate ceph 3.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 432fd4258bb00a40aebcb75df6cf45369467f012ed56127dea3a53a2eb828a91
[INFO] running `"docker" "start" "-a" "432fd4258bb00a40aebcb75df6cf45369467f012ed56127dea3a53a2eb828a91"`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking ceph v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut stream = try!(UnixStream::connect(socket));
[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/admin_sockets.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let wb = try!(stream.write(cmd.as_bytes()));
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let ret_val = try!(stream.read(&mut buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(stream.shutdown(Shutdown::Both));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 try!(buffer.write_u32::<LittleEndian>(key.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(buffer.write_u32::<LittleEndian>(name.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 try!(buffer.write_u32::<LittleEndian>(name.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:342:22
[INFO] [stderr]     |
[INFO] [stderr] 342 |     let connect_id = try!(CString::new(user_id));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |     let conf_file = try!(CString::new(config_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:399:24
[INFO] [stderr]     |
[INFO] [stderr] 399 |         let name_str = try!(CString::new(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:400:25
[INFO] [stderr]     |
[INFO] [stderr] 400 |         let value_str = try!(CString::new(value));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:412:24
[INFO] [stderr]     |
[INFO] [stderr] 412 |         let name_str = try!(CString::new(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:439:29
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:602:23
[INFO] [stderr]     |
[INFO] [stderr] 602 |         let key_str = try!(CString::new(key));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:614:29
[INFO] [stderr]     |
[INFO] [stderr] 614 |         let namespace_str = try!(CString::new(namespace));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:638:29
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:651:29
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:667:29
[INFO] [stderr]     |
[INFO] [stderr] 667 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:668:31
[INFO] [stderr]     |
[INFO] [stderr] 668 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:727:31
[INFO] [stderr]     |
[INFO] [stderr] 727 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:775:29
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:792:23
[INFO] [stderr]     |
[INFO] [stderr] 792 |         let out_str = try!(CString::new(out_buffer));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:837:28
[INFO] [stderr]     |
[INFO] [stderr] 837 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:859:28
[INFO] [stderr]     |
[INFO] [stderr] 859 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:890:28
[INFO] [stderr]     |
[INFO] [stderr] 890 |         let dst_name_str = try!(CString::new(dst_object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:891:28
[INFO] [stderr]     |
[INFO] [stderr] 891 |         let src_name_str = try!(CString::new(src_object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:912:28
[INFO] [stderr]     |
[INFO] [stderr] 912 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:941:31
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:968:31
[INFO] [stderr]     |
[INFO] [stderr] 968 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:984:31
[INFO] [stderr]     |
[INFO] [stderr] 984 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1003:31
[INFO] [stderr]      |
[INFO] [stderr] 1003 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1004:29
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1024:31
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1025:29
[INFO] [stderr]      |
[INFO] [stderr] 1025 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1045:31
[INFO] [stderr]      |
[INFO] [stderr] 1045 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1046:29
[INFO] [stderr]      |
[INFO] [stderr] 1046 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1065:31
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1080:31
[INFO] [stderr]      |
[INFO] [stderr] 1080 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1096:31
[INFO] [stderr]      |
[INFO] [stderr] 1096 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1097:22
[INFO] [stderr]      |
[INFO] [stderr] 1097 |         let buffer = try!(update.serialize());
[INFO] [stderr]      |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1115:31
[INFO] [stderr]      |
[INFO] [stderr] 1115 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1169:31
[INFO] [stderr]      |
[INFO] [stderr] 1169 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1170:30
[INFO] [stderr]      |
[INFO] [stderr] 1170 |         let class_name_str = try!(CString::new(class_name));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1171:31
[INFO] [stderr]      |
[INFO] [stderr] 1171 |         let method_name_str = try!(CString::new(method_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1196:31
[INFO] [stderr]      |
[INFO] [stderr] 1196 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1232:31
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1270:31
[INFO] [stderr]      |
