[INFO] updating cached repository https://github.com/jmquigs/greycrypt
[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] f0d38991b08e9bdefbd5b246bf5c81d677126993
[INFO] checking jmquigs/greycrypt against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmquigs%2Fgreycrypt" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmquigs/greycrypt 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/jmquigs/greycrypt
[INFO] finished tweaking git repo https://github.com/jmquigs/greycrypt
[INFO] tweaked toml for git repo https://github.com/jmquigs/greycrypt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jmquigs/greycrypt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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] bb90c3c9cf988f726574d5eee81988072d3773e1003dce6e1d044a61f962e773
[INFO] running `"docker" "start" "-a" "bb90c3c9cf988f726574d5eee81988072d3773e1003dce6e1d044a61f962e773"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking unix_socket v0.4.6
[INFO] [stderr]     Checking nix v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking inotify v0.2.3
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking notify v2.6.3
[INFO] [stderr]     Checking grey_crypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for entry in try!(fs::read_dir(dir)) {
[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/util.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let entry = try!(entry);
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(visit_dirs(&entry.path(), file_cb));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:221:14
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let md = try!(metadata(&path));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:269:16
[INFO] [stderr]     |
[INFO] [stderr] 269 |     let attr = try!(fs::metadata(fpath));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:277:17
[INFO] [stderr]     |
[INFO] [stderr] 277 |     let mut f = try!(File::open(fpath));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:278:18
[INFO] [stderr]     |
[INFO] [stderr] 278 |     let nbytes = try!(f.read(&mut buf));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut sf = try!(SyncFile::from_syncfile(conf,&pb));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(sf.decrypt_to_writer(conf, data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:206:30
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let (syncid,_,_,_) = try!(SyncFile::read_and_verify_header(&fin, &key));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(writeln!(buf, "{}", l));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:236:21
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let lines = try!( SyncFile::read_top_lines(&fin,5) );
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         try!(SyncFile::verify_header_hmac(key, &header_hmac, &header_lines));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |         try!(writeln!(v, "ver: {}", md_format_ver));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         try!(writeln!(v, "kw: {}", self.keyword));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |         try!(writeln!(v, "relpath: {}", self.relpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |         try!(writeln!(v, "revguid: {}", self.revguid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 472 |         try!(writeln!(v, "is_binary: {}", self.is_binary));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:473:9
[INFO] [stderr]     |
[INFO] [stderr] 473 |         try!(writeln!(v, "is_deleted: {}", self.is_deleted));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         try!(writeln!(v, "origin_native_mtime: {}", mtime));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |         try!(writeln!(v, "origin_host: {}", conf.host_name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:523:38
[INFO] [stderr]     |
[INFO] [stderr] 523 | ...                   Ok(d) => try!(out.write_all(&d))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:568:13
[INFO] [stderr]     |
[INFO] [stderr] 568 |             try!(self.decrypt_helper(conf,&mut temp_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:574:13
[INFO] [stderr]     |
[INFO] [stderr] 574 |             try!(out.write_all(&temp_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:624:9
[INFO] [stderr]     |
[INFO] [stderr] 624 |         try!(rename(tmp_outpath, outpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:681:9
[INFO] [stderr]     |
[INFO] [stderr] 681 |         try!(writeln!(out, "{}", sid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:684:9
[INFO] [stderr]     |
[INFO] [stderr] 684 |         try!(writeln!(out, "{}", iv.to_base64(STANDARD)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:687:9
[INFO] [stderr]     |
[INFO] [stderr] 687 |         try!(self.pack_metadata(conf, &mut v));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:706:9
[INFO] [stderr]     |
[INFO] [stderr] 706 |         try!(writeln!(out, "{}", crypto_util::hmac_to_vec(&mut hmac).to_base64(STANDARD)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:713:24
[INFO] [stderr]     |
[INFO] [stderr] 713 |         let (iv,key) = try!(self.get_iv_and_key(conf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:715:38
