[INFO] cloning repository https://github.com/fraserli/imp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fraserli/imp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Fimp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Fimp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdd2b3183504cc96682d58056b68c2d73986f86a
[INFO] checking fraserli/imp against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Fimp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fraserli/imp
[INFO] finished tweaking git repo https://github.com/fraserli/imp
[INFO] tweaked toml for git repo https://github.com/fraserli/imp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fraserli/imp on toolchain f4690f24e7d9bcb0b168a02b06dd61391e8bd55a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fraserli/imp 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" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4
[INFO] running `Command { std: "docker" "start" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4", 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" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4", 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" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking imp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.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/ast.rs:116:30
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Expr::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Expr::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 |               Expr::IfThenElse(box IfThenElse {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 123 | |                 predicate,
[INFO] [stdout] 124 | |                 consequent,
[INFO] [stdout] 125 | |                 alternative,
[INFO] [stdout] 126 | |             }) => format!(
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Expr::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:177:30
[INFO] [stdout]     |
[INFO] [stdout] 177 |             Expr::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:180:29
[INFO] [stdout]     |
[INFO] [stdout] 180 |             Expr::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:183:30
[INFO] [stdout]     |
[INFO] [stdout] 183 |               Expr::IfThenElse(box IfThenElse {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 184 | |                 predicate,
[INFO] [stdout] 185 | |                 consequent,
[INFO] [stdout] 186 | |                 alternative,
[INFO] [stdout] 187 | |             }) => write!(
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 |             Expr::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Self::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |               Self::IfThenElse(box IfThenElse {
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 52 | |                 predicate,
[INFO] [stdout] 53 | |                 consequent,
[INFO] [stdout] 54 | |                 alternative,
[INFO] [stdout] 55 | |             }) => {
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Self::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.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/ast.rs:116:30
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Expr::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Expr::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 |               Expr::IfThenElse(box IfThenElse {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 123 | |                 predicate,
[INFO] [stdout] 124 | |                 consequent,
[INFO] [stdout] 125 | |                 alternative,
[INFO] [stdout] 126 | |             }) => format!(
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Expr::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:177:30
[INFO] [stdout]     |
[INFO] [stdout] 177 |             Expr::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:180:29
[INFO] [stdout]     |
[INFO] [stdout] 180 |             Expr::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:183:30
[INFO] [stdout]     |
[INFO] [stdout] 183 |               Expr::IfThenElse(box IfThenElse {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 184 | |                 predicate,
[INFO] [stdout] 185 | |                 consequent,
[INFO] [stdout] 186 | |                 alternative,
[INFO] [stdout] 187 | |             }) => write!(
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/ast.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 |             Expr::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Self::Assignment(box Assignment { location, value }) => {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Operation(box Operation { op, lhs, rhs }) => {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |               Self::IfThenElse(box IfThenElse {
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 52 | |                 predicate,
[INFO] [stdout] 53 | |                 consequent,
[INFO] [stdout] 54 | |                 alternative,
[INFO] [stdout] 55 | |             }) => {
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Self::WhileLoop(box WhileLoop { predicate, body }) => {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/ast.rs:117:47
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 format!("(:= {location} {})", value.sexp())
[INFO] [stdout]     |                                               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]    --> src/ast.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 format!("(:= {location} {})", value.sexp())
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/ast.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/ast.rs:120:53
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                                                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]    --> src/ast.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                            ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 predicate.sexp(),
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]    --> src/ast.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 consequent.sexp(),
[INFO] [stdout]     |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]    --> src/ast.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 alternative.sexp()
[INFO] [stdout]     |                 ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 format!("(while {} {})", predicate.sexp(), body.sexp())
[INFO] [stdout]     |                                          ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/ast.rs:133:60
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 format!("(while {} {})", predicate.sexp(), body.sexp())
[INFO] [stdout]     |                                                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]    --> src/ast.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 write!(f, "{} := {}", location, E(value))
[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/ast.rs:178:51
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 write!(f, "{} := {}", location, E(value))
[INFO] [stdout]     |                                                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/ast.rs:181:43
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/ast.rs:181:51
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                                   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]    --> src/ast.rs:181:32
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 E(predicate),
[INFO] [stdout]     |                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]    --> src/ast.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 E(consequent),
[INFO] [stdout]     |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]    --> src/ast.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 E(alternative)
[INFO] [stdout]     |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:195:47
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 write!(f, "while {} do {}", E(predicate), E(body))
[INFO] [stdout]     |                                               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/ast.rs:195:61
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 write!(f, "while {} do {}", E(predicate), E(body))
[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/eval.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 if value.can_transition() {
[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/eval.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     value.transition(store);
[INFO] [stdout]    |                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]   --> src/eval.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     let location = std::mem::take(location);
[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/eval.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     let value = std::mem::take(value);
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 if lhs.can_transition() {
[INFO] [stdout]    |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     lhs.transition(store);
[INFO] [stdout]    |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 } else if rhs.can_transition() {
[INFO] [stdout]    |                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     rhs.transition(store);
[INFO] [stdout]    |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]   --> src/eval.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                                 ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 if predicate.can_transition() {
