[INFO] updating cached repository https://github.com/alekratz/file-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e07753049d39882ee6e9715867c02e3ff86bbdd
[INFO] testing alekratz/file-lang against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Ffile-lang" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alekratz/file-lang on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alekratz/file-lang
[INFO] finished tweaking git repo https://github.com/alekratz/file-lang
[INFO] tweaked toml for git repo https://github.com/alekratz/file-lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/alekratz/file-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ae1f0047f5300de553288cdab48675855e528b8e519b54e5538b11b760e8b22
[INFO] running `"docker" "start" "-a" "1ae1f0047f5300de553288cdab48675855e528b8e519b54e5538b11b760e8b22"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling shrinkwraprs v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling file-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `vm::fun::*`
[INFO] [stderr]  --> src/compile/constant.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fun::*`
[INFO] [stderr]  --> src/compile/translate/constant.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::prelude::*`
[INFO] [stderr]  --> src/vm/state.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     common::prelude::*,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/state.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/vm/state.rs:44:52
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stderr]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/common/span.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mapping`
[INFO] [stderr]  --> src/common/util.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/util.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/common/util.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/util.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/lexer.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_ops`
[INFO] [stderr]   --> src/syn/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `curr_text`
[INFO] [stderr]   --> src/syn/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `un_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_un_op`
[INFO] [stderr]   --> src/compile/builtins.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bin_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_bin_op`
[INFO] [stderr]   --> src/compile/builtins.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `functions`
[INFO] [stderr]   --> src/compile/builtins.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_function`
[INFO] [stderr]   --> src/compile/builtins.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `types`
[INFO] [stderr]   --> src/compile/builtins.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_type`
[INFO] [stderr]   --> src/compile/builtins.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/compile/builtins.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPR`
[INFO] [stderr]   --> src/compile/builtins.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub const REPR: &str = "__repr__";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_constant`
[INFO] [stderr]   --> src/compile/context/ir.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/compile/context/ir.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_type`
[INFO] [stderr]   --> src/compile/translate/ir.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_fun`
[INFO] [stderr]   --> src/compile/translate/ir.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function_ref`
[INFO] [stderr]   --> src/vm/artifact.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `constants`
[INFO] [stderr]   --> src/vm/artifact.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function`
[INFO] [stderr]   --> src/vm/artifact.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Partial`
[INFO] [stderr]   --> src/vm/fun.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]   --> src/vm/fun.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arity`
[INFO] [stderr]   --> src/vm/fun.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/vm/fun.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fun`
[INFO] [stderr]    --> src/vm/fun.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]    --> src/vm/fun.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constants_end`
[INFO] [stderr]   --> src/vm/storage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     constants_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frame`
[INFO] [stderr]   --> src/vm/storage.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frames`
[INFO] [stderr]   --> src/vm/storage.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `return_register`
[INFO] [stderr]   --> src/vm/storage.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset_return_register`
[INFO] [stderr]   --> src/vm/storage.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free`
[INFO] [stderr]    --> src/vm/storage.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 45 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "1ae1f0047f5300de553288cdab48675855e528b8e519b54e5538b11b760e8b22"`
[INFO] running `"docker" "rm" "-f" "1ae1f0047f5300de553288cdab48675855e528b8e519b54e5538b11b760e8b22"`
[INFO] [stdout] 1ae1f0047f5300de553288cdab48675855e528b8e519b54e5538b11b760e8b22
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 177f04971076dd60f9a4b2576bf9505627d6728a0e6b5465bc1cb38a0bd6fe8a
[INFO] running `"docker" "start" "-a" "177f04971076dd60f9a4b2576bf9505627d6728a0e6b5465bc1cb38a0bd6fe8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `vm::fun::*`
[INFO] [stderr]  --> src/compile/constant.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fun::*`
[INFO] [stderr]  --> src/compile/translate/constant.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::prelude::*`
[INFO] [stderr]  --> src/vm/state.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     common::prelude::*,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/state.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/vm/state.rs:44:52
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stderr]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/common/span.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mapping`
[INFO] [stderr]  --> src/common/util.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/util.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/common/util.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/util.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/lexer.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_ops`
