[INFO] cloning repository https://github.com/jamespharaoh/btrfs-dedupe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamespharaoh/btrfs-dedupe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72c6a301d20f935827b994db210bf0a1e121273a
[INFO] checking jamespharaoh/btrfs-dedupe against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamespharaoh/btrfs-dedupe 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/jamespharaoh/btrfs-dedupe
[INFO] finished tweaking git repo https://github.com/jamespharaoh/btrfs-dedupe
[INFO] tweaked toml for git repo https://github.com/jamespharaoh/btrfs-dedupe written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jamespharaoh/btrfs-dedupe 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 58cd6651f408fa09cd89e5392b74de9c44c1debddfc75c684f981d3d28a0b157
[INFO] running `"docker" "start" "-a" "58cd6651f408fa09cd89e5392b74de9c44c1debddfc75c684f981d3d28a0b157"`
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling typenum v1.5.1
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking byte-tools v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking ioctl v0.3.3
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking minilzo v0.1.0
[INFO] [stderr]     Checking output v0.4.1
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking btrfs v1.2.1
[INFO] [stderr]     Checking generic-array v0.6.0
[INFO] [stderr]     Checking digest-buffer v0.2.0
[INFO] [stderr]     Checking digest v0.4.0
[INFO] [stderr]     Checking sha2 v0.4.0
[INFO] [stderr]    Compiling syntex_pos v0.52.0
[INFO] [stderr]     Checking serde_json v0.8.4
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling syntex_errors v0.52.0
[INFO] [stderr]    Compiling syntex_syntax v0.52.0
[INFO] [stderr]    Compiling syntex v0.52.0
[INFO] [stderr]    Compiling serde_codegen v0.8.21
[INFO] [stderr]    Compiling btrfs-dedupe v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let database_file = try! (
[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/commands/dedupe_command.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut database_reader = try! (
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:193:22
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let database_file = try! (
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:213:2
[INFO] [stderr]     |
[INFO] [stderr] 213 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:217:22
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let database_file = try! (
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:231:2
[INFO] [stderr]     |
[INFO] [stderr] 231 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:245:2
[INFO] [stderr]     |
[INFO] [stderr] 245 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/commands/print_extents_command.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 |             try! (
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/arguments.rs:385:3
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try! (
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/database/file_database.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let input_line = try! (
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/database/file_database.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try! (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:207:25
[INFO] [stderr]     |
[INFO] [stderr] 207 |             let file_data_json = try! (
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:222:4
[INFO] [stderr]     |
[INFO] [stderr] 222 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:237:4
[INFO] [stderr]     |
[INFO] [stderr] 237 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                     try!(_serializer . serialize_struct (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:218:35
[INFO] [stderr]     |
[INFO] [stderr] 218 | ...                   match try!(visitor . visit :: < PathBuf > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:226:35
[INFO] [stderr]     |
[INFO] [stderr] 226 | ...                   match try!(visitor . visit :: < u64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:229:37
[INFO] [stderr]     |
[INFO] [stderr] 229 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 | ...                   match try!(visitor . visit :: < Option < String >
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:238:37
[INFO] [stderr]     |
[INFO] [stderr] 238 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:243:35
[INFO] [stderr]     |
[INFO] [stderr] 243 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:252:35
[INFO] [stderr]     |
[INFO] [stderr] 252 | ...                   match try!(visitor . visit :: < Option < String >
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:256:37
[INFO] [stderr]     |
[INFO] [stderr] 256 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:261:35
[INFO] [stderr]     |
[INFO] [stderr] 261 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:265:37
[INFO] [stderr]     |
[INFO] [stderr] 265 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:270:35
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:274:37
[INFO] [stderr]     |
[INFO] [stderr] 274 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:279:35
[INFO] [stderr]     |
[INFO] [stderr] 279 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:283:37
[INFO] [stderr]     |
[INFO] [stderr] 283 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:288:35
[INFO] [stderr]     |
[INFO] [stderr] 288 | ...                   match try!(visitor . visit :: < i64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:291:37
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:296:35
