[INFO] cloning repository https://github.com/zhangyushao0/seu_lex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangyushao0/seu_lex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyushao0%2Fseu_lex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyushao0%2Fseu_lex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c62994c97d43777be71b2ab2c02ec4c446852c87 [INFO] checking zhangyushao0/seu_lex against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyushao0%2Fseu_lex" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhangyushao0/seu_lex on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhangyushao0/seu_lex [INFO] finished tweaking git repo https://github.com/zhangyushao0/seu_lex [INFO] tweaked toml for git repo https://github.com/zhangyushao0/seu_lex written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zhangyushao0/seu_lex 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded display_tree v1.1.2 [INFO] [stderr] Downloaded display_tree_derive v1.0.3 [INFO] [stderr] Downloaded indexmap v2.2.5 [INFO] [stderr] Downloaded annotate-snippets v0.11.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39bde4284f4bc8a5cf77ad46c97cac3ee834fcfa6b1d0690c984651f7479fc4d [INFO] running `Command { std: "docker" "start" "-a" "39bde4284f4bc8a5cf77ad46c97cac3ee834fcfa6b1d0690c984651f7479fc4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39bde4284f4bc8a5cf77ad46c97cac3ee834fcfa6b1d0690c984651f7479fc4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39bde4284f4bc8a5cf77ad46c97cac3ee834fcfa6b1d0690c984651f7479fc4d", kill_on_drop: false }` [INFO] [stdout] 39bde4284f4bc8a5cf77ad46c97cac3ee834fcfa6b1d0690c984651f7479fc4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 014fe273f3453347c26e571628deacba6f2ccefcc1e0abbacd83f949f2e24da8 [INFO] running `Command { std: "docker" "start" "-a" "014fe273f3453347c26e571628deacba6f2ccefcc1e0abbacd83f949f2e24da8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking indexmap v2.2.5 [INFO] [stderr] Checking annotate-snippets v0.11.1 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling display_tree_derive v1.0.3 [INFO] [stderr] Checking display_tree v1.1.2 [INFO] [stderr] Checking seu_lex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AsTree` and `CharSet` [INFO] [stdout] --> src/ast.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use display_tree::{AsTree, CharSet, DisplayTree, StyleBuilder}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/dfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/nfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/dfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/nfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StyleBuilder` [INFO] [stdout] --> src/ast.rs:1:50 [INFO] [stdout] | [INFO] [stdout] 1 | use display_tree::{AsTree, CharSet, DisplayTree, StyleBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/dfa.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 62 | for (t, next) in self.nfa.states[s].transitions.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dfa.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut start = self.get_epsilon_closure(self.nfa.start); [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] --> src/dfa.rs:305:13 [INFO] [stdout] | [INFO] [stdout] 305 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/nfa.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | for (i, state) in self.states.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `line_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut line_no = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_line_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `col_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let mut col_no = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_col_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line_no` is never read [INFO] [stdout] --> src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | line_no = i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col_no` is never read [INFO] [stdout] --> src/lib.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | col_no = error_pos - pos; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BackSlash` is never constructed [INFO] [stdout] --> src/ast.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 19 | enum CharType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 24 | BackSlash, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_postfix` and `to_ast` are never used [INFO] [stdout] --> src/ast.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl Parser { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | fn to_postfix(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn to_ast(&mut self) -> AstNode { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_graphviz` is never used [INFO] [stdout] --> src/dfa.rs:277:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Dfa { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 277 | pub fn to_graphviz(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_graphviz` is never used [INFO] [stdout] --> src/nfa.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl Nfa { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 185 | fn to_graphviz(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/dfa.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 62 | for (t, next) in self.nfa.states[s].transitions.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dfa.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut start = self.get_epsilon_closure(self.nfa.start); [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] --> src/dfa.rs:305:13 [INFO] [stdout] | [INFO] [stdout] 305 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/nfa.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | for (i, state) in self.states.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `line_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut line_no = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_line_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `col_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let mut col_no = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_col_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line_no` is never read [INFO] [stdout] --> src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | line_no = i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col_no` is never read [INFO] [stdout] --> src/lib.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | col_no = error_pos - pos; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BackSlash` is never constructed [INFO] [stdout] --> src/ast.