[INFO] updating cached repository https://github.com/pedrocr/syncer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24d70fd452aa6b1463090f8c81178f736cd80739
[INFO] checking pedrocr/syncer against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pedrocr/syncer on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pedrocr/syncer
[INFO] finished tweaking git repo https://github.com/pedrocr/syncer
[INFO] tweaked toml for git repo https://github.com/pedrocr/syncer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pedrocr/syncer already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 75f14c792da581ceaef6d4437568f46babad2d17eb53348ed02083c6f457c0ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "75f14c792da581ceaef6d4437568f46babad2d17eb53348ed02083c6f457c0ad"`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]     Checking fuse_mt v0.4.4
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking syncer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |     self.children.insert(try!(from_os_str(name)), node);
[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/filesystem/entry.rs:185:33
[INFO] [stderr]     |
[INFO] [stderr] 185 |     match self.children.remove(&try!(from_os_str(name))) {
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:210:7
[INFO] [stderr]     |
[INFO] [stderr] 210 |       try!(bs.write(node, i, block, boffset, &data[written..written+bsize], readahead));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:237:53
[INFO] [stderr]     |
[INFO] [stderr] 237 |       data[written..written+bsize].copy_from_slice(&try!(bs.read(node, i, block, boffset, bsize, readahead)));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     if !try!(fs.backing.node_exists((0,0))) {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:50:7
[INFO] [stderr]    |
[INFO] [stderr] 50 |       try!(fs.backing.save_node((0,0), root));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |     self.with_node(try!(self.find_node(path)), closure)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let entry = try!(self.backing.get_node(node));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |     self.modify_node(try!(self.find_node(path)), false, closure)
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut entry = try!(self.backing.get_node(node));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:119:7
[INFO] [stderr]     |
[INFO] [stderr] 119 |       try!(self.backing.save_node_cached(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:121:7
[INFO] [stderr]     |
[INFO] [stderr] 121 |       try!(self.backing.save_node(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |       let node = try!(self.backing.get_node(nodenum));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:132:32
[INFO] [stderr]     |
[INFO] [stderr] 132 |       match node.children.get(&try!(from_os_str(elem))) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:154:7
[INFO] [stderr]     |
[INFO] [stderr] 154 |       try!(self.backing.sync_node(handle.node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:173:16
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let node = try!(self.find_node(path));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let attrs = try!(self.with_path_optional_handle(path, fh, &(|entry, _| entry.attrs())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let children = try!(self.with_handle(fh, &(|node, _| node.children())));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:226:16
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::RegularFile))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:242:10
[INFO] [stderr]     |
[INFO] [stderr] 242 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::RegularFile))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Directory))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:257:10
[INFO] [stderr]     |
[INFO] [stderr] 257 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Directory))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:262:16
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:264:16
[INFO] [stderr]     |
[INFO] [stderr] 264 |     let blob = try!(self.backing.add_blob(&data));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:275:19
[INFO] [stderr]     |
[INFO] [stderr] 275 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Symlink))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:276:10
[INFO] [stderr]     |
[INFO] [stderr] 276 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Symlink))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |     let childnode = try!(self.find_node(path));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:282:19
[INFO] [stderr]     |
[INFO] [stderr] 282 |     let dirnode = try!(self.find_node(newparent));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |     let childnodeinfo = try!(self.with_node(childnode, &(|entry, _| {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     try!(try!(self.modify_node(dirnode, false, &(|parent, _| parent.add_child(newname, (childnode, childnodeinfo.1))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:286:10
[INFO] [stderr]     |
[INFO] [stderr] 286 |     try!(try!(self.modify_node(dirnode, false, &(|parent, _| parent.add_child(newname, (childnode, childnodeinfo.1))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     try!(self.modify_handle(fh, true, &(|entry, node| entry.write(node, &self.backing, offset, &data))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:301:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     try!(self.with_handle(fh, &(|entry, node| entry.read(node, &self.backing, offset, size))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     try!(self.with_path(path, &(|entry, node| entry.read(node, &self.backing, 0, BLKSIZE as u32))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     try!(try!(self.with_path(&path, &(|dir, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:312:10
[INFO] [stderr]     |
[INFO] [stderr] 312 |     try!(try!(self.with_path(&path, &(|dir, _| {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     try!(try!(self.modify_path(parent, &(|parent, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:316:10
[INFO] [stderr]     |
[INFO] [stderr] 316 |     try!(try!(self.modify_path(parent, &(|parent, _| {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:323:10
[INFO] [stderr]     |
[INFO] [stderr] 323 |     try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:328:16
[INFO] [stderr]     |
[INFO] [stderr] 328 |     let node = try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:328:21
[INFO] [stderr]     |
