[INFO] cloning repository https://github.com/Lapz/vision
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lapz/vision" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fvision", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fvision'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a57c9905c9030707f36790e53fda9a20b13384ed
[INFO] checking Lapz/vision against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fvision" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lapz/vision
[INFO] finished tweaking git repo https://github.com/Lapz/vision
[INFO] tweaked toml for git repo https://github.com/Lapz/vision written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lapz/vision on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lapz/vision already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Lapz/vision against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fvision" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lapz/vision
[INFO] finished tweaking git repo https://github.com/Lapz/vision
[INFO] tweaked toml for git repo https://github.com/Lapz/vision written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lapz/vision on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lapz/vision already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713
[INFO] running `Command { std: "docker" "start" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> ast/src/statements.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     prelude::{Span, Type},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> ast/src/statements.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     prelude::{Span, Type},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawObject`
[INFO] [stdout]  --> vm/src/frame.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Allocator, ClosureObject, FunctionObject, ObjectPtr, RawObject};
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawObject`
[INFO] [stdout]  --> vm/src/frame.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Allocator, ClosureObject, FunctionObject, ObjectPtr, RawObject};
[INFO] [stdout]   |                                                                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> ast/src/expression.rs:118:32
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Expression::Call { callee, args } => todo!(),
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `callee: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> ast/src/expression.rs:118:40
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Expression::Call { callee, args } => todo!(),
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]    --> ast/src/expression.rs:118:32
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Expression::Call { callee, args } => todo!(),
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `callee: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> ast/src/expression.rs:118:40
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Expression::Call { callee, args } => todo!(),
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> ast/src/statements.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Statement::While { cond, body } => todo!(),
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> ast/src/statements.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Statement::While { cond, body } => todo!(),
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> ast/src/statements.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                             ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `then`
[INFO] [stdout]   --> ast/src/statements.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                                   ^^^^ help: try ignoring the field: `then: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `else_`
[INFO] [stdout]   --> ast/src/statements.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                                         ^^^^^ help: try ignoring the field: `else_: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> ast/src/statements.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 ty,
[INFO] [stdout]    |                 ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> ast/src/intern.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let borrowed = item.borrow();
[INFO] [stdout]     |                            ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> ast/src/statements.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Statement::While { cond, body } => todo!(),
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> ast/src/statements.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Statement::While { cond, body } => todo!(),
[INFO] [stdout]    |                                      ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> ast/src/statements.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                             ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `then`
[INFO] [stdout]   --> ast/src/statements.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                                   ^^^^ help: try ignoring the field: `then: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `else_`
[INFO] [stdout]   --> ast/src/statements.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Statement::If { cond, then, else_ } => todo!(),
[INFO] [stdout]    |                                         ^^^^^ help: try ignoring the field: `else_: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> ast/src/statements.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 ty,
[INFO] [stdout]    |                 ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> ast/src/intern.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let borrowed = item.borrow();
[INFO] [stdout]     |                            ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> vm/src/table.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut entry = self.entries.get_mut(slot).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> vm/src/table.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut entry = self.entries.get_mut(slot).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> errors/src/lib.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn diagnostics(&self) -> Ref<Vec<Diagnostic>> {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn diagnostics(&self) -> Ref<'_, Vec<Diagnostic>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Blue` should have an upper case name
[INFO] [stdout]  --> errors/src/color.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const Blue: Color = Color {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 8 - pub const Blue: Color = Color {
[INFO] [stdout] 8 + pub const BLUE: Color = Color {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Purple` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const Purple: Color = Color {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 13 - pub const Purple: Color = Color {
[INFO] [stdout] 13 + pub const PURPLE: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Red` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const Red: Color = Color {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub const Red: Color = Color {
[INFO] [stdout] 18 + pub const RED: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> errors/src/lib.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn diagnostics(&self) -> Ref<Vec<Diagnostic>> {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn diagnostics(&self) -> Ref<'_, Vec<Diagnostic>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Yellow` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const Yellow: Color = Color {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 23 - pub const Yellow: Color = Color {
[INFO] [stdout] 23 + pub const YELLOW: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Blue` should have an upper case name
[INFO] [stdout]  --> errors/src/color.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const Blue: Color = Color {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 8 - pub const Blue: Color = Color {
[INFO] [stdout] 8 + pub const BLUE: Color = Color {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Purple` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const Purple: Color = Color {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 13 - pub const Purple: Color = Color {
[INFO] [stdout] 13 + pub const PURPLE: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Red` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const Red: Color = Color {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub const Red: Color = Color {
[INFO] [stdout] 18 + pub const RED: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Yellow` should have an upper case name
[INFO] [stdout]   --> errors/src/color.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const Yellow: Color = Color {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 23 - pub const Yellow: Color = Color {
[INFO] [stdout] 23 + pub const YELLOW: Color = Color {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> vm/src/object.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub function: NativeFn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> vm/src/object.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub function: NativeFn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: unused import: `RawObject`
