[INFO] fetching crate nue-io 0.3.0...
[INFO] checking nue-io-0.3.0 against beta for pr-78714
[INFO] extracting crate nue-io 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nue-io 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nue-io 0.3.0
[INFO] removed path dependency uninitialized from crates.io crate nue-io 0.3.0
[INFO] finished tweaking crates.io crate nue-io 0.3.0
[INFO] tweaked toml for crates.io crate nue-io 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16d43b4893bcf1bf4c9dbdd724fb011b50be0bf8a6aac1f1c4630ac6bedb4b61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16d43b4893bcf1bf4c9dbdd724fb011b50be0bf8a6aac1f1c4630ac6bedb4b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d43b4893bcf1bf4c9dbdd724fb011b50be0bf8a6aac1f1c4630ac6bedb4b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d43b4893bcf1bf4c9dbdd724fb011b50be0bf8a6aac1f1c4630ac6bedb4b61", kill_on_drop: false }`
[INFO] [stdout] 16d43b4893bcf1bf4c9dbdd724fb011b50be0bf8a6aac1f1c4630ac6bedb4b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66d61ba5259efc7729ea7b46cd20a737baf7a23ae97c235c4b01a3992d4ef7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a66d61ba5259efc7729ea7b46cd20a737baf7a23ae97c235c4b01a3992d4ef7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking nue-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:187:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let tell = try!(self.inner.tell());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(self.inner.seek_rewind().map(|_| 0))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:209:20
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let read = try!(self.inner.read(buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:229:20
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let read = try!(self.inner.read_until(byte, buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:236:20
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let read = try!(self.inner.read_line(buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let write = try!(self.inner.write(buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:259:22
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let offset = try!(self.inner.seek_forward(offset));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         try!(self.inner.seek_rewind());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:277:19
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let pos = try!(self.inner.seek_absolute(pos));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let res = try!(self.inner.seek_forward(offset));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let res = try!(self.inner.seek_backward(offset));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.inner.seek_rewind());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let pos = try!(self.inner.seek_absolute(pos));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let pos = try!(self.inner.seek_end(offset));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:112:38
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let read = buf.copy_from(try!(self.fill_buf()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 self.buf.set_len(try!(self.inner.read(buf)));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let pos = try!(self.inner.tell());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pos = try!(self.position());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let len = try!(self.limit(buf.len() as u64)) as usize;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let read = try!(self.inner.read(&mut buf[..len]));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = try!(self.limit(buf.len() as u64)) as usize;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let offset = try!(self.limit(offset));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let off = try!(self.inner.tell()).saturating_sub(self.start);;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let pos = try!(self.position());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let buf = try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/align.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let pos = try!(self.tell());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let inner = try!(self.inner.write(buf));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let inner = try!(self.inner.read(buf));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let res = try!(self.inner.seek_forward(min(offset, self.limit)));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/region.rs:109:70
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let off = try!(self.inner.tell()).saturating_sub(self.start);;
[INFO] [stdout]     |                                                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:187:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let tell = try!(self.inner.tell());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(self.inner.seek_rewind().map(|_| 0))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:209:20
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let read = try!(self.inner.read(buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:229:20
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let read = try!(self.inner.read_until(byte, buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:236:20
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let read = try!(self.inner.read_line(buf));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let write = try!(self.inner.write(buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:259:22
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let offset = try!(self.inner.seek_forward(offset));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         try!(self.inner.seek_rewind());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/seek_forward.rs:277:19
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let pos = try!(self.inner.seek_absolute(pos));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let res = try!(self.inner.seek_forward(offset));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let res = try!(self.inner.seek_backward(offset));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.inner.seek_rewind());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/buf_seeker.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let pos = try!(self.inner.seek_absolute(pos));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let pos = try!(self.inner.seek_end(offset));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:112:38
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let read = buf.copy_from(try!(self.fill_buf()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buf_seeker.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 self.buf.set_len(try!(self.inner.read(buf)));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let pos = try!(self.inner.tell());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pos = try!(self.position());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let len = try!(self.limit(buf.len() as u64)) as usize;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let read = try!(self.inner.read(&mut buf[..len]));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/region.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = try!(self.limit(buf.len() as u64)) as usize;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let offset = try!(self.limit(offset));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let off = try!(self.inner.tell()).saturating_sub(self.start);;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let pos = try!(self.position());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/region.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let buf = try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/align.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let pos = try!(self.tell());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let inner = try!(self.inner.write(buf));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let inner = try!(self.inner.read(buf));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/take.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let res = try!(self.inner.seek_forward(min(offset, self.limit)));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/region.rs:109:70
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let off = try!(self.inner.tell()).saturating_sub(self.start);;
[INFO] [stdout]     |                                                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/region.rs:167:16
[INFO] [stdout]     |
[INFO] [stdout] 167 |         region.read_exact(&mut odata).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `ReadExactExt` for the type `R`
[INFO] [stdout]    --> src/read_exact.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `Region<T>`
[INFO] [stdout]    --> src/region.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 167 |         ReadExactExt::read_exact(&mut region, &mut odata).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 167 |         std::io::Read::read_exact(&mut region, &mut odata).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/region.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |         region.read_exact(&mut odata[..0x20]).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `ReadExactExt` for the type `R`
[INFO] [stdout]    --> src/read_exact.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `Region<T>`
[INFO] [stdout]    --> src/region.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 171 |         ReadExactExt::read_exact(&mut region, &mut odata[..0x20]).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 171 |         std::io::Read::read_exact(&mut region, &mut odata[..0x20]).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/region.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |         region.read_exact(&mut odata[..]).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `ReadExactExt` for the type `R`
[INFO] [stdout]    --> src/read_exact.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `Region<T>`
[INFO] [stdout]    --> src/region.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 175 |         ReadExactExt::read_exact(&mut region, &mut odata[..]).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 175 |         std::io::Read::read_exact(&mut region, &mut odata[..]).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]    --> src/region.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use std::io::{Cursor, Read};
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_exact::ReadExactExt`
[INFO] [stdout]    --> src/region.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use read_exact::ReadExactExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nue-io`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a66d61ba5259efc7729ea7b46cd20a737baf7a23ae97c235c4b01a3992d4ef7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66d61ba5259efc7729ea7b46cd20a737baf7a23ae97c235c4b01a3992d4ef7c", kill_on_drop: false }`
[INFO] [stdout] a66d61ba5259efc7729ea7b46cd20a737baf7a23ae97c235c4b01a3992d4ef7c