[INFO] crate pcb-core 0.2.0 is already in cache
[INFO] checking pcb-core-0.2.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate pcb-core 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pcb-core 0.2.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pcb-core 0.2.0
[INFO] finished tweaking crates.io crate pcb-core 0.2.0
[INFO] tweaked toml for crates.io crate pcb-core 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3724e46821bade820b95bd5c5ccf667a3e6a1947b8fe86d0d4a4477576563062
[INFO] running `"docker" "start" "-a" "3724e46821bade820b95bd5c5ccf667a3e6a1947b8fe86d0d4a4477576563062"`
[INFO] [stderr]     Checking pcb-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/pcb.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 |       try!(writeln!(f, "{}", func));
[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/function.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(writeln!(f, "define {}{} {{", self.name, self.ty));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/function.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |       try!(write!(f, "{:?}", blk));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     try!(writeln!(f, "{}:", self));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:116:7
[INFO] [stderr]     |
[INFO] [stderr] 116 |       try!(writeln!(f, "  {}: {} = {:?}", value, value.ty(), value));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     try!(writeln!(f, "  {}", self.terminator.get()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(write!(f, "{}", value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(f, "call {}(", function.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             try!(write!(f, "%{}, ", i));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:233:11
[INFO] [stderr]     |
[INFO] [stderr] 233 |           try!(write!(f, "%{}", parameters.len() - 1));
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try!(write!(f, ")"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:237:35
[INFO] [stderr]     |
[INFO] [stderr] 237 |       ValueKind::Mul(lhs, rhs) => try!(write!(f, "mul {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:238:36
[INFO] [stderr]     |
[INFO] [stderr] 238 |       ValueKind::UDiv(lhs, rhs) => try!(write!(f, "udiv {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:239:36
[INFO] [stderr]     |
[INFO] [stderr] 239 |       ValueKind::SDiv(lhs, rhs) => try!(write!(f, "sdiv {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:240:36
[INFO] [stderr]     |
[INFO] [stderr] 240 |       ValueKind::URem(lhs, rhs) => try!(write!(f, "urem {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:241:36
[INFO] [stderr]     |
[INFO] [stderr] 241 |       ValueKind::SRem(lhs, rhs) => try!(write!(f, "srem {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:243:35
[INFO] [stderr]     |
[INFO] [stderr] 243 |       ValueKind::Add(lhs, rhs) => try!(write!(f, "add {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:244:35
[INFO] [stderr]     |
[INFO] [stderr] 244 |       ValueKind::Sub(lhs, rhs) => try!(write!(f, "sub {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:246:35
[INFO] [stderr]     |
[INFO] [stderr] 246 |       ValueKind::Shl(lhs, rhs) => try!(write!(f, "shl {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:247:36
[INFO] [stderr]     |
[INFO] [stderr] 247 |       ValueKind::ZShr(lhs, rhs) => try!(write!(f, "zshr {} {}", lhs, rhs)), // zero-extend
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:248:36
[INFO] [stderr]     |
[INFO] [stderr] 248 |       ValueKind::SShr(lhs, rhs) => try!(write!(f, "sshr {} {}", lhs, rhs)), // sign-extend
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:250:35
[INFO] [stderr]     |
[INFO] [stderr] 250 |       ValueKind::And(lhs, rhs) => try!(write!(f, "and {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |       ValueKind::Xor(lhs, rhs) => try!(write!(f, "xor {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:252:34
[INFO] [stderr]     |
[INFO] [stderr] 252 |       ValueKind::Or(lhs, rhs) => try!(write!(f, "or {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:254:34
[INFO] [stderr]     |
[INFO] [stderr] 254 |       ValueKind::Eq(lhs, rhs) => try!(write!(f, "eq {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:255:35
[INFO] [stderr]     |
[INFO] [stderr] 255 |       ValueKind::Neq(lhs, rhs) => try!(write!(f, "neq {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:256:34
[INFO] [stderr]     |
[INFO] [stderr] 256 |       ValueKind::Lt(lhs, rhs) => try!(write!(f, "lt {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:257:34
[INFO] [stderr]     |
[INFO] [stderr] 257 |       ValueKind::Gt(lhs, rhs) => try!(write!(f, "gt {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:258:35
[INFO] [stderr]     |
[INFO] [stderr] 258 |       ValueKind::Lte(lhs, rhs) => try!(write!(f, "lte {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:259:35
[INFO] [stderr]     |
[INFO] [stderr] 259 |       ValueKind::Gte(lhs, rhs) => try!(write!(f, "gte {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:60:7
[INFO] [stderr]    |
[INFO] [stderr] 60 |       try!(write!(f, "("));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:63:11
[INFO] [stderr]    |
[INFO] [stderr] 63 |           try!(write!(f, "{}, ", input));
