[INFO] cloning repository https://github.com/maekawatoshiki/rcaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maekawatoshiki/rcaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frcaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frcaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9824653d7acd5de76731428b52d63e41f51c3e9
[INFO] testing maekawatoshiki/rcaml against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frcaml" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maekawatoshiki/rcaml on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maekawatoshiki/rcaml
[INFO] finished tweaking git repo https://github.com/maekawatoshiki/rcaml
[INFO] tweaked toml for git repo https://github.com/maekawatoshiki/rcaml written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/maekawatoshiki/rcaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1f75ca46423e79db3d1a8bec5add6e6d41b464753e8faf562b160cbb89d79c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b1f75ca46423e79db3d1a8bec5add6e6d41b464753e8faf562b160cbb89d79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1f75ca46423e79db3d1a8bec5add6e6d41b464753e8faf562b160cbb89d79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1f75ca46423e79db3d1a8bec5add6e6d41b464753e8faf562b160cbb89d79c", kill_on_drop: false }`
[INFO] [stdout] 5b1f75ca46423e79db3d1a8bec5add6e6d41b464753e8faf562b160cbb89d79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82ee028af4cd444362a08750bb5addb0d444e3786f58464ca9ed8e6cae646af6
[INFO] running `Command { std: "docker" "start" "-a" "82ee028af4cd444362a08750bb5addb0d444e3786f58464ca9ed8e6cae646af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]    Compiling llvm-sys v39.0.6
[INFO] [stderr]    Compiling rcaml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |         NodeKind::Tuple(ref es) => Ok(Type::Tuple(g_seq!(es))),
[INFO] [stdout]     |                                                   ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:25
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:13
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |             let a = try!(g(lhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let b = try!(g(rhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |             try!(unify(&a, &b, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:416:29
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let callee_ty = try!(g(callee, env, tyenv, idgen));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 |             let functy = Type::Func(g_seq!(args), Box::new(ty.clone()));
[INFO] [stdout]     |                                     ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             try!(unify(&callee_ty, &functy, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |             let t = try!(g(expr, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:425:13
[INFO] [stdout]     |
[INFO] [stdout] 425 |             try!(unify(&t, ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:442:26
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:451:18
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 &try!(g(expr, &env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:25
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:479:30
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:483:13
[INFO] [stdout]     |
[INFO] [stdout] 483 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:25
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let t = try!(g(then_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |             let e = try!(g(else_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(unify(&t, &e, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:25
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 |             let t = try!(g(e2, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:504:13
[INFO] [stdout]     |
[INFO] [stdout] 504 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:505:18
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:25
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 513 |             let t = try!(g(e3, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:514:13
[INFO] [stdout]     |
[INFO] [stdout] 514 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:515:18
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:13
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:25
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 try!(self.gen_fun(&mut env, &fun));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             try!(self.gen_expr(&env, Some(main), &expr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:262:36
[INFO] [stdout]     |
[INFO] [stdout] 262 |         LLVMBuildRet(self.builder, try!(self.gen_int(0)));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:354:23
[INFO] [stdout]     |
[INFO] [stdout] 354 |             let var = try!(self.declare_local_var(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:365:23
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let ret_val = try!(self.gen_expr(&env, Some(llvm_fun), &*cls.body));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |             try!(self.declare_local_var(&mut newenv, cur_fun, name, LLVMTypeOf(llvm_expr_val),));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:482:29
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |             let llvm_elem_val = try!(self.llvm_struct_elem_extract(llvm_expr_val, i as u32));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:486:17
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:547:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let x = try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |             try!(self.llvm_struct_alloc(actual_fv))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:608:22
[INFO] [stdout]     |
[INFO] [stdout] 608 |         let newcls = try!(self.llvm_struct_alloc(vec![fun, actual_fv]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:623:19
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let fun = try!(self.lookup_var(env, &cls.entry)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:627:24
[INFO] [stdout]     |
[INFO] [stdout] 627 |                 v.push(try!(self.lookup_var(env, name)).get(self.builder))
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:631:28
[INFO] [stdout]     |
[INFO] [stdout] 631 |         let (new_env, _) = try!(self.make_cls(env, name.clone(), fun, fv));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |         let x = try!(self.gen_expr(&new_env, cur_fun, body));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:649:17
[INFO] [stdout]     |
[INFO] [stdout] 649 |         let x = try!(self.lookup_var(env, name)).get(self.builder);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:650:19
[INFO] [stdout]     |
[INFO] [stdout] 650 |         let fun = try!(self.llvm_struct_elem_load(x, 0));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:651:18
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let fv = try!(self.llvm_struct_elem_load(x, 1));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:655:28
[INFO] [stdout]     |
