[INFO] cloning repository https://github.com/scott-linder/rustpn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scott-linder/rustpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-linder%2Frustpn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-linder%2Frustpn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a27b2fef149d711e5d2388dfdc516199c587f8d
[INFO] checking scott-linder/rustpn against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-linder%2Frustpn" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scott-linder/rustpn on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scott-linder/rustpn
[INFO] finished tweaking git repo https://github.com/scott-linder/rustpn
[INFO] tweaked toml for git repo https://github.com/scott-linder/rustpn written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scott-linder/rustpn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51634eedfcc78b9cbc210dd2e67a7edd2e90e2fa9725cceeea7e1786a66b1e3b
[INFO] running `Command { std: "docker" "start" "-a" "51634eedfcc78b9cbc210dd2e67a7edd2e90e2fa9725cceeea7e1786a66b1e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51634eedfcc78b9cbc210dd2e67a7edd2e90e2fa9725cceeea7e1786a66b1e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51634eedfcc78b9cbc210dd2e67a7edd2e90e2fa9725cceeea7e1786a66b1e3b", kill_on_drop: false }`
[INFO] [stdout] 51634eedfcc78b9cbc210dd2e67a7edd2e90e2fa9725cceeea7e1786a66b1e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14a3a6f4d94d8b58688643fd7d95fa80f6c793100268bcb1c2fe02ab0e2d162
[INFO] running `Command { std: "docker" "start" "-a" "a14a3a6f4d94d8b58688643fd7d95fa80f6c793100268bcb1c2fe02ab0e2d162", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking rustpn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:203:36
[INFO] [stdout]     |
[INFO] [stdout] 203 |                     '\\' => s.push(try!(self.escape())),
[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/item.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             try!(write!(f, "{} ", item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/item.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try!(write!(f, "{} ", item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Some(t) => try!(t),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 let nested_block = try!(parse_block(lexer, BlockLevel::Nested));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 try!(match *method {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(self.run(item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let n = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let i = try!(FromPrimitive::from_f64(f).ok_or(Error::NumericConversion));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let n = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let f = try!(n.to_f64().ok_or(Error::NumericConversion));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let a = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let name = try!(vm.stack.pop());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let StackItem::Integer(n) = try!(vm.stack.pop()) {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let count = try!(FromPrimitive::from_usize(vm.stack.0.len())
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let c = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let _ = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(vm.run_block(&block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let else_block = try!(vm.stack.pop());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:249:24
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let if_block = try!(vm.stack.pop());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(vm.run_block(&if_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 try!(vm.run_block(&else_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:264:28
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let action_block = try!(vm.stack.pop());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let condition_block = try!(vm.stack.pop());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(vm.run_block(&condition_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:203:36
[INFO] [stdout]     |
[INFO] [stdout] 203 |                     '\\' => s.push(try!(self.escape())),
[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/builtin.rs:270:33
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                         try!(vm.run_block(&action_block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/item.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             try!(write!(f, "{} ", item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let times = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 try!(vm.run_block(&block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/item.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try!(write!(f, "{} ", item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Some(t) => try!(t),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 let nested_block = try!(parse_block(lexer, BlockLevel::Nested));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]    --> src/parse.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use super::{Error, parse};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 try!(match *method {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(self.run(item));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let n2 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let n1 = try!(vm.stack.pop());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let n = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let i = try!(FromPrimitive::from_f64(f).ok_or(Error::NumericConversion));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let n = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 let f = try!(n.to_f64().ok_or(Error::NumericConversion));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/builtin.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let a = try!(vm.stack.pop());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let name = try!(vm.stack.pop());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let StackItem::Integer(n) = try!(vm.stack.pop()) {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let count = try!(FromPrimitive::from_usize(vm.stack.0.len())
