[INFO] cloning repository https://github.com/green-narofsky/stone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/green-narofsky/stone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreen-narofsky%2Fstone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreen-narofsky%2Fstone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ee4759de9f14233ea015741c9e5cff1edc57c0a
[INFO] testing green-narofsky/stone against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreen-narofsky%2Fstone" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/green-narofsky/stone on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/green-narofsky/stone
[INFO] finished tweaking git repo https://github.com/green-narofsky/stone
[INFO] tweaked toml for git repo https://github.com/green-narofsky/stone written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/green-narofsky/stone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", 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] 6c1348d3f84f36779fb814dfa0eea54986378dbfad03782bfa805ec4e421507b
[INFO] running `Command { std: "docker" "start" "-a" "6c1348d3f84f36779fb814dfa0eea54986378dbfad03782bfa805ec4e421507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1348d3f84f36779fb814dfa0eea54986378dbfad03782bfa805ec4e421507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1348d3f84f36779fb814dfa0eea54986378dbfad03782bfa805ec4e421507b", kill_on_drop: false }`
[INFO] [stdout] 6c1348d3f84f36779fb814dfa0eea54986378dbfad03782bfa805ec4e421507b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--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] bcc9f3cd90f3c540b58fb5b3da7c963ba34353e95e39d65ac1e002dd3409a1be
[INFO] running `Command { std: "docker" "start" "-a" "bcc9f3cd90f3c540b58fb5b3da7c963ba34353e95e39d65ac1e002dd3409a1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling tagged-refs v0.1.0 (/opt/rustwide/workdir/tagged-refs)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling dynasm v1.0.0
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling dynasmrt v1.0.0
[INFO] [stderr]    Compiling lasso v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling stone v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::core::convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::core::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/main.rs:822:31
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/main.rs:822:46
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parse.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             Ok((input, CommandWord::Save)) => Ok(Command::SaveHello),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parse.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Ok((input, CommandWord::Load)) => Ok(Command::LoadHello),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_x64_hello`
[INFO] [stdout]  --> src/jit.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn make_x64_hello() -> (dynasmrt::mmap::ExecutableBuffer, dynasmrt::AssemblyOffset) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `x64_hello`
[INFO] [stdout]   --> src/jit.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn x64_hello() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/jit.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub extern "win64" fn print(buffer: *const u8, length: u64) -> bool {
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string`
[INFO] [stdout]   --> src/parse.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path`
[INFO] [stdout]   --> src/parse.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_unchecked`
[INFO] [stdout]   --> src/main.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub(crate) unsafe fn new_unchecked(val: usize) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Signature`
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Signature {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sig`
[INFO] [stdout]    --> src/main.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |               $vis fn sig(&self) -> Signature {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |               $vis fn eval(&self, args: Vec<Value>) -> Value {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: associated function is never used: `name`
[INFO] [stdout]    --> src/main.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |               $vis fn name(&self) -> &'static str {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: struct is never constructed: `CallTree`
[INFO] [stdout]    --> src/main.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | struct CallTree {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PureFunction`
[INFO] [stdout]    --> src/main.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct PureFunction {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SumType`
[INFO] [stdout]    --> src/main.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct SumType {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SumValue`
[INFO] [stdout]    --> src/main.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | struct SumValue {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProductType`
[INFO] [stdout]    --> src/main.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | struct ProductType {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `type_of`
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn type_of(&self) -> Type {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:324:8
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:329:8
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn insert(&mut self, data: Vec<u8>) -> BinaryKey {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/main.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn get(&self, key: BinaryKey) -> Option<&[u8]> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]    --> src/main.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn get_mut(&mut self, key: BinaryKey) -> Option<&mut Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shared`
[INFO] [stdout]    --> src/main.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn shared(&mut self) -> PointerId {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unique`
[INFO] [stdout]    --> src/main.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn unique(&mut self) -> PointerId {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invalidate`