[INFO] [stdout] 655 |             let llvm_arg = try!(self.gen_expr(env, cur_fun, &arg));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:694:27
[INFO] [stdout]     |
[INFO] [stdout] 694 |             args_val.push(try!(self.gen_expr(env, cur_fun, &arg)))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:708:19
[INFO] [stdout]     |
[INFO] [stdout] 708 |         let fun = try!(self.lookup_var(env, name)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:729:23
[INFO] [stdout]     |
[INFO] [stdout] 729 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:730:23
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:775:23
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:776:23
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:815:23
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:816:23
[INFO] [stdout]     |
[INFO] [stdout] 816 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:884:24
[INFO] [stdout]     |
[INFO] [stdout] 884 |         let cond_val = try!(self.gen_expr(env, cur_fun, cond));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:895:24
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let then_val = try!(self.gen_expr(env, cur_fun, then));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:904:24
[INFO] [stdout]     |
[INFO] [stdout] 904 |         let else_val = try!(self.gen_expr(env, cur_fun, els));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:963:19
[INFO] [stdout]     |
[INFO] [stdout] 963 |         let val = try!(self.lookup_var(env, name));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:976:24
[INFO] [stdout]     |
[INFO] [stdout] 976 |                 v.push(try!(e));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:982:13
[INFO] [stdout]     |
[INFO] [stdout] 982 |             try!(self.llvm_struct_alloc(es)),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parser.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 | /                 (params
[INFO] [stdout] 70 | |                     .into_iter()
[INFO] [stdout] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 | |                     .collect())
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 params
[INFO] [stdout] 70 |                     .into_iter()
[INFO] [stdout] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 |                     .collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/typing.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     .trim_right_matches(" * ")
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_ty`
[INFO] [stdout]    --> src/codegen.rs:340:39
[INFO] [stdout]     |
[INFO] [stdout] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         ty: &Type,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stdout]   --> src/codegen.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 87 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.47s
[INFO] running `Command { std: "docker" "inspect" "82ee028af4cd444362a08750bb5addb0d444e3786f58464ca9ed8e6cae646af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ee028af4cd444362a08750bb5addb0d444e3786f58464ca9ed8e6cae646af6", kill_on_drop: false }`
[INFO] [stdout] 82ee028af4cd444362a08750bb5addb0d444e3786f58464ca9ed8e6cae646af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4b4bc87a76537db4ec914378e4661a6769a80db7e7d24874a0d1084626f4d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cb4b4bc87a76537db4ec914378e4661a6769a80db7e7d24874a0d1084626f4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcaml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |         NodeKind::Tuple(ref es) => Ok(Type::Tuple(g_seq!(es))),
[INFO] [stdout]     |                                                   ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:25
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:13
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |             let a = try!(g(lhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let b = try!(g(rhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |             try!(unify(&a, &b, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:416:29
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let callee_ty = try!(g(callee, env, tyenv, idgen));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 |             let functy = Type::Func(g_seq!(args), Box::new(ty.clone()));
[INFO] [stdout]     |                                     ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             try!(unify(&callee_ty, &functy, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |             let t = try!(g(expr, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:425:13
[INFO] [stdout]     |
[INFO] [stdout] 425 |             try!(unify(&t, ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:442:26
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:451:18
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 &try!(g(expr, &env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:25
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:479:30
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:483:13
[INFO] [stdout]     |
[INFO] [stdout] 483 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:25
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let t = try!(g(then_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |             let e = try!(g(else_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(unify(&t, &e, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:25
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 |             let t = try!(g(e2, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:504:13
[INFO] [stdout]     |
[INFO] [stdout] 504 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:505:18
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:25
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 513 |             let t = try!(g(e3, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:514:13
[INFO] [stdout]     |
[INFO] [stdout] 514 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:515:18
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:13
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:25
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 try!(self.gen_fun(&mut env, &fun));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             try!(self.gen_expr(&env, Some(main), &expr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:262:36
[INFO] [stdout]     |
[INFO] [stdout] 262 |         LLVMBuildRet(self.builder, try!(self.gen_int(0)));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:354:23
[INFO] [stdout]     |
[INFO] [stdout] 354 |             let var = try!(self.declare_local_var(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:365:23
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let ret_val = try!(self.gen_expr(&env, Some(llvm_fun), &*cls.body));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |             try!(self.declare_local_var(&mut newenv, cur_fun, name, LLVMTypeOf(llvm_expr_val),));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:482:29