[INFO] [stderr]     |
[INFO] [stderr] 715 |         let (sid,outname,mut fout) = try!(self.open_output_syncfile(conf,override_path));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:727:9
[INFO] [stderr]     |
[INFO] [stderr] 727 |         try!(fout.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:728:9
[INFO] [stderr]     |
[INFO] [stderr] 728 |         try!(writeln!(fout, "{}", header_hmac));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:729:9
[INFO] [stderr]     |
[INFO] [stderr] 729 |         try!(fout.write_all(&temp));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:746:24
[INFO] [stderr]     |
[INFO] [stderr] 746 |         let (iv,key) = try!(self.get_iv_and_key(conf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:747:38
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let (sid,outname,mut fout) = try!(self.open_output_syncfile(conf,override_path));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:758:9
[INFO] [stderr]     |
[INFO] [stderr] 758 |         try!(writeln!(fout, "{}", d));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:759:9
[INFO] [stderr]     |
[INFO] [stderr] 759 |         try!(fout.write_all(&headerbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:762:31
[INFO] [stderr]     |
[INFO] [stderr] 762 |         let orig_header_end = try!(fout.seek(SeekFrom::Current(0)));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:776:32
[INFO] [stderr]     |
[INFO] [stderr] 776 |                 let num_read = try!(input_data.read(buf));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:782:30
[INFO] [stderr]     |
[INFO] [stderr] 782 |                     Ok(d) => try!(fout.write_all(&d))
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:795:13
[INFO] [stderr]     |
[INFO] [stderr] 795 |             try!(input_data.read_to_end(&mut line_bytes));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:807:26
[INFO] [stderr]     |
[INFO] [stderr] 807 |                 Ok(d) => try!(fout.write_all(&d))
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:822:17
[INFO] [stderr]     |
[INFO] [stderr] 822 |                 try!(writeln!(headerbuf, "{}", l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:824:13
[INFO] [stderr]     |
[INFO] [stderr] 824 |             try!(writeln!(headerbuf, "{}", crypto_util::hmac_to_vec(&mut crypto.encrypt_hmac).to_base64(STANDARD)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:833:9
[INFO] [stderr]     |
[INFO] [stderr] 833 |         try!(fout.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:834:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |         try!(writeln!(fout, "{}", header_hmac));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |         try!(fout.write_all(&headerbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:837:26
[INFO] [stderr]     |
[INFO] [stderr] 837 |         let header_end = try!(fout.seek(SeekFrom::Current(0)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto_util.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result = try!(self.encryptor.encrypt(&mut read_buffer, &mut write_buffer, is_all_data));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto_util.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let result = try!(self.decryptor.decrypt(&mut read_buffer, &mut write_buffer, is_all_data));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn visit_dirs(dir: &Path, file_cb: &mut FnMut(&PathBuf)) -> io::Result<()> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&PathBuf)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncfile.rs:492:69
[INFO] [stderr]     |
[INFO] [stderr] 492 |     fn decrypt_helper(&mut self, conf:&config::SyncConfig, out:&mut Write) -> Result<()> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncfile.rs:560:76
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn decrypt_to_writer(&mut self, conf:&config::SyncConfig, out:&mut Write) -> Result<()> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto_util.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |     encryptor: Box<crypto::symmetriccipher::Encryptor>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn crypto::symmetriccipher::Encryptor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto_util.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     decryptor: Box<crypto::symmetriccipher::Decryptor>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn crypto::symmetriccipher::Decryptor`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/core.rs:936:45
[INFO] [stderr]     |
[INFO] [stderr] 936 |         core::do_sync(&mut bob_mconf.state);;
[INFO] [stderr]     |                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nix::fcntl::FcntlArg::F_SETLK`
[INFO] [stderr]  --> src/process_mutex.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::nix::fcntl::FcntlArg::F_SETLK;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nix::unistd`
[INFO] [stderr]   --> src/process_mutex.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::nix::unistd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for entry in try!(fs::read_dir(dir)) {
[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/util.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let entry = try!(entry);