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let c = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let _ = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let b = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let a = try!(vm.stack.pop());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(vm.run_block(&block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let else_block = try!(vm.stack.pop());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:249:24
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let if_block = try!(vm.stack.pop());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(vm.run_block(&if_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 try!(vm.run_block(&else_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:264:28
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let action_block = try!(vm.stack.pop());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let condition_block = try!(vm.stack.pop());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(vm.run_block(&condition_block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:270:33
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 let condition = try!(vm.stack.pop());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                         try!(vm.run_block(&action_block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let block = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let times = try!(vm.stack.pop());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/builtin.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 try!(vm.run_block(&block));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Builtin(Box<Fn(&mut Vm<I>) -> Result<()>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Builtin(Box<dyn Fn(&mut Vm<I>) -> Result<()>>),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Builtin(Box<Fn(&mut Vm<I>) -> Result<()>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Builtin(Box<dyn Fn(&mut Vm<I>) -> Result<()>>),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:91:62
[INFO] [stdout]    |
[INFO] [stdout] 91 |       pub fn insert_builtin<S>(&mut self, name: S, method: Box<Fn(&mut Vm<I>)
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 92 | |                    -> Result<()>>) where S: Into<String> {
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn insert_builtin<S>(&mut self, name: S, method: Box<dyn Fn(&mut Vm<I>)
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vm.rs:91:62
[INFO] [stdout]    |
[INFO] [stdout] 91 |       pub fn insert_builtin<S>(&mut self, name: S, method: Box<Fn(&mut Vm<I>)
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 92 | |                    -> Result<()>>) where S: Into<String> {
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn insert_builtin<S>(&mut self, name: S, method: Box<dyn Fn(&mut Vm<I>)
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lex.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lex.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Error::UnknownMethod(ref s) => write!(f, "{}: {}", self.description(), s),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Error::UnknownMethod(ref s) => write!(f, "{}: {}", self.description(), s),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/rustpn.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let line = try!(line);
[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/bin/rustpn.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     try!(file.read_to_string(&mut program));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/rustpn.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut file = try!(File::open(filename));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/rustpn.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let line = try!(line);
[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/bin/rustpn.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     try!(file.read_to_string(&mut program));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/rustpn.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut file = try!(File::open(filename));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a14a3a6f4d94d8b58688643fd7d95fa80f6c793100268bcb1c2fe02ab0e2d162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14a3a6f4d94d8b58688643fd7d95fa80f6c793100268bcb1c2fe02ab0e2d162", kill_on_drop: false }`
[INFO] [stdout] a14a3a6f4d94d8b58688643fd7d95fa80f6c793100268bcb1c2fe02ab0e2d162
[INFO] checking scott-linder/rustpn against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott-linder%2Frustpn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scott-linder/rustpn on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scott-linder/rustpn
[INFO] finished tweaking git repo https://github.com/scott-linder/rustpn
[INFO] tweaked toml for git repo https://github.com/scott-linder/rustpn written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/scott-linder/rustpn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71fd885af42f7ea0d3f92c58da90df0d3cb55cda828ca1722bea9740de248093
[INFO] running `Command { std: "docker" "start" "-a" "71fd885af42f7ea0d3f92c58da90df0d3cb55cda828ca1722bea9740de248093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71fd885af42f7ea0d3f92c58da90df0d3cb55cda828ca1722bea9740de248093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fd885af42f7ea0d3f92c58da90df0d3cb55cda828ca1722bea9740de248093", kill_on_drop: false }`
[INFO] [stdout] 71fd885af42f7ea0d3f92c58da90df0d3cb55cda828ca1722bea9740de248093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76d574e18bf70802f61ab788921b175d6a03651de39d657f711282eb9b8d51d
[INFO] running `Command { std: "docker" "start" "-a" "f76d574e18bf70802f61ab788921b175d6a03651de39d657f711282eb9b8d51d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f76d574e18bf70802f61ab788921b175d6a03651de39d657f711282eb9b8d51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76d574e18bf70802f61ab788921b175d6a03651de39d657f711282eb9b8d51d", kill_on_drop: false }`
[INFO] [stdout] f76d574e18bf70802f61ab788921b175d6a03651de39d657f711282eb9b8d51d