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |             let llvm_elem_val = try!(self.llvm_struct_elem_extract(llvm_expr_val, i as u32));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:486:17
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:547:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let x = try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |             try!(self.llvm_struct_alloc(actual_fv))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:608:22
[INFO] [stdout]     |
[INFO] [stdout] 608 |         let newcls = try!(self.llvm_struct_alloc(vec![fun, actual_fv]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:623:19
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let fun = try!(self.lookup_var(env, &cls.entry)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:627:24
[INFO] [stdout]     |
[INFO] [stdout] 627 |                 v.push(try!(self.lookup_var(env, name)).get(self.builder))
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:631:28
[INFO] [stdout]     |
[INFO] [stdout] 631 |         let (new_env, _) = try!(self.make_cls(env, name.clone(), fun, fv));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |         let x = try!(self.gen_expr(&new_env, cur_fun, body));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:649:17
[INFO] [stdout]     |
[INFO] [stdout] 649 |         let x = try!(self.lookup_var(env, name)).get(self.builder);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:650:19
[INFO] [stdout]     |
[INFO] [stdout] 650 |         let fun = try!(self.llvm_struct_elem_load(x, 0));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:651:18
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let fv = try!(self.llvm_struct_elem_load(x, 1));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:655:28
[INFO] [stdout]     |
[INFO] [stdout] 655 |             let llvm_arg = try!(self.gen_expr(env, cur_fun, &arg));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:694:27
[INFO] [stdout]     |
[INFO] [stdout] 694 |             args_val.push(try!(self.gen_expr(env, cur_fun, &arg)))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:708:19
[INFO] [stdout]     |
[INFO] [stdout] 708 |         let fun = try!(self.lookup_var(env, name)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:729:23
[INFO] [stdout]     |
[INFO] [stdout] 729 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:730:23
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:775:23
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:776:23
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:815:23
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:816:23
[INFO] [stdout]     |
[INFO] [stdout] 816 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:884:24
[INFO] [stdout]     |
[INFO] [stdout] 884 |         let cond_val = try!(self.gen_expr(env, cur_fun, cond));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:895:24
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let then_val = try!(self.gen_expr(env, cur_fun, then));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:904:24
[INFO] [stdout]     |
[INFO] [stdout] 904 |         let else_val = try!(self.gen_expr(env, cur_fun, els));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:963:19
[INFO] [stdout]     |
[INFO] [stdout] 963 |         let val = try!(self.lookup_var(env, name));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:976:24
[INFO] [stdout]     |
[INFO] [stdout] 976 |                 v.push(try!(e));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:982:13
[INFO] [stdout]     |
[INFO] [stdout] 982 |             try!(self.llvm_struct_alloc(es)),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parser.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 | /                 (params
[INFO] [stdout] 70 | |                     .into_iter()
[INFO] [stdout] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 | |                     .collect())
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 params
[INFO] [stdout] 70 |                     .into_iter()
[INFO] [stdout] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 |                     .collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/typing.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     .trim_right_matches(" * ")
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_ty`
[INFO] [stdout]    --> src/codegen.rs:340:39
[INFO] [stdout]     |
[INFO] [stdout] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         ty: &Type,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stdout]   --> src/codegen.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 87 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(unify(a, b, tyenv));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |         NodeKind::Tuple(ref es) => Ok(Type::Tuple(g_seq!(es))),
[INFO] [stdout]     |                                                   ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:398:25
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:403:25
[INFO] [stdout]     |
[INFO] [stdout] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:13
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |             let a = try!(g(lhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let b = try!(g(rhs, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |             try!(unify(&a, &b, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:416:29
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let callee_ty = try!(g(callee, env, tyenv, idgen));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:376:47
[INFO] [stdout]     |
[INFO] [stdout] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 |             let functy = Type::Func(g_seq!(args), Box::new(ty.clone()));
[INFO] [stdout]     |                                     ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             try!(unify(&callee_ty, &functy, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |             let t = try!(g(expr, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:425:13
[INFO] [stdout]     |
[INFO] [stdout] 425 |             try!(unify(&t, ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:442:26
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:451:18
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 &try!(g(expr, &env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:462:25
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:479:30
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:483:13
[INFO] [stdout]     |
[INFO] [stdout] 483 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:491:25
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let t = try!(g(then_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |             let e = try!(g(else_, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(unify(&t, &e, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:498:25
[INFO] [stdout]     |
[INFO] [stdout] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 |             let t = try!(g(e2, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:504:13
[INFO] [stdout]     |
[INFO] [stdout] 504 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:505:18
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:509:25
