[INFO] cloning repository https://github.com/heyitscarl-dev/layerkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyitscarl-dev/layerkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd4487bca6f771cfabf59459df8178853de70823
[INFO] checking heyitscarl-dev/layerkey against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitscarl-dev%2Flayerkey" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/heyitscarl-dev/layerkey
[INFO] finished tweaking git repo https://github.com/heyitscarl-dev/layerkey
[INFO] tweaked toml for git repo https://github.com/heyitscarl-dev/layerkey written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/heyitscarl-dev/layerkey on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/heyitscarl-dev/layerkey 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 713bb59881e4c4137d81841ae48b6e497999dee99a1182b1f4ea87e61af4a521
[INFO] running `Command { std: "docker" "start" "-a" "713bb59881e4c4137d81841ae48b6e497999dee99a1182b1f4ea87e61af4a521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713bb59881e4c4137d81841ae48b6e497999dee99a1182b1f4ea87e61af4a521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713bb59881e4c4137d81841ae48b6e497999dee99a1182b1f4ea87e61af4a521", kill_on_drop: false }`
[INFO] [stdout] 713bb59881e4c4137d81841ae48b6e497999dee99a1182b1f4ea87e61af4a521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e877fd44561aba4787e46f19c1077b9054c9b791bd55387eb6ba0706925469
[INFO] running `Command { std: "docker" "start" "-a" "29e877fd44561aba4787e46f19c1077b9054c9b791bd55387eb6ba0706925469", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking layerkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lexer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[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: `log::warn`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lexer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[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: `log::warn`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source`, `advance_by`, and `span_from` are never used
[INFO] [stdout]   --> src/common/text.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn source(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn advance_by(&mut self, by: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn span_from(self, start: Location) -> Span {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Info`, and `Warn` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     Info {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Warn {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Syntactical` and `Semantic` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FlagKind {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Lexical,
[INFO] [stdout] 23 |     Syntactical,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     Semantic
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn pop(chars: &Vec<char>, cursor: &mut Location) -> char {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     kind: TokenKind,
[INFO] [stdout] 5 |     span: Span,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Identifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     Integer(i32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     LBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     RBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     LBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     RBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Arrow,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `span` and `kind` are never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn span(&self) -> &Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn kind(&self) -> &TokenKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source` and `span_from` are never used
[INFO] [stdout]   --> src/common/text.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn source(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn span_from(self, start: Location) -> Span {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Info`, and `Warn` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     Info {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Warn {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Syntactical` and `Semantic` are never constructed
[INFO] [stdout]   --> src/common/flag.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum FlagKind {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Lexical,
[INFO] [stdout] 23 |     Syntactical,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     Semantic
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]   --> src/lexer/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn pop(chars: &Vec<char>, cursor: &mut Location) -> char {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]  --> src/lexer/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     kind: TokenKind,
[INFO] [stdout] 5 |     span: Span,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Identifier(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     Integer(i32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Bang,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     LBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     RBrace,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     LBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     RBracket,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Arrow,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `span` and `kind` are never used
[INFO] [stdout]   --> src/lexer/token.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn span(&self) -> &Span {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn kind(&self) -> &TokenKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "29e877fd44561aba4787e46f19c1077b9054c9b791bd55387eb6ba0706925469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e877fd44561aba4787e46f19c1077b9054c9b791bd55387eb6ba0706925469", kill_on_drop: false }`
[INFO] [stdout] 29e877fd44561aba4787e46f19c1077b9054c9b791bd55387eb6ba0706925469