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(visit_dirs(&entry.path(), file_cb));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:221:14
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let md = try!(metadata(&path));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:269:16
[INFO] [stderr]     |
[INFO] [stderr] 269 |     let attr = try!(fs::metadata(fpath));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:277:17
[INFO] [stderr]     |
[INFO] [stderr] 277 |     let mut f = try!(File::open(fpath));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:278:18
[INFO] [stderr]     |
[INFO] [stderr] 278 |     let nbytes = try!(f.read(&mut buf));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut sf = try!(SyncFile::from_syncfile(conf,&pb));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(sf.decrypt_to_writer(conf, data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:206:30
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let (syncid,_,_,_) = try!(SyncFile::read_and_verify_header(&fin, &key));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(writeln!(buf, "{}", l));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:236:21
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let lines = try!( SyncFile::read_top_lines(&fin,5) );
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         try!(SyncFile::verify_header_hmac(key, &header_hmac, &header_lines));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |         try!(writeln!(v, "ver: {}", md_format_ver));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         try!(writeln!(v, "kw: {}", self.keyword));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |         try!(writeln!(v, "relpath: {}", self.relpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |         try!(writeln!(v, "revguid: {}", self.revguid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 472 |         try!(writeln!(v, "is_binary: {}", self.is_binary));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:473:9
[INFO] [stderr]     |
[INFO] [stderr] 473 |         try!(writeln!(v, "is_deleted: {}", self.is_deleted));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:486:9
[INFO] [stderr]     |
[INFO] [stderr] 486 |         try!(writeln!(v, "origin_native_mtime: {}", mtime));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |         try!(writeln!(v, "origin_host: {}", conf.host_name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:523:38
[INFO] [stderr]     |
[INFO] [stderr] 523 | ...                   Ok(d) => try!(out.write_all(&d))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:568:13
[INFO] [stderr]     |
[INFO] [stderr] 568 |             try!(self.decrypt_helper(conf,&mut temp_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:574:13
[INFO] [stderr]     |
[INFO] [stderr] 574 |             try!(out.write_all(&temp_out));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:624:9
[INFO] [stderr]     |
[INFO] [stderr] 624 |         try!(rename(tmp_outpath, outpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:681:9
[INFO] [stderr]     |
[INFO] [stderr] 681 |         try!(writeln!(out, "{}", sid));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:684:9
[INFO] [stderr]     |
[INFO] [stderr] 684 |         try!(writeln!(out, "{}", iv.to_base64(STANDARD)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:687:9
[INFO] [stderr]     |
[INFO] [stderr] 687 |         try!(self.pack_metadata(conf, &mut v));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:706:9
[INFO] [stderr]     |
[INFO] [stderr] 706 |         try!(writeln!(out, "{}", crypto_util::hmac_to_vec(&mut hmac).to_base64(STANDARD)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:713:24
[INFO] [stderr]     |
[INFO] [stderr] 713 |         let (iv,key) = try!(self.get_iv_and_key(conf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:715:38
[INFO] [stderr]     |
[INFO] [stderr] 715 |         let (sid,outname,mut fout) = try!(self.open_output_syncfile(conf,override_path));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:727:9
[INFO] [stderr]     |
[INFO] [stderr] 727 |         try!(fout.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:728:9
[INFO] [stderr]     |
[INFO] [stderr] 728 |         try!(writeln!(fout, "{}", header_hmac));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:729:9
[INFO] [stderr]     |
[INFO] [stderr] 729 |         try!(fout.write_all(&temp));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:746:24
[INFO] [stderr]     |
[INFO] [stderr] 746 |         let (iv,key) = try!(self.get_iv_and_key(conf));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:747:38
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let (sid,outname,mut fout) = try!(self.open_output_syncfile(conf,override_path));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:758:9
[INFO] [stderr]     |
[INFO] [stderr] 758 |         try!(writeln!(fout, "{}", d));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:759:9
[INFO] [stderr]     |
[INFO] [stderr] 759 |         try!(fout.write_all(&headerbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:762:31
[INFO] [stderr]     |