[INFO] [stdout]     |
[INFO] [stdout] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 513 |             let t = try!(g(e3, env, tyenv, idgen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:514:13
[INFO] [stdout]     |
[INFO] [stdout] 514 |             try!(unify(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:515:18
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:13
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typing.rs:519:25
[INFO] [stdout]     |
[INFO] [stdout] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 try!(self.gen_fun(&mut env, &fun));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             try!(self.gen_expr(&env, Some(main), &expr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:262:36
[INFO] [stdout]     |
[INFO] [stdout] 262 |         LLVMBuildRet(self.builder, try!(self.gen_int(0)));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:354:23
[INFO] [stdout]     |
[INFO] [stdout] 354 |             let var = try!(self.declare_local_var(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:365:23
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let ret_val = try!(self.gen_expr(&env, Some(llvm_fun), &*cls.body));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |             try!(self.declare_local_var(&mut newenv, cur_fun, name, LLVMTypeOf(llvm_expr_val),));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:482:29
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |             let llvm_elem_val = try!(self.llvm_struct_elem_extract(llvm_expr_val, i as u32));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:486:17
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:547:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let x = try!(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:606:13
[INFO] [stdout]     |
[INFO] [stdout] 606 |             try!(self.llvm_struct_alloc(actual_fv))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:608:22
[INFO] [stdout]     |
[INFO] [stdout] 608 |         let newcls = try!(self.llvm_struct_alloc(vec![fun, actual_fv]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:623:19
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let fun = try!(self.lookup_var(env, &cls.entry)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:627:24
[INFO] [stdout]     |
[INFO] [stdout] 627 |                 v.push(try!(self.lookup_var(env, name)).get(self.builder))
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:631:28
[INFO] [stdout]     |
[INFO] [stdout] 631 |         let (new_env, _) = try!(self.make_cls(env, name.clone(), fun, fv));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |         let x = try!(self.gen_expr(&new_env, cur_fun, body));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:649:17
[INFO] [stdout]     |
[INFO] [stdout] 649 |         let x = try!(self.lookup_var(env, name)).get(self.builder);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:650:19
[INFO] [stdout]     |
[INFO] [stdout] 650 |         let fun = try!(self.llvm_struct_elem_load(x, 0));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:651:18
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let fv = try!(self.llvm_struct_elem_load(x, 1));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:655:28
[INFO] [stdout]     |
[INFO] [stdout] 655 |             let llvm_arg = try!(self.gen_expr(env, cur_fun, &arg));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:694:27
[INFO] [stdout]     |
[INFO] [stdout] 694 |             args_val.push(try!(self.gen_expr(env, cur_fun, &arg)))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:708:19
[INFO] [stdout]     |
[INFO] [stdout] 708 |         let fun = try!(self.lookup_var(env, name)).retrieve();
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:729:23
[INFO] [stdout]     |
[INFO] [stdout] 729 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:730:23
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:775:23
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:776:23
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:815:23
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:816:23
[INFO] [stdout]     |
[INFO] [stdout] 816 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:884:24
[INFO] [stdout]     |
[INFO] [stdout] 884 |         let cond_val = try!(self.gen_expr(env, cur_fun, cond));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:895:24
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let then_val = try!(self.gen_expr(env, cur_fun, then));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:904:24
[INFO] [stdout]     |
[INFO] [stdout] 904 |         let else_val = try!(self.gen_expr(env, cur_fun, els));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:963:19
[INFO] [stdout]     |
[INFO] [stdout] 963 |         let val = try!(self.lookup_var(env, name));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:976:24
[INFO] [stdout]     |
[INFO] [stdout] 976 |                 v.push(try!(e));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/codegen.rs:982:13
[INFO] [stdout]     |
[INFO] [stdout] 982 |             try!(self.llvm_struct_alloc(es)),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parser.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 | /                 (params
[INFO] [stdout] 70 | |                     .into_iter()
[INFO] [stdout] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 | |                     .collect())
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 params
[INFO] [stdout] 70 |                     .into_iter()
[INFO] [stdout] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stdout] 72 |                     .collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::NodeKind::*`
[INFO] [stdout]    --> src/parser.rs:833:9
[INFO] [stdout]     |
[INFO] [stdout] 833 |     use node::NodeKind::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::FuncDef`
[INFO] [stdout]    --> src/parser.rs:834:9
[INFO] [stdout]     |
[INFO] [stdout] 834 |     use node::FuncDef;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::BinOps::*`
[INFO] [stdout]    --> src/parser.rs:835:9
[INFO] [stdout]     |
[INFO] [stdout] 835 |     use node::BinOps::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::BinOps::*`
[INFO] [stdout]    --> src/parser.rs:836:9
[INFO] [stdout]     |
[INFO] [stdout] 836 |     use node::BinOps::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:751:1
[INFO] [stdout]     |
[INFO] [stdout] 751 | / lazy_static! {
[INFO] [stdout] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stdout] 753 | |         let mut extenv = HashMap::new();
[INFO] [stdout] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     };
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/typing.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     .trim_right_matches(" * ")
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remain`
[INFO] [stdout]    --> src/parser.rs:843:23
[INFO] [stdout]     |
[INFO] [stdout] 843 |         IResult::Done(remain, node) => {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_ty`
[INFO] [stdout]    --> src/codegen.rs:340:39
