[INFO] crate device_tree 1.1.0 is already in cache
[INFO] testing device_tree-1.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate device_tree 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate device_tree 1.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate device_tree 1.1.0
[INFO] finished tweaking crates.io crate device_tree 1.1.0
[INFO] tweaked toml for crates.io crate device_tree 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21b31798490f6fb6105f2daf1d326d6036e544cb329fb351673d3126cccfe61f
[INFO] running `"docker" "start" "-a" "21b31798490f6fb6105f2daf1d326d6036e544cb329fb351673d3126cccfe61f"`
[INFO] [stderr]    Compiling device_tree v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if try!(buffer.read_be_u32(0)) != MAGIC_NUMBER {
[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/lib.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |         if try!(buffer.read_be_u32(4)) as usize != buffer.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let version = try!(buffer.read_be_u32(20));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let off_dt_struct = try!(buffer.read_be_u32(8)) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let off_dt_strings = try!(buffer.read_be_u32(12)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let off_mem_rsvmap = try!(buffer.read_be_u32(16)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let boot_cpuid_phys = try!(buffer.read_be_u32(28));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let offset = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let size = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (_, root) = try!(Node::load(buffer, off_dt_struct, off_dt_strings));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |         if try!(buffer.read_be_u32(start)) != OF_DT_BEGIN_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let raw_name = try!(buffer.read_bstring0(start+4));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:15
[INFO] [stderr]     |
[INFO] [stderr] 216 |         while try!(buffer.read_be_u32(pos)) == OF_DT_PROP {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let val_size = try!(buffer.read_be_u32(pos+4)) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let name_offset = try!(buffer.read_be_u32(pos+8)) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let val = try!(buffer.subslice(val_start, val_end));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 |             let prop_name = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 try!(str::from_utf8(prop_name)).to_owned(),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:241:15
[INFO] [stderr]     |
[INFO] [stderr] 241 |         while try!(buffer.read_be_u32(pos)) == OF_DT_BEGIN_NODE {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:41
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let (new_pos, child_node) = try!(Node::load(buffer, pos,
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         if try!(buffer.read_be_u32(pos)) != OF_DT_END_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |             name: try!(str::from_utf8(raw_name)).to_owned(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:19
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:305:12
[INFO] [stderr]     |
[INFO] [stderr] 305 |         Ok(try!(str::from_utf8(&raw[..(l-1)])))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Ok(try!(raw.as_slice().read_be_u64(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:19
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Ok(try!(raw.as_slice().read_be_u32(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "21b31798490f6fb6105f2daf1d326d6036e544cb329fb351673d3126cccfe61f"`
[INFO] running `"docker" "rm" "-f" "21b31798490f6fb6105f2daf1d326d6036e544cb329fb351673d3126cccfe61f"`
[INFO] [stdout] 21b31798490f6fb6105f2daf1d326d6036e544cb329fb351673d3126cccfe61f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13d089db56ab0f0483dbadca338d3d287d61be87648891917124e61c8dddc231
[INFO] running `"docker" "start" "-a" "13d089db56ab0f0483dbadca338d3d287d61be87648891917124e61c8dddc231"`
[INFO] [stderr]    Compiling device_tree v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if try!(buffer.read_be_u32(0)) != MAGIC_NUMBER {
[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/lib.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |         if try!(buffer.read_be_u32(4)) as usize != buffer.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let version = try!(buffer.read_be_u32(20));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let off_dt_struct = try!(buffer.read_be_u32(8)) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let off_dt_strings = try!(buffer.read_be_u32(12)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let off_mem_rsvmap = try!(buffer.read_be_u32(16)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let boot_cpuid_phys = try!(buffer.read_be_u32(28));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let offset = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let size = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (_, root) = try!(Node::load(buffer, off_dt_struct, off_dt_strings));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |         if try!(buffer.read_be_u32(start)) != OF_DT_BEGIN_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let raw_name = try!(buffer.read_bstring0(start+4));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:15
[INFO] [stderr]     |
