[INFO] cloning repository https://github.com/h1r0s/my-tree-sitter-0.20.7 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h1r0s/my-tree-sitter-0.20.7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh1r0s%2Fmy-tree-sitter-0.20.7", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh1r0s%2Fmy-tree-sitter-0.20.7'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d34ad9c3b5b43339af7a5a2039975cc795c9a788 [INFO] checking h1r0s/my-tree-sitter-0.20.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh1r0s%2Fmy-tree-sitter-0.20.7" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/h1r0s/my-tree-sitter-0.20.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/h1r0s/my-tree-sitter-0.20.7 [INFO] finished tweaking git repo https://github.com/h1r0s/my-tree-sitter-0.20.7 [INFO] tweaked toml for git repo https://github.com/h1r0s/my-tree-sitter-0.20.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/h1r0s/my-tree-sitter-0.20.7 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallbitvec v2.5.1 [INFO] [stderr] Downloaded tiny_http v0.8.0 [INFO] [stderr] Downloaded html-escape v0.2.6 [INFO] [stderr] Downloaded serde_json v1.0.63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 342244b69a39dd1fc29dab7676ac4a338aa70e5cd5c66a6b2a06368f3dfab5ab [INFO] running `Command { std: "docker" "start" "-a" "342244b69a39dd1fc29dab7676ac4a338aa70e5cd5c66a6b2a06368f3dfab5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "342244b69a39dd1fc29dab7676ac4a338aa70e5cd5c66a6b2a06368f3dfab5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "342244b69a39dd1fc29dab7676ac4a338aa70e5cd5c66a6b2a06368f3dfab5ab", kill_on_drop: false }` [INFO] [stdout] 342244b69a39dd1fc29dab7676ac4a338aa70e5cd5c66a6b2a06368f3dfab5ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c632c26343886505e6c9c0c9d82b1b30d628c83a1fbba630f333e45ab64f80cb [INFO] running `Command { std: "docker" "start" "-a" "c632c26343886505e6c9c0c9d82b1b30d628c83a1fbba630f333e45ab64f80cb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking once_cell v1.7.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.63 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling tree-sitter-loader v0.20.0 (/opt/rustwide/workdir/cli/loader) [INFO] [stderr] Checking libloading v0.7.0 [INFO] [stderr] Compiling semver v1.0.5 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking utf8-width v0.1.4 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking html-escape v0.2.6 [INFO] [stderr] Checking smallbitvec v2.5.1 [INFO] [stderr] Checking webbrowser v0.5.5 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking pretty_assertions v0.7.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling tree-sitter v0.20.9 (/opt/rustwide/workdir/lib) [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking which v4.1.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking tiny_http v0.8.0 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking tree-sitter-tags v0.20.2 (/opt/rustwide/workdir/tags) [INFO] [stderr] Checking tree-sitter-highlight v0.20.1 (/opt/rustwide/workdir/highlight) [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking tree-sitter-config v0.19.0 (/opt/rustwide/workdir/cli/config) [INFO] [stderr] Compiling tree-sitter-cli v0.20.7 (/opt/rustwide/workdir/cli) [INFO] [stdout] warning: the item `webbrowser` is imported redundantly [INFO] [stdout] --> cli/src/playground.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use webbrowser; [INFO] [stdout] | ^^^^^^^^^^ the item `webbrowser` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VariableType` is imported redundantly [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_tokens.rs:314:9 [INFO] [stdout] | [INFO] [stdout] 313 | use super::*; [INFO] [stdout] | -------- the item `VariableType` is already imported here [INFO] [stdout] 314 | use crate::generate::grammars::VariableType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Symbol` is imported redundantly [INFO] [stdout] --> cli/src/generate/prepare_grammar/flatten_grammar.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 221 | use super::*; [INFO] [stdout] | -------- the item `Symbol` is already imported here [INFO] [stdout] 222 | use crate::generate::grammars::VariableType; [INFO] [stdout] 223 | use crate::generate::rules::Symbol; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ProductionStep` is imported redundantly [INFO] [stdout] --> cli/src/generate/prepare_grammar/process_inlines.rs:221:26 [INFO] [stdout] | [INFO] [stdout] 219 | use super::*; [INFO] [stdout] | -------- the item `ProductionStep` is already imported here [INFO] [stdout] 220 | use crate::generate::grammars::{ [INFO] [stdout] 221 | LexicalVariable, ProductionStep, SyntaxVariable, VariableType, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InputGrammar` is imported redundantly [INFO] [stdout] --> cli/src/generate/prepare_grammar/mod.rs:171:37 [INFO] [stdout] | [INFO] [stdout] 170 | use super::*; [INFO] [stdout] | -------- the item `InputGrammar` is already imported here [INFO] [stdout] 171 | use crate::generate::grammars::{InputGrammar, Variable, VariableType}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Variable` is imported redundantly [INFO] [stdout] --> cli/src/generate/prepare_grammar/mod.rs:171:51 [INFO] [stdout] | [INFO] [stdout] 170 | use super::*; [INFO] [stdout] | -------- the item `Variable` is already imported here [INFO] [stdout] 171 | use crate::generate::grammars::{InputGrammar, Variable, VariableType}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `webbrowser` is imported redundantly [INFO] [stdout] --> cli/src/playground.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use webbrowser; [INFO] [stdout] | ^^^^^^^^^^ the item `webbrowser` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_default_aliases.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut status = match step.symbol.kind { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_default_aliases.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut status = match symbol.kind { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_tokens.rs:52:21 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lexical_variable = &mut lexical_variables[index]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Rule` instead of cloning the inner type [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_tokens.rs:212:75 [INFO] [stdout] | [INFO] [stdout] 212 | rule: Box::new(self.extract_tokens_in_rule((&rule).clone())), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_default_aliases.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut status = match step.symbol.kind { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_default_aliases.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut status = match symbol.kind { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_tokens.rs:52:21 [INFO] [stdout] | [INFO] [stdout] 52 | let mut lexical_variable = &mut lexical_variables[index]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&rules::Rule` instead of cloning the inner type [INFO] [stdout] --> cli/src/generate/prepare_grammar/extract_tokens.rs:212:75 [INFO] [stdout] | [INFO] [stdout] 212 | rule: Box::new(self.extract_tokens_in_rule((&rule).clone())), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s [INFO] running `Command { std: "docker" "inspect" "c632c26343886505e6c9c0c9d82b1b30d628c83a1fbba630f333e45ab64f80cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c632c26343886505e6c9c0c9d82b1b30d628c83a1fbba630f333e45ab64f80cb", kill_on_drop: false }` [INFO] [stdout] c632c26343886505e6c9c0c9d82b1b30d628c83a1fbba630f333e45ab64f80cb