[INFO] [stderr] 1270 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1289:31
[INFO] [stderr]      |
[INFO] [stderr] 1289 |         let object_name_str = try!(CString::new(read_op.object_name.clone()));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1308:31
[INFO] [stderr]      |
[INFO] [stderr] 1308 |         let object_name_str = try!(CString::new(write_op.object_name.clone()));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1336:31
[INFO] [stderr]      |
[INFO] [stderr] 1336 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1337:29
[INFO] [stderr]      |
[INFO] [stderr] 1337 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1338:31
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1339:31
[INFO] [stderr]      |
[INFO] [stderr] 1339 |         let description_str = try!(CString::new(description));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1370:31
[INFO] [stderr]      |
[INFO] [stderr] 1370 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1371:29
[INFO] [stderr]      |
[INFO] [stderr] 1371 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1372:31
[INFO] [stderr]      |
[INFO] [stderr] 1372 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1373:31
[INFO] [stderr]      |
[INFO] [stderr] 1373 |         let description_str = try!(CString::new(description));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1374:28
[INFO] [stderr]      |
[INFO] [stderr] 1374 |         let tag_name_str = try!(CString::new(tag_name));
[INFO] [stderr]      |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1397:31
[INFO] [stderr]      |
[INFO] [stderr] 1397 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1398:29
[INFO] [stderr]      |
[INFO] [stderr] 1398 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1399:31
[INFO] [stderr]      |
[INFO] [stderr] 1399 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1455:31
[INFO] [stderr]      |
[INFO] [stderr] 1455 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1456:29
[INFO] [stderr]      |
[INFO] [stderr] 1456 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1457:31
[INFO] [stderr]      |
[INFO] [stderr] 1457 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1458:31
[INFO] [stderr]      |
[INFO] [stderr] 1458 |         let client_name_str = try!(CString::new(client_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1479:30
[INFO] [stderr]      |
[INFO] [stderr] 1479 |         let client_address = try!(CString::new(client.to_string()));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1532:24
[INFO] [stderr]      |
[INFO] [stderr] 1532 |             let read = try!(cursor.read_until(0x00, &mut string_buf));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1553:29
[INFO] [stderr]      |
[INFO] [stderr] 1553 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1568:29
[INFO] [stderr]      |
[INFO] [stderr] 1568 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1582:29
[INFO] [stderr]      |
[INFO] [stderr] 1582 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1692:26
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         let mon_id_str = try!(CString::new(mon_id));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1695:23
[INFO] [stderr]      |
[INFO] [stderr] 1695 |         let out_str = try!(CString::new(out_buffer));
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / bitflags! {
[INFO] [stderr] 46 | |     pub flags AllocFlags: u32 {
[INFO] [stderr] 47 | |         const LIBRADOS_OP_FLAG_EXCL = 1,
[INFO] [stderr] 48 | |         const LIBRADOS_OP_FLAG_FAILOK = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / bitflags! {
[INFO] [stderr] 46 | |     pub flags AllocFlags: u32 {
[INFO] [stderr] 47 | |         const LIBRADOS_OP_FLAG_EXCL = 1,
[INFO] [stderr] 48 | |         const LIBRADOS_OP_FLAG_FAILOK = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / bitflags! {
[INFO] [stderr] 64 | |     pub flags XattrFlags: u32 {
[INFO] [stderr] 65 | |         const LIBRADOS_CMPXATTR_OP_EQ = 1,
[INFO] [stderr] 66 | |         const LIBRADOS_CMPXATTR_OP_NE = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / bitflags! {
[INFO] [stderr] 64 | |     pub flags XattrFlags: u32 {
[INFO] [stderr] 65 | |         const LIBRADOS_CMPXATTR_OP_EQ = 1,
[INFO] [stderr] 66 | |         const LIBRADOS_CMPXATTR_OP_NE = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | / bitflags! {
[INFO] [stderr] 83 | |     pub flags OperationFlags: u32 {
[INFO] [stderr] 84 | |         const LIBRADOS_OPERATION_NOFLAG= 0,
[INFO] [stderr] 85 | |         const LIBRADOS_OPERATION_BALANCE_READS= 1,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |     }
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | / bitflags! {
[INFO] [stderr] 83 | |     pub flags OperationFlags: u32 {
[INFO] [stderr] 84 | |         const LIBRADOS_OPERATION_NOFLAG= 0,
[INFO] [stderr] 85 | |         const LIBRADOS_OPERATION_BALANCE_READS= 1,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |     }
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let output = try!(Command::new("sh").arg("-c").arg(cmd_line).output());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut stream = try!(UnixStream::connect(socket));
[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/admin_sockets.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let wb = try!(stream.write(cmd.as_bytes()));
