[INFO] cloning repository https://github.com/aripiprazole/bidir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aripiprazole/bidir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faripiprazole%2Fbidir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faripiprazole%2Fbidir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cfe575d91a647b705f77ff230a1aff2d1816ab1
[INFO] checking aripiprazole/bidir against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faripiprazole%2Fbidir" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aripiprazole/bidir
[INFO] finished tweaking git repo https://github.com/aripiprazole/bidir
[INFO] tweaked toml for git repo https://github.com/aripiprazole/bidir written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aripiprazole/bidir on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aripiprazole/bidir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695
[INFO] running `Command { std: "docker" "start" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking bidir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:323:30
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 Forall(name, box type_repr) => Type::Forall(name.text, Box::new(type_repr.into())),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:324:21
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 Fun(box domain, box codomain) => {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:324:33
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 Fun(box domain, box codomain) => {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:664:29
[INFO] [stdout]     |
[INFO] [stdout] 664 |             Type::Forall(_, box type_repr) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:24
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:38
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:65
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:79
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:734:55
[INFO] [stdout]     |
[INFO] [stdout] 734 |             (Type::Forall(a, type_a), Type::Forall(b, box type_b)) => {
[INFO] [stdout]     |                                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:806:66
[INFO] [stdout]     |
[INFO] [stdout] 806 |             (Hole::Empty(_), Direction::Left, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:817:61
[INFO] [stdout]     |
[INFO] [stdout] 817 |             (Hole::Empty(scope), Direction::Left, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:817:73
[INFO] [stdout]     |
[INFO] [stdout] 817 |             (Hole::Empty(scope), Direction::Left, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:840:67
[INFO] [stdout]     |
[INFO] [stdout] 840 |             (Hole::Empty(_), Direction::Right, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:851:62
[INFO] [stdout]     |
[INFO] [stdout] 851 |             (Hole::Empty(scope), Direction::Right, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:851:74
[INFO] [stdout]     |
[INFO] [stdout] 851 |             (Hole::Empty(scope), Direction::Right, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:903:41
[INFO] [stdout]     |
[INFO] [stdout] 903 |             (sema_a, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:920:33
[INFO] [stdout]     |
[INFO] [stdout] 920 |             (Type::Forall(name, box type_repr), sema_b) => {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:24
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:38
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:65
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:79
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:985:43
[INFO] [stdout]     |
[INFO] [stdout] 985 |                 (term, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:36
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:59
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:71
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1004:34
[INFO] [stdout]      |
[INFO] [stdout] 1004 |                 (Expr::Let(name, box value, box expr), type_repr) => {
[INFO] [stdout]      |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1004:45
[INFO] [stdout]      |
[INFO] [stdout] 1004 |                 (Expr::Let(name, box value, box expr), type_repr) => {
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1054:29
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 Expr::Annot(box expr, type_repr) => {
[INFO] [stdout]      |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1067:29
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1067:36
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1077:33
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 Expr::Let(name, box value @ Expr::Abstr(_, _), box expr) => {
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1077:64
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 Expr::Let(name, box value @ Expr::Abstr(_, _), box expr) => {
[INFO] [stdout]      |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1094:33
[INFO] [stdout]      |
[INFO] [stdout] 1094 |                 Expr::Let(name, box value, box expr) => {
[INFO] [stdout]      |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1094:44
[INFO] [stdout]      |
[INFO] [stdout] 1094 |                 Expr::Let(name, box value, box expr) => {
[INFO] [stdout]      |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1114:35
[INFO] [stdout]      |
[INFO] [stdout] 1114 |                 Expr::Abstr(name, box expr) => {
[INFO] [stdout]      |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1140:27
[INFO] [stdout]      |
[INFO] [stdout] 1140 |                 Type::Fun(box domain, box codomain) => {
[INFO] [stdout]      |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1140:39
