[INFO] crate gurobi 0.3.4 is already in cache
[INFO] checking gurobi-0.3.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate gurobi 0.3.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate gurobi 0.3.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gurobi 0.3.4
[INFO] finished tweaking crates.io crate gurobi 0.3.4
[INFO] tweaked toml for crates.io crate gurobi 0.3.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate gurobi 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 38055c0ecd71ef438d481bc616f6edcd85eb61187a6b7f086dc0e2581977321c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "38055c0ecd71ef438d481bc616f6edcd85eb61187a6b7f086dc0e2581977321c"`
[INFO] [stderr]    Compiling gurobi-sys v0.3.0
[INFO] [stderr]     Checking gurobi v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `extend_from_slice`
[INFO] [stderr]   --> src/lib.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 | #![allow(extend_from_slice)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `explicit_iter_loop`
[INFO] [stderr]   --> src/lib.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 | #![allow(explicit_iter_loop)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/env.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `transmute_ptr_to_ref`
[INFO] [stderr]    --> src/model.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 | #[allow(transmute_ptr_to_ref)] // Clippy gives a false positive here.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `useless_transmute`
[INFO] [stderr]    --> src/model.rs:508:11
[INFO] [stderr]     |
[INFO] [stderr] 508 |   #[allow(useless_transmute)] // Clippy gives a false positive here.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `extend_from_slice`
[INFO] [stderr]   --> src/lib.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 | #![allow(extend_from_slice)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `explicit_iter_loop`
[INFO] [stderr]   --> src/lib.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 | #![allow(explicit_iter_loop)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/env.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `transmute_ptr_to_ref`
[INFO] [stderr]    --> src/model.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 | #[allow(transmute_ptr_to_ref)] // Clippy gives a false positive here.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/util.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/util.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]    --> src/util.rs:129:11
[INFO] [stderr]     |
[INFO] [stderr] 129 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]    --> src/util.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `useless_transmute`
[INFO] [stderr]    --> src/model.rs:508:11
[INFO] [stderr]     |
[INFO] [stderr] 508 |   #[allow(useless_transmute)] // Clippy gives a false positive here.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/util.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]   --> src/util.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]    --> src/util.rs:129:11
[INFO] [stderr]     |
[INFO] [stderr] 129 |   #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `temporary_cstring_as_ptr`
[INFO] [stderr]    --> src/util.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let logfilename = try!(CString::new(logfilename));
[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/env.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let logfilename = try!(CString::new(logfilename));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let computeserver = try!(CString::new(computeserver));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let password = try!(CString::new(password));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     try!(self.check_apicall(unsafe { P::get_param(self.env, param.into().as_ptr(), value.as_rawptr()) }));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let filename = try!(CString::new(filename));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let filename = try!(CString::new(filename));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:227:19
[INFO] [stderr]     |
[INFO] [stderr] 227 |           coldel: try!(callback.get_int(PRESOLVE, PRE_COLDEL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:228:19
[INFO] [stderr]     |
[INFO] [stderr] 228 |           rowdel: try!(callback.get_int(PRESOLVE, PRE_ROWDEL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:229:19
[INFO] [stderr]     |
[INFO] [stderr] 229 |           senchg: try!(callback.get_int(PRESOLVE, PRE_SENCHG)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |           bndchg: try!(callback.get_int(PRESOLVE, PRE_BNDCHG)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:231:19
[INFO] [stderr]     |
[INFO] [stderr] 231 |           coecfg: try!(callback.get_int(PRESOLVE, PRE_COECHG))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:237:19
[INFO] [stderr]     |
[INFO] [stderr] 237 |           itrcnt: try!(callback.get_double(SIMPLEX, SPX_ITRCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:238:19
[INFO] [stderr]     |