[INFO] [stderr]   --> src/syn/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `curr_text`
[INFO] [stderr]   --> src/syn/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `un_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_un_op`
[INFO] [stderr]   --> src/compile/builtins.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bin_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_bin_op`
[INFO] [stderr]   --> src/compile/builtins.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `functions`
[INFO] [stderr]   --> src/compile/builtins.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_function`
[INFO] [stderr]   --> src/compile/builtins.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `types`
[INFO] [stderr]   --> src/compile/builtins.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_type`
[INFO] [stderr]   --> src/compile/builtins.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/compile/builtins.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPR`
[INFO] [stderr]   --> src/compile/builtins.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub const REPR: &str = "__repr__";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_constant`
[INFO] [stderr]   --> src/compile/context/ir.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/compile/context/ir.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_type`
[INFO] [stderr]   --> src/compile/translate/ir.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_fun`
[INFO] [stderr]   --> src/compile/translate/ir.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function_ref`
[INFO] [stderr]   --> src/vm/artifact.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `constants`
[INFO] [stderr]   --> src/vm/artifact.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function`
[INFO] [stderr]   --> src/vm/artifact.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Partial`
[INFO] [stderr]   --> src/vm/fun.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]   --> src/vm/fun.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arity`
[INFO] [stderr]   --> src/vm/fun.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/vm/fun.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fun`
[INFO] [stderr]    --> src/vm/fun.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]    --> src/vm/fun.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constants_end`
[INFO] [stderr]   --> src/vm/storage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     constants_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frame`
[INFO] [stderr]   --> src/vm/storage.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frames`
[INFO] [stderr]   --> src/vm/storage.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `return_register`
[INFO] [stderr]   --> src/vm/storage.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset_return_register`
[INFO] [stderr]   --> src/vm/storage.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free`
[INFO] [stderr]    --> src/vm/storage.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 45 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `"docker" "inspect" "177f04971076dd60f9a4b2576bf9505627d6728a0e6b5465bc1cb38a0bd6fe8a"`
[INFO] running `"docker" "rm" "-f" "177f04971076dd60f9a4b2576bf9505627d6728a0e6b5465bc1cb38a0bd6fe8a"`
[INFO] [stdout] 177f04971076dd60f9a4b2576bf9505627d6728a0e6b5465bc1cb38a0bd6fe8a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6a6738a20a5ef1a757906c47ed1b399040846f72f52079f5f3435010193e42d
[INFO] running `"docker" "start" "-a" "a6a6738a20a5ef1a757906c47ed1b399040846f72f52079f5f3435010193e42d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `vm::fun::*`
[INFO] [stderr]  --> src/compile/constant.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{compile::builtins::*, vm::fun::*};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fun::*`
[INFO] [stderr]  --> src/compile/translate/constant.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     vm::{fun::*, object::*, value::*},
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::prelude::*`
[INFO] [stderr]  --> src/vm/state.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     common::prelude::*,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/state.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/vm/state.rs:44:52
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn call_user_fun(&mut self, fun: &UserFun, args: Vec<Value>) {
[INFO] [stderr]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/common/span.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mapping`
[INFO] [stderr]  --> src/common/util.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mapping: HashMap<TypeId, V>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/util.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/common/util.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn insert<K: 'static>(&mut self, value: V) -> Option<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/util.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get<K: 'static>(&self) -> Option<&V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn binary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unary_binding_name`
[INFO] [stderr]    --> src/syn/ast.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn unary_binding_name(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/lexer.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_ops`
[INFO] [stderr]   --> src/syn/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn parse_ops(text: &str) -> Result<Op> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `curr_text`
[INFO] [stderr]   --> src/syn/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn curr_text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/syn/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn text(&self) -> &'text str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `un_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn un_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_un_op`
[INFO] [stderr]   --> src/compile/builtins.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn insert_un_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bin_ops`
[INFO] [stderr]   --> src/compile/builtins.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn bin_ops(&self) -> &HashMap<OpList, Binding> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_bin_op`