[INFO] [stderr]     |
[INFO] [stderr] 296 | ...                   match try!(visitor . visit :: < i64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:299:37
[INFO] [stderr]     |
[INFO] [stderr] 299 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:304:35
[INFO] [stderr]     |
[INFO] [stderr] 304 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:307:37
[INFO] [stderr]     |
[INFO] [stderr] 307 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:312:35
[INFO] [stderr]     |
[INFO] [stderr] 312 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:315:37
[INFO] [stderr]     |
[INFO] [stderr] 315 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:320:35
[INFO] [stderr]     |
[INFO] [stderr] 320 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:323:37
[INFO] [stderr]     |
[INFO] [stderr] 323 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:327:25
[INFO] [stderr]     |
[INFO] [stderr] 327 |                         try!(visitor . end (  ));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:360:35
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   try!(visitor . visit_key :: < __Field > (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:369:46
[INFO] [stderr]     |
[INFO] [stderr] 369 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:378:46
[INFO] [stderr]     |
[INFO] [stderr] 378 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:387:46
[INFO] [stderr]     |
[INFO] [stderr] 387 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:396:46
[INFO] [stderr]     |
[INFO] [stderr] 396 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:405:46
[INFO] [stderr]     |
[INFO] [stderr] 405 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:414:46
[INFO] [stderr]     |
[INFO] [stderr] 414 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:423:46
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:432:46
[INFO] [stderr]     |
[INFO] [stderr] 432 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:441:46
[INFO] [stderr]     |
[INFO] [stderr] 441 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:450:46
[INFO] [stderr]     |
[INFO] [stderr] 450 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:459:46
[INFO] [stderr]     |
[INFO] [stderr] 459 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:468:46
[INFO] [stderr]     |
[INFO] [stderr] 468 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:477:46
[INFO] [stderr]     |
[INFO] [stderr] 477 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:482:41
[INFO] [stderr]     |
[INFO] [stderr] 482 | ...                   try!(visitor . visit_value :: < _serde
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |                         try!(visitor . end (  ));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 | ...                   try!(visitor . missing_field ( "path" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:499:33
[INFO] [stderr]     |
[INFO] [stderr] 499 | ...                   try!(visitor . missing_field ( "size" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:505:33
[INFO] [stderr]     |
[INFO] [stderr] 505 | ...                   try!(visitor . missing_field ( "content_hash"
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:512:33
[INFO] [stderr]     |
[INFO] [stderr] 512 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:519:33
[INFO] [stderr]     |
[INFO] [stderr] 519 | ...                   try!(visitor . missing_field ( "extent_hash"
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:526:33
[INFO] [stderr]     |
[INFO] [stderr] 526 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:533:33
[INFO] [stderr]     |
[INFO] [stderr] 533 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:540:33
[INFO] [stderr]     |
[INFO] [stderr] 540 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:547:33
[INFO] [stderr]     |
[INFO] [stderr] 547 | ...                   try!(visitor . missing_field ( "mtime" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:553:33
[INFO] [stderr]     |
[INFO] [stderr] 553 | ...                   try!(visitor . missing_field ( "ctime" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:559:33
[INFO] [stderr]     |
[INFO] [stderr] 559 | ...                   try!(visitor . missing_field ( "mode" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:565:33
[INFO] [stderr]     |
[INFO] [stderr] 565 | ...                   try!(visitor . missing_field ( "uid" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:571:33
[INFO] [stderr]     |
[INFO] [stderr] 571 | ...                   try!(visitor . missing_field ( "gid" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/content_hasher.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operations/directory_scanner.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 try! (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:192:4
[INFO] [stderr]     |
[INFO] [stderr] 192 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 try! (
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 try! (
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database/file_database.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |         source: & mut Read,
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[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/database/file_database.rs:150:26
[INFO] [stderr]     |
[INFO] [stderr] 150 |         database_output: & mut Write,
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let database_file = try! (
[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/commands/dedupe_command.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut database_reader = try! (
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:193:22