[INFO] [stdout]      |
[INFO] [stdout] 1140 |                 Type::Fun(box domain, box codomain) => {
[INFO] [stdout]      |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1158:36
[INFO] [stdout]      |
[INFO] [stdout] 1158 |                 Type::Forall(name, box type_repr) => {
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:323:30
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 Forall(name, box type_repr) => Type::Forall(name.text, Box::new(type_repr.into())),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:324:21
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 Fun(box domain, box codomain) => {
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:324:33
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 Fun(box domain, box codomain) => {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:664:29
[INFO] [stdout]     |
[INFO] [stdout] 664 |             Type::Forall(_, box type_repr) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:24
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:38
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:65
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:728:79
[INFO] [stdout]     |
[INFO] [stdout] 728 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:734:55
[INFO] [stdout]     |
[INFO] [stdout] 734 |             (Type::Forall(a, type_a), Type::Forall(b, box type_b)) => {
[INFO] [stdout]     |                                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:806:66
[INFO] [stdout]     |
[INFO] [stdout] 806 |             (Hole::Empty(_), Direction::Left, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:817:61
[INFO] [stdout]     |
[INFO] [stdout] 817 |             (Hole::Empty(scope), Direction::Left, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:817:73
[INFO] [stdout]     |
[INFO] [stdout] 817 |             (Hole::Empty(scope), Direction::Left, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:840:67
[INFO] [stdout]     |
[INFO] [stdout] 840 |             (Hole::Empty(_), Direction::Right, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:851:62
[INFO] [stdout]     |
[INFO] [stdout] 851 |             (Hole::Empty(scope), Direction::Right, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:851:74
[INFO] [stdout]     |
[INFO] [stdout] 851 |             (Hole::Empty(scope), Direction::Right, Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:903:41
[INFO] [stdout]     |
[INFO] [stdout] 903 |             (sema_a, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:920:33
[INFO] [stdout]     |
[INFO] [stdout] 920 |             (Type::Forall(name, box type_repr), sema_b) => {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:24
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:38
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:65
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:932:79
[INFO] [stdout]     |
[INFO] [stdout] 932 |             (Type::Fun(box domain_a, box codomain_a), Type::Fun(box domain_b, box codomain_b)) => {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:985:43
[INFO] [stdout]     |
[INFO] [stdout] 985 |                 (term, Type::Forall(name, box type_repr)) => {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:36
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:59
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:999:71
[INFO] [stdout]     |
[INFO] [stdout] 999 |                 (Expr::Abstr(name, box expr_e), Type::Fun(box domain, box codomain)) => {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1004:34
[INFO] [stdout]      |
[INFO] [stdout] 1004 |                 (Expr::Let(name, box value, box expr), type_repr) => {
[INFO] [stdout]      |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1004:45
[INFO] [stdout]      |
[INFO] [stdout] 1004 |                 (Expr::Let(name, box value, box expr), type_repr) => {
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1054:29
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 Expr::Annot(box expr, type_repr) => {
[INFO] [stdout]      |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1067:29
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1067:36
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1077:33
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 Expr::Let(name, box value @ Expr::Abstr(_, _), box expr) => {
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1077:64
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 Expr::Let(name, box value @ Expr::Abstr(_, _), box expr) => {
[INFO] [stdout]      |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1094:33
[INFO] [stdout]      |
[INFO] [stdout] 1094 |                 Expr::Let(name, box value, box expr) => {
[INFO] [stdout]      |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1094:44
[INFO] [stdout]      |
[INFO] [stdout] 1094 |                 Expr::Let(name, box value, box expr) => {
[INFO] [stdout]      |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1114:35
[INFO] [stdout]      |
[INFO] [stdout] 1114 |                 Expr::Abstr(name, box expr) => {
[INFO] [stdout]      |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1140:27
[INFO] [stdout]      |
[INFO] [stdout] 1140 |                 Type::Fun(box domain, box codomain) => {
[INFO] [stdout]      |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1140:39
[INFO] [stdout]      |
[INFO] [stdout] 1140 |                 Type::Fun(box domain, box codomain) => {
[INFO] [stdout]      |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]     --> src/main.rs:1158:36
[INFO] [stdout]      |
[INFO] [stdout] 1158 |                 Type::Forall(name, box type_repr) => {
