[INFO] updating cached repository https://github.com/schell/berry
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29c3b0eb448c1554a5a1f0e27ec5faf8fa1e3055
[INFO] testing schell/berry against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschell%2Fberry" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schell/berry on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/schell/berry
[INFO] removed path dependency cassowary from git repo https://github.com/schell/berry
[INFO] finished tweaking git repo https://github.com/schell/berry
[INFO] tweaked toml for git repo https://github.com/schell/berry written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/schell/berry already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (cassowary) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (cassowary) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d801975920fe85cf9dea9d15565c37458b91d00f4fe7a1f0634ae4a3f1258e6
[INFO] running `"docker" "start" "-a" "2d801975920fe85cf9dea9d15565c37458b91d00f4fe7a1f0634ae4a3f1258e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (cassowary) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling shred v0.9.4
[INFO] [stderr]    Compiling specs v0.15.1
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling berry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: cannot find macro `derive_syntax_for` in this scope
[INFO] [stderr]   --> src/components/constraints.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | derive_syntax_for!(VariableX);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `derive_syntax_for` in this scope
[INFO] [stderr]   --> src/components/constraints.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | derive_syntax_for!(VariableY);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `derive_syntax_for` in this scope
[INFO] [stderr]   --> src/components/constraints.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | derive_syntax_for!(VariableZ);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::*`
[INFO] [stderr]   --> src/components/constraints.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::*;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/systems/layout.rs:224:19
[INFO] [stderr]     |
[INFO] [stderr] 224 |     (self as &mut IsLayoutSystem<T, WindowSize>).setup(world)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsLayoutSystem<T, WindowSize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/systems/layout.rs:228:19
[INFO] [stderr]     |
[INFO] [stderr] 228 |     (self as &mut IsLayoutSystem<T, WindowSize>).run(data);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsLayoutSystem<T, WindowSize>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cassowary::*`
[INFO] [stderr]  --> src/systems/shrinkwrap.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cassowary::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ElementBox`, `Text`
[INFO] [stderr]   --> src/systems/shrinkwrap.rs:7:3
[INFO] [stderr]    |
[INFO] [stderr] 7  |   ElementBox,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |   Text,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:120:27
[INFO] [stderr]     |
[INFO] [stderr] 120 |   left: Option<Expression<VariableX>>,
[INFO] [stderr]     |                           ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:121:28
[INFO] [stderr]     |
[INFO] [stderr] 121 |   width: Option<Expression<VariableX>>,
[INFO] [stderr]     |                            ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:122:28
[INFO] [stderr]     |
[INFO] [stderr] 122 |   right: Option<Expression<VariableX>>,
[INFO] [stderr]     |                            ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |   top: Option<Expression<VariableY>>,
[INFO] [stderr]     |                          ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |   z: Option<Expression<VariableZ>>,
[INFO] [stderr]     |                        ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |   height: Option<Expression<VariableY>>,
[INFO] [stderr]     |                             ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:126:29
[INFO] [stderr]     |
[INFO] [stderr] 126 |   bottom: Option<Expression<VariableY>>,
[INFO] [stderr]     |                             ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |   x_constraints: Option<Vec<Constraint<VariableX>>>,
[INFO] [stderr]     |                                        ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:131:40
[INFO] [stderr]     |
[INFO] [stderr] 131 |   y_constraints: Option<Vec<Constraint<VariableY>>>,
[INFO] [stderr]     |                                        ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:132:40
[INFO] [stderr]     |
[INFO] [stderr] 132 |   z_constraints: Option<Vec<Constraint<VariableZ>>>,
[INFO] [stderr]     |                                        ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/systems/layout.rs:196:29
[INFO] [stderr]     |
[INFO] [stderr] 196 |   pub solver: Option<Solver<T>>,
[INFO] [stderr]     |                             ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/components/constraints.rs:82:46
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub struct Constraints<T>(pub Vec<Constraint<T>>);
[INFO] [stderr]    |                                              ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:175:34
[INFO] [stderr]     |
[INFO] [stderr] 175 |   pub fn left<T: Into<Expression<VariableX>>>(self, t: T) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:181:35
[INFO] [stderr]     |
[INFO] [stderr] 181 |   pub fn width<T: Into<Expression<VariableX>>>(self, t: T) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:187:35
[INFO] [stderr]     |