[INFO] [stdout]    --> src/main.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn invalidate(&mut self, invalidation: PointerInvalidation) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]    --> src/main.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn is_valid(&self, kind: PointerKind, ptr: PointerId) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OwningRead`
[INFO] [stdout]    --> src/main.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     OwningRead,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OwningMutate`
[INFO] [stdout]    --> src/main.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     OwningMutate,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:455:8
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn new(value: Value, chunk_type: Type) -> Result<Self, TypeMismatch> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_val`
[INFO] [stdout]    --> src/main.rs:466:8
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn from_val(value: Value) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/main.rs:499:8
[INFO] [stdout]     |
[INFO] [stdout] 499 |     fn empty(next: Option<niche::NonMaxUsize>) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `used`
[INFO] [stdout]    --> src/main.rs:505:8
[INFO] [stdout]     |
[INFO] [stdout] 505 |     fn used(chunk: Chunk) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AllocError`
[INFO] [stdout]    --> src/main.rs:561:6
[INFO] [stdout]     |
[INFO] [stdout] 561 | enum AllocError {}
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeMismatch`
[INFO] [stdout]    --> src/main.rs:570:5
[INFO] [stdout]     |
[INFO] [stdout] 570 |     TypeMismatch,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OverlappingLocations`
[INFO] [stdout]    --> src/main.rs:578:5
[INFO] [stdout]     |
[INFO] [stdout] 578 |     OverlappingLocations,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IdMismatch`
[INFO] [stdout]    --> src/main.rs:585:5
[INFO] [stdout]     |
[INFO] [stdout] 585 |     IdMismatch,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WrongKind`
[INFO] [stdout]    --> src/main.rs:595:8
[INFO] [stdout]     |
[INFO] [stdout] 595 | struct WrongKind;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:608:8
[INFO] [stdout]     |
[INFO] [stdout] 608 |     fn insert(&mut self, val: Value) -> Result<Location, AllocError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_location`
[INFO] [stdout]    --> src/main.rs:646:8
[INFO] [stdout]     |
[INFO] [stdout] 646 |     fn validate_location(&self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk_mut`
[INFO] [stdout]    --> src/main.rs:656:8
[INFO] [stdout]     |
[INFO] [stdout] 656 |     fn get_chunk_mut(&mut self, target: Location) -> Result<&mut Chunk, InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk`
[INFO] [stdout]    --> src/main.rs:663:8
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn get_chunk(&self, target: Location) -> Result<&Chunk, InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace`
[INFO] [stdout]    --> src/main.rs:672:8
[INFO] [stdout]     |
[INFO] [stdout] 672 |     fn replace(&mut self, dest: Location, src: Value) -> Result<Value, MutateError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/main.rs:681:8
[INFO] [stdout]     |
[INFO] [stdout] 681 |     fn read(&mut self, src: Location) -> Result<Value, InvalidLocation> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]    --> src/main.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn swap(&mut self, x: Location, y: Location) -> Result<(), MutateError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn destroy(&mut self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_ptr`
[INFO] [stdout]    --> src/main.rs:795:8
[INFO] [stdout]     |
[INFO] [stdout] 795 |     fn make_ptr(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ptr_replace`
[INFO] [stdout]    --> src/main.rs:822:8
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ptr_swap`
[INFO] [stdout]    --> src/main.rs:834:8
[INFO] [stdout]     |
[INFO] [stdout] 834 |     fn ptr_swap(&mut self, dest: Pointer, src: Pointer) -> Result<(), WrongKind> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "bcc9f3cd90f3c540b58fb5b3da7c963ba34353e95e39d65ac1e002dd3409a1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc9f3cd90f3c540b58fb5b3da7c963ba34353e95e39d65ac1e002dd3409a1be", kill_on_drop: false }`
[INFO] [stdout] bcc9f3cd90f3c540b58fb5b3da7c963ba34353e95e39d65ac1e002dd3409a1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df58e813b50d79f6226ac8f313c7c027f9bc721d55fcb3b715f7c12829d3cc10
[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" "df58e813b50d79f6226ac8f313c7c027f9bc721d55fcb3b715f7c12829d3cc10", kill_on_drop: false }`
[INFO] [stderr]    Compiling stone v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::core::convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::core::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]    --> src/main.rs:822:31
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/main.rs:822:46
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parse.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parse.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             Ok((input, CommandWord::Save)) => Ok(Command::SaveHello),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parse.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Ok((input, CommandWord::Load)) => Ok(Command::LoadHello),
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string`
[INFO] [stdout]   --> src/parse.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path`
[INFO] [stdout]   --> src/parse.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_unchecked`
[INFO] [stdout]   --> src/main.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub(crate) unsafe fn new_unchecked(val: usize) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Signature`
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Signature {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sig`
[INFO] [stdout]    --> src/main.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |               $vis fn sig(&self) -> Signature {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |               $vis fn eval(&self, args: Vec<Value>) -> Value {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: associated function is never used: `name`
[INFO] [stdout]    --> src/main.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |               $vis fn name(&self) -> &'static str {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | / prim_funcs! {
[INFO] [stdout] 163 | |     /// Primitive functions with no side effects.