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(write!(f, "{}", self.inputs[self.inputs.len() - 1]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/pcb.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 |       try!(writeln!(f, "{}", func));
[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/function.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(writeln!(f, "define {}{} {{", self.name, self.ty));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/function.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |       try!(write!(f, "{:?}", blk));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     try!(writeln!(f, "{}:", self));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:116:7
[INFO] [stderr]     |
[INFO] [stderr] 116 |       try!(writeln!(f, "  {}: {} = {:?}", value, value.ty(), value));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     try!(writeln!(f, "  {}", self.terminator.get()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(write!(f, "{}", value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |         try!(write!(f, "call {}(", function.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             try!(write!(f, "%{}, ", i));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:233:11
[INFO] [stderr]     |
[INFO] [stderr] 233 |           try!(write!(f, "%{}", parameters.len() - 1));
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         try!(write!(f, ")"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:237:35
[INFO] [stderr]     |
[INFO] [stderr] 237 |       ValueKind::Mul(lhs, rhs) => try!(write!(f, "mul {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:238:36
[INFO] [stderr]     |
[INFO] [stderr] 238 |       ValueKind::UDiv(lhs, rhs) => try!(write!(f, "udiv {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:239:36
[INFO] [stderr]     |
[INFO] [stderr] 239 |       ValueKind::SDiv(lhs, rhs) => try!(write!(f, "sdiv {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:240:36
[INFO] [stderr]     |
[INFO] [stderr] 240 |       ValueKind::URem(lhs, rhs) => try!(write!(f, "urem {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:241:36
[INFO] [stderr]     |
[INFO] [stderr] 241 |       ValueKind::SRem(lhs, rhs) => try!(write!(f, "srem {} {}", lhs, rhs)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:243:35
[INFO] [stderr]     |
[INFO] [stderr] 243 |       ValueKind::Add(lhs, rhs) => try!(write!(f, "add {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:244:35
[INFO] [stderr]     |
[INFO] [stderr] 244 |       ValueKind::Sub(lhs, rhs) => try!(write!(f, "sub {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:246:35
[INFO] [stderr]     |
[INFO] [stderr] 246 |       ValueKind::Shl(lhs, rhs) => try!(write!(f, "shl {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:247:36
[INFO] [stderr]     |
[INFO] [stderr] 247 |       ValueKind::ZShr(lhs, rhs) => try!(write!(f, "zshr {} {}", lhs, rhs)), // zero-extend
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:248:36
[INFO] [stderr]     |
[INFO] [stderr] 248 |       ValueKind::SShr(lhs, rhs) => try!(write!(f, "sshr {} {}", lhs, rhs)), // sign-extend
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:250:35
[INFO] [stderr]     |
[INFO] [stderr] 250 |       ValueKind::And(lhs, rhs) => try!(write!(f, "and {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |       ValueKind::Xor(lhs, rhs) => try!(write!(f, "xor {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:252:34
[INFO] [stderr]     |
[INFO] [stderr] 252 |       ValueKind::Or(lhs, rhs) => try!(write!(f, "or {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:254:34
[INFO] [stderr]     |
[INFO] [stderr] 254 |       ValueKind::Eq(lhs, rhs) => try!(write!(f, "eq {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:255:35
[INFO] [stderr]     |
[INFO] [stderr] 255 |       ValueKind::Neq(lhs, rhs) => try!(write!(f, "neq {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:256:34
[INFO] [stderr]     |
[INFO] [stderr] 256 |       ValueKind::Lt(lhs, rhs) => try!(write!(f, "lt {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:257:34
[INFO] [stderr]     |
[INFO] [stderr] 257 |       ValueKind::Gt(lhs, rhs) => try!(write!(f, "gt {} {}", lhs, rhs)),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:258:35
[INFO] [stderr]     |
[INFO] [stderr] 258 |       ValueKind::Lte(lhs, rhs) => try!(write!(f, "lte {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/function.rs:259:35
[INFO] [stderr]     |
[INFO] [stderr] 259 |       ValueKind::Gte(lhs, rhs) => try!(write!(f, "gte {} {}", lhs, rhs)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:60:7
[INFO] [stderr]    |
[INFO] [stderr] 60 |       try!(write!(f, "("));
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:63:11
[INFO] [stderr]    |
[INFO] [stderr] 63 |           try!(write!(f, "{}, ", input));
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ty.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(write!(f, "{}", self.inputs[self.inputs.len() - 1]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "3724e46821bade820b95bd5c5ccf667a3e6a1947b8fe86d0d4a4477576563062"`
[INFO] running `"docker" "rm" "-f" "3724e46821bade820b95bd5c5ccf667a3e6a1947b8fe86d0d4a4477576563062"`
[INFO] [stdout] 3724e46821bade820b95bd5c5ccf667a3e6a1947b8fe86d0d4a4477576563062