[INFO] [stderr] 238 |           objval: try!(callback.get_double(SIMPLEX, SPX_OBJVAL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:239:20
[INFO] [stderr]     |
[INFO] [stderr] 239 |           priminf: try!(callback.get_double(SIMPLEX, SPX_PRIMINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |           dualinf: try!(callback.get_double(SIMPLEX, SPX_DUALINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:241:19
[INFO] [stderr]     |
[INFO] [stderr] 241 |           ispert: try!(callback.get_int(SIMPLEX, SPX_ISPERT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:246:19
[INFO] [stderr]     |
[INFO] [stderr] 246 |           objbst: try!(callback.get_double(MIP, MIP_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |           objbnd: try!(callback.get_double(MIP, MIP_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:248:19
[INFO] [stderr]     |
[INFO] [stderr] 248 |           nodcnt: try!(callback.get_double(MIP, MIP_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:249:19
[INFO] [stderr]     |
[INFO] [stderr] 249 |           solcnt: try!(callback.get_double(MIP, MIP_SOLCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:250:19
[INFO] [stderr]     |
[INFO] [stderr] 250 |           cutcnt: try!(callback.get_int(MIP, MIP_CUTCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:251:20
[INFO] [stderr]     |
[INFO] [stderr] 251 |           nodleft: try!(callback.get_double(MIP, MIP_NODLFT)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:252:19
[INFO] [stderr]     |
[INFO] [stderr] 252 |           itrcnt: try!(callback.get_double(MIP, MIP_ITRCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:257:16
[INFO] [stderr]     |
[INFO] [stderr] 257 |           obj: try!(callback.get_double(MIPSOL, MIPSOL_OBJ)),
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 |           objbst: try!(callback.get_double(MIPSOL, MIPSOL_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:259:19
[INFO] [stderr]     |
[INFO] [stderr] 259 |           objbnd: try!(callback.get_double(MIPSOL, MIPSOL_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |           nodcnt: try!(callback.get_double(MIPSOL, MIPSOL_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |           solcnt: try!(callback.get_double(MIPSOL, MIPSOL_SOLCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:266:19
[INFO] [stderr]     |
[INFO] [stderr] 266 |           status: try!(callback.get_int(MIPNODE, MIPNODE_STATUS)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:267:19
[INFO] [stderr]     |
[INFO] [stderr] 267 |           objbst: try!(callback.get_double(MIPNODE, MIPNODE_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:268:19
[INFO] [stderr]     |
[INFO] [stderr] 268 |           objbnd: try!(callback.get_double(MIPNODE, MIPNODE_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:269:19
[INFO] [stderr]     |
[INFO] [stderr] 269 |           nodcnt: try!(callback.get_double(MIPNODE, MIPNODE_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 |           solcnt: try!(callback.get_int(MIPNODE, MIPNODE_SOLCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:273:33
[INFO] [stderr]     |
[INFO] [stderr] 273 |       MESSAGE => Where::Message(try!(callback.get_string(MESSAGE, MSG_STRING)).trim().to_owned()),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:276:19
[INFO] [stderr]     |
[INFO] [stderr] 276 |           itrcnt: try!(callback.get_int(BARRIER, BARRIER_ITRCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:277:20
[INFO] [stderr]     |
[INFO] [stderr] 277 |           primobj: try!(callback.get_double(BARRIER, BARRIER_PRIMOBJ)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:278:20
[INFO] [stderr]     |
[INFO] [stderr] 278 |           dualobj: try!(callback.get_double(BARRIER, BARRIER_DUALOBJ)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:279:20
[INFO] [stderr]     |
[INFO] [stderr] 279 |           priminf: try!(callback.get_double(BARRIER, BARRIER_PRIMINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:280:20
[INFO] [stderr]     |
[INFO] [stderr] 280 |           dualinf: try!(callback.get_double(BARRIER, BARRIER_DUALINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:281:18
[INFO] [stderr]     |
[INFO] [stderr] 281 |           compl: try!(callback.get_double(BARRIER, BARRIER_COMPL))
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let vars = try!(model.get_values(attr::X, self.vars.as_slice()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:138:16
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let lind = try!(model.get_values(attr::X, self.lind.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:139:16
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let qrow = try!(model.get_values(attr::X, self.qrow.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let qcol = try!(model.get_values(attr::X, self.qcol.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     try!(model.populate());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |     let modelname = try!(CString::new(modelname));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     try!(env.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:361:20