[INFO] [stdout]    |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     predicate.transition(store);
[INFO] [stdout]    |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     *self = std::mem::take(match predicate {
[INFO] [stdout]    |                                                  ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]   --> src/eval.rs:60:48
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         Self::Boolean(true) => consequent,
[INFO] [stdout]    |                                                ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]   --> src/eval.rs:61:49
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Self::Boolean(false) => alternative,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     predicate.clone(),
[INFO] [stdout]    |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]   --> src/eval.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     Expr::sequence([body.clone(), std::mem::take(self)]),
[INFO] [stdout]    |                                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assignment`, `IfThenElse`, `Operation`, and `WhileLoop`
[INFO] [stdout]  --> src/eval.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::{Assignment, Expr, IfThenElse, Op, Operation, WhileLoop};
[INFO] [stdout]   |                  ^^^^^^^^^^        ^^^^^^^^^^      ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/ast.rs:117:47
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 format!("(:= {location} {})", value.sexp())
[INFO] [stdout]     |                                               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]    --> src/ast.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 format!("(:= {location} {})", value.sexp())
[INFO] [stdout]     |                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/ast.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/ast.rs:120:53
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                                                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]    --> src/ast.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 format!("({op} {} {})", lhs.sexp(), rhs.sexp())
[INFO] [stdout]     |                            ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 predicate.sexp(),
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]    --> src/ast.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 consequent.sexp(),
[INFO] [stdout]     |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]    --> src/ast.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 alternative.sexp()
[INFO] [stdout]     |                 ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 format!("(while {} {})", predicate.sexp(), body.sexp())
[INFO] [stdout]     |                                          ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/ast.rs:133:60
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 format!("(while {} {})", predicate.sexp(), body.sexp())
[INFO] [stdout]     |                                                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]    --> src/ast.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 write!(f, "{} := {}", location, E(value))
[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/ast.rs:178:51
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 write!(f, "{} := {}", location, E(value))
[INFO] [stdout]     |                                                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]    --> src/ast.rs:181:43
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]    --> src/ast.rs:181:51
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                                   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]    --> src/ast.rs:181:32
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 write!(f, "{} {op} {}", E(lhs), E(rhs))
[INFO] [stdout]     |                                ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 E(predicate),
[INFO] [stdout]     |                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]    --> src/ast.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 E(consequent),
[INFO] [stdout]     |                   ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]    --> src/ast.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 E(alternative)
[INFO] [stdout]     |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]    --> src/ast.rs:195:47
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 write!(f, "while {} do {}", E(predicate), E(body))
[INFO] [stdout]     |                                               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/ast.rs:195:61
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 write!(f, "while {} do {}", E(predicate), E(body))
[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/eval.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 if value.can_transition() {
[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/eval.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     value.transition(store);
[INFO] [stdout]    |                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `location` in this scope
[INFO] [stdout]   --> src/eval.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     let location = std::mem::take(location);
[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/eval.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     let value = std::mem::take(value);
[INFO] [stdout]    |                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 if lhs.can_transition() {
[INFO] [stdout]    |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     lhs.transition(store);
[INFO] [stdout]    |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 } else if rhs.can_transition() {
[INFO] [stdout]    |                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     rhs.transition(store);
[INFO] [stdout]    |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lhs` in this scope
[INFO] [stdout]   --> src/eval.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `op` in this scope
[INFO] [stdout]   --> src/eval.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                                 ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rhs` in this scope
[INFO] [stdout]   --> src/eval.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     match (lhs, op, rhs) {
[INFO] [stdout]    |                                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 if predicate.can_transition() {
[INFO] [stdout]    |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     predicate.transition(store);
[INFO] [stdout]    |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     *self = std::mem::take(match predicate {
[INFO] [stdout]    |                                                  ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `consequent` in this scope
[INFO] [stdout]   --> src/eval.rs:60:48
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         Self::Boolean(true) => consequent,
[INFO] [stdout]    |                                                ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `alternative` in this scope
[INFO] [stdout]   --> src/eval.rs:61:49
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Self::Boolean(false) => alternative,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `predicate` in this scope
[INFO] [stdout]   --> src/eval.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     predicate.clone(),
[INFO] [stdout]    |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]   --> src/eval.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     Expr::sequence([body.clone(), std::mem::take(self)]),
[INFO] [stdout]    |                                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assignment`, `IfThenElse`, `Operation`, and `WhileLoop`
[INFO] [stdout]  --> src/eval.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::{Assignment, Expr, IfThenElse, Op, Operation, WhileLoop};
[INFO] [stdout]   |                  ^^^^^^^^^^        ^^^^^^^^^^      ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `i64` cannot be dereferenced
[INFO] [stdout]   --> src/eval.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   *self = Self::integer(*a + *b)
[INFO] [stdout]    |                                             ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `i64` cannot be dereferenced
[INFO] [stdout]   --> src/eval.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   *self = Self::integer(*a + *b)
[INFO] [stdout]    |                                                  ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imp` (lib test) due to 53 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0614]: type `i64` cannot be dereferenced
[INFO] [stdout]   --> src/eval.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   *self = Self::integer(*a + *b)
[INFO] [stdout]    |                                             ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `i64` cannot be dereferenced
[INFO] [stdout]   --> src/eval.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   *self = Self::integer(*a + *b)
[INFO] [stdout]    |                                                  ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imp` (lib) due to 53 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4", kill_on_drop: false }`
[INFO] [stdout] 6ea6c117711472d162650f95a33357ffac2f28f5438a22a19c49172f3cba16f4