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:323:81
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 Forall(name, box type_repr) => Type::Forall(name.text, Box::new(type_repr.into())),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:326:51
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         /* domain   = */ Box::new(domain.into()),
[INFO] [stdout]     |                                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:327:51
[INFO] [stdout]     |
[INFO] [stdout] 327 |                         /* codomain = */ Box::new(codomain.into()),
[INFO] [stdout]     |                                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:665:45
[INFO] [stdout]     |
[INFO] [stdout] 665 |                 pre_check_hole(hole, scope, type_repr)?;
[INFO] [stdout]     |                                             ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_a` in this scope
[INFO] [stdout]    --> src/main.rs:729:28
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 unify(ctx, domain_a, domain_b)?;
[INFO] [stdout]     |                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_b` in this scope
[INFO] [stdout]    --> src/main.rs:729:38
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 unify(ctx, domain_a, domain_b)?;
[INFO] [stdout]     |                                      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_a` in this scope
[INFO] [stdout]    --> src/main.rs:730:28
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 unify(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                            ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_b` in this scope
[INFO] [stdout]    --> src/main.rs:730:40
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 unify(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:323:81
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 Forall(name, box type_repr) => Type::Forall(name.text, Box::new(type_repr.into())),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:326:51
[INFO] [stdout]     |
[INFO] [stdout] 326 |                         /* domain   = */ Box::new(domain.into()),
[INFO] [stdout]     |                                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:327:51
[INFO] [stdout]     |
[INFO] [stdout] 327 |                         /* codomain = */ Box::new(codomain.into()),
[INFO] [stdout]     |                                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:665:45
[INFO] [stdout]     |
[INFO] [stdout] 665 |                 pre_check_hole(hole, scope, type_repr)?;
[INFO] [stdout]     |                                             ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_a` in this scope
[INFO] [stdout]    --> src/main.rs:729:28
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 unify(ctx, domain_a, domain_b)?;
[INFO] [stdout]     |                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_b` in this scope
[INFO] [stdout]    --> src/main.rs:729:38
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 unify(ctx, domain_a, domain_b)?;
[INFO] [stdout]     |                                      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_a` in this scope
[INFO] [stdout]    --> src/main.rs:730:28
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 unify(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                            ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_b` in this scope
[INFO] [stdout]    --> src/main.rs:730:40
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 unify(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_b` in this scope
[INFO] [stdout]    --> src/main.rs:742:30
[INFO] [stdout]     |
[INFO] [stdout] 742 |                 let type_b = type_b.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 742 -                 let type_b = type_b.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout] 742 +                 let type_b = type_a.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:809:38
[INFO] [stdout]     |
[INFO] [stdout] 809 |                 sub_hole(&ctx, hole, type_repr, Direction::Left)?;
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_b` in this scope
[INFO] [stdout]    --> src/main.rs:742:30
[INFO] [stdout]     |
[INFO] [stdout] 742 |                 let type_b = type_b.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 742 -                 let type_b = type_b.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout] 742 +                 let type_b = type_a.clone().substitute(&b, Type::Bound(ctx.level));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:809:38
[INFO] [stdout]     |
[INFO] [stdout] 809 |                 sub_hole(&ctx, hole, type_repr, Direction::Left)?;
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:827:39
[INFO] [stdout]     |
[INFO] [stdout] 827 |                 sub_hole(ctx, hole_a, domain, Direction::Right)?; // A1 =<: ^α1
[INFO] [stdout]     |                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:828:39
[INFO] [stdout]     |
[INFO] [stdout] 828 |                 sub_hole(ctx, hole_b, codomain, Direction::Left)?; // ^α2 :=< [Θ]A2
[INFO] [stdout]     |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:841:51
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 let sema = ctx.instantiate(&name, type_repr);
[INFO] [stdout]     |                                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:860:39
[INFO] [stdout]     |
[INFO] [stdout] 860 |                 sub_hole(ctx, hole_a, domain, Direction::Left)?;
[INFO] [stdout]     |                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:861:39