[INFO] [stderr]     |
[INFO] [stderr] 361 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     try!(env.check_apicall(unsafe { ffi::GRBreadmodel(env.get_ptr(), filename.as_ptr(), &mut model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:449:7
[INFO] [stderr]     |
[INFO] [stderr] 449 |       try!(self.check_apicall(unsafe { ffi::GRBdelvars(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:454:7
[INFO] [stderr]     |
[INFO] [stderr] 454 |       try!(self.check_apicall(unsafe { ffi::GRBdelconstrs(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:459:7
[INFO] [stderr]     |
[INFO] [stderr] 459 |       try!(self.check_apicall(unsafe { ffi::GRBdelqconstrs(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:464:7
[INFO] [stderr]     |
[INFO] [stderr] 464 |       try!(self.check_apicall(unsafe { ffi::GRBdelsos(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:468:5
[INFO] [stderr]     |
[INFO] [stderr] 468 |     try!(self.check_apicall(unsafe { ffi::GRBupdatemodel(self.model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:488:20
[INFO] [stderr]     |
[INFO] [stderr] 488 |         let mode = try!(self.env.get(param::UpdateMode));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:497:5
[INFO] [stderr]     |
[INFO] [stderr] 497 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:512:5
[INFO] [stderr]     |
[INFO] [stderr] 512 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:517:5
[INFO] [stderr]     |
[INFO] [stderr] 517 |     try!(self.check_apicall(unsafe { ffi::GRBsetcallbackfunc(self.model, callback_wrapper, transmute(&usrdata)) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:519:5
[INFO] [stderr]     |
[INFO] [stderr] 519 |     try!(self.check_apicall(unsafe { ffi::GRBoptimize(self.model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:586:20
[INFO] [stderr]     |
[INFO] [stderr] 586 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:592:20
[INFO] [stderr]     |
[INFO] [stderr] 592 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:617:16
[INFO] [stderr]     |
[INFO] [stderr] 617 |     let name = try!(CString::new(name));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:618:5
[INFO] [stderr]     |
[INFO] [stderr] 618 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:630:21
[INFO] [stderr]     |
[INFO] [stderr] 630 |     let col_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:652:20
[INFO] [stderr]     |
[INFO] [stderr] 652 |         let name = try!(CString::new(name));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:710:16
[INFO] [stderr]     |
[INFO] [stderr] 710 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:725:22
[INFO] [stderr]     |
[INFO] [stderr] 725 |     let constrname = try!(CString::new(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:727:5
[INFO] [stderr]     |
[INFO] [stderr] 727 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:737:21
[INFO] [stderr]     |
[INFO] [stderr] 737 |     let row_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:752:18
[INFO] [stderr]     |
[INFO] [stderr] 752 |       let name = try!(CString::new(s));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:774:5
[INFO] [stderr]     |
[INFO] [stderr] 774 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:786:16
[INFO] [stderr]     |
[INFO] [stderr] 786 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:807:22
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let constrname = try!(CString::new(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:809:5
[INFO] [stderr]     |
[INFO] [stderr] 809 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:819:16
[INFO] [stderr]     |
[INFO] [stderr] 819 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:844:18
[INFO] [stderr]     |
[INFO] [stderr] 844 |       let name = try!(CString::new(s));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:866:5
[INFO] [stderr]     |
[INFO] [stderr] 866 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:878:16
[INFO] [stderr]     |
[INFO] [stderr] 878 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:897:22
[INFO] [stderr]     |
[INFO] [stderr] 897 |     let constrname = try!(CString::new(constrname));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:899:5
[INFO] [stderr]     |
[INFO] [stderr] 899 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:913:22
[INFO] [stderr]     |
[INFO] [stderr] 913 |     let qrow_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:932:5
[INFO] [stderr]     |
[INFO] [stderr] 932 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |     let sos_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:959:5
[INFO] [stderr]     |
[INFO] [stderr] 959 |     try!(self.del_qpterms());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:960:5
[INFO] [stderr]     |
[INFO] [stderr] 960 |     try!(self.add_qpterms(qrow.as_slice(), qcol.as_slice(), qval.as_slice()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:962:5
[INFO] [stderr]     |
[INFO] [stderr] 962 |     try!(self.set_list(attr::Obj, lind.as_slice(), lval.as_slice()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:971:5
[INFO] [stderr]     |
