[INFO] cloning repository https://github.com/Javyre/uLisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Javyre/uLisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2FuLisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2FuLisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 154a087a648f8908f78d94232b842211c8a831e7
[INFO] checking Javyre/uLisp against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2FuLisp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Javyre/uLisp on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Javyre/uLisp
[INFO] finished tweaking git repo https://github.com/Javyre/uLisp
[INFO] tweaked toml for git repo https://github.com/Javyre/uLisp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Javyre/uLisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf0358c61a062af4d5ecd1f0ed5c2dcf6f8d05125634ebf4fcf9a59bfd15e7a
[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" "edf0358c61a062af4d5ecd1f0ed5c2dcf6f8d05125634ebf4fcf9a59bfd15e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf0358c61a062af4d5ecd1f0ed5c2dcf6f8d05125634ebf4fcf9a59bfd15e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf0358c61a062af4d5ecd1f0ed5c2dcf6f8d05125634ebf4fcf9a59bfd15e7a", kill_on_drop: false }`
[INFO] [stdout] edf0358c61a062af4d5ecd1f0ed5c2dcf6f8d05125634ebf4fcf9a59bfd15e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14127bc57a699a0e0095e384f65e4d4fc7afe5212d7924f97481095fba79a400
[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" "14127bc57a699a0e0095e384f65e4d4fc7afe5212d7924f97481095fba79a400", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking ulisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefMut`, `Ref`
[INFO] [stdout]  --> src/vm/mem.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ref,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     RefMut,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vm/mod.rs:189:50
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   OpCode::CEQ | _ => { (v == n)  },
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub struct LoadOpts: u8 {
[INFO] [stdout] 26 | |         const OVERRIDE_VAR_STRINGS = 0b00000001;
[INFO] [stdout] 27 | |         const REUSE_VAR_STRINGS    = 0b00000010;
[INFO] [stdout] 28 | |         const DEFAULTS             = Self::OVERRIDE_VAR_STRINGS.bits;
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefMut`, `Ref`
[INFO] [stdout]  --> src/vm/mem.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ref,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     RefMut,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vm/mod.rs:189:50
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   OpCode::CEQ | _ => { (v == n)  },
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_len`
[INFO] [stdout]    --> src/vm/mod.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let initial_len = self.reg_stack.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm/mod.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let (mut insts, idents, mut var_strings, consts) = bin.unpack();
[INFO] [stdout]     |                                 ----^^^^^^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_len`
[INFO] [stdout]    --> src/vm/mod.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let initial_len = self.reg_stack.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm/mod.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let (mut insts, idents, mut var_strings, consts) = bin.unpack();
[INFO] [stdout]     |                                 ----^^^^^^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/vm/mem.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn append(&mut self, other: Environment) {
[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: `define_n`
[INFO] [stdout]   --> src/vm/mem.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn define_n(&mut self, frame: usize, ident: IdentID, val: MemData) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_parent`
[INFO] [stdout]    --> src/vm/mem.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn get_parent(&self) -> Option<&Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child`
[INFO] [stdout]    --> src/vm/mem.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get_child(&self) -> Option<&Weak<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `define_n`
[INFO] [stdout]    --> src/vm/mem.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn define_n(&mut self, n: usize, ident: IdentID, val: MemData) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_parent_n`
[INFO] [stdout]    --> src/vm/mem.rs:286:8
[INFO] [stdout]     |
[INFO] [stdout] 286 |     fn get_parent_n(&self, n: usize) -> Option<Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_n`
[INFO] [stdout]    --> src/vm/mem.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_child_n(&self, n: usize) -> Option<Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame`
[INFO] [stdout]    --> src/vm/mem.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn get_frame(&self) -> &Frame {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame_mut`
[INFO] [stdout]    --> src/vm/mem.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn get_frame_mut(&mut self) -> &mut Frame {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_pointer`
[INFO] [stdout]    --> src/vm/data.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn create_pointer(data: MemData) -> MemData {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clone_pointer`
[INFO] [stdout]    --> src/vm/data.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn clone_pointer(&self) -> Option<MemData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_true`
[INFO] [stdout]    --> src/vm/data.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn is_true(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eq`
[INFO] [stdout]    --> src/vm/data.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn eq(&self, other: &Self) -> Result<bool, Error> {
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadScopeIndex`
[INFO] [stdout]   --> src/vm/err.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     BadScopeIndex(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consts`
[INFO] [stdout]   --> src/vm/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     consts: Rc<RefCell<Constants>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/vm/mod.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         self.memory.define(id, MemData::Lambda(insts, env));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/vm/mem.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn append(&mut self, other: Environment) {
[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: `define_n`
[INFO] [stdout]   --> src/vm/mem.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn define_n(&mut self, frame: usize, ident: IdentID, val: MemData) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_parent`
[INFO] [stdout]    --> src/vm/mem.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn get_parent(&self) -> Option<&Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child`
[INFO] [stdout]    --> src/vm/mem.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn get_child(&self) -> Option<&Weak<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `define_n`
[INFO] [stdout]    --> src/vm/mem.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn define_n(&mut self, n: usize, ident: IdentID, val: MemData) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_parent_n`
[INFO] [stdout]    --> src/vm/mem.rs:286:8
[INFO] [stdout]     |
[INFO] [stdout] 286 |     fn get_parent_n(&self, n: usize) -> Option<Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_n`
[INFO] [stdout]    --> src/vm/mem.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn get_child_n(&self, n: usize) -> Option<Rc<RefCell<EnvNode>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame`
[INFO] [stdout]    --> src/vm/mem.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn get_frame(&self) -> &Frame {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frame_mut`
[INFO] [stdout]    --> src/vm/mem.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn get_frame_mut(&mut self) -> &mut Frame {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_pointer`
[INFO] [stdout]    --> src/vm/data.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn create_pointer(data: MemData) -> MemData {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clone_pointer`
[INFO] [stdout]    --> src/vm/data.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn clone_pointer(&self) -> Option<MemData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_true`
[INFO] [stdout]    --> src/vm/data.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn is_true(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadScopeIndex`
[INFO] [stdout]   --> src/vm/err.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     BadScopeIndex(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consts`
[INFO] [stdout]   --> src/vm/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     consts: Rc<RefCell<Constants>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `R`
[INFO] [stdout]    --> src/vm/macros.rs:54:30
[INFO] [stdout]     |
[INFO] [stdout] 54  |           enum ___BinConst { $($ids),* }
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tests.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         program! {
[INFO] [stdout] 175 | |             { foo, bar }
[INFO] [stdout] 176 | |             { 
[INFO] [stdout] 177 | |                 (#a = Str("Heyheyhey".to_string()))
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |             }
[INFO] [stdout] 211 | |         },
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/vm/mod.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         self.memory.define(id, MemData::Lambda(insts, env));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "14127bc57a699a0e0095e384f65e4d4fc7afe5212d7924f97481095fba79a400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14127bc57a699a0e0095e384f65e4d4fc7afe5212d7924f97481095fba79a400", kill_on_drop: false }`
[INFO] [stdout] 14127bc57a699a0e0095e384f65e4d4fc7afe5212d7924f97481095fba79a400