[INFO] cloning repository https://github.com/dotjpg3141/simple_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotjpg3141/simple_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfae46d61aaab41cf530750af2c332cf297a86fb
[INFO] checking dotjpg3141/simple_lang against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] finished tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] tweaked toml for git repo https://github.com/dotjpg3141/simple_lang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dotjpg3141/simple_lang on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dotjpg3141/simple_lang 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `simple_lang` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355
[INFO] running `Command { std: "docker" "start" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355", 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" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355", 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" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `simple_lang` (manifest) generated 1 warning
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking simple_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simplelang/lexer.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ('0' <= c && c <= '9')
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     ('0' <= c && c <= '9')
[INFO] [stdout] 184 +     '0' <= c && c <= '9'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simplelang/lexer.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ('0' <= c && c <= '9')
[INFO] [stdout]     |     ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     ('0' <= c && c <= '9')
[INFO] [stdout] 184 +     '0' <= c && c <= '9'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / lazy_static! {
[INFO] [stdout]  6 | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout]  7 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     };
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / lazy_static! {
[INFO] [stdout]  6 | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout]  7 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     };
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / lazy_static! {
[INFO] [stdout]  6 | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout]  7 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     };
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / lazy_static! {
[INFO] [stdout]  6 | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout]  7 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     };
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `end`, and `message` are never read
[INFO] [stdout]   --> src/simplelang/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 72 |     start: TextPosition,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     end: TextPosition,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SyntaxError` has a derived impl for the trait `Debug`, but this is 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: associated function `at_range` is never used
[INFO] [stdout]   --> src/simplelang/mod.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_slice` is never used
[INFO] [stdout]   --> src/simplelang/indexed_slice.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<'a, T> IndexedSlice<'a, T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn from_slice(slice: &'a [T]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Get` is never used
[INFO] [stdout]   --> src/simplelang/indexed_slice.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub trait Get<I> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_slice` is never used
[INFO] [stdout]   --> src/simplelang/indexed_slice.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn do_slice<'a, T, I>(idslice: &IndexedSlice<'a, T>, offset: usize, index: I) -> IndexedSlice<'a, T>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/simplelang/parser.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |     tokens: &'a [Token],
[INFO] [stdout]    |              -- the lifetime is named here
[INFO] [stdout] 59 |     min_precedence: u32,
[INFO] [stdout] 60 | ) -> Option<(&'a [Token], &OperatorInfo)> {
[INFO] [stdout]    |               --          ^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the same 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] 60 | ) -> Option<(&'a [Token], &'a OperatorInfo)> {
[INFO] [stdout]    |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `end`, and `message` are never read
[INFO] [stdout]   --> src/simplelang/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 72 |     start: TextPosition,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 73 |     end: TextPosition,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SyntaxError` has a derived impl for the trait `Debug`, but this is 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: associated function `at_range` is never used
[INFO] [stdout]   --> src/simplelang/mod.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/simplelang/parser.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |     tokens: &'a [Token],
[INFO] [stdout]    |              -- the lifetime is named here
[INFO] [stdout] 59 |     min_precedence: u32,
[INFO] [stdout] 60 | ) -> Option<(&'a [Token], &OperatorInfo)> {
[INFO] [stdout]    |               --          ^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the same 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] 60 | ) -> Option<(&'a [Token], &'a OperatorInfo)> {
[INFO] [stdout]    |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355", kill_on_drop: false }`
[INFO] [stdout] f20d54d4bbd720e36907bd816a747d881112d1a104535c0c9023aefb25ed8355