[INFO] [stdout]     |
[INFO] [stdout] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         ty: &Type,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/codegen.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stdout]   --> src/codegen.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 92 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "cb4b4bc87a76537db4ec914378e4661a6769a80db7e7d24874a0d1084626f4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4b4bc87a76537db4ec914378e4661a6769a80db7e7d24874a0d1084626f4d4", kill_on_drop: false }`
[INFO] [stdout] cb4b4bc87a76537db4ec914378e4661a6769a80db7e7d24874a0d1084626f4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 991c58db535ed60566e2cb1a880f7a867db3ca8a4d089d9ecaedce7080f719b7
[INFO] running `Command { std: "docker" "start" "-a" "991c58db535ed60566e2cb1a880f7a867db3ca8a4d089d9ecaedce7080f719b7", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |                 try!(unify(a, b, tyenv));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 try!(unify(a, b, tyenv));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:376:47
[INFO] [stderr]     |
[INFO] [stderr] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 396 |         NodeKind::Tuple(ref es) => Ok(Type::Tuple(g_seq!(es))),
[INFO] [stderr]     |                                                   ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:398:13
[INFO] [stderr]     |
[INFO] [stderr] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:398:25
[INFO] [stderr]     |
[INFO] [stderr] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:399:25
[INFO] [stderr]     |
[INFO] [stderr] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:404:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:404:25
[INFO] [stderr]     |
[INFO] [stderr] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:408:21
[INFO] [stderr]     |
[INFO] [stderr] 408 |             let a = try!(g(lhs, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let b = try!(g(rhs, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:410:13
[INFO] [stderr]     |
[INFO] [stderr] 410 |             try!(unify(&a, &b, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:416:29
[INFO] [stderr]     |
[INFO] [stderr] 416 |             let callee_ty = try!(g(callee, env, tyenv, idgen));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:376:47
[INFO] [stderr]     |
[INFO] [stderr] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 417 |             let functy = Type::Func(g_seq!(args), Box::new(ty.clone()));
[INFO] [stderr]     |                                     ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:420:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |             try!(unify(&callee_ty, &functy, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:424:21
[INFO] [stderr]     |
[INFO] [stderr] 424 |             let t = try!(g(expr, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:425:13
[INFO] [stderr]     |
[INFO] [stderr] 425 |             try!(unify(&t, ty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:442:26
[INFO] [stderr]     |
[INFO] [stderr] 442 |                 Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:450:13
[INFO] [stderr]     |
[INFO] [stderr] 450 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:451:18
[INFO] [stderr]     |
[INFO] [stderr] 451 |                 &try!(g(expr, &env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:462:25
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:479:30
[INFO] [stderr]     |
[INFO] [stderr] 479 |                     Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:491:13
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:491:25
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:492:21
[INFO] [stderr]     |
[INFO] [stderr] 492 |             let t = try!(g(then_, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:493:21
[INFO] [stderr]     |
[INFO] [stderr] 493 |             let e = try!(g(else_, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:494:13
[INFO] [stderr]     |
[INFO] [stderr] 494 |             try!(unify(&t, &e, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:498:25
[INFO] [stderr]     |
[INFO] [stderr] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:499:21
[INFO] [stderr]     |
[INFO] [stderr] 499 |             let t = try!(g(e2, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:505:18
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:509:13
[INFO] [stderr]     |
[INFO] [stderr] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:509:25
[INFO] [stderr]     |
[INFO] [stderr] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:513:21
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let t = try!(g(e3, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:514:13
[INFO] [stderr]     |
[INFO] [stderr] 514 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:515:18
[INFO] [stderr]     |
[INFO] [stderr] 515 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:519:13
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:519:25
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 try!(self.gen_fun(&mut env, &fun));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             try!(self.gen_expr(&env, Some(main), &expr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:262:36
[INFO] [stderr]     |
[INFO] [stderr] 262 |         LLVMBuildRet(self.builder, try!(self.gen_int(0)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:354:23
[INFO] [stderr]     |
[INFO] [stderr] 354 |             let var = try!(self.declare_local_var(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:365:23
[INFO] [stderr]     |
[INFO] [stderr] 365 |         let ret_val = try!(self.gen_expr(&env, Some(llvm_fun), &*cls.body));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:466:29
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |             try!(self.declare_local_var(&mut newenv, cur_fun, name, LLVMTypeOf(llvm_expr_val),));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:484:33
[INFO] [stderr]     |
[INFO] [stderr] 484 |             let llvm_elem_val = try!(self.llvm_struct_elem_extract(llvm_expr_val, i as u32));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:486:17
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:547:17
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let x = try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:606:13
[INFO] [stderr]     |
[INFO] [stderr] 606 |             try!(self.llvm_struct_alloc(actual_fv))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:608:22
[INFO] [stderr]     |
[INFO] [stderr] 608 |         let newcls = try!(self.llvm_struct_alloc(vec![fun, actual_fv]));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:623:19
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let fun = try!(self.lookup_var(env, &cls.entry)).retrieve();
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:627:24
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 v.push(try!(self.lookup_var(env, name)).get(self.builder))
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:631:28
[INFO] [stderr]     |