[INFO] [stderr] 328 |     let node = try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     try!(try!(self.modify_path(newparent, &(|newparent, _| newparent.add_child(newname, node)))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:329:10
[INFO] [stderr]     |
[INFO] [stderr] 329 |     try!(try!(self.modify_path(newparent, &(|newparent, _| newparent.add_child(newname, node)))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     try!(self.with_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:348:22
[INFO] [stderr]     |
[INFO] [stderr] 348 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     try!(self.with_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     try!(self.modify_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:382:22
[INFO] [stderr]     |
[INFO] [stderr] 382 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     try!(self.modify_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:403:22
[INFO] [stderr]     |
[INFO] [stderr] 403 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     try!(self.with_handle(fh, &(|_, node| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:413:7
[INFO] [stderr]     |
[INFO] [stderr] 413 |       try!(self.backing.sync_node(node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:414:7
[INFO] [stderr]     |
[INFO] [stderr] 414 |       try!(self.backing.fsync_node(node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let blob = try!(self.get_blob(hash, readahead));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let mut blob = try!(self.get_blob(hash, readahead));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:206:20
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let hash = try!(self.store_blob(blob));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:217:7
[INFO] [stderr]     |
[INFO] [stderr] 217 |       try!(self.fetch_from_server(hash));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:219:16
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let blob = try!(Blob::load(&file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     try!(blob.store(&file));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     try!(self.store_blob(blob));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:256:16
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let hash = try!(self.add_blob(&encoded));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:257:8
[INFO] [stderr]     |
[INFO] [stderr] 257 |     if try!(self.metadata.node_exists_long(node, &hash, entry.timeval())) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |     if !try!(self.metadata.node_exists(node)) {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:263:7
[INFO] [stderr]     |
[INFO] [stderr] 263 |       try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |     let (hash2, buffer) = try!(self.read_node(node));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |         try!(self.metadata.set_node_behind(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:288:20
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let base = try!(self.read_earlier_node(node, entry));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:291:20
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let hash = try!(self.add_blob(&encoded));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         try!(self.metadata.set_node(node, &hash, merged.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:299:16
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let hash = try!(self.metadata.get_node(node));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:300:16
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let blob = try!(self.get_blob(&hash, &[]));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:307:25
[INFO] [stderr]     |
[INFO] [stderr] 307 |       let (row, hash) = try!(self.metadata.get_earlier_node(node, maxrowid));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:309:18
[INFO] [stderr]     |
[INFO] [stderr] 309 |       let blob = try!(self.get_blob(&hash, &[]));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:331:7
[INFO] [stderr]     |
[INFO] [stderr] 331 |       try!(self.upload_to_server(&hashes));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 |     try!(cmd.run());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let bs = try!(BlobStorage::new(&config.peerid, path, &config.server, config.maxbytes));
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let nodecount = try!(bs.max_node(config.peernum())) + 1;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     try!(out.add_blob(&[0]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(self.save_node(node, entry));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let (_, entry) = try!(self.fetch_node(node));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let (hash, buffer) = try!(self.blobs.read_node(node));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:103:15
[INFO] [stderr]     |
[INFO] [stderr] 103 |       None => try!(self.blobs.node_exists(node)),
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     for (i, hash) in try!(self.blobs.sync_node(node)) {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     try!(self.save_node(node, entry));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:126:7
[INFO] [stderr]     |
[INFO] [stderr] 126 |       try!(self.sync_one_node(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let (hash, entry) = try!(self.fetch_node(node));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     try!(self.blobs.fsync_file(&hash));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:150:7
[INFO] [stderr]     |
[INFO] [stderr] 150 |       try!(self.blobs.fsync_file(&hash));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     try!(self.blobs.init_server());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     try!(self.sync_all());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     try!(self.do_uploads());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     try!(self.do_uploads_nodes());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:129:3
[INFO] [stderr]     |
[INFO] [stderr] 129 |   try!(bs.do_downloads_nodes());
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:150:3
[INFO] [stderr]     |
[INFO] [stderr] 150 |   try!(bs.init_server());
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |     self.children.insert(try!(from_os_str(name)), node);
[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/filesystem/entry.rs:185:33
[INFO] [stderr]     |
[INFO] [stderr] 185 |     match self.children.remove(&try!(from_os_str(name))) {