[INFO] [stderr] 216 |         while try!(buffer.read_be_u32(pos)) == OF_DT_PROP {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let val_size = try!(buffer.read_be_u32(pos+4)) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let name_offset = try!(buffer.read_be_u32(pos+8)) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let val = try!(buffer.subslice(val_start, val_end));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 |             let prop_name = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 try!(str::from_utf8(prop_name)).to_owned(),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:241:15
[INFO] [stderr]     |
[INFO] [stderr] 241 |         while try!(buffer.read_be_u32(pos)) == OF_DT_BEGIN_NODE {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:41
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let (new_pos, child_node) = try!(Node::load(buffer, pos,
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         if try!(buffer.read_be_u32(pos)) != OF_DT_END_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |             name: try!(str::from_utf8(raw_name)).to_owned(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:19
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:305:12
[INFO] [stderr]     |
[INFO] [stderr] 305 |         Ok(try!(str::from_utf8(&raw[..(l-1)])))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Ok(try!(raw.as_slice().read_be_u64(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:19
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Ok(try!(raw.as_slice().read_be_u32(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if try!(buffer.read_be_u32(0)) != MAGIC_NUMBER {
[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/lib.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |         if try!(buffer.read_be_u32(4)) as usize != buffer.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let version = try!(buffer.read_be_u32(20));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let off_dt_struct = try!(buffer.read_be_u32(8)) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let off_dt_strings = try!(buffer.read_be_u32(12)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let off_mem_rsvmap = try!(buffer.read_be_u32(16)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let boot_cpuid_phys = try!(buffer.read_be_u32(28));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let offset = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let size = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (_, root) = try!(Node::load(buffer, off_dt_struct, off_dt_strings));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |         if try!(buffer.read_be_u32(start)) != OF_DT_BEGIN_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let raw_name = try!(buffer.read_bstring0(start+4));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:15
[INFO] [stderr]     |
[INFO] [stderr] 216 |         while try!(buffer.read_be_u32(pos)) == OF_DT_PROP {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let val_size = try!(buffer.read_be_u32(pos+4)) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let name_offset = try!(buffer.read_be_u32(pos+8)) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let val = try!(buffer.subslice(val_start, val_end));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 |             let prop_name = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 try!(str::from_utf8(prop_name)).to_owned(),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:241:15
[INFO] [stderr]     |
[INFO] [stderr] 241 |         while try!(buffer.read_be_u32(pos)) == OF_DT_BEGIN_NODE {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:41
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let (new_pos, child_node) = try!(Node::load(buffer, pos,
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         if try!(buffer.read_be_u32(pos)) != OF_DT_END_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |             name: try!(str::from_utf8(raw_name)).to_owned(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:19
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:305:12
[INFO] [stderr]     |
[INFO] [stderr] 305 |         Ok(try!(str::from_utf8(&raw[..(l-1)])))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Ok(try!(raw.as_slice().read_be_u64(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:19
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Ok(try!(raw.as_slice().read_be_u32(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "13d089db56ab0f0483dbadca338d3d287d61be87648891917124e61c8dddc231"`
[INFO] running `"docker" "rm" "-f" "13d089db56ab0f0483dbadca338d3d287d61be87648891917124e61c8dddc231"`
[INFO] [stdout] 13d089db56ab0f0483dbadca338d3d287d61be87648891917124e61c8dddc231
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 391ab85d6059edcb9b29dda99e631112b5f4017addc50a2c74035477f0c40068
[INFO] running `"docker" "start" "-a" "391ab85d6059edcb9b29dda99e631112b5f4017addc50a2c74035477f0c40068"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if try!(buffer.read_be_u32(0)) != MAGIC_NUMBER {
[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/lib.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |         if try!(buffer.read_be_u32(4)) as usize != buffer.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let version = try!(buffer.read_be_u32(20));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let off_dt_struct = try!(buffer.read_be_u32(8)) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let off_dt_strings = try!(buffer.read_be_u32(12)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let off_mem_rsvmap = try!(buffer.read_be_u32(16)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let boot_cpuid_phys = try!(buffer.read_be_u32(28));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let offset = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let size = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (_, root) = try!(Node::load(buffer, off_dt_struct, off_dt_strings));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |         if try!(buffer.read_be_u32(start)) != OF_DT_BEGIN_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let raw_name = try!(buffer.read_bstring0(start+4));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:15