[INFO] [stderr] 631 |         let (new_env, _) = try!(self.make_cls(env, name.clone(), fun, fv));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:632:17
[INFO] [stderr]     |
[INFO] [stderr] 632 |         let x = try!(self.gen_expr(&new_env, cur_fun, body));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:649:17
[INFO] [stderr]     |
[INFO] [stderr] 649 |         let x = try!(self.lookup_var(env, name)).get(self.builder);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:650:19
[INFO] [stderr]     |
[INFO] [stderr] 650 |         let fun = try!(self.llvm_struct_elem_load(x, 0));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:651:18
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let fv = try!(self.llvm_struct_elem_load(x, 1));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:655:28
[INFO] [stderr]     |
[INFO] [stderr] 655 |             let llvm_arg = try!(self.gen_expr(env, cur_fun, &arg));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:694:27
[INFO] [stderr]     |
[INFO] [stderr] 694 |             args_val.push(try!(self.gen_expr(env, cur_fun, &arg)))
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:708:19
[INFO] [stderr]     |
[INFO] [stderr] 708 |         let fun = try!(self.lookup_var(env, name)).retrieve();
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:729:23
[INFO] [stderr]     |
[INFO] [stderr] 729 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:730:23
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:775:23
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:776:23
[INFO] [stderr]     |
[INFO] [stderr] 776 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:815:23
[INFO] [stderr]     |
[INFO] [stderr] 815 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:816:23
[INFO] [stderr]     |
[INFO] [stderr] 816 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:884:24
[INFO] [stderr]     |
[INFO] [stderr] 884 |         let cond_val = try!(self.gen_expr(env, cur_fun, cond));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |         let then_val = try!(self.gen_expr(env, cur_fun, then));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:904:24
[INFO] [stderr]     |
[INFO] [stderr] 904 |         let else_val = try!(self.gen_expr(env, cur_fun, els));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:963:19
[INFO] [stderr]     |
[INFO] [stderr] 963 |         let val = try!(self.lookup_var(env, name));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:976:24
[INFO] [stderr]     |
[INFO] [stderr] 976 |                 v.push(try!(e));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:982:13
[INFO] [stderr]     |
[INFO] [stderr] 982 |             try!(self.llvm_struct_alloc(es)),
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parser.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 (params
[INFO] [stderr] 70 | |                     .into_iter()
[INFO] [stderr] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 | |                     .collect())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 params
[INFO] [stderr] 70 |                     .into_iter()
[INFO] [stderr] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 |                     .collect()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/parser.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | / lazy_static! {
[INFO] [stderr] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stderr] 753 | |         let mut extenv = HashMap::new();
[INFO] [stderr] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     };
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/parser.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | / lazy_static! {
[INFO] [stderr] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stderr] 753 | |         let mut extenv = HashMap::new();
[INFO] [stderr] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     };
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]   --> src/typing.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     .trim_right_matches(" * ")
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_ty`
[INFO] [stderr]    --> src/codegen.rs:340:39
[INFO] [stderr]     |
[INFO] [stderr] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         ty: &Type,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:483:29
[INFO] [stderr]     |
[INFO] [stderr] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stderr]   --> src/codegen.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 87 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |                 try!(unify(a, b, tyenv));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 try!(unify(a, b, tyenv));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:376:47
[INFO] [stderr]     |
[INFO] [stderr] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 396 |         NodeKind::Tuple(ref es) => Ok(Type::Tuple(g_seq!(es))),
[INFO] [stderr]     |                                                   ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:398:13
[INFO] [stderr]     |
[INFO] [stderr] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:398:25
[INFO] [stderr]     |
[INFO] [stderr] 398 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:399:25
[INFO] [stderr]     |
[INFO] [stderr] 399 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |             try!(unify(&try!(g(lhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:404:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:404:25
[INFO] [stderr]     |
[INFO] [stderr] 404 |             try!(unify(&try!(g(rhs, env, tyenv, idgen)), &Type::Float, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:408:21
[INFO] [stderr]     |
[INFO] [stderr] 408 |             let a = try!(g(lhs, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let b = try!(g(rhs, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:410:13
[INFO] [stderr]     |
[INFO] [stderr] 410 |             try!(unify(&a, &b, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:416:29
[INFO] [stderr]     |
[INFO] [stderr] 416 |             let callee_ty = try!(g(callee, env, tyenv, idgen));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:376:47
[INFO] [stderr]     |
[INFO] [stderr] 376 |             for e in $es.iter() { argtys.push(try!(g(e, env, tyenv, idgen))); }
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 417 |             let functy = Type::Func(g_seq!(args), Box::new(ty.clone()));
[INFO] [stderr]     |                                     ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:420:13
[INFO] [stderr]     |
[INFO] [stderr] 420 |             try!(unify(&callee_ty, &functy, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:424:21
[INFO] [stderr]     |
[INFO] [stderr] 424 |             let t = try!(g(expr, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:425:13
[INFO] [stderr]     |
[INFO] [stderr] 425 |             try!(unify(&t, ty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:442:26
[INFO] [stderr]     |
[INFO] [stderr] 442 |                 Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:450:13
[INFO] [stderr]     |
[INFO] [stderr] 450 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:451:18