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:210:7
[INFO] [stderr]     |
[INFO] [stderr] 210 |       try!(bs.write(node, i, block, boffset, &data[written..written+bsize], readahead));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/entry.rs:237:53
[INFO] [stderr]     |
[INFO] [stderr] 237 |       data[written..written+bsize].copy_from_slice(&try!(bs.read(node, i, block, boffset, bsize, readahead)));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     if !try!(fs.backing.node_exists((0,0))) {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:50:7
[INFO] [stderr]    |
[INFO] [stderr] 50 |       try!(fs.backing.save_node((0,0), root));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |     self.with_node(try!(self.find_node(path)), closure)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let entry = try!(self.backing.get_node(node));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem/mod.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |     self.modify_node(try!(self.find_node(path)), false, closure)
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut entry = try!(self.backing.get_node(node));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:119:7
[INFO] [stderr]     |
[INFO] [stderr] 119 |       try!(self.backing.save_node_cached(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:121:7
[INFO] [stderr]     |
[INFO] [stderr] 121 |       try!(self.backing.save_node(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |       let node = try!(self.backing.get_node(nodenum));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:132:32
[INFO] [stderr]     |
[INFO] [stderr] 132 |       match node.children.get(&try!(from_os_str(elem))) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:154:7
[INFO] [stderr]     |
[INFO] [stderr] 154 |       try!(self.backing.sync_node(handle.node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:173:16
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let node = try!(self.find_node(path));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let attrs = try!(self.with_path_optional_handle(path, fh, &(|entry, _| entry.attrs())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let children = try!(self.with_handle(fh, &(|node, _| node.children())));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:226:16
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::RegularFile))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:242:10
[INFO] [stderr]     |
[INFO] [stderr] 242 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::RegularFile))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Directory))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:257:10
[INFO] [stderr]     |
[INFO] [stderr] 257 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Directory))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:262:16
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let node = try!(self.find_node(parent));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:264:16
[INFO] [stderr]     |
[INFO] [stderr] 264 |     let blob = try!(self.backing.add_blob(&data));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let entry = try!(self.with_node(node, &(|parent, _| {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:275:19
[INFO] [stderr]     |
[INFO] [stderr] 275 |     let newnode = try!(self.backing.create_node(entry));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Symlink))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:276:10
[INFO] [stderr]     |
[INFO] [stderr] 276 |     try!(try!(self.modify_node(node, false, &(|parent, _| parent.add_child(name, (newnode, FileTypeDef::Symlink))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |     let childnode = try!(self.find_node(path));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:282:19
[INFO] [stderr]     |
[INFO] [stderr] 282 |     let dirnode = try!(self.find_node(newparent));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |     let childnodeinfo = try!(self.with_node(childnode, &(|entry, _| {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     try!(try!(self.modify_node(dirnode, false, &(|parent, _| parent.add_child(newname, (childnode, childnodeinfo.1))))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:286:10
[INFO] [stderr]     |
[INFO] [stderr] 286 |     try!(try!(self.modify_node(dirnode, false, &(|parent, _| parent.add_child(newname, (childnode, childnodeinfo.1))))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     try!(self.modify_handle(fh, true, &(|entry, node| entry.write(node, &self.backing, offset, &data))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:301:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     try!(self.with_handle(fh, &(|entry, node| entry.read(node, &self.backing, offset, size))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     try!(self.with_path(path, &(|entry, node| entry.read(node, &self.backing, 0, BLKSIZE as u32))))
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     try!(try!(self.with_path(&path, &(|dir, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:312:10
[INFO] [stderr]     |
[INFO] [stderr] 312 |     try!(try!(self.with_path(&path, &(|dir, _| {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     try!(try!(self.modify_path(parent, &(|parent, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:316:10
[INFO] [stderr]     |
[INFO] [stderr] 316 |     try!(try!(self.modify_path(parent, &(|parent, _| {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:323:10
[INFO] [stderr]     |
[INFO] [stderr] 323 |     try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:328:16
[INFO] [stderr]     |
[INFO] [stderr] 328 |     let node = try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:328:21
[INFO] [stderr]     |
[INFO] [stderr] 328 |     let node = try!(try!(self.modify_path(parent, &(|parent, _| parent.remove_child(name)))));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     try!(try!(self.modify_path(newparent, &(|newparent, _| newparent.add_child(newname, node)))));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:329:10
[INFO] [stderr]     |
[INFO] [stderr] 329 |     try!(try!(self.modify_path(newparent, &(|newparent, _| newparent.add_child(newname, node)))));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     try!(self.with_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:348:22
[INFO] [stderr]     |
[INFO] [stderr] 348 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     try!(self.with_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 |     try!(self.modify_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:382:22