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let database_file = try! (
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:213:2
[INFO] [stderr]     |
[INFO] [stderr] 213 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:217:22
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let database_file = try! (
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:231:2
[INFO] [stderr]     |
[INFO] [stderr] 231 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/commands/dedupe_command.rs:245:2
[INFO] [stderr]     |
[INFO] [stderr] 245 |     try! (
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/commands/print_extents_command.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 |             try! (
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/arguments.rs:385:3
[INFO] [stderr]     |
[INFO] [stderr] 385 |         try! (
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/database/file_database.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let input_line = try! (
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/database/file_database.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try! (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:207:25
[INFO] [stderr]     |
[INFO] [stderr] 207 |             let file_data_json = try! (
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:222:4
[INFO] [stderr]     |
[INFO] [stderr] 222 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/database/file_database.rs:237:4
[INFO] [stderr]     |
[INFO] [stderr] 237 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                     try!(_serializer . serialize_struct (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(_serializer . serialize_struct_elt (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:218:35
[INFO] [stderr]     |
[INFO] [stderr] 218 | ...                   match try!(visitor . visit :: < PathBuf > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:226:35
[INFO] [stderr]     |
[INFO] [stderr] 226 | ...                   match try!(visitor . visit :: < u64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:229:37
[INFO] [stderr]     |
[INFO] [stderr] 229 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 | ...                   match try!(visitor . visit :: < Option < String >
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:238:37
[INFO] [stderr]     |
[INFO] [stderr] 238 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:243:35
[INFO] [stderr]     |
[INFO] [stderr] 243 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:252:35
[INFO] [stderr]     |
[INFO] [stderr] 252 | ...                   match try!(visitor . visit :: < Option < String >
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:256:37
[INFO] [stderr]     |
[INFO] [stderr] 256 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:261:35
[INFO] [stderr]     |
[INFO] [stderr] 261 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:265:37
[INFO] [stderr]     |
[INFO] [stderr] 265 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:270:35
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:274:37
[INFO] [stderr]     |
[INFO] [stderr] 274 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:279:35
[INFO] [stderr]     |
[INFO] [stderr] 279 | ...                   match try!(visitor . visit :: < Option < i64 > > (
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:283:37
[INFO] [stderr]     |
[INFO] [stderr] 283 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:288:35
[INFO] [stderr]     |
[INFO] [stderr] 288 | ...                   match try!(visitor . visit :: < i64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:291:37
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:296:35
[INFO] [stderr]     |
[INFO] [stderr] 296 | ...                   match try!(visitor . visit :: < i64 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:299:37
[INFO] [stderr]     |
[INFO] [stderr] 299 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:304:35
[INFO] [stderr]     |
[INFO] [stderr] 304 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:307:37
[INFO] [stderr]     |
[INFO] [stderr] 307 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:312:35
[INFO] [stderr]     |
[INFO] [stderr] 312 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:315:37
[INFO] [stderr]     |
[INFO] [stderr] 315 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:320:35
[INFO] [stderr]     |
[INFO] [stderr] 320 | ...                   match try!(visitor . visit :: < u32 > (  )) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:323:37
[INFO] [stderr]     |
[INFO] [stderr] 323 | ...                   try!(visitor . end (  ));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:327:25
[INFO] [stderr]     |
[INFO] [stderr] 327 |                         try!(visitor . end (  ));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:360:35
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   try!(visitor . visit_key :: < __Field > (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:369:46
[INFO] [stderr]     |
[INFO] [stderr] 369 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:378:46
[INFO] [stderr]     |
[INFO] [stderr] 378 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:387:46
[INFO] [stderr]     |
[INFO] [stderr] 387 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:396:46
[INFO] [stderr]     |
[INFO] [stderr] 396 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:405:46
[INFO] [stderr]     |
[INFO] [stderr] 405 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:414:46
[INFO] [stderr]     |
[INFO] [stderr] 414 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:423:46