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 19 | enum CharType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 24 | BackSlash, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s [INFO] running `Command { std: "docker" "inspect" "014fe273f3453347c26e571628deacba6f2ccefcc1e0abbacd83f949f2e24da8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "014fe273f3453347c26e571628deacba6f2ccefcc1e0abbacd83f949f2e24da8", kill_on_drop: false }` [INFO] [stdout] 014fe273f3453347c26e571628deacba6f2ccefcc1e0abbacd83f949f2e24da8 [INFO] checking zhangyushao0/seu_lex against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangyushao0%2Fseu_lex" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhangyushao0/seu_lex on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhangyushao0/seu_lex [INFO] finished tweaking git repo https://github.com/zhangyushao0/seu_lex [INFO] tweaked toml for git repo https://github.com/zhangyushao0/seu_lex written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zhangyushao0/seu_lex 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11daeee2f90f9eeb5764d5838f50757644f792671d123e21bbc02ccc5ead963c [INFO] running `Command { std: "docker" "start" "-a" "11daeee2f90f9eeb5764d5838f50757644f792671d123e21bbc02ccc5ead963c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11daeee2f90f9eeb5764d5838f50757644f792671d123e21bbc02ccc5ead963c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11daeee2f90f9eeb5764d5838f50757644f792671d123e21bbc02ccc5ead963c", kill_on_drop: false }` [INFO] [stdout] 11daeee2f90f9eeb5764d5838f50757644f792671d123e21bbc02ccc5ead963c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d9b3218359eeb1216d457b920812976bb5f56d91a005a6b5c51fc1667bd1fef [INFO] running `Command { std: "docker" "start" "-a" "9d9b3218359eeb1216d457b920812976bb5f56d91a005a6b5c51fc1667bd1fef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking indexmap v2.2.5 [INFO] [stderr] Checking annotate-snippets v0.11.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Compiling display_tree_derive v1.0.3 [INFO] [stderr] Checking display_tree v1.1.2 [INFO] [stderr] Checking seu_lex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AsTree` and `CharSet` [INFO] [stdout] --> src/ast.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use display_tree::{AsTree, CharSet, DisplayTree, StyleBuilder}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/dfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/nfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/dfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/nfa.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use petgraph::dot::{Config, Dot}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StyleBuilder` [INFO] [stdout] --> src/ast.rs:1:50 [INFO] [stdout] | [INFO] [stdout] 1 | use display_tree::{AsTree, CharSet, DisplayTree, StyleBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/dfa.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 62 | for (t, next) in self.nfa.states[s].transitions.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dfa.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut start = self.get_epsilon_closure(self.nfa.start); [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] --> src/dfa.rs:305:13 [INFO] [stdout] | [INFO] [stdout] 305 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/nfa.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | for (i, state) in self.states.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `line_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut line_no = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_line_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `col_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let mut col_no = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_col_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line_no` is never read [INFO] [stdout] --> src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | line_no = i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col_no` is never read [INFO] [stdout] --> src/lib.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | col_no = error_pos - pos; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BackSlash` is never constructed [INFO] [stdout] --> src/ast.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 19 | enum CharType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 24 | BackSlash, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_postfix` and `to_ast` are never used [INFO] [stdout] --> src/ast.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl Parser { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | fn to_postfix(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn to_ast(&mut self) -> AstNode { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_graphviz` is never used [INFO] [stdout] --> src/dfa.rs:277:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Dfa { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 277 | pub fn to_graphviz(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_graphviz` is never used [INFO] [stdout] --> src/nfa.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl Nfa { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 185 | fn to_graphviz(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/dfa.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 62 | for (t, next) in self.nfa.states[s].transitions.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dfa.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut start = self.get_epsilon_closure(self.nfa.start); [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] --> src/dfa.rs:305:13 [INFO] [stdout] | [INFO] [stdout] 305 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/nfa.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | for (i, state) in self.states.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut dot = Dot::new(&graph); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `line_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut line_no = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_line_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `col_no` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let mut col_no = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_col_no` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line_no` is never read [INFO] [stdout] --> src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | line_no = i; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col_no` is never read [INFO] [stdout] --> src/lib.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | col_no = error_pos - pos; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BackSlash` is never constructed [INFO] [stdout] --> src/ast.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 19 | enum CharType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 24 | BackSlash, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "9d9b3218359eeb1216d457b920812976bb5f56d91a005a6b5c51fc1667bd1fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d9b3218359eeb1216d457b920812976bb5f56d91a005a6b5c51fc1667bd1fef", kill_on_drop: false }` [INFO] [stdout] 9d9b3218359eeb1216d457b920812976bb5f56d91a005a6b5c51fc1667bd1fef