[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 try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok 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-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/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/heyitscarl-dev/layerkey on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6214842dca0b7f1c53beb12b9ff7f3d8c79c679a9b05ff46b61f410c9983562 [INFO] running `Command { std: "docker" "start" "-a" "d6214842dca0b7f1c53beb12b9ff7f3d8c79c679a9b05ff46b61f410c9983562", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6214842dca0b7f1c53beb12b9ff7f3d8c79c679a9b05ff46b61f410c9983562", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6214842dca0b7f1c53beb12b9ff7f3d8c79c679a9b05ff46b61f410c9983562", kill_on_drop: false }` [INFO] [stdout] d6214842dca0b7f1c53beb12b9ff7f3d8c79c679a9b05ff46b61f410c9983562 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17720ddf3bd7079a43500d6e73359ea4cc940b2c477994fd60e612ba7fa254b0 [INFO] running `Command { std: "docker" "start" "-a" "17720ddf3bd7079a43500d6e73359ea4cc940b2c477994fd60e612ba7fa254b0", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking anstream v0.6.19 [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 thiserror v2.0.12 [INFO] [stderr] Checking env_filter v0.1.3 [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` 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, 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`, `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, 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] error: this type will no longer be must used: ControlFlow, Vec> [INFO] [stdout] --> src/main.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | let tokens = tokenise(source)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/main.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | let tokens = tokenise(source)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/lexer/mod.rs:10:55 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn tokenise(source: String) -> Result> { [INFO] [stdout] | _______________________________________________________^ [INFO] [stdout] 11 | | let chars = source.chars().collect::>(); [INFO] [stdout] 12 | | [INFO] [stdout] 13 | | let mut cursor = Location::zero(source); [INFO] [stdout] ... | [INFO] [stdout] 23 | | Ok(tokens) [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/lexer/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Ok(tokens) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `layerkey` (bin "layerkey" test) due to 4 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: ControlFlow, Vec> [INFO] [stdout] --> src/main.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | let tokens = tokenise(source)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/main.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | let tokens = tokenise(source)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/lexer/mod.rs:10:55 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn tokenise(source: String) -> Result> { [INFO] [stdout] | _______________________________________________________^ [INFO] [stdout] 11 | | let chars = source.chars().collect::>(); [INFO] [stdout] 12 | | [INFO] [stdout] 13 | | let mut cursor = Location::zero(source); [INFO] [stdout] ... | [INFO] [stdout] 23 | | Ok(tokens) [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, common::error::Error> [INFO] [stdout] --> src/lexer/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Ok(tokens) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `layerkey` (bin "layerkey") due to 4 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "17720ddf3bd7079a43500d6e73359ea4cc940b2c477994fd60e612ba7fa254b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17720ddf3bd7079a43500d6e73359ea4cc940b2c477994fd60e612ba7fa254b0", kill_on_drop: false }` [INFO] [stdout] 17720ddf3bd7079a43500d6e73359ea4cc940b2c477994fd60e612ba7fa254b0