[INFO] [stderr] 187 |   pub fn right<T: Into<Expression<VariableX>>>(self, t: T) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |   pub fn top<T: Into<Expression<VariableY>>>(self, t:T) -> Self {
[INFO] [stderr]     |                                 ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:199:36
[INFO] [stderr]     |
[INFO] [stderr] 199 |   pub fn height<T: Into<Expression<VariableY>>>(self, t:T) -> Self {
[INFO] [stderr]     |                                    ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:205:36
[INFO] [stderr]     |
[INFO] [stderr] 205 |   pub fn bottom<T: Into<Expression<VariableY>>>(self, t:T) -> Self {
[INFO] [stderr]     |                                    ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:211:37
[INFO] [stderr]     |
[INFO] [stderr] 211 |   pub fn z_index<T: Into<Expression<VariableZ>>>(self, t:T) -> Self {
[INFO] [stderr]     |                                     ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:223:48
[INFO] [stderr]     |
[INFO] [stderr] 223 |   pub fn x_constraints(self, xs:Vec<Constraint<VariableX>>) -> Self {
[INFO] [stderr]     |                                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:229:48
[INFO] [stderr]     |
[INFO] [stderr] 229 |   pub fn y_constraints(self, ys:Vec<Constraint<VariableY>>) -> Self {
[INFO] [stderr]     |                                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:235:48
[INFO] [stderr]     |
[INFO] [stderr] 235 |   pub fn z_constraints(self, zs:Vec<Constraint<VariableZ>>) -> Self {
[INFO] [stderr]     |                                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:373:32
[INFO] [stderr]     |
[INFO] [stderr] 373 |   fn left(&self) -> Expression<VariableX> {
[INFO] [stderr]     |                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:376:33
[INFO] [stderr]     |
[INFO] [stderr] 376 |   fn width(&self) -> Expression<VariableX> {
[INFO] [stderr]     |                                 ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:383:31
[INFO] [stderr]     |
[INFO] [stderr] 383 |   fn top(&self) -> Expression<VariableY> {
[INFO] [stderr]     |                               ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components.rs:386:34
[INFO] [stderr]     |
[INFO] [stderr] 386 |   fn height(&self) -> Expression<VariableY> {
[INFO] [stderr]     |                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/components/constraints.rs:91:32
[INFO] [stderr]    |
[INFO] [stderr] 91 |   fn left(&self) -> Expression<VariableX>;
[INFO] [stderr]    |                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/components/constraints.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |   fn width(&self) -> Expression<VariableX>;
[INFO] [stderr]    |                                 ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/components/constraints.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |   fn right(&self) -> Expression<VariableX> {
[INFO] [stderr]    |                                 ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:100:31
[INFO] [stderr]     |
[INFO] [stderr] 100 |   fn top(&self) -> Expression<VariableY>;
[INFO] [stderr]     |                               ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:101:34
[INFO] [stderr]     |
[INFO] [stderr] 101 |   fn height(&self) -> Expression<VariableY>;
[INFO] [stderr]     |                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |   fn bottom(&self) -> Expression<VariableY> {
[INFO] [stderr]     |                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:109:35
[INFO] [stderr]     |
[INFO] [stderr] 109 |   fn z_index(&self) -> Expression<VariableZ>;
[INFO] [stderr]     |                                   ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |   fn left(&self) -> Expression<VariableX> {
[INFO] [stderr]     |                                ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |   fn width(&self) -> Expression<VariableX> {
[INFO] [stderr]     |                                 ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:124:31
[INFO] [stderr]     |
[INFO] [stderr] 124 |   fn top(&self) -> Expression<VariableY> {
[INFO] [stderr]     |                               ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |   fn height(&self) -> Expression<VariableY> {
[INFO] [stderr]     |                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/components/constraints.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |   fn z_index(&self) -> Expression<VariableZ> {
[INFO] [stderr]     |                                   ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/systems/layout.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn solver_mut(&mut self) -> &mut Option<Solver<T>>;
[INFO] [stderr]    |                                                  ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/systems/layout.rs:237:50
[INFO] [stderr]     |
[INFO] [stderr] 237 |   fn solver_mut(&mut self) -> &mut Option<Solver<VariableX>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/systems/layout.rs:310:50
[INFO] [stderr]     |
[INFO] [stderr] 310 |   fn solver_mut(&mut self) -> &mut Option<Solver<VariableY>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/systems/layout.rs:379:50
[INFO] [stderr]     |
[INFO] [stderr] 379 |   fn solver_mut(&mut self) -> &mut Option<Solver<VariableZ>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 45 previous errors; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `berry`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2d801975920fe85cf9dea9d15565c37458b91d00f4fe7a1f0634ae4a3f1258e6"`
[INFO] running `"docker" "rm" "-f" "2d801975920fe85cf9dea9d15565c37458b91d00f4fe7a1f0634ae4a3f1258e6"`
[INFO] [stdout] 2d801975920fe85cf9dea9d15565c37458b91d00f4fe7a1f0634ae4a3f1258e6