[INFO] fetching crate zub 0.3.14...
[INFO] checking zub-0.3.14 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate zub 0.3.14 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zub 0.3.14 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zub 0.3.14
[INFO] finished tweaking crates.io crate zub 0.3.14
[INFO] tweaked toml for crates.io crate zub 0.3.14 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zub 0.3.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.3.3
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded im-rc v14.3.0
[INFO] [stderr]   Downloaded flame v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06549560ddafdb24363b23f202573111ad605dfc90babe978df618e44d09e3dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06549560ddafdb24363b23f202573111ad605dfc90babe978df618e44d09e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06549560ddafdb24363b23f202573111ad605dfc90babe978df618e44d09e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06549560ddafdb24363b23f202573111ad605dfc90babe978df618e44d09e3dc", kill_on_drop: false }`
[INFO] [stdout] 06549560ddafdb24363b23f202573111ad605dfc90babe978df618e44d09e3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33d4cd05d15157467ed61f84a763d9109a2191d5575987a8b298374e74a4a063
[INFO] running `Command { std: "docker" "start" "-a" "33d4cd05d15157467ed61f84a763d9109a2191d5575987a8b298374e74a4a063", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking ahash v0.3.3
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking libc v0.2.69
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]     Checking zub v0.3.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use] extern crate flamer;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tag::*`
[INFO] [stdout]  --> src/vm/value/object.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::gc::{ *, tag::*, trace::* };
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::compiler::CompileState`
[INFO] [stdout]   --> src/vm/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::compiler::CompileState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Trace`, `Tracer`
[INFO] [stdout]  --> src/vm/disassembler.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gc::trace::{ Trace, Tracer };
[INFO] [stdout]   |                  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use] extern crate flamer;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tag::*`
[INFO] [stdout]  --> src/vm/value/object.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::gc::{ *, tag::*, trace::* };
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::compiler::CompileState`
[INFO] [stdout]   --> src/vm/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::compiler::CompileState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Trace`, `Tracer`
[INFO] [stdout]  --> src/vm/disassembler.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gc::trace::{ Trace, Tracer };
[INFO] [stdout]   |                  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Nil` is named the same as one of the variants of the type `vm::value::value::Variant`
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: to match on the variant, qualify the path: `vm::value::value::Variant::Nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/compiler/compiler.rs:663:13
[INFO] [stdout]     |
[INFO] [stdout] 663 |             _ => panic!("not a constant")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Nil`
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_Nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Nil` is named the same as one of the variants of the type `vm::value::value::Variant`
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: to match on the variant, qualify the path: `vm::value::value::Variant::Nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/compiler/compiler.rs:663:13
[INFO] [stdout]     |
[INFO] [stdout] 663 |             _ => panic!("not a constant")
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Nil`
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_Nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:405:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let b = self.deref(b).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 404 | 
[INFO] [stdout] 405 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here                 - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:391:27
[INFO] [stdout]     |
[INFO] [stdout] 389 |                 let b = self.deref(b).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 390 | 
[INFO] [stdout] 391 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here                 - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:398:27
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let a = self.deref(a).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 397 | 
[INFO] [stdout] 398 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here              - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let dict = self.deref(dict_handle);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 520 |             self.push(*value)
[INFO] [stdout]     |             ^^^^      ------ immutable borrow later used here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:629:17
[INFO] [stdout]     |
[INFO] [stdout] 607 |         let list = self.deref(list_handle);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 629 |                 self.push(*value)
[INFO] [stdout]     |                 ^^^^      ------ immutable borrow later used here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:405:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let b = self.deref(b).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 404 | 
[INFO] [stdout] 405 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here                 - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:391:27
[INFO] [stdout]     |
[INFO] [stdout] 389 |                 let b = self.deref(b).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 390 | 
[INFO] [stdout] 391 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here                 - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:398:27
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let a = self.deref(a).as_string().unwrap();
[INFO] [stdout]     |                         ---- immutable borrow occurs here
[INFO] [stdout] 397 | 
[INFO] [stdout] 398 |                 let new = self.allocate(Object::String(format!("{}{}", a, b)));