[INFO] [stdout] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stdout] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |     }
[INFO] [stdout] 171 | | }
[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: struct is never constructed: `CallTree`
[INFO] [stdout]    --> src/main.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | struct CallTree {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PureFunction`
[INFO] [stdout]    --> src/main.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct PureFunction {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SumType`
[INFO] [stdout]    --> src/main.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct SumType {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SumValue`
[INFO] [stdout]    --> src/main.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | struct SumValue {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProductType`
[INFO] [stdout]    --> src/main.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | struct ProductType {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `type_of`
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn type_of(&self) -> Type {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:324:8
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:329:8
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn insert(&mut self, data: Vec<u8>) -> BinaryKey {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/main.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn get(&self, key: BinaryKey) -> Option<&[u8]> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]    --> src/main.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn get_mut(&mut self, key: BinaryKey) -> Option<&mut Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shared`
[INFO] [stdout]    --> src/main.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn shared(&mut self) -> PointerId {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unique`
[INFO] [stdout]    --> src/main.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn unique(&mut self) -> PointerId {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invalidate`
[INFO] [stdout]    --> src/main.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn invalidate(&mut self, invalidation: PointerInvalidation) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]    --> src/main.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn is_valid(&self, kind: PointerKind, ptr: PointerId) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OwningRead`
[INFO] [stdout]    --> src/main.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     OwningRead,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OwningMutate`
[INFO] [stdout]    --> src/main.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     OwningMutate,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:455:8
[INFO] [stdout]     |
[INFO] [stdout] 455 |     fn new(value: Value, chunk_type: Type) -> Result<Self, TypeMismatch> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_val`
[INFO] [stdout]    --> src/main.rs:466:8
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn from_val(value: Value) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/main.rs:499:8
[INFO] [stdout]     |
[INFO] [stdout] 499 |     fn empty(next: Option<niche::NonMaxUsize>) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `used`
[INFO] [stdout]    --> src/main.rs:505:8
[INFO] [stdout]     |
[INFO] [stdout] 505 |     fn used(chunk: Chunk) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AllocError`
[INFO] [stdout]    --> src/main.rs:561:6
[INFO] [stdout]     |
[INFO] [stdout] 561 | enum AllocError {}
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeMismatch`
[INFO] [stdout]    --> src/main.rs:570:5
[INFO] [stdout]     |
[INFO] [stdout] 570 |     TypeMismatch,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OverlappingLocations`
[INFO] [stdout]    --> src/main.rs:578:5
[INFO] [stdout]     |
[INFO] [stdout] 578 |     OverlappingLocations,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IdMismatch`
[INFO] [stdout]    --> src/main.rs:585:5
[INFO] [stdout]     |
[INFO] [stdout] 585 |     IdMismatch,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WrongKind`
[INFO] [stdout]    --> src/main.rs:595:8
[INFO] [stdout]     |
[INFO] [stdout] 595 | struct WrongKind;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:608:8
[INFO] [stdout]     |
[INFO] [stdout] 608 |     fn insert(&mut self, val: Value) -> Result<Location, AllocError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_location`
[INFO] [stdout]    --> src/main.rs:646:8
[INFO] [stdout]     |
[INFO] [stdout] 646 |     fn validate_location(&self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk_mut`
[INFO] [stdout]    --> src/main.rs:656:8
[INFO] [stdout]     |
[INFO] [stdout] 656 |     fn get_chunk_mut(&mut self, target: Location) -> Result<&mut Chunk, InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk`
[INFO] [stdout]    --> src/main.rs:663:8
[INFO] [stdout]     |
[INFO] [stdout] 663 |     fn get_chunk(&self, target: Location) -> Result<&Chunk, InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace`
[INFO] [stdout]    --> src/main.rs:672:8
[INFO] [stdout]     |
[INFO] [stdout] 672 |     fn replace(&mut self, dest: Location, src: Value) -> Result<Value, MutateError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/main.rs:681:8
[INFO] [stdout]     |
[INFO] [stdout] 681 |     fn read(&mut self, src: Location) -> Result<Value, InvalidLocation> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]    --> src/main.rs:757:8
[INFO] [stdout]     |
[INFO] [stdout] 757 |     fn swap(&mut self, x: Location, y: Location) -> Result<(), MutateError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn destroy(&mut self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_ptr`