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let ret_val = try!(stream.read(&mut buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/admin_sockets.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(stream.shutdown(Shutdown::Both));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 try!(buffer.write_u32::<LittleEndian>(key.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(buffer.write_u32::<LittleEndian>(name.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(buffer.write_u32::<LittleEndian>(data.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 try!(buffer.write_u32::<LittleEndian>(name.len() as u32));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:342:22
[INFO] [stderr]     |
[INFO] [stderr] 342 |     let connect_id = try!(CString::new(user_id));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |     let conf_file = try!(CString::new(config_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:399:24
[INFO] [stderr]     |
[INFO] [stderr] 399 |         let name_str = try!(CString::new(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:400:25
[INFO] [stderr]     |
[INFO] [stderr] 400 |         let value_str = try!(CString::new(value));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:412:24
[INFO] [stderr]     |
[INFO] [stderr] 412 |         let name_str = try!(CString::new(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:439:29
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:602:23
[INFO] [stderr]     |
[INFO] [stderr] 602 |         let key_str = try!(CString::new(key));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:614:29
[INFO] [stderr]     |
[INFO] [stderr] 614 |         let namespace_str = try!(CString::new(namespace));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:638:29
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:651:29
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:667:29
[INFO] [stderr]     |
[INFO] [stderr] 667 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:668:31
[INFO] [stderr]     |
[INFO] [stderr] 668 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:727:31
[INFO] [stderr]     |
[INFO] [stderr] 727 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:775:29
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let snap_name_str = try!(CString::new(snap_name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:792:23
[INFO] [stderr]     |
[INFO] [stderr] 792 |         let out_str = try!(CString::new(out_buffer));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:837:28
[INFO] [stderr]     |
[INFO] [stderr] 837 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:859:28
[INFO] [stderr]     |
[INFO] [stderr] 859 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:890:28
[INFO] [stderr]     |
[INFO] [stderr] 890 |         let dst_name_str = try!(CString::new(dst_object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:891:28
[INFO] [stderr]     |
[INFO] [stderr] 891 |         let src_name_str = try!(CString::new(src_object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:912:28
[INFO] [stderr]     |
[INFO] [stderr] 912 |         let obj_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:941:31
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:968:31
[INFO] [stderr]     |
[INFO] [stderr] 968 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ceph.rs:984:31
[INFO] [stderr]     |
[INFO] [stderr] 984 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1003:31
[INFO] [stderr]      |
[INFO] [stderr] 1003 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1004:29
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1024:31
[INFO] [stderr]      |
[INFO] [stderr] 1024 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1025:29
[INFO] [stderr]      |
[INFO] [stderr] 1025 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1045:31
[INFO] [stderr]      |
[INFO] [stderr] 1045 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1046:29
[INFO] [stderr]      |
[INFO] [stderr] 1046 |         let attr_name_str = try!(CString::new(attr_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1065:31
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1080:31
[INFO] [stderr]      |
[INFO] [stderr] 1080 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1096:31
[INFO] [stderr]      |
[INFO] [stderr] 1096 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1097:22
[INFO] [stderr]      |
[INFO] [stderr] 1097 |         let buffer = try!(update.serialize());
[INFO] [stderr]      |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1115:31
[INFO] [stderr]      |
[INFO] [stderr] 1115 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1169:31
[INFO] [stderr]      |
[INFO] [stderr] 1169 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1170:30
[INFO] [stderr]      |
[INFO] [stderr] 1170 |         let class_name_str = try!(CString::new(class_name));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1171:31
[INFO] [stderr]      |
[INFO] [stderr] 1171 |         let method_name_str = try!(CString::new(method_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1196:31
[INFO] [stderr]      |
[INFO] [stderr] 1196 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1232:31
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1270:31
[INFO] [stderr]      |
[INFO] [stderr] 1270 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1289:31
[INFO] [stderr]      |
[INFO] [stderr] 1289 |         let object_name_str = try!(CString::new(read_op.object_name.clone()));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1308:31
[INFO] [stderr]      |