[INFO] [stderr]     |
[INFO] [stderr] 451 |                 &try!(g(expr, &env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:462:25
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(unify(&try!(g(expr, env, tyenv, idgen)), ty, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:479:30
[INFO] [stderr]     |
[INFO] [stderr] 479 |                     Box::new(try!(g(expr, &newenv_body, tyenv, idgen))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             try!(unify(&ty, &newty, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:491:13
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:491:25
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(unify(&try!(g(cond, env, tyenv, idgen)), &Type::Bool, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:492:21
[INFO] [stderr]     |
[INFO] [stderr] 492 |             let t = try!(g(then_, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:493:21
[INFO] [stderr]     |
[INFO] [stderr] 493 |             let e = try!(g(else_, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:494:13
[INFO] [stderr]     |
[INFO] [stderr] 494 |             try!(unify(&t, &e, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:498:25
[INFO] [stderr]     |
[INFO] [stderr] 498 |             try!(unify(&try!(g(e1, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:499:21
[INFO] [stderr]     |
[INFO] [stderr] 499 |             let t = try!(g(e2, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:505:18
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:509:13
[INFO] [stderr]     |
[INFO] [stderr] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:509:25
[INFO] [stderr]     |
[INFO] [stderr] 509 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:513:21
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let t = try!(g(e3, env, tyenv, idgen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:514:13
[INFO] [stderr]     |
[INFO] [stderr] 514 |             try!(unify(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:515:18
[INFO] [stderr]     |
[INFO] [stderr] 515 |                 &try!(g(e1, env, tyenv, idgen)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:519:13
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/typing.rs:519:25
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(unify(&try!(g(e2, env, tyenv, idgen)), &Type::Int, tyenv));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 try!(self.gen_fun(&mut env, &fun));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             try!(self.gen_expr(&env, Some(main), &expr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:262:36
[INFO] [stderr]     |
[INFO] [stderr] 262 |         LLVMBuildRet(self.builder, try!(self.gen_int(0)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:354:23
[INFO] [stderr]     |
[INFO] [stderr] 354 |             let var = try!(self.declare_local_var(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:365:23
[INFO] [stderr]     |
[INFO] [stderr] 365 |         let ret_val = try!(self.gen_expr(&env, Some(llvm_fun), &*cls.body));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:466:29
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |             try!(self.declare_local_var(&mut newenv, cur_fun, name, LLVMTypeOf(llvm_expr_val),));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let llvm_expr_val = try!(self.gen_expr(env, cur_fun, expr));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:484:33
[INFO] [stderr]     |
[INFO] [stderr] 484 |             let llvm_elem_val = try!(self.llvm_struct_elem_extract(llvm_expr_val, i as u32));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:486:17
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:547:17
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let x = try!(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:606:13
[INFO] [stderr]     |
[INFO] [stderr] 606 |             try!(self.llvm_struct_alloc(actual_fv))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:608:22
[INFO] [stderr]     |
[INFO] [stderr] 608 |         let newcls = try!(self.llvm_struct_alloc(vec![fun, actual_fv]));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:623:19
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let fun = try!(self.lookup_var(env, &cls.entry)).retrieve();
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:627:24
[INFO] [stderr]     |
[INFO] [stderr] 627 |                 v.push(try!(self.lookup_var(env, name)).get(self.builder))
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:631:28
[INFO] [stderr]     |
[INFO] [stderr] 631 |         let (new_env, _) = try!(self.make_cls(env, name.clone(), fun, fv));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:632:17
[INFO] [stderr]     |
[INFO] [stderr] 632 |         let x = try!(self.gen_expr(&new_env, cur_fun, body));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:649:17
[INFO] [stderr]     |
[INFO] [stderr] 649 |         let x = try!(self.lookup_var(env, name)).get(self.builder);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:650:19
[INFO] [stderr]     |
[INFO] [stderr] 650 |         let fun = try!(self.llvm_struct_elem_load(x, 0));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:651:18
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let fv = try!(self.llvm_struct_elem_load(x, 1));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:655:28
[INFO] [stderr]     |
[INFO] [stderr] 655 |             let llvm_arg = try!(self.gen_expr(env, cur_fun, &arg));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:694:27
[INFO] [stderr]     |
[INFO] [stderr] 694 |             args_val.push(try!(self.gen_expr(env, cur_fun, &arg)))
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:708:19
[INFO] [stderr]     |
[INFO] [stderr] 708 |         let fun = try!(self.lookup_var(env, name)).retrieve();
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:729:23
[INFO] [stderr]     |
[INFO] [stderr] 729 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:730:23
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:775:23
[INFO] [stderr]     |
[INFO] [stderr] 775 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:776:23
[INFO] [stderr]     |
[INFO] [stderr] 776 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:815:23
[INFO] [stderr]     |
[INFO] [stderr] 815 |         let lhs_val = try!(self.gen_expr(env, cur_fun, lhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:816:23
[INFO] [stderr]     |
[INFO] [stderr] 816 |         let rhs_val = try!(self.gen_expr(env, cur_fun, rhs));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:884:24
[INFO] [stderr]     |
[INFO] [stderr] 884 |         let cond_val = try!(self.gen_expr(env, cur_fun, cond));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |         let then_val = try!(self.gen_expr(env, cur_fun, then));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:904:24
[INFO] [stderr]     |
[INFO] [stderr] 904 |         let else_val = try!(self.gen_expr(env, cur_fun, els));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:963:19
[INFO] [stderr]     |
[INFO] [stderr] 963 |         let val = try!(self.lookup_var(env, name));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:976:24