[INFO] [stdout]  --> compiler/src/parser.rs:9:59
[INFO] [stdout]   |
[INFO] [stdout] 9 | use vm::{chunk::Chunk, op::Op, FunctionObject, ObjectPtr, RawObject, Table, Value};
[INFO] [stdout]   |                                                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RawObject`
[INFO] [stdout]  --> compiler/src/parser.rs:9:59
[INFO] [stdout]   |
[INFO] [stdout] 9 | use vm::{chunk::Chunk, op::Op, FunctionObject, ObjectPtr, RawObject, Table, Value};
[INFO] [stdout]   |                                                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> syntax/src/parser.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(src: &'a str) -> Parser {
[INFO] [stdout]    |                      --         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(src: &'a str) -> Parser<'a> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> syntax/src/parser.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(src: &'a str) -> Parser {
[INFO] [stdout]    |                      --         ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(src: &'a str) -> Parser<'a> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: variant `Type` is never constructed
[INFO] [stdout]   --> compiler/src/token.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     Type,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> compiler/src/lib.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(input: &str) -> Option<ParseResult> {
[INFO] [stdout]    |                       ^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(input: &str) -> Option<ParseResult<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> compiler/src/scanner.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(src: &'a str) -> Scanner {
[INFO] [stdout]    |                      --         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(src: &'a str) -> Scanner<'a> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `self`
[INFO] [stdout]  --> core/src/ast/resolved.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Display};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `self`
[INFO] [stdout]  --> core/src/ast/resolved.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Display};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Type` is never constructed
[INFO] [stdout]   --> compiler/src/token.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 53 |     Type,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> compiler/src/lib.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(input: &str) -> Option<ParseResult> {
[INFO] [stdout]    |                       ^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(input: &str) -> Option<ParseResult<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> compiler/src/scanner.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(src: &'a str) -> Scanner {
[INFO] [stdout]    |                      --         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(src: &'a str) -> Scanner<'a> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> core/src/resolve.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 223 | /                 if let Some(ty) = ty {
[INFO] [stdout] 224 | |                     self.visit_type(ty)
[INFO] [stdout]     | |                     ^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]     | |                     |
[INFO] [stdout]     | |                     expected `()`, found `Spanned<Type>`
[INFO] [stdout] 225 | |                 }
[INFO] [stdout]     | |_________________- `if` expressions without `else` arms expect their inner expression to be `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<resolved::Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> core/src/resolve.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 223 | /                 if let Some(ty) = ty {
[INFO] [stdout] 224 | |                     self.visit_type(ty)
[INFO] [stdout]     | |                     ^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]     | |                     |
[INFO] [stdout]     | |                     expected `()`, found `Spanned<Type>`
[INFO] [stdout] 225 | |                 }
[INFO] [stdout]     | |_________________- `if` expressions without `else` arms expect their inner expression to be `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<resolved::Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> core/src/resolve.rs:243:48
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match expression.value() {
[INFO] [stdout] 237 | |             a::Expression::Literal(_) => {}
[INFO] [stdout]     | |                                          -- this is found to be of type `()`
[INFO] [stdout] 238 | |             a::Expression::Ternary { cond, lhs, rhs } => {
[INFO] [stdout] 239 | |                 self.visit_expr(cond);
[INFO] [stdout] 240 | |                 self.visit_expr(lhs);
[INFO] [stdout] 241 | |                 self.visit_expr(rhs)
[INFO] [stdout]     | |                 -------------------- this is found to be of type `()`
[INFO] [stdout] 242 | |             }
[INFO] [stdout] 243 | |             a::Expression::Identifier(name) => self.visit_name(name, ItemKind::Value),
[INFO] [stdout]     | |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Spanned<SymbolId>`
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |             a::Expression::Error => {}
[INFO] [stdout] 257 | |         }
[INFO] [stdout]     | |_________- `match` arms have incompatible types
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<SymbolId>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> core/src/resolve.rs:243:48
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match expression.value() {
[INFO] [stdout] 237 | |             a::Expression::Literal(_) => {}
[INFO] [stdout]     | |                                          -- this is found to be of type `()`
[INFO] [stdout] 238 | |             a::Expression::Ternary { cond, lhs, rhs } => {
[INFO] [stdout] 239 | |                 self.visit_expr(cond);
[INFO] [stdout] 240 | |                 self.visit_expr(lhs);
[INFO] [stdout] 241 | |                 self.visit_expr(rhs)
[INFO] [stdout]     | |                 -------------------- this is found to be of type `()`
[INFO] [stdout] 242 | |             }
[INFO] [stdout] 243 | |             a::Expression::Identifier(name) => self.visit_name(name, ItemKind::Value),
[INFO] [stdout]     | |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Spanned<SymbolId>`
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |             a::Expression::Error => {}
[INFO] [stdout] 257 | |         }
[INFO] [stdout]     | |_________- `match` arms have incompatible types
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<SymbolId>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> core/src/resolve.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 277 | /         if let Some(ref ty) = const_.ty {
[INFO] [stdout] 278 | |             self.visit_type(ty)
[INFO] [stdout]     | |             ^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]     | |             |
[INFO] [stdout]     | |             expected `()`, found `Spanned<Type>`
[INFO] [stdout] 279 | |         }
[INFO] [stdout]     | |_________- `if` expressions without `else` arms expect their inner expression to be `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<resolved::Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> core/src/resolve.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 277 | /         if let Some(ref ty) = const_.ty {
[INFO] [stdout] 278 | |             self.visit_type(ty)
[INFO] [stdout]     | |             ^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]     | |             |
[INFO] [stdout]     | |             expected `()`, found `Spanned<Type>`
[INFO] [stdout] 279 | |         }
[INFO] [stdout]     | |_________- `if` expressions without `else` arms expect their inner expression to be `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Spanned<resolved::Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visitor::Visitor`
[INFO] [stdout]  --> core/src/resolve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     visitor::Visitor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trait_`
[INFO] [stdout]    --> core/src/resolve.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn visit_trait(&mut self, trait_: &'ast Spanned<a::Trait>) {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_trait_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visitor::Visitor`
[INFO] [stdout]  --> core/src/resolve.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     visitor::Visitor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trait_`
[INFO] [stdout]    --> core/src/resolve.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn visit_trait(&mut self, trait_: &'ast Spanned<a::Trait>) {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_trait_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713", kill_on_drop: false }`
[INFO] [stdout] 178a179e2ac4cfd41aaaef9e05aea6961fd1770ebffb57a35f98af9307524713