[INFO] [stderr]   --> src/compile/builtins.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn insert_bin_op(&mut self, op: OpList, binding: Binding) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `functions`
[INFO] [stderr]   --> src/compile/builtins.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn functions(&self) -> &HashMap<Binding, BuiltinFun> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_function`
[INFO] [stderr]   --> src/compile/builtins.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn insert_function(&mut self, binding: Binding, fun: BuiltinFun) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `types`
[INFO] [stderr]   --> src/compile/builtins.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn types(&self) -> &HashMap<Binding, BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_type`
[INFO] [stderr]   --> src/compile/builtins.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn insert_type<O: 'static + Object>(&mut self, binding: Binding, ty: BuiltinType) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/compile/builtins.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get_type<O: 'static + Object>(&self) -> Option<&BuiltinType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPR`
[INFO] [stderr]   --> src/compile/builtins.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub const REPR: &str = "__repr__";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_constant`
[INFO] [stderr]   --> src/compile/context/ir.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn get_constant(&self, value_ref: ValueRef) -> &ConstValue {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `text`
[INFO] [stderr]   --> src/compile/context/ir.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn text(&self) -> &'t str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_type`
[INFO] [stderr]   --> src/compile/translate/ir.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn translate_type(&mut self, _type_def: &TypeDef) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate_fun`
[INFO] [stderr]   --> src/compile/translate/ir.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn translate_fun(&mut self, fun_def: &FunDef) -> UserFun {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function_ref`
[INFO] [stderr]   --> src/vm/artifact.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn main_function_ref(&self) -> ValueRef {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `constants`
[INFO] [stderr]   --> src/vm/artifact.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn constants(&self) -> &Vec<ObjectValue> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `main_function`
[INFO] [stderr]   --> src/vm/artifact.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn main_function(&self) -> &dyn Object {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Partial`
[INFO] [stderr]   --> src/vm/fun.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Partial(Vec<Value>, ValueRef),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]   --> src/vm/fun.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arity`
[INFO] [stderr]   --> src/vm/fun.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/vm/fun.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(binding: Binding, fun: BuiltinFunPtr) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fun`
[INFO] [stderr]    --> src/vm/fun.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn fun(&self) -> &BuiltinFunPtr {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binding`
[INFO] [stderr]    --> src/vm/fun.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn binding(&self) -> Binding {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constants_end`
[INFO] [stderr]   --> src/vm/storage.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     constants_end: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frame`
[INFO] [stderr]   --> src/vm/storage.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn stack_frame(&self) -> &StackFrame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack_frames`
[INFO] [stderr]   --> src/vm/storage.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn stack_frames(&self) -> &Vec<StackFrame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `return_register`
[INFO] [stderr]   --> src/vm/storage.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn return_register(&self) -> Option<Value> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset_return_register`
[INFO] [stderr]   --> src/vm/storage.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn unset_return_register(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free`
[INFO] [stderr]    --> src/vm/storage.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn free(&mut self, value_ref: ValueRef) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 45 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_lang-01680a415a6d9d57
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test syn::lexer::test::test_keywords ... ok
[INFO] [stdout] test syn::lexer::test::test_tagged_strings ... ok
[INFO] [stdout] test syn::lexer::test::test_raw_strings ... ok
[INFO] [stdout] test syn::lexer::test::test_hex_numbers ... ok
[INFO] [stdout] test syn::parser::test::test_parser_assign_stmt ... ok
[INFO] [stdout] test syn::lexer::test::test_ops ... ok
[INFO] [stdout] test syn::lexer::test::test_dec_numbers ... ok
[INFO] [stdout] test syn::parser::test::test_parser_fun_def_stmt ... ok
[INFO] [stdout] test syn::lexer::test::test_real_numbers ... ok
[INFO] [stdout] test syn::parser::test::test_parser_access_expr ... ok
[INFO] [stdout] test syn::parser::test::test_parser_bin_expr ... ok
[INFO] [stdout] test syn::lexer::test::test_strings ... ok
[INFO] [stdout] test syn::parser::test::test_parser_atom ... ok
[INFO] [stdout] test syn::lexer::test::test_oct_numbers ... ok
[INFO] [stdout] test syn::lexer::test::test_exponents ... ok
[INFO] [stdout] test syn::lexer::test::test_idents ... ok
[INFO] [stdout] test syn::lexer::test::test_bin_numbers ... ok
[INFO] [stdout] test syn::parser::test::test_parser_if_stmt ... ok
[INFO] [stdout] test syn::parser::test::test_parser_loops ... ok
[INFO] [stdout] test syn::parser::test::test_parser_un_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a6a6738a20a5ef1a757906c47ed1b399040846f72f52079f5f3435010193e42d"`
[INFO] running `"docker" "rm" "-f" "a6a6738a20a5ef1a757906c47ed1b399040846f72f52079f5f3435010193e42d"`
[INFO] [stdout] a6a6738a20a5ef1a757906c47ed1b399040846f72f52079f5f3435010193e42d