[INFO] [stderr] 1308 |         let object_name_str = try!(CString::new(write_op.object_name.clone()));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1336:31
[INFO] [stderr]      |
[INFO] [stderr] 1336 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1337:29
[INFO] [stderr]      |
[INFO] [stderr] 1337 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1338:31
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1339:31
[INFO] [stderr]      |
[INFO] [stderr] 1339 |         let description_str = try!(CString::new(description));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1370:31
[INFO] [stderr]      |
[INFO] [stderr] 1370 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1371:29
[INFO] [stderr]      |
[INFO] [stderr] 1371 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1372:31
[INFO] [stderr]      |
[INFO] [stderr] 1372 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1373:31
[INFO] [stderr]      |
[INFO] [stderr] 1373 |         let description_str = try!(CString::new(description));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1374:28
[INFO] [stderr]      |
[INFO] [stderr] 1374 |         let tag_name_str = try!(CString::new(tag_name));
[INFO] [stderr]      |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1397:31
[INFO] [stderr]      |
[INFO] [stderr] 1397 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1398:29
[INFO] [stderr]      |
[INFO] [stderr] 1398 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1399:31
[INFO] [stderr]      |
[INFO] [stderr] 1399 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1455:31
[INFO] [stderr]      |
[INFO] [stderr] 1455 |         let object_name_str = try!(CString::new(object_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1456:29
[INFO] [stderr]      |
[INFO] [stderr] 1456 |         let lock_name_str = try!(CString::new(lock_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1457:31
[INFO] [stderr]      |
[INFO] [stderr] 1457 |         let cookie_name_str = try!(CString::new(cookie_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1458:31
[INFO] [stderr]      |
[INFO] [stderr] 1458 |         let client_name_str = try!(CString::new(client_name));
[INFO] [stderr]      |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1479:30
[INFO] [stderr]      |
[INFO] [stderr] 1479 |         let client_address = try!(CString::new(client.to_string()));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1532:24
[INFO] [stderr]      |
[INFO] [stderr] 1532 |             let read = try!(cursor.read_until(0x00, &mut string_buf));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1553:29
[INFO] [stderr]      |
[INFO] [stderr] 1553 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1568:29
[INFO] [stderr]      |
[INFO] [stderr] 1568 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1582:29
[INFO] [stderr]      |
[INFO] [stderr] 1582 |         let pool_name_str = try!(CString::new(pool_name));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1692:26
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         let mon_id_str = try!(CString::new(mon_id));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ceph.rs:1695:23
[INFO] [stderr]      |
[INFO] [stderr] 1695 |         let out_str = try!(CString::new(out_buffer));
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / bitflags! {
[INFO] [stderr] 46 | |     pub flags AllocFlags: u32 {
[INFO] [stderr] 47 | |         const LIBRADOS_OP_FLAG_EXCL = 1,
[INFO] [stderr] 48 | |         const LIBRADOS_OP_FLAG_FAILOK = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / bitflags! {
[INFO] [stderr] 46 | |     pub flags AllocFlags: u32 {
[INFO] [stderr] 47 | |         const LIBRADOS_OP_FLAG_EXCL = 1,
[INFO] [stderr] 48 | |         const LIBRADOS_OP_FLAG_FAILOK = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / bitflags! {
[INFO] [stderr] 64 | |     pub flags XattrFlags: u32 {
[INFO] [stderr] 65 | |         const LIBRADOS_CMPXATTR_OP_EQ = 1,
[INFO] [stderr] 66 | |         const LIBRADOS_CMPXATTR_OP_NE = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / bitflags! {
[INFO] [stderr] 64 | |     pub flags XattrFlags: u32 {
[INFO] [stderr] 65 | |         const LIBRADOS_CMPXATTR_OP_EQ = 1,
[INFO] [stderr] 66 | |         const LIBRADOS_CMPXATTR_OP_NE = 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | / bitflags! {
[INFO] [stderr] 83 | |     pub flags OperationFlags: u32 {
[INFO] [stderr] 84 | |         const LIBRADOS_OPERATION_NOFLAG= 0,
[INFO] [stderr] 85 | |         const LIBRADOS_OPERATION_BALANCE_READS= 1,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |     }
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rados.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | / bitflags! {
[INFO] [stderr] 83 | |     pub flags OperationFlags: u32 {
[INFO] [stderr] 84 | |         const LIBRADOS_OPERATION_NOFLAG= 0,
[INFO] [stderr] 85 | |         const LIBRADOS_OPERATION_BALANCE_READS= 1,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |     }
[INFO] [stderr] 92 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let output = try!(Command::new("sh").arg("-c").arg(cmd_line).output());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `"docker" "inspect" "432fd4258bb00a40aebcb75df6cf45369467f012ed56127dea3a53a2eb828a91"`
[INFO] running `"docker" "rm" "-f" "432fd4258bb00a40aebcb75df6cf45369467f012ed56127dea3a53a2eb828a91"`
[INFO] [stdout] 432fd4258bb00a40aebcb75df6cf45369467f012ed56127dea3a53a2eb828a91