[INFO] cloning repository https://github.com/theSherwood/nock-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theSherwood/nock-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSherwood%2Fnock-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSherwood%2Fnock-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12130aaced8bfdde427daf70f74bb3f031346248
[INFO] testing theSherwood/nock-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSherwood%2Fnock-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theSherwood/nock-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/theSherwood/nock-rs
[INFO] finished tweaking git repo https://github.com/theSherwood/nock-rs
[INFO] tweaked toml for git repo https://github.com/theSherwood/nock-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "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] b13de480bd3ba5a4b425e4730e5b43a4a1bff718e69d3a1381174e78602a8a8a
[INFO] running `"docker" "start" "-a" "b13de480bd3ba5a4b425e4730e5b43a4a1bff718e69d3a1381174e78602a8a8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:427:13
[INFO] [stderr]     |
[INFO] [stderr] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:25
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:447:25
[INFO] [stderr]     |
[INFO] [stderr] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:473:26
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:26
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:23
[INFO] [stderr]     |
[INFO] [stderr] 660 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:661:23
[INFO] [stderr]     |
[INFO] [stderr] 661 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:668:35
[INFO] [stderr]     |
[INFO] [stderr] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:54
[INFO] [stderr]     |
[INFO] [stderr] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:589:32
[INFO] [stderr]     |
[INFO] [stderr] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:580:30
[INFO] [stderr]     |
[INFO] [stderr] 580 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `"docker" "inspect" "b13de480bd3ba5a4b425e4730e5b43a4a1bff718e69d3a1381174e78602a8a8a"`
[INFO] running `"docker" "rm" "-f" "b13de480bd3ba5a4b425e4730e5b43a4a1bff718e69d3a1381174e78602a8a8a"`
[INFO] [stdout] b13de480bd3ba5a4b425e4730e5b43a4a1bff718e69d3a1381174e78602a8a8a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "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] 355db414b969be70b4fdc46c4d0a2978192769a6a636c743326c9512dbe14a11
[INFO] running `"docker" "start" "-a" "355db414b969be70b4fdc46c4d0a2978192769a6a636c743326c9512dbe14a11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:427:13
[INFO] [stderr]     |
[INFO] [stderr] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:25
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:447:25
[INFO] [stderr]     |
[INFO] [stderr] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:473:26
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:26
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:23
[INFO] [stderr]     |
[INFO] [stderr] 660 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:661:23
[INFO] [stderr]     |
[INFO] [stderr] 661 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:668:35
[INFO] [stderr]     |
[INFO] [stderr] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:54
[INFO] [stderr]     |
[INFO] [stderr] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:589:32
[INFO] [stderr]     |
[INFO] [stderr] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:580:30
[INFO] [stderr]     |
[INFO] [stderr] 580 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:427:13
[INFO] [stderr]     |
[INFO] [stderr] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:25
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:447:25
[INFO] [stderr]     |
[INFO] [stderr] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:473:26
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:26
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:23
[INFO] [stderr]     |
[INFO] [stderr] 660 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:661:23
[INFO] [stderr]     |
[INFO] [stderr] 661 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:668:35
[INFO] [stderr]     |
[INFO] [stderr] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:54
[INFO] [stderr]     |
[INFO] [stderr] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:589:32
[INFO] [stderr]     |
[INFO] [stderr] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:757:21
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:580:30
[INFO] [stderr]     |
[INFO] [stderr] 580 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:757:21
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "355db414b969be70b4fdc46c4d0a2978192769a6a636c743326c9512dbe14a11"`
[INFO] running `"docker" "rm" "-f" "355db414b969be70b4fdc46c4d0a2978192769a6a636c743326c9512dbe14a11"`
[INFO] [stdout] 355db414b969be70b4fdc46c4d0a2978192769a6a636c743326c9512dbe14a11
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "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] e547175ca58c5d97cb2affad87581d7751423105d62a7060c8c5c849845651ee
[INFO] running `"docker" "start" "-a" "e547175ca58c5d97cb2affad87581d7751423105d62a7060c8c5c849845651ee"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:427:13
[INFO] [stderr]     |
[INFO] [stderr] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:25
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:447:25
[INFO] [stderr]     |
[INFO] [stderr] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:473:26
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:26
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:23
[INFO] [stderr]     |
[INFO] [stderr] 660 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:661:23
[INFO] [stderr]     |
[INFO] [stderr] 661 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:668:35
[INFO] [stderr]     |
[INFO] [stderr] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:54
[INFO] [stderr]     |
[INFO] [stderr] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:589:32
[INFO] [stderr]     |
[INFO] [stderr] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:580:30
[INFO] [stderr]     |
[INFO] [stderr] 580 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:29
[INFO] [stderr]     |
[INFO] [stderr] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:295:29
[INFO] [stderr]     |
[INFO] [stderr] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:427:13