[INFO] [stdout]     |                           ^^^^ mutable borrow occurs here              - immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let dict = self.deref(dict_handle);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 520 |             self.push(*value)
[INFO] [stdout]     |             ^^^^      ------ immutable borrow later used here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/vm/vm.rs:629:17
[INFO] [stdout]     |
[INFO] [stdout] 607 |         let list = self.deref(list_handle);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 629 |                 self.push(*value)
[INFO] [stdout]     |                 ^^^^      ------ immutable borrow later used here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_dict_element`
[INFO] [stdout]    --> src/vm/vm.rs:487:8
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn set_dict_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_dict_element`
[INFO] [stdout]    --> src/vm/vm.rs:506:8
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn get_dict_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_list_element`
[INFO] [stdout]    --> src/vm/vm.rs:541:8
[INFO] [stdout]     |
[INFO] [stdout] 541 |     fn set_list_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_loop`
[INFO] [stdout]    --> src/vm/vm.rs:649:8
[INFO] [stdout]     |
[INFO] [stdout] 649 |     fn on_loop(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invoke`
[INFO] [stdout]    --> src/vm/disassembler.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn invoke(&mut self, arity: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `class`
[INFO] [stdout]    --> src/vm/disassembler.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn class(&mut self, idx: u8) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_property`
[INFO] [stdout]    --> src/vm/disassembler.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn get_property(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_property`
[INFO] [stdout]    --> src/vm/disassembler.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn set_property(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_scope`
[INFO] [stdout]    --> src/compiler/compiler.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn begin_scope(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_drain_as_slice` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_drain_as_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/vm/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Nil` should have a snake case name
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_dict_element`
[INFO] [stdout]    --> src/vm/vm.rs:487:8
[INFO] [stdout]     |
[INFO] [stdout] 487 |     fn set_dict_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_dict_element`
[INFO] [stdout]    --> src/vm/vm.rs:506:8
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn get_dict_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_list_element`
[INFO] [stdout]    --> src/vm/vm.rs:541:8
[INFO] [stdout]     |
[INFO] [stdout] 541 |     fn set_list_element(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_loop`
[INFO] [stdout]    --> src/vm/vm.rs:649:8
[INFO] [stdout]     |
[INFO] [stdout] 649 |     fn on_loop(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invoke`
[INFO] [stdout]    --> src/vm/disassembler.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn invoke(&mut self, arity: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `class`
[INFO] [stdout]    --> src/vm/disassembler.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn class(&mut self, idx: u8) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_property`
[INFO] [stdout]    --> src/vm/disassembler.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn get_property(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_property`
[INFO] [stdout]    --> src/vm/disassembler.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn set_property(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_scope`
[INFO] [stdout]    --> src/compiler/compiler.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn begin_scope(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_drain_as_slice` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_drain_as_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/vm/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Nil` should have a snake case name
[INFO] [stdout]    --> src/vm/vm.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             Nil => HashVariant::Nil,
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `nil`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Token::*`
[INFO] [stdout]    --> examples/mini.rs:483:13
[INFO] [stdout]     |
[INFO] [stdout] 483 |         use self::Token::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> examples/mini.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |         Var(name, depth) => {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> examples/mini.rs:625:17
[INFO] [stdout]     |
[INFO] [stdout] 625 |             Let(name, expr, var) => {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> examples/mini.rs:635:17
[INFO] [stdout]     |
[INFO] [stdout] 635 |             Fun(name, params, body, var) => {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> examples/mini.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |             c => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]    --> examples/mini.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     If(Expression, Vec<Statement>, Option<Vec<Statement>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]    --> examples/mini.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     While(Expression, Vec<Statement>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]    --> examples/mini.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Assign(Expression, Expression),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]    --> examples/mini.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     Array(Vec<Expression>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]    --> examples/mini.rs:565:8
[INFO] [stdout]     |
[INFO] [stdout] 565 |     fn peek(&self) -> Token {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "33d4cd05d15157467ed61f84a763d9109a2191d5575987a8b298374e74a4a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d4cd05d15157467ed61f84a763d9109a2191d5575987a8b298374e74a4a063", kill_on_drop: false }`
[INFO] [stdout] 33d4cd05d15157467ed61f84a763d9109a2191d5575987a8b298374e74a4a063