[INFO] [stderr]     |
[INFO] [stderr] 976 |                 v.push(try!(e));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/codegen.rs:982:13
[INFO] [stderr]     |
[INFO] [stderr] 982 |             try!(self.llvm_struct_alloc(es)),
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parser.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 (params
[INFO] [stderr] 70 | |                     .into_iter()
[INFO] [stderr] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 | |                     .collect())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 params
[INFO] [stderr] 70 |                     .into_iter()
[INFO] [stderr] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 |                     .collect()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::NodeKind::*`
[INFO] [stderr]    --> src/parser.rs:833:9
[INFO] [stderr]     |
[INFO] [stderr] 833 |     use node::NodeKind::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::FuncDef`
[INFO] [stderr]    --> src/parser.rs:834:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |     use node::FuncDef;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::BinOps::*`
[INFO] [stderr]    --> src/parser.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |     use node::BinOps::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::BinOps::*`
[INFO] [stderr]    --> src/parser.rs:836:9
[INFO] [stderr]     |
[INFO] [stderr] 836 |     use node::BinOps::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/parser.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | / lazy_static! {
[INFO] [stderr] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stderr] 753 | |         let mut extenv = HashMap::new();
[INFO] [stderr] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     };
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/parser.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | / lazy_static! {
[INFO] [stderr] 752 | |     pub static ref EXTENV: Mutex<HashMap<String, TypeScheme>> = {
[INFO] [stderr] 753 | |         let mut extenv = HashMap::new();
[INFO] [stderr] 754 | |         extenv.insert("print_int".to_string(),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     };
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]   --> src/typing.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     .trim_right_matches(" * ")
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remain`
[INFO] [stderr]    --> src/parser.rs:843:23
[INFO] [stderr]     |
[INFO] [stderr] 843 |         IResult::Done(remain, node) => {
[INFO] [stderr]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_ty`
[INFO] [stderr]    --> src/codegen.rs:340:39
[INFO] [stderr]     |
[INFO] [stderr] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_param_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         ty: &Type,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:483:29
[INFO] [stderr]     |
[INFO] [stderr] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stderr]   --> src/codegen.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 92 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcaml-a7d9b3a41137a717
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parser::test_parse_simple_expr ... ok
[INFO] [stdout] test parser::test_parse_module_item ... ok
[INFO] [stdout] test parser::test_type_infer ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::test_type_infer stdout ----
[INFO] [stdout] thread 'parser::test_type_infer' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"unit"`,
[INFO] [stdout]  right: `"(((\'1 -> \'1) -> \'2) -> \'2)"`', src/parser.rs:856:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f987c6b890 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55f987c6b890 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f987c6b890 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55f987c6b890 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55f987c8f98c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55f987bf1585 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55f987c66531 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55f987c6dd10 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55f987c6dd10 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55f987c6dd10 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55f987c6da06 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55f987c6e373 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55f987c6df49 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55f987c6bd1c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55f987c6df09 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55f987c6debb - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x55f987bacb81 - rcaml::parser::test_type_infer::h82c1fb6235b2ce19
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:856
[INFO] [stdout]   17:     0x55f987bac90a - rcaml::parser::test_type_infer::{{closure}}::h2cabe3be0be83de0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:832
[INFO] [stdout]   18:     0x55f987bebbce - core::ops::function::FnOnce::call_once::h1bf68e9dcd025e9f
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55f987c19e63 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55f987c19e63 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   21:     0x55f987c18333 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x55f987c18333 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x55f987c18333 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   24:     0x55f987c18333 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   25:     0x55f987c18333 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   26:     0x55f987c18333 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   27:     0x55f987c18333 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   28:     0x55f987bf09b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x55f987bf5be5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   30:     0x55f987bf5be5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x55f987bf5be5 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   32:     0x55f987bf5be5 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   33:     0x55f987bf5be5 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   34:     0x55f987bf5be5 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   35:     0x55f987bf5be5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x55f987c74b7a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55f987c74b7a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55f987c74b7a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7fe43159b609 - start_thread
[INFO] [stdout]   40:     0x7fe431358103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::test_type_infer
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "991c58db535ed60566e2cb1a880f7a867db3ca8a4d089d9ecaedce7080f719b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991c58db535ed60566e2cb1a880f7a867db3ca8a4d089d9ecaedce7080f719b7", kill_on_drop: false }`
[INFO] [stdout] 991c58db535ed60566e2cb1a880f7a867db3ca8a4d089d9ecaedce7080f719b7