[INFO] [stderr] 971 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:981:5
[INFO] [stderr]     |
[INFO] [stderr] 981 |     try!(self.check_apicall(unsafe { A::set_attr(self.model, attr.into().as_ptr(), util::From::from(value)) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:993:5
[INFO] [stderr]     |
[INFO] [stderr] 993 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1006:5
[INFO] [stderr]      |
[INFO] [stderr] 1006 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1037:5
[INFO] [stderr]      |
[INFO] [stderr] 1037 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1053:5
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     try!(self.set_list(attr,
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1074:18
[INFO] [stderr]      |
[INFO] [stderr] 1074 |     let values = try!(A::to_rawsets(values));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1147:5
[INFO] [stderr]      |
[INFO] [stderr] 1147 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1156:5
[INFO] [stderr]      |
[INFO] [stderr] 1156 |     try!(self.update());
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1158:16
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     let cols = try!(self.get(attr::NumVars)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1159:16
[INFO] [stderr]      |
[INFO] [stderr] 1159 |     let rows = try!(self.get(attr::NumConstrs)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1160:17
[INFO] [stderr]      |
[INFO] [stderr] 1160 |     let qrows = try!(self.get(attr::NumQConstrs)) as usize;
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1200:5
[INFO] [stderr]      |
[INFO] [stderr] 1200 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1231:5
[INFO] [stderr]      |
[INFO] [stderr] 1231 |     try!(self.check_apicall(unsafe { ffi::GRBgetcoeff(self.model, var.index(), constr.index(), &mut value) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1237:5
[INFO] [stderr]      |
[INFO] [stderr] 1237 |     try!(self.check_apicall(unsafe { ffi::GRBchgcoeffs(self.model, 1, &constr.index(), &var.index(), &value) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1250:5
[INFO] [stderr]      |
[INFO] [stderr] 1250 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1261:16
[INFO] [stderr]      |
[INFO] [stderr] 1261 |     let cols = try!(self.get(attr::NumVars)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1262:16
[INFO] [stderr]      |
[INFO] [stderr] 1262 |     let rows = try!(self.get(attr::NumConstrs)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1263:23
[INFO] [stderr]      |
[INFO] [stderr] 1263 |     let numqconstrs = try!(self.get(attr::NumQConstrs)) as usize;
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1264:18
[INFO] [stderr]      |
[INFO] [stderr] 1264 |     let numsos = try!(self.get(attr::NumSOS)) as usize;
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1279:5
[INFO] [stderr]      |
[INFO] [stderr] 1279 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1291:5
[INFO] [stderr]      |
[INFO] [stderr] 1291 |     try!(self.check_apicall(unsafe { ffi::GRBdelq(self.model) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/attr.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |       let value = try!(CString::new(value.as_str()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/model.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |       1...14 => unsafe { transmute(val as i8) },
[INFO] [stderr]     |        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |   callback: &'a mut FnMut(Callback) -> Result<()>
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Callback) -> Result<()>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let logfilename = try!(CString::new(logfilename));
[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/env.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let logfilename = try!(CString::new(logfilename));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let computeserver = try!(CString::new(computeserver));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let password = try!(CString::new(password));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     try!(self.check_apicall(unsafe { P::get_param(self.env, param.into().as_ptr(), value.as_rawptr()) }));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let filename = try!(CString::new(filename));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/env.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let filename = try!(CString::new(filename));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:227:19
[INFO] [stderr]     |
[INFO] [stderr] 227 |           coldel: try!(callback.get_int(PRESOLVE, PRE_COLDEL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:228:19
[INFO] [stderr]     |
[INFO] [stderr] 228 |           rowdel: try!(callback.get_int(PRESOLVE, PRE_ROWDEL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:229:19
[INFO] [stderr]     |
[INFO] [stderr] 229 |           senchg: try!(callback.get_int(PRESOLVE, PRE_SENCHG)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |           bndchg: try!(callback.get_int(PRESOLVE, PRE_BNDCHG)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:231:19
