[INFO] cloning repository https://github.com/theSherwood/nock-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSherwood%2Fnock-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12130aaced8bfdde427daf70f74bb3f031346248
[INFO] checking theSherwood/nock-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSherwood%2Fnock-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[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 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b29df1eabcc72ad4e9b848629954b1f7b44a97606ec7568550ac7110e85976c
[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" "5b29df1eabcc72ad4e9b848629954b1f7b44a97606ec7568550ac7110e85976c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b29df1eabcc72ad4e9b848629954b1f7b44a97606ec7568550ac7110e85976c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b29df1eabcc72ad4e9b848629954b1f7b44a97606ec7568550ac7110e85976c", kill_on_drop: false }`
[INFO] [stdout] 5b29df1eabcc72ad4e9b848629954b1f7b44a97606ec7568550ac7110e85976c
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34be5b2b1fe3f20dc99f05b14149434b4526adb757b6a9cc0562ddade5ec8e70
[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" "34be5b2b1fe3f20dc99f05b14149434b4526adb757b6a9cc0562ddade5ec8e70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:77:33
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:134:41
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:163:43
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |                         try!(write!(f, "."));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     try!(write!(f, "{}", c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(write!(f, "["));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 try!(a.print(f, abbrev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(write!(f, " "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:290:29
[INFO] [stdout]     |
[INFO] [stdout] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 | ...                   try!(write!(f, " "));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:446:25
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:447:25
[INFO] [stdout]     |
[INFO] [stdout] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:473:26
[INFO] [stdout]     |
[INFO] [stdout] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:474:26
[INFO] [stdout]     |
[INFO] [stdout] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:539:26
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:568:32
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:589:32
[INFO] [stdout]     |
[INFO] [stdout] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:660:23
[INFO] [stdout]     |
[INFO] [stdout] 660 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:661:23
[INFO] [stdout]     |
[INFO] [stdout] 661 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:668:35
[INFO] [stdout]     |
[INFO] [stdout] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:670:54
[INFO] [stdout]     |
[INFO] [stdout] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[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/nock.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:77:33
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:134:41
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:163:43
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |                         try!(write!(f, "."));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     try!(write!(f, "{}", c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(write!(f, "["));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 try!(a.print(f, abbrev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(write!(f, " "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:290:29
[INFO] [stdout]     |
[INFO] [stdout] 290 | ...                   try!(a.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 | ...                   try!(write!(f, " "));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 | ...                   try!(cur.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         Ok((try!(T::from_noun(n)),))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:446:25
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 let t = try!(T::from_noun(a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:447:25
[INFO] [stdout]     |
[INFO] [stdout] 447 |                 let u = try!(U::from_noun(b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:473:26
[INFO] [stdout]     |
[INFO] [stdout] 473 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:474:26
[INFO] [stdout]     |
[INFO] [stdout] 474 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:539:26
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:568:32
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:589:32
[INFO] [stdout]     |
[INFO] [stdout] 589 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:660:23
[INFO] [stdout]     |
[INFO] [stdout] 660 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:661:23
[INFO] [stdout]     |
[INFO] [stdout] 661 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:668:35
[INFO] [stdout]     |
[INFO] [stdout] 668 |                         elts.push(try!(parse_atom(input)))
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:670:54
[INFO] [stdout]     |
[INFO] [stdout] 670 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:580:30
[INFO] [stdout]     |
[INFO] [stdout] 580 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/lib.rs:757:21
[INFO] [stdout]     |
[INFO] [stdout] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nock.rs:93:25
[INFO] [stdout]     |
[INFO] [stdout] 93  |                            return match p.get() {
[INFO] [stdout]     |  __________________________^______-
[INFO] [stdout]     | | _________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stdout] 95  | ||                                 if a == b {
[INFO] [stdout] 96  | ||                                     // Yes.
[INFO] [stdout] ...   ||
[INFO] [stdout] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stdout] 104 | ||                         };
[INFO] [stdout]     | ||                         ^
[INFO] [stdout]     | ||_________________________|
[INFO] [stdout]     | |__________________________unreachable expression
[INFO] [stdout]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:580:30
[INFO] [stdout]     |
[INFO] [stdout] 580 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/lib.rs:757:21
[INFO] [stdout]     |
[INFO] [stdout] 757 |         let mut s = hash::SipHasher::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nock.rs:93:25
[INFO] [stdout]     |
[INFO] [stdout] 93  |                            return match p.get() {
[INFO] [stdout]     |  __________________________^______-
[INFO] [stdout]     | | _________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stdout] 95  | ||                                 if a == b {
[INFO] [stdout] 96  | ||                                     // Yes.
[INFO] [stdout] ...   ||
[INFO] [stdout] 103 | ||                             _ => return Err(NockError("same".to_owned())),
[INFO] [stdout] 104 | ||                         };
[INFO] [stdout]     | ||                         ^
[INFO] [stdout]     | ||_________________________|
[INFO] [stdout]     | |__________________________unreachable expression
[INFO] [stdout]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "34be5b2b1fe3f20dc99f05b14149434b4526adb757b6a9cc0562ddade5ec8e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34be5b2b1fe3f20dc99f05b14149434b4526adb757b6a9cc0562ddade5ec8e70", kill_on_drop: false }`
[INFO] [stdout] 34be5b2b1fe3f20dc99f05b14149434b4526adb757b6a9cc0562ddade5ec8e70