[INFO] [stdout]     |
[INFO] [stdout] 861 |                 sub_hole(ctx, hole_b, codomain, Direction::Right)?;
[INFO] [stdout]     |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:911:35
[INFO] [stdout]     |
[INFO] [stdout] 911 |                 sub(&ctx, sema_a, type_repr)?;
[INFO] [stdout]     |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:921:53
[INFO] [stdout]     |
[INFO] [stdout] 921 |                 let sema_a = ctx.instantiate(&name, type_repr);
[INFO] [stdout]     |                                                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_b` in this scope
[INFO] [stdout]    --> src/main.rs:933:26
[INFO] [stdout]     |
[INFO] [stdout] 933 |                 sub(ctx, domain_b, domain_a)?;
[INFO] [stdout]     |                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_a` in this scope
[INFO] [stdout]    --> src/main.rs:933:36
[INFO] [stdout]     |
[INFO] [stdout] 933 |                 sub(ctx, domain_b, domain_a)?;
[INFO] [stdout]     |                                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_a` in this scope
[INFO] [stdout]    --> src/main.rs:934:26
[INFO] [stdout]     |
[INFO] [stdout] 934 |                 sub(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_b` in this scope
[INFO] [stdout]    --> src/main.rs:934:38
[INFO] [stdout]     |
[INFO] [stdout] 934 |                 sub(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                                      ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]     --> src/main.rs:1000:71
[INFO] [stdout]      |
[INFO] [stdout] 1000 |                     let ctx = self.clone().create_variable(name.text, domain);
[INFO] [stdout]      |                                                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr_e` in this scope
[INFO] [stdout]     --> src/main.rs:1002:31
[INFO] [stdout]      |
[INFO] [stdout] 1002 |                     ctx.check(expr_e, codomain)?;
[INFO] [stdout]      |                               ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]     --> src/main.rs:1002:39
[INFO] [stdout]      |
[INFO] [stdout] 1002 |                     ctx.check(expr_e, codomain)?;
[INFO] [stdout]      |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1005:48
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                     let expr_type = self.infer(value)?;
[INFO] [stdout]      |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1008:31
[INFO] [stdout]      |
[INFO] [stdout] 1008 |                     ctx.check(expr, type_repr)?;
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1056:32
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                     self.check(expr, type_repr.clone())?;
[INFO] [stdout]      |                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `f` in this scope
[INFO] [stdout]     --> src/main.rs:1067:70
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                                                      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]     --> src/main.rs:1067:75
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                                                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1080:76
[INFO] [stdout]      |
[INFO] [stdout] 1080 |                     let type_rep = self.clone().create_new_type("_").infer(value)?;
[INFO] [stdout]      |                                                                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1084:31
[INFO] [stdout]      |
[INFO] [stdout] 1084 |                     ctx.infer(expr)
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1095:48
[INFO] [stdout]      |
[INFO] [stdout] 1095 |                     let expr_type = self.infer(value)?;
[INFO] [stdout]      |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1098:31
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     ctx.infer(expr)
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1117:46
[INFO] [stdout]      |
[INFO] [stdout] 1117 |                     let codomain = ctx.infer(expr)?;
[INFO] [stdout]      |                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]     --> src/main.rs:1141:38
[INFO] [stdout]      |
[INFO] [stdout] 1141 |                     self.check(term, domain)?; // e ⇐ A
[INFO] [stdout]      |                                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]     --> src/main.rs:1143:24
[INFO] [stdout]      |
[INFO] [stdout] 1143 |                     Ok(codomain)
[INFO] [stdout]      |                        ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]     --> src/main.rs:1159:56
[INFO] [stdout]      |
[INFO] [stdout] 1159 |                     self.apply(self.instantiate(&name, type_repr), term)
[INFO] [stdout]      |                                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:827:39
[INFO] [stdout]     |
[INFO] [stdout] 827 |                 sub_hole(ctx, hole_a, domain, Direction::Right)?; // A1 =<: ^α1
[INFO] [stdout]     |                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:828:39
[INFO] [stdout]     |
[INFO] [stdout] 828 |                 sub_hole(ctx, hole_b, codomain, Direction::Left)?; // ^α2 :=< [Θ]A2
[INFO] [stdout]     |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:841:51
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 let sema = ctx.instantiate(&name, type_repr);
[INFO] [stdout]     |                                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]    --> src/main.rs:860:39
[INFO] [stdout]     |
[INFO] [stdout] 860 |                 sub_hole(ctx, hole_a, domain, Direction::Left)?;