[INFO] [stderr]     |
[INFO] [stderr] 231 |           coecfg: try!(callback.get_int(PRESOLVE, PRE_COECHG))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:237:19
[INFO] [stderr]     |
[INFO] [stderr] 237 |           itrcnt: try!(callback.get_double(SIMPLEX, SPX_ITRCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:238:19
[INFO] [stderr]     |
[INFO] [stderr] 238 |           objval: try!(callback.get_double(SIMPLEX, SPX_OBJVAL)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:239:20
[INFO] [stderr]     |
[INFO] [stderr] 239 |           priminf: try!(callback.get_double(SIMPLEX, SPX_PRIMINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |           dualinf: try!(callback.get_double(SIMPLEX, SPX_DUALINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:241:19
[INFO] [stderr]     |
[INFO] [stderr] 241 |           ispert: try!(callback.get_int(SIMPLEX, SPX_ISPERT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:246:19
[INFO] [stderr]     |
[INFO] [stderr] 246 |           objbst: try!(callback.get_double(MIP, MIP_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |           objbnd: try!(callback.get_double(MIP, MIP_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:248:19
[INFO] [stderr]     |
[INFO] [stderr] 248 |           nodcnt: try!(callback.get_double(MIP, MIP_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:249:19
[INFO] [stderr]     |
[INFO] [stderr] 249 |           solcnt: try!(callback.get_double(MIP, MIP_SOLCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:250:19
[INFO] [stderr]     |
[INFO] [stderr] 250 |           cutcnt: try!(callback.get_int(MIP, MIP_CUTCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:251:20
[INFO] [stderr]     |
[INFO] [stderr] 251 |           nodleft: try!(callback.get_double(MIP, MIP_NODLFT)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:252:19
[INFO] [stderr]     |
[INFO] [stderr] 252 |           itrcnt: try!(callback.get_double(MIP, MIP_ITRCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:257:16
[INFO] [stderr]     |
[INFO] [stderr] 257 |           obj: try!(callback.get_double(MIPSOL, MIPSOL_OBJ)),
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 |           objbst: try!(callback.get_double(MIPSOL, MIPSOL_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:259:19
[INFO] [stderr]     |
[INFO] [stderr] 259 |           objbnd: try!(callback.get_double(MIPSOL, MIPSOL_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |           nodcnt: try!(callback.get_double(MIPSOL, MIPSOL_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |           solcnt: try!(callback.get_double(MIPSOL, MIPSOL_SOLCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:266:19
[INFO] [stderr]     |
[INFO] [stderr] 266 |           status: try!(callback.get_int(MIPNODE, MIPNODE_STATUS)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:267:19
[INFO] [stderr]     |
[INFO] [stderr] 267 |           objbst: try!(callback.get_double(MIPNODE, MIPNODE_OBJBST)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:268:19
[INFO] [stderr]     |
[INFO] [stderr] 268 |           objbnd: try!(callback.get_double(MIPNODE, MIPNODE_OBJBND)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:269:19
[INFO] [stderr]     |
[INFO] [stderr] 269 |           nodcnt: try!(callback.get_double(MIPNODE, MIPNODE_NODCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 |           solcnt: try!(callback.get_int(MIPNODE, MIPNODE_SOLCNT))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:273:33
[INFO] [stderr]     |
[INFO] [stderr] 273 |       MESSAGE => Where::Message(try!(callback.get_string(MESSAGE, MSG_STRING)).trim().to_owned()),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:276:19
[INFO] [stderr]     |
[INFO] [stderr] 276 |           itrcnt: try!(callback.get_int(BARRIER, BARRIER_ITRCNT)),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:277:20
[INFO] [stderr]     |
[INFO] [stderr] 277 |           primobj: try!(callback.get_double(BARRIER, BARRIER_PRIMOBJ)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:278:20
[INFO] [stderr]     |
[INFO] [stderr] 278 |           dualobj: try!(callback.get_double(BARRIER, BARRIER_DUALOBJ)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:279:20
[INFO] [stderr]     |
[INFO] [stderr] 279 |           priminf: try!(callback.get_double(BARRIER, BARRIER_PRIMINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:280:20
[INFO] [stderr]     |
[INFO] [stderr] 280 |           dualinf: try!(callback.get_double(BARRIER, BARRIER_DUALINF)),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/callback.rs:281:18
[INFO] [stderr]     |
[INFO] [stderr] 281 |           compl: try!(callback.get_double(BARRIER, BARRIER_COMPL))
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/expr.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let vars = try!(model.get_values(attr::X, self.vars.as_slice()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:138:16
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let lind = try!(model.get_values(attr::X, self.lind.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:139:16