[INFO] [stdout]    --> src/main.rs:795:8
[INFO] [stdout]     |
[INFO] [stdout] 795 |     fn make_ptr(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ptr_replace`
[INFO] [stdout]    --> src/main.rs:822:8
[INFO] [stdout]     |
[INFO] [stdout] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ptr_swap`
[INFO] [stdout]    --> src/main.rs:834:8
[INFO] [stdout]     |
[INFO] [stdout] 834 |     fn ptr_swap(&mut self, dest: Pointer, src: Pointer) -> Result<(), WrongKind> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "df58e813b50d79f6226ac8f313c7c027f9bc721d55fcb3b715f7c12829d3cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df58e813b50d79f6226ac8f313c7c027f9bc721d55fcb3b715f7c12829d3cc10", kill_on_drop: false }`
[INFO] [stdout] df58e813b50d79f6226ac8f313c7c027f9bc721d55fcb3b715f7c12829d3cc10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7870441f1e86f117e1f7595ce082909a8373a8da917762ee99fa3443d85a52d
[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" "f7870441f1e86f117e1f7595ce082909a8373a8da917762ee99fa3443d85a52d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `::core::convert::TryFrom`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::core::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]    --> src/main.rs:822:31
[INFO] [stderr]     |
[INFO] [stderr] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]    --> src/main.rs:822:46
[INFO] [stderr]     |
[INFO] [stderr] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stderr]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/parse.rs:79:11
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stderr]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/parse.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/parse.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |             Ok((input, CommandWord::Save)) => Ok(Command::SaveHello),
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/parse.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Ok((input, CommandWord::Load)) => Ok(Command::LoadHello),
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string`
[INFO] [stderr]   --> src/parse.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn string(input: &str) -> ::nom::IResult<&str, &[u8]> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `path`
[INFO] [stderr]   --> src/parse.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn path(input: &str) -> ::nom::IResult<&str, PathBuf> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_unchecked`
[INFO] [stderr]   --> src/main.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 |         pub(crate) unsafe fn new_unchecked(val: usize) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Signature`
[INFO] [stderr]   --> src/main.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 | struct Signature {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sig`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |               $vis fn sig(&self) -> Signature {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 | / prim_funcs! {
[INFO] [stderr] 163 | |     /// Primitive functions with no side effects.
[INFO] [stderr] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stderr] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eval`
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |               $vis fn eval(&self, args: Vec<Value>) -> Value {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 | / prim_funcs! {
[INFO] [stderr] 163 | |     /// Primitive functions with no side effects.
[INFO] [stderr] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stderr] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]    --> src/main.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |               $vis fn name(&self) -> &'static str {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 | / prim_funcs! {
[INFO] [stderr] 163 | |     /// Primitive functions with no side effects.
[INFO] [stderr] 164 | |     #[derive(PartialEq, Eq, Debug)]
[INFO] [stderr] 165 | |     PrimitivePureFunction (?PrimParseError) {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CallTree`
[INFO] [stderr]    --> src/main.rs:197:8
[INFO] [stderr]     |
[INFO] [stderr] 197 | struct CallTree {}
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PureFunction`
[INFO] [stderr]    --> src/main.rs:199:8
[INFO] [stderr]     |
[INFO] [stderr] 199 | struct PureFunction {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SumType`
[INFO] [stderr]    --> src/main.rs:205:8
[INFO] [stderr]     |
[INFO] [stderr] 205 | struct SumType {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SumValue`
[INFO] [stderr]    --> src/main.rs:210:8
[INFO] [stderr]     |
[INFO] [stderr] 210 | struct SumValue {}
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ProductType`
[INFO] [stderr]    --> src/main.rs:213:8
[INFO] [stderr]     |
[INFO] [stderr] 213 | struct ProductType {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `type_of`
[INFO] [stderr]    --> src/main.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn type_of(&self) -> Type {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/main.rs:324:8
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]    --> src/main.rs:329:8
[INFO] [stderr]     |
[INFO] [stderr] 329 |     fn insert(&mut self, data: Vec<u8>) -> BinaryKey {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/main.rs:334:8
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn get(&self, key: BinaryKey) -> Option<&[u8]> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_mut`
[INFO] [stderr]    --> src/main.rs:337:8
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn get_mut(&mut self, key: BinaryKey) -> Option<&mut Vec<u8>> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/main.rs:359:8