[INFO] [stderr]     |
[INFO] [stderr] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:25
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:447:25
[INFO] [stderr]     |
[INFO] [stderr] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:473:26
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:26
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:539:26
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:23
[INFO] [stderr]     |
[INFO] [stderr] 660 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:661:23
[INFO] [stderr]     |
[INFO] [stderr] 661 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:668:35
[INFO] [stderr]     |
[INFO] [stderr] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:54
[INFO] [stderr]     |
[INFO] [stderr] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:589:32
[INFO] [stderr]     |
[INFO] [stderr] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:757:21
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:580:30
[INFO] [stderr]     |
[INFO] [stderr] 580 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:757:21
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nock-9606b302998e728d
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test digit_slice::tests::test_slice ... ok
[INFO] [stdout] test digit_slice::tests::test_msb ... ok
[INFO] [stdout] test tests::test_autocons ... ok
[INFO] [stdout] test tests::test_just ... ok
[INFO] [stdout] test tests::test_if ... ok
[INFO] [stdout] test tests::test_fold ... ok
[INFO] [stdout] test tests::test_bump ... ok
[INFO] [stdout] test tests::test_bigint ... ok
[INFO] [stdout] test tests::test_parser ... ok
[INFO] [stdout] test tests::test_cord ... ok
[INFO] [stdout] test tests::test_mug ... ok
[INFO] [stdout] test tests::test_same ... ok
[INFO] [stdout] test tests::test_axis ... ok
[INFO] [stdout] test tests::test_fire ... ok
[INFO] [stdout] test tests::test_depth ... ok
[INFO] [stdout] test tests::test_misc_nock ... FAILED
[INFO] [stdout] test tests::test_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_misc_nock stdout ----
[INFO] [stdout] thread 'tests::test_misc_nock' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"[1 2]"`,
[INFO] [stdout]  right: `"[1 [1  2]]"`', src/lib.rs:751:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d478e2e325 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d478e2e325 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d478e2e325 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d478e2e325 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d478e5626c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d478dc9685 - std::io::Write::write_fmt::h944a31ab04b0dfe4
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55d478e28861 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h6bd94c41a9c566d2
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d478e30b50 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d478e30b50 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d478e30b50 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d478e3084a - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55d478e31187 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x55d478e30d8b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x55d478e30cfb - std::panicking::begin_panic_fmt::h3ec91017ffedff5c
[INFO] [stdout]                                at src/libstd/panicking.rs:342
[INFO] [stdout]   14:     0x55d478db1ad3 - nock::tests::produces::hb6fa66a18d788a59
[INFO] [stdout]                                at src/lib.rs:751
[INFO] [stdout]   15:     0x55d478db3550 - nock::tests::test_misc_nock::hbc4f850077f949a8
[INFO] [stdout]                                at src/lib.rs:893
[INFO] [stdout]   16:     0x55d478db348a - nock::tests::test_misc_nock::{{closure}}::h010a1f79b18a2d41
[INFO] [stdout]                                at src/lib.rs:881
[INFO] [stdout]   17:     0x55d478dbb4ee - core::ops::function::FnOnce::call_once::he92517ec1b7ba8f1
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   18:     0x55d478df0a72 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd23431bd7b767a0c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   19:     0x55d478df0a72 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   20:     0x55d478df0a72 - std::panicking::try::do_call::haee67871ebe8ee92
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   21:     0x55d478df0a72 - std::panicking::try::hcba534043f17f42d
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   22:     0x55d478df0a72 - std::panic::catch_unwind::h6908c2ae7517b434
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   23:     0x55d478df0a72 - test::run_test_in_process::h66277a63b8267865
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   24:     0x55d478df0a72 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   25:     0x55d478dc8b46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   26:     0x55d478dce0e5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]   27:     0x55d478dce0e5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   28:     0x55d478dce0e5 - std::panicking::try::do_call::h4b45bcf4d5d82a80
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   29:     0x55d478dce0e5 - std::panicking::try::h297c0c407d3f8196
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   30:     0x55d478dce0e5 - std::panic::catch_unwind::h877baa9fbef2eafe
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   31:     0x55d478dce0e5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]   32:     0x55d478dce0e5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   33:     0x55d478e3744a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hfc5c0e64036d1b09
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   34:     0x55d478e3744a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf3d73184efc070c1
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x55d478e3744a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   36:     0x7f157e72f609 - start_thread
[INFO] [stdout]   37:     0x7f157e63b103 - __clone
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_misc_nock
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 16 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "e547175ca58c5d97cb2affad87581d7751423105d62a7060c8c5c849845651ee"`
[INFO] running `"docker" "rm" "-f" "e547175ca58c5d97cb2affad87581d7751423105d62a7060c8c5c849845651ee"`
[INFO] [stdout] e547175ca58c5d97cb2affad87581d7751423105d62a7060c8c5c849845651ee