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let qrow = try!(model.get_values(attr::X, self.qrow.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let qcol = try!(model.get_values(attr::X, self.qcol.as_slice()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     try!(model.populate());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |     let modelname = try!(CString::new(modelname));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     try!(env.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:361:20
[INFO] [stderr]     |
[INFO] [stderr] 361 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     try!(env.check_apicall(unsafe { ffi::GRBreadmodel(env.get_ptr(), filename.as_ptr(), &mut model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:449:7
[INFO] [stderr]     |
[INFO] [stderr] 449 |       try!(self.check_apicall(unsafe { ffi::GRBdelvars(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:454:7
[INFO] [stderr]     |
[INFO] [stderr] 454 |       try!(self.check_apicall(unsafe { ffi::GRBdelconstrs(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:459:7
[INFO] [stderr]     |
[INFO] [stderr] 459 |       try!(self.check_apicall(unsafe { ffi::GRBdelqconstrs(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:464:7
[INFO] [stderr]     |
[INFO] [stderr] 464 |       try!(self.check_apicall(unsafe { ffi::GRBdelsos(self.model, delind.len() as ffi::c_int, delind.as_ptr()) }));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:468:5
[INFO] [stderr]     |
[INFO] [stderr] 468 |     try!(self.check_apicall(unsafe { ffi::GRBupdatemodel(self.model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:488:20
[INFO] [stderr]     |
[INFO] [stderr] 488 |         let mode = try!(self.env.get(param::UpdateMode));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:497:5
[INFO] [stderr]     |
[INFO] [stderr] 497 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:512:5
[INFO] [stderr]     |
[INFO] [stderr] 512 |     try!(self.update());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:517:5
[INFO] [stderr]     |
[INFO] [stderr] 517 |     try!(self.check_apicall(unsafe { ffi::GRBsetcallbackfunc(self.model, callback_wrapper, transmute(&usrdata)) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:519:5
[INFO] [stderr]     |
[INFO] [stderr] 519 |     try!(self.check_apicall(unsafe { ffi::GRBoptimize(self.model) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:586:20
[INFO] [stderr]     |
[INFO] [stderr] 586 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:592:20
[INFO] [stderr]     |
[INFO] [stderr] 592 |     let filename = try!(CString::new(filename));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:617:16
[INFO] [stderr]     |
[INFO] [stderr] 617 |     let name = try!(CString::new(name));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:618:5
[INFO] [stderr]     |
[INFO] [stderr] 618 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:630:21
[INFO] [stderr]     |
[INFO] [stderr] 630 |     let col_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:652:20
[INFO] [stderr]     |
[INFO] [stderr] 652 |         let name = try!(CString::new(name));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:710:16
[INFO] [stderr]     |
[INFO] [stderr] 710 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:725:22
[INFO] [stderr]     |
[INFO] [stderr] 725 |     let constrname = try!(CString::new(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:727:5
[INFO] [stderr]     |
[INFO] [stderr] 727 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:737:21
[INFO] [stderr]     |
[INFO] [stderr] 737 |     let row_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:752:18
[INFO] [stderr]     |
[INFO] [stderr] 752 |       let name = try!(CString::new(s));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:774:5
[INFO] [stderr]     |
[INFO] [stderr] 774 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:786:16
[INFO] [stderr]     |
[INFO] [stderr] 786 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:807:22
[INFO] [stderr]     |
[INFO] [stderr] 807 |     let constrname = try!(CString::new(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:809:5
[INFO] [stderr]     |
[INFO] [stderr] 809 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:819:16
[INFO] [stderr]     |
[INFO] [stderr] 819 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:844:18
[INFO] [stderr]     |
[INFO] [stderr] 844 |       let name = try!(CString::new(s));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:866:5
[INFO] [stderr]     |
[INFO] [stderr] 866 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:878:16
[INFO] [stderr]     |
[INFO] [stderr] 878 |     let mode = try!(self.get_update_mode());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:897:22
[INFO] [stderr]     |
[INFO] [stderr] 897 |     let constrname = try!(CString::new(constrname));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:899:5
[INFO] [stderr]     |
[INFO] [stderr] 899 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:913:22
[INFO] [stderr]     |
[INFO] [stderr] 913 |     let qrow_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:932:5