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shared`
[INFO] [stderr]    --> src/main.rs:363:8
[INFO] [stderr]     |
[INFO] [stderr] 363 |     fn shared(&mut self) -> PointerId {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unique`
[INFO] [stderr]    --> src/main.rs:389:8
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn unique(&mut self) -> PointerId {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `invalidate`
[INFO] [stderr]    --> src/main.rs:409:8
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn invalidate(&mut self, invalidation: PointerInvalidation) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_valid`
[INFO] [stderr]    --> src/main.rs:423:8
[INFO] [stderr]     |
[INFO] [stderr] 423 |     fn is_valid(&self, kind: PointerKind, ptr: PointerId) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OwningRead`
[INFO] [stderr]    --> src/main.rs:436:5
[INFO] [stderr]     |
[INFO] [stderr] 436 |     OwningRead,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OwningMutate`
[INFO] [stderr]    --> src/main.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |     OwningMutate,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/main.rs:455:8
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn new(value: Value, chunk_type: Type) -> Result<Self, TypeMismatch> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_val`
[INFO] [stderr]    --> src/main.rs:466:8
[INFO] [stderr]     |
[INFO] [stderr] 466 |     fn from_val(value: Value) -> Self {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]    --> src/main.rs:499:8
[INFO] [stderr]     |
[INFO] [stderr] 499 |     fn empty(next: Option<niche::NonMaxUsize>) -> Self {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `used`
[INFO] [stderr]    --> src/main.rs:505:8
[INFO] [stderr]     |
[INFO] [stderr] 505 |     fn used(chunk: Chunk) -> Self {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AllocError`
[INFO] [stderr]    --> src/main.rs:561:6
[INFO] [stderr]     |
[INFO] [stderr] 561 | enum AllocError {}
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TypeMismatch`
[INFO] [stderr]    --> src/main.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 570 |     TypeMismatch,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OverlappingLocations`
[INFO] [stderr]    --> src/main.rs:578:5
[INFO] [stderr]     |
[INFO] [stderr] 578 |     OverlappingLocations,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IdMismatch`
[INFO] [stderr]    --> src/main.rs:585:5
[INFO] [stderr]     |
[INFO] [stderr] 585 |     IdMismatch,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrongKind`
[INFO] [stderr]    --> src/main.rs:595:8
[INFO] [stderr]     |
[INFO] [stderr] 595 | struct WrongKind;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]    --> src/main.rs:608:8
[INFO] [stderr]     |
[INFO] [stderr] 608 |     fn insert(&mut self, val: Value) -> Result<Location, AllocError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `validate_location`
[INFO] [stderr]    --> src/main.rs:646:8
[INFO] [stderr]     |
[INFO] [stderr] 646 |     fn validate_location(&self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_chunk_mut`
[INFO] [stderr]    --> src/main.rs:656:8
[INFO] [stderr]     |
[INFO] [stderr] 656 |     fn get_chunk_mut(&mut self, target: Location) -> Result<&mut Chunk, InvalidLocation> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_chunk`
[INFO] [stderr]    --> src/main.rs:663:8
[INFO] [stderr]     |
[INFO] [stderr] 663 |     fn get_chunk(&self, target: Location) -> Result<&Chunk, InvalidLocation> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `replace`
[INFO] [stderr]    --> src/main.rs:672:8
[INFO] [stderr]     |
[INFO] [stderr] 672 |     fn replace(&mut self, dest: Location, src: Value) -> Result<Value, MutateError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]    --> src/main.rs:681:8
[INFO] [stderr]     |
[INFO] [stderr] 681 |     fn read(&mut self, src: Location) -> Result<Value, InvalidLocation> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `swap`
[INFO] [stderr]    --> src/main.rs:757:8
[INFO] [stderr]     |
[INFO] [stderr] 757 |     fn swap(&mut self, x: Location, y: Location) -> Result<(), MutateError> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `destroy`
[INFO] [stderr]    --> src/main.rs:780:8
[INFO] [stderr]     |
[INFO] [stderr] 780 |     fn destroy(&mut self, target: Location) -> Result<(), InvalidLocation> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_ptr`
[INFO] [stderr]    --> src/main.rs:795:8
[INFO] [stderr]     |
[INFO] [stderr] 795 |     fn make_ptr(
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ptr_replace`
[INFO] [stderr]    --> src/main.rs:822:8
[INFO] [stderr]     |
[INFO] [stderr] 822 |     fn ptr_replace(&mut self, dest: Pointer, src: Value) -> Result<Value, WrongKind> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ptr_swap`
[INFO] [stderr]    --> src/main.rs:834:8
[INFO] [stderr]     |
[INFO] [stderr] 834 |     fn ptr_swap(&mut self, dest: Pointer, src: Pointer) -> Result<(), WrongKind> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 51 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stone-094082acb6d8185b)
[INFO] [stdout] running 3 tests
[INFO] [stdout] Hello, world.Hello, world.test prim_test::parsing_primitives ... ok
[INFO] [stdout] test jit::test::it_works ... ok
[INFO] [stdout] test jit::test::maybe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7870441f1e86f117e1f7595ce082909a8373a8da917762ee99fa3443d85a52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7870441f1e86f117e1f7595ce082909a8373a8da917762ee99fa3443d85a52d", kill_on_drop: false }`
[INFO] [stdout] f7870441f1e86f117e1f7595ce082909a8373a8da917762ee99fa3443d85a52d