[INFO] [stderr] 762 |         let orig_header_end = try!(fout.seek(SeekFrom::Current(0)));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:776:32
[INFO] [stderr]     |
[INFO] [stderr] 776 |                 let num_read = try!(input_data.read(buf));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:782:30
[INFO] [stderr]     |
[INFO] [stderr] 782 |                     Ok(d) => try!(fout.write_all(&d))
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:795:13
[INFO] [stderr]     |
[INFO] [stderr] 795 |             try!(input_data.read_to_end(&mut line_bytes));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:807:26
[INFO] [stderr]     |
[INFO] [stderr] 807 |                 Ok(d) => try!(fout.write_all(&d))
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:822:17
[INFO] [stderr]     |
[INFO] [stderr] 822 |                 try!(writeln!(headerbuf, "{}", l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:824:13
[INFO] [stderr]     |
[INFO] [stderr] 824 |             try!(writeln!(headerbuf, "{}", crypto_util::hmac_to_vec(&mut crypto.encrypt_hmac).to_base64(STANDARD)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:833:9
[INFO] [stderr]     |
[INFO] [stderr] 833 |         try!(fout.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:834:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |         try!(writeln!(fout, "{}", header_hmac));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |         try!(fout.write_all(&headerbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/syncfile.rs:837:26
[INFO] [stderr]     |
[INFO] [stderr] 837 |         let header_end = try!(fout.seek(SeekFrom::Current(0)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto_util.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result = try!(self.encryptor.encrypt(&mut read_buffer, &mut write_buffer, is_all_data));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto_util.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let result = try!(self.decryptor.decrypt(&mut read_buffer, &mut write_buffer, is_all_data));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn visit_dirs(dir: &Path, file_cb: &mut FnMut(&PathBuf)) -> io::Result<()> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&PathBuf)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncfile.rs:492:69
[INFO] [stderr]     |
[INFO] [stderr] 492 |     fn decrypt_helper(&mut self, conf:&config::SyncConfig, out:&mut Write) -> Result<()> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncfile.rs:560:76
[INFO] [stderr]     |
[INFO] [stderr] 560 |     pub fn decrypt_to_writer(&mut self, conf:&config::SyncConfig, out:&mut Write) -> Result<()> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto_util.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |     encryptor: Box<crypto::symmetriccipher::Encryptor>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn crypto::symmetriccipher::Encryptor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto_util.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     decryptor: Box<crypto::symmetriccipher::Decryptor>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn crypto::symmetriccipher::Decryptor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nix::fcntl::FcntlArg::F_SETLK`
[INFO] [stderr]  --> src/process_mutex.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::nix::fcntl::FcntlArg::F_SETLK;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::nix::unistd`
[INFO] [stderr]   --> src/process_mutex.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::nix::unistd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/testlib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     lazy_static! {
[INFO] [stderr] 11 | |         pub static ref LOCK: Mutex<()> = Mutex::new(());
[INFO] [stderr] 12 | |     }    
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/syncfile.rs:773:17
[INFO] [stderr]     |
[INFO] [stderr] 773 |             let mut buf = &mut v;
[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/crypto_util.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut first = &mut iv[0 .. IV_SIZE/2];
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/crypto_util.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut second = &mut iv[IV_SIZE/2 .. IV_SIZE];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/syncfile.rs:773:17
[INFO] [stderr]     |
[INFO] [stderr] 773 |             let mut buf = &mut v;
[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/crypto_util.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut first = &mut iv[0 .. IV_SIZE/2];
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/crypto_util.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut second = &mut iv[IV_SIZE/2 .. IV_SIZE];
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/syncdb.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |             let mut syncdb:&mut syncdb::SyncDb = &mut syncdb;
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `"docker" "inspect" "bb90c3c9cf988f726574d5eee81988072d3773e1003dce6e1d044a61f962e773"`
[INFO] running `"docker" "rm" "-f" "bb90c3c9cf988f726574d5eee81988072d3773e1003dce6e1d044a61f962e773"`
[INFO] [stdout] bb90c3c9cf988f726574d5eee81988072d3773e1003dce6e1d044a61f962e773