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:432:46
[INFO] [stderr]     |
[INFO] [stderr] 432 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:441:46
[INFO] [stderr]     |
[INFO] [stderr] 441 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:450:46
[INFO] [stderr]     |
[INFO] [stderr] 450 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:459:46
[INFO] [stderr]     |
[INFO] [stderr] 459 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:468:46
[INFO] [stderr]     |
[INFO] [stderr] 468 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:477:46
[INFO] [stderr]     |
[INFO] [stderr] 477 | ...                   Some(try!(visitor . visit_value :: <
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:482:41
[INFO] [stderr]     |
[INFO] [stderr] 482 | ...                   try!(visitor . visit_value :: < _serde
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |                         try!(visitor . end (  ));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 | ...                   try!(visitor . missing_field ( "path" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:499:33
[INFO] [stderr]     |
[INFO] [stderr] 499 | ...                   try!(visitor . missing_field ( "size" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:505:33
[INFO] [stderr]     |
[INFO] [stderr] 505 | ...                   try!(visitor . missing_field ( "content_hash"
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:512:33
[INFO] [stderr]     |
[INFO] [stderr] 512 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:519:33
[INFO] [stderr]     |
[INFO] [stderr] 519 | ...                   try!(visitor . missing_field ( "extent_hash"
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:526:33
[INFO] [stderr]     |
[INFO] [stderr] 526 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:533:33
[INFO] [stderr]     |
[INFO] [stderr] 533 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:540:33
[INFO] [stderr]     |
[INFO] [stderr] 540 | ...                   try!(visitor . missing_field (
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:547:33
[INFO] [stderr]     |
[INFO] [stderr] 547 | ...                   try!(visitor . missing_field ( "mtime" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:553:33
[INFO] [stderr]     |
[INFO] [stderr] 553 | ...                   try!(visitor . missing_field ( "ctime" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:559:33
[INFO] [stderr]     |
[INFO] [stderr] 559 | ...                   try!(visitor . missing_field ( "mode" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:565:33
[INFO] [stderr]     |
[INFO] [stderr] 565 | ...                   try!(visitor . missing_field ( "uid" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/btrfs-dedupe-68b3f753a7fe90d2/out/serde_types.rs:571:33
[INFO] [stderr]     |
[INFO] [stderr] 571 | ...                   try!(visitor . missing_field ( "gid" )),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/content_hasher.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operations/directory_scanner.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 try! (
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:192:4
[INFO] [stderr]     |
[INFO] [stderr] 192 |             try! (
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 try! (
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations/directory_scanner.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 try! (
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database/file_database.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |         source: & mut Read,
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[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/database/file_database.rs:150:26
[INFO] [stderr]     |
[INFO] [stderr] 150 |         database_output: & mut Write,
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/commands/dedupe_command.rs:627:6
[INFO] [stderr]     |
[INFO] [stderr] 627 |     let mut file_database =
[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/commands/dedupe_command.rs:627:6
[INFO] [stderr]     |
[INFO] [stderr] 627 |     let mut file_database =
[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: type alias is never used: `HashLists`
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / pub type HashLists =
[INFO] [stderr] 14 | |     HashMap <Hash, Vec <PathBuf>>;
[INFO] [stderr]    | |__________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CompareFileMetadataLists`
[INFO] [stderr]   --> src/types.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / pub type CompareFileMetadataLists =
[INFO] [stderr] 23 | |     HashMap <CompareFileMetadata, Vec <PathBuf>>;
[INFO] [stderr]    | |_________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `HashLists`
[INFO] [stderr]   --> src/types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / pub type HashLists =
[INFO] [stderr] 14 | |     HashMap <Hash, Vec <PathBuf>>;
[INFO] [stderr]    | |__________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CompareFileMetadataLists`
[INFO] [stderr]   --> src/types.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / pub type CompareFileMetadataLists =
[INFO] [stderr] 23 | |     HashMap <CompareFileMetadata, Vec <PathBuf>>;
[INFO] [stderr]    | |_________________________________________________^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "58cd6651f408fa09cd89e5392b74de9c44c1debddfc75c684f981d3d28a0b157"`
[INFO] running `"docker" "rm" "-f" "58cd6651f408fa09cd89e5392b74de9c44c1debddfc75c684f981d3d28a0b157"`
[INFO] [stdout] 58cd6651f408fa09cd89e5392b74de9c44c1debddfc75c684f981d3d28a0b157