[INFO] [stderr]     |
[INFO] [stderr] 216 |         while try!(buffer.read_be_u32(pos)) == OF_DT_PROP {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let val_size = try!(buffer.read_be_u32(pos+4)) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let name_offset = try!(buffer.read_be_u32(pos+8)) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let val = try!(buffer.subslice(val_start, val_end));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 |             let prop_name = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 try!(str::from_utf8(prop_name)).to_owned(),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:241:15
[INFO] [stderr]     |
[INFO] [stderr] 241 |         while try!(buffer.read_be_u32(pos)) == OF_DT_BEGIN_NODE {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:41
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let (new_pos, child_node) = try!(Node::load(buffer, pos,
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         if try!(buffer.read_be_u32(pos)) != OF_DT_END_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |             name: try!(str::from_utf8(raw_name)).to_owned(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:19
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:305:12
[INFO] [stderr]     |
[INFO] [stderr] 305 |         Ok(try!(str::from_utf8(&raw[..(l-1)])))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Ok(try!(raw.as_slice().read_be_u64(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:19
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Ok(try!(raw.as_slice().read_be_u32(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if try!(buffer.read_be_u32(0)) != MAGIC_NUMBER {
[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/lib.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |         if try!(buffer.read_be_u32(4)) as usize != buffer.len() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let version = try!(buffer.read_be_u32(20));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let off_dt_struct = try!(buffer.read_be_u32(8)) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:30
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let off_dt_strings = try!(buffer.read_be_u32(12)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let off_mem_rsvmap = try!(buffer.read_be_u32(16)) as usize;
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let boot_cpuid_phys = try!(buffer.read_be_u32(28));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let offset = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let size = try!(buffer.read_be_u64(pos));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let (_, root) = try!(Node::load(buffer, off_dt_struct, off_dt_strings));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |         if try!(buffer.read_be_u32(start)) != OF_DT_BEGIN_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let raw_name = try!(buffer.read_bstring0(start+4));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:216:15
[INFO] [stderr]     |
[INFO] [stderr] 216 |         while try!(buffer.read_be_u32(pos)) == OF_DT_PROP {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let val_size = try!(buffer.read_be_u32(pos+4)) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let name_offset = try!(buffer.read_be_u32(pos+8)) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let val = try!(buffer.subslice(val_start, val_end));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 |             let prop_name = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 try!(str::from_utf8(prop_name)).to_owned(),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:241:15
[INFO] [stderr]     |
[INFO] [stderr] 241 |         while try!(buffer.read_be_u32(pos)) == OF_DT_BEGIN_NODE {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:242:41
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let (new_pos, child_node) = try!(Node::load(buffer, pos,
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 |         if try!(buffer.read_be_u32(pos)) != OF_DT_END_NODE {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |             name: try!(str::from_utf8(raw_name)).to_owned(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:19
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:305:12
[INFO] [stderr]     |
[INFO] [stderr] 305 |         Ok(try!(str::from_utf8(&raw[..(l-1)])))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Ok(try!(raw.as_slice().read_be_u64(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:324:19
[INFO] [stderr]     |
[INFO] [stderr] 324 |         let raw = try!(self.prop_raw(name).ok_or(PropError::NotFound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Ok(try!(raw.as_slice().read_be_u32(0)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/device_tree-407157c992b7ae0e
[INFO] [stderr]    Doc-tests device_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 21) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "391ab85d6059edcb9b29dda99e631112b5f4017addc50a2c74035477f0c40068"`
[INFO] running `"docker" "rm" "-f" "391ab85d6059edcb9b29dda99e631112b5f4017addc50a2c74035477f0c40068"`
[INFO] [stdout] 391ab85d6059edcb9b29dda99e631112b5f4017addc50a2c74035477f0c40068