[INFO] [stderr]     |
[INFO] [stderr] 382 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     try!(self.modify_path(path, &|entry, _| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:403:22
[INFO] [stderr]     |
[INFO] [stderr] 403 |       let attrname = try!(from_os_str(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     try!(self.with_handle(fh, &(|_, node| {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:413:7
[INFO] [stderr]     |
[INFO] [stderr] 413 |       try!(self.backing.sync_node(node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filesystem/mod.rs:414:7
[INFO] [stderr]     |
[INFO] [stderr] 414 |       try!(self.backing.fsync_node(node));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let blob = try!(self.get_blob(hash, readahead));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let mut blob = try!(self.get_blob(hash, readahead));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:206:20
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let hash = try!(self.store_blob(blob));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:217:7
[INFO] [stderr]     |
[INFO] [stderr] 217 |       try!(self.fetch_from_server(hash));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:219:16
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let blob = try!(Blob::load(&file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     try!(blob.store(&file));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     try!(self.store_blob(blob));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:256:16
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let hash = try!(self.add_blob(&encoded));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:257:8
[INFO] [stderr]     |
[INFO] [stderr] 257 |     if try!(self.metadata.node_exists_long(node, &hash, entry.timeval())) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |     if !try!(self.metadata.node_exists(node)) {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:263:7
[INFO] [stderr]     |
[INFO] [stderr] 263 |       try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:266:27
[INFO] [stderr]     |
[INFO] [stderr] 266 |     let (hash2, buffer) = try!(self.read_node(node));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |         try!(self.metadata.set_node_behind(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(self.metadata.set_node(node, &hash, entry.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:288:20
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let base = try!(self.read_earlier_node(node, entry));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:291:20
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let hash = try!(self.add_blob(&encoded));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         try!(self.metadata.set_node(node, &hash, merged.timeval()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:299:16
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let hash = try!(self.metadata.get_node(node));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:300:16
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let blob = try!(self.get_blob(&hash, &[]));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:307:25
[INFO] [stderr]     |
[INFO] [stderr] 307 |       let (row, hash) = try!(self.metadata.get_earlier_node(node, maxrowid));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:309:18
[INFO] [stderr]     |
[INFO] [stderr] 309 |       let blob = try!(self.get_blob(&hash, &[]));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:331:7
[INFO] [stderr]     |
[INFO] [stderr] 331 |       try!(self.upload_to_server(&hashes));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:400:5
[INFO] [stderr]     |
[INFO] [stderr] 400 |     try!(cmd.run());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let bs = try!(BlobStorage::new(&config.peerid, path, &config.server, config.maxbytes));
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let nodecount = try!(bs.max_node(config.peernum())) + 1;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     try!(out.add_blob(&[0]));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     try!(self.save_node(node, entry));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let (_, entry) = try!(self.fetch_node(node));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/backingstore/mod.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let (hash, buffer) = try!(self.blobs.read_node(node));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:103:15
[INFO] [stderr]     |
[INFO] [stderr] 103 |       None => try!(self.blobs.node_exists(node)),
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     for (i, hash) in try!(self.blobs.sync_node(node)) {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     try!(self.save_node(node, entry));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:126:7
[INFO] [stderr]     |
[INFO] [stderr] 126 |       try!(self.sync_one_node(node, entry));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let (hash, entry) = try!(self.fetch_node(node));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     try!(self.blobs.fsync_file(&hash));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:150:7
[INFO] [stderr]     |
[INFO] [stderr] 150 |       try!(self.blobs.fsync_file(&hash));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     try!(self.blobs.init_server());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     try!(self.sync_all());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     try!(self.do_uploads());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/backingstore/mod.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     try!(self.do_uploads_nodes());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:129:3
[INFO] [stderr]     |
[INFO] [stderr] 129 |   try!(bs.do_downloads_nodes());
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:150:3
[INFO] [stderr]     |
[INFO] [stderr] 150 |   try!(bs.init_server());
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if let Some(mut blob) = blocks.get_mut(&block) {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backingstore/blobstorage.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         if let Some(mut blob) = blocks.get_mut(&block) {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "75f14c792da581ceaef6d4437568f46babad2d17eb53348ed02083c6f457c0ad"`
[INFO] running `"docker" "rm" "-f" "75f14c792da581ceaef6d4437568f46babad2d17eb53348ed02083c6f457c0ad"`
[INFO] [stdout] 75f14c792da581ceaef6d4437568f46babad2d17eb53348ed02083c6f457c0ad