[INFO] cloning repository https://github.com/JamieCrisman/tiny-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamieCrisman/tiny-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieCrisman%2Ftiny-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieCrisman%2Ftiny-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b71a780c087337fb6827bc898244506095df7a7
[INFO] checking JamieCrisman/tiny-machine against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieCrisman%2Ftiny-machine" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JamieCrisman/tiny-machine
[INFO] finished tweaking git repo https://github.com/JamieCrisman/tiny-machine
[INFO] tweaked toml for git repo https://github.com/JamieCrisman/tiny-machine written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JamieCrisman/tiny-machine on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JamieCrisman/tiny-machine 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `IterMut` and `Iter`
[INFO] [stdout]  --> src/compiler/symbol_table.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::hash_map::{Iter, IterMut};
[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: `IterMut` and `Iter`
[INFO] [stdout]  --> src/compiler/symbol_table.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::hash_map::{Iter, IterMut};
[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 `BOOL` is never constructed
[INFO] [stdout]   --> src/parser/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     BOOL(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, 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: variants `Func` and `ReturnValue` are never constructed
[INFO] [stdout]    --> src/compiler/mod.rs:794:5
[INFO] [stdout]     |
[INFO] [stdout] 788 | pub enum ObjectType {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 794 |     Func,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 797 |     ReturnValue,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObjectType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Envir` is never constructed
[INFO] [stdout]  --> src/compiler/envir.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Envir {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from`, `new_with_outer`, `get`, and `set` are never used
[INFO] [stdout]   --> src/compiler/envir.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Envir {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn from(store: HashMap<String, Object>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn new_with_outer(outer: Rc<RefCell<Envir>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get(&mut self, name: String) -> Option<Object> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn set(&mut self, name: String, value: &Object) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_height` is never read
[INFO] [stdout]   --> src/vm/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     screen_height: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[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]    --> src/compiler/mod.rs:748:18
[INFO] [stdout]     |
[INFO] [stdout] 739 | #[derive(PartialEq, Clone, Debug)]
[INFO] [stdout]     |          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 748 |     Builtin(i32, BuiltInFunc),
[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: variant `BOOL` is never constructed
[INFO] [stdout]   --> src/parser/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     BOOL(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, 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: variants `Func` and `ReturnValue` are never constructed
[INFO] [stdout]    --> src/compiler/mod.rs:794:5
[INFO] [stdout]     |
[INFO] [stdout] 788 | pub enum ObjectType {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 794 |     Func,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 797 |     ReturnValue,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObjectType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Envir` is never constructed
[INFO] [stdout]  --> src/compiler/envir.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Envir {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from`, `new_with_outer`, `get`, and `set` are never used
[INFO] [stdout]   --> src/compiler/envir.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Envir {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn from(store: HashMap<String, Object>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn new_with_outer(outer: Rc<RefCell<Envir>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get(&mut self, name: String) -> Option<Object> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn set(&mut self, name: String, value: &Object) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_height` is never read
[INFO] [stdout]   --> src/vm/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     screen_height: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[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]    --> src/compiler/mod.rs:748:18
[INFO] [stdout]     |
[INFO] [stdout] 739 | #[derive(PartialEq, Clone, Debug)]
[INFO] [stdout]     |          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 748 |     Builtin(i32, BuiltInFunc),
[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]     Finished `dev` profile [optimized + debuginfo] target(s) in 36.43s
[INFO] running `Command { std: "docker" "inspect" "4be9131a83373b1f7c135c3d0b49118eb5b9eae0ea1a2345b86cf0f41761c625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be9131a83373b1f7c135c3d0b49118eb5b9eae0ea1a2345b86cf0f41761c625", kill_on_drop: false }`
[INFO] [stdout] 4be9131a83373b1f7c135c3d0b49118eb5b9eae0ea1a2345b86cf0f41761c625