[INFO] [stdout]     |                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]    --> src/main.rs:861:39
[INFO] [stdout]     |
[INFO] [stdout] 861 |                 sub_hole(ctx, hole_b, codomain, Direction::Right)?;
[INFO] [stdout]     |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:911:35
[INFO] [stdout]     |
[INFO] [stdout] 911 |                 sub(&ctx, sema_a, type_repr)?;
[INFO] [stdout]     |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]    --> src/main.rs:921:53
[INFO] [stdout]     |
[INFO] [stdout] 921 |                 let sema_a = ctx.instantiate(&name, type_repr);
[INFO] [stdout]     |                                                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_b` in this scope
[INFO] [stdout]    --> src/main.rs:933:26
[INFO] [stdout]     |
[INFO] [stdout] 933 |                 sub(ctx, domain_b, domain_a)?;
[INFO] [stdout]     |                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain_a` in this scope
[INFO] [stdout]    --> src/main.rs:933:36
[INFO] [stdout]     |
[INFO] [stdout] 933 |                 sub(ctx, domain_b, domain_a)?;
[INFO] [stdout]     |                                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_a` in this scope
[INFO] [stdout]    --> src/main.rs:934:26
[INFO] [stdout]     |
[INFO] [stdout] 934 |                 sub(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain_b` in this scope
[INFO] [stdout]    --> src/main.rs:934:38
[INFO] [stdout]     |
[INFO] [stdout] 934 |                 sub(ctx, codomain_a, codomain_b)?;
[INFO] [stdout]     |                                      ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]     --> src/main.rs:1000:71
[INFO] [stdout]      |
[INFO] [stdout] 1000 |                     let ctx = self.clone().create_variable(name.text, domain);
[INFO] [stdout]      |                                                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr_e` in this scope
[INFO] [stdout]     --> src/main.rs:1002:31
[INFO] [stdout]      |
[INFO] [stdout] 1002 |                     ctx.check(expr_e, codomain)?;
[INFO] [stdout]      |                               ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]     --> src/main.rs:1002:39
[INFO] [stdout]      |
[INFO] [stdout] 1002 |                     ctx.check(expr_e, codomain)?;
[INFO] [stdout]      |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1005:48
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                     let expr_type = self.infer(value)?;
[INFO] [stdout]      |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1008:31
[INFO] [stdout]      |
[INFO] [stdout] 1008 |                     ctx.check(expr, type_repr)?;
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1056:32
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                     self.check(expr, type_repr.clone())?;
[INFO] [stdout]      |                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `f` in this scope
[INFO] [stdout]     --> src/main.rs:1067:70
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                                                      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]     --> src/main.rs:1067:75
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 Expr::Apply(box f, box arg) => self.apply(self.infer(f)?, arg),
[INFO] [stdout]      |                                                                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1080:76
[INFO] [stdout]      |
[INFO] [stdout] 1080 |                     let type_rep = self.clone().create_new_type("_").infer(value)?;
[INFO] [stdout]      |                                                                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1084:31
[INFO] [stdout]      |
[INFO] [stdout] 1084 |                     ctx.infer(expr)
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]     --> src/main.rs:1095:48
[INFO] [stdout]      |
[INFO] [stdout] 1095 |                     let expr_type = self.infer(value)?;
[INFO] [stdout]      |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1098:31
[INFO] [stdout]      |
[INFO] [stdout] 1098 |                     ctx.infer(expr)
[INFO] [stdout]      |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]     --> src/main.rs:1117:46
[INFO] [stdout]      |
[INFO] [stdout] 1117 |                     let codomain = ctx.infer(expr)?;
[INFO] [stdout]      |                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `domain` in this scope
[INFO] [stdout]     --> src/main.rs:1141:38
[INFO] [stdout]      |
[INFO] [stdout] 1141 |                     self.check(term, domain)?; // e ⇐ A
[INFO] [stdout]      |                                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `codomain` in this scope
[INFO] [stdout]     --> src/main.rs:1143:24
[INFO] [stdout]      |
[INFO] [stdout] 1143 |                     Ok(codomain)
[INFO] [stdout]      |                        ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `type_repr` in this scope
[INFO] [stdout]     --> src/main.rs:1159:56
[INFO] [stdout]      |
[INFO] [stdout] 1159 |                     self.apply(self.instantiate(&name, type_repr), term)
[INFO] [stdout]      |                                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bidir` (bin "bidir" test) due to 76 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bidir` (bin "bidir") due to 76 previous errors
[INFO] running `Command { std: "docker" "inspect" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695", kill_on_drop: false }`
[INFO] [stdout] 6296ea25903bb8a41004d4c947ae98a7a8a34ba623e742bfed4a6ccc521f2695