[INFO] [stderr]     |
[INFO] [stderr] 932 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |     let sos_no = if try!(self.get_update_mode()) != 0 {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:959:5
[INFO] [stderr]     |
[INFO] [stderr] 959 |     try!(self.del_qpterms());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:960:5
[INFO] [stderr]     |
[INFO] [stderr] 960 |     try!(self.add_qpterms(qrow.as_slice(), qcol.as_slice(), qval.as_slice()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:962:5
[INFO] [stderr]     |
[INFO] [stderr] 962 |     try!(self.set_list(attr::Obj, lind.as_slice(), lval.as_slice()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:971:5
[INFO] [stderr]     |
[INFO] [stderr] 971 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:981:5
[INFO] [stderr]     |
[INFO] [stderr] 981 |     try!(self.check_apicall(unsafe { A::set_attr(self.model, attr.into().as_ptr(), util::From::from(value)) }));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/model.rs:993:5
[INFO] [stderr]     |
[INFO] [stderr] 993 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1006:5
[INFO] [stderr]      |
[INFO] [stderr] 1006 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1037:5
[INFO] [stderr]      |
[INFO] [stderr] 1037 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1053:5
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     try!(self.set_list(attr,
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1074:18
[INFO] [stderr]      |
[INFO] [stderr] 1074 |     let values = try!(A::to_rawsets(values));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/param.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   #[inline(always)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1147:5
[INFO] [stderr]      |
[INFO] [stderr] 1147 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/param.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   #[inline(always)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1156:5
[INFO] [stderr]      |
[INFO] [stderr] 1156 |     try!(self.update());
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1158:16
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     let cols = try!(self.get(attr::NumVars)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1159:16
[INFO] [stderr]      |
[INFO] [stderr] 1159 |     let rows = try!(self.get(attr::NumConstrs)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1160:17
[INFO] [stderr]      |
[INFO] [stderr] 1160 |     let qrows = try!(self.get(attr::NumQConstrs)) as usize;
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1200:5
[INFO] [stderr]      |
[INFO] [stderr] 1200 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1231:5
[INFO] [stderr]      |
[INFO] [stderr] 1231 |     try!(self.check_apicall(unsafe { ffi::GRBgetcoeff(self.model, var.index(), constr.index(), &mut value) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1237:5
[INFO] [stderr]      |
[INFO] [stderr] 1237 |     try!(self.check_apicall(unsafe { ffi::GRBchgcoeffs(self.model, 1, &constr.index(), &var.index(), &value) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1250:5
[INFO] [stderr]      |
[INFO] [stderr] 1250 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1261:16
[INFO] [stderr]      |
[INFO] [stderr] 1261 |     let cols = try!(self.get(attr::NumVars)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1262:16
[INFO] [stderr]      |
[INFO] [stderr] 1262 |     let rows = try!(self.get(attr::NumConstrs)) as usize;
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1263:23
[INFO] [stderr]      |
[INFO] [stderr] 1263 |     let numqconstrs = try!(self.get(attr::NumQConstrs)) as usize;
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1264:18
[INFO] [stderr]      |
[INFO] [stderr] 1264 |     let numsos = try!(self.get(attr::NumSOS)) as usize;
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1279:5
[INFO] [stderr]      |
[INFO] [stderr] 1279 |     try!(self.check_apicall(unsafe {
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/model.rs:1291:5
[INFO] [stderr]      |
[INFO] [stderr] 1291 |     try!(self.check_apicall(unsafe { ffi::GRBdelq(self.model) }));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/attr.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |       let value = try!(CString::new(value.as_str()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/model.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |       1...14 => unsafe { transmute(val as i8) },
[INFO] [stderr]     |        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |   callback: &'a mut FnMut(Callback) -> Result<()>
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Callback) -> Result<()>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/param.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   #[inline(always)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/param.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   #[inline(always)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 |       Error::NulError(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 |       Error::NulError(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/model.rs:254:7
[INFO] [stderr]     |
[INFO] [stderr] 254 |   let mut usrdata = unsafe { transmute::<_, &mut CallbackData>(usrdata) };
[INFO] [stderr]     |       ----^^^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/model.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |     for (i, mut elem) in vec.iter_mut().enumerate() {
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/expr.rs:325:16
[INFO] [stderr]     |
[INFO] [stderr] 325 |   fn sub(self, mut rhs: LinExpr) -> Self::Output {
[INFO] [stderr]     |                ----^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/model.rs:254:7
[INFO] [stderr]     |
[INFO] [stderr] 254 |   let mut usrdata = unsafe { transmute::<_, &mut CallbackData>(usrdata) };
[INFO] [stderr]     |       ----^^^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/model.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |     for (i, mut elem) in vec.iter_mut().enumerate() {
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/expr.rs:325:16
[INFO] [stderr]     |
[INFO] [stderr] 325 |   fn sub(self, mut rhs: LinExpr) -> Self::Output {
[INFO] [stderr]     |                ----^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/callback.rs:90:19
[INFO] [stderr]    |
[INFO] [stderr] 90 |           let x = try!(ctx.get_solution(vars.as_slice()));
[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]    --> examples/callback.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let x = try!(ctx.get_node_rel(vars.as_slice()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> examples/callback.rs:104:11
[INFO] [stderr]     |
[INFO] [stderr] 104 |           try!(ctx.set_solution(vars.as_slice(), x.as_slice()));
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/piecewise.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 |   try!(model.optimize());
[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]   --> examples/workforce/mod.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |   let mut model = try!(Model::new("assignment", &env));
[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]   --> examples/piecewise.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |   println!("IsMIP = {}", try!(model.get(attr::IsMIP)) != 0);
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/piecewise.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let vname = try!(v.get(&model, attr::VarName));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/piecewise.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let x = try!(v.get(&model, attr::X));;
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/piecewise.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |   println!("Obj = {}\n", try!(model.get(attr::ObjVal)));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> examples/piecewise.rs:57:42
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let x = try!(v.get(&model, attr::X));;
[INFO] [stderr]    |                                          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |   let mut model = try!(Model::new("assignment", &env));
[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]   --> examples/workforce/mod.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |       let v = try!(model.add_var(vname.as_str(), Continuous, 0.0, -INFINITY, availability as f64, &[], &[]));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |       let v = try!(model.add_var(vname.as_str(), Continuous, 0.0, -INFINITY, availability as f64, &[], &[]));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |   try!(model.update());
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |   try!(model.update());
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   try!(model.set_objective(objexpr, Minimize));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   try!(model.set_objective(objexpr, Minimize));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(model.add_constr(format!("c.{}", shift).as_str(),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(model.add_constr(format!("c.{}", shift).as_str(),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |   let mut model = try!(Model::new("assignment", &env));
[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]   --> examples/workforce/mod.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |       let v = try!(model.add_var(vname.as_str(), Continuous, 0.0, -INFINITY, availability as f64, &[], &[]));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |   try!(model.update());
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   try!(model.set_objective(objexpr, Minimize));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/workforce/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(model.add_constr(format!("c.{}", shift).as_str(),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `"docker" "inspect" "38055c0ecd71ef438d481bc616f6edcd85eb61187a6b7f086dc0e2581977321c"`
[INFO] running `"docker" "rm" "-f" "38055c0ecd71ef438d481bc616f6edcd85eb61187a6b7f086dc0e2581977321c"`
[INFO] [stdout] 38055c0ecd71ef438d481bc616f6edcd85eb61187a6b7f086dc0e2581977321c
