[INFO] fetching crate return_crusher 0.1.4... [INFO] checking return_crusher-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate return_crusher 0.1.4 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate return_crusher 0.1.4 [INFO] finished tweaking crates.io crate return_crusher 0.1.4 [INFO] tweaked toml for crates.io crate return_crusher 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate return_crusher 0.1.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate return_crusher 0.1.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 tree-sitter-language v0.1.0 [INFO] [stderr] Downloaded tree-sitter-c v0.23.0 [INFO] [stderr] Downloaded tree-sitter v0.23.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e5e96b1b761c1fa8060c7bb9c4fe02520ffbd6b065740acda097d8d98e19389 [INFO] running `Command { std: "docker" "start" "-a" "7e5e96b1b761c1fa8060c7bb9c4fe02520ffbd6b065740acda097d8d98e19389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e5e96b1b761c1fa8060c7bb9c4fe02520ffbd6b065740acda097d8d98e19389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e5e96b1b761c1fa8060c7bb9c4fe02520ffbd6b065740acda097d8d98e19389", kill_on_drop: false }` [INFO] [stdout] 7e5e96b1b761c1fa8060c7bb9c4fe02520ffbd6b065740acda097d8d98e19389 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c0516009a29c1999cd6fecc125c1a4befa9770d2d539ad5c2726661a3153d3d [INFO] running `Command { std: "docker" "start" "-a" "8c0516009a29c1999cd6fecc125c1a4befa9770d2d539ad5c2726661a3153d3d", kill_on_drop: false }` [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking tree-sitter-language v0.1.0 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling tree-sitter-c v0.23.0 [INFO] [stderr] Compiling tree-sitter v0.23.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking return_crusher v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::error; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt::format`, `io::Write`, and `process::Command` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | collections::HashMap, fmt::format, fs::File, io::Read, io::Write, path::Path, process::Command, [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:1139:6 [INFO] [stdout] | [INFO] [stdout] 1139 | if (node.kind() == "compound_statement") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1139 - if (node.kind() == "compound_statement") { [INFO] [stdout] 1139 + if node.kind() == "compound_statement" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:648:3 [INFO] [stdout] | [INFO] [stdout] 643 | / return format!( [INFO] [stdout] 644 | | "({{ {} }})", [INFO] [stdout] 645 | | source[node.start_byte() as usize..node.end_byte() as usize].to_string() [INFO] [stdout] 646 | | ); [INFO] [stdout] | |___- any code following this expression is unreachable [INFO] [stdout] 647 | // 获取switch的条件表达式 [INFO] [stdout] 648 | let condition = get_switch_condition(node, source); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/main.rs:657:13 [INFO] [stdout] | [INFO] [stdout] 657 | let mut result = String::new(); [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 `current_expr` is never read [INFO] [stdout] --> src/main.rs:668:15 [INFO] [stdout] | [INFO] [stdout] 668 | let mut current_expr = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/main.rs:722:43 [INFO] [stdout] | [INFO] [stdout] 722 | fn get_case_body<'a>(case_node: Node<'a>, source: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_function_name` is never used [INFO] [stdout] --> src/main.rs:559:4 [INFO] [stdout] | [INFO] [stdout] 559 | fn get_function_name<'a>(func_node: Node<'a>, source: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `contains_loop` is never used [INFO] [stdout] --> src/main.rs:570:4 [INFO] [stdout] | [INFO] [stdout] 570 | fn contains_loop(node: Node) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_case_body` is never used [INFO] [stdout] --> src/main.rs:722:4 [INFO] [stdout] | [INFO] [stdout] 722 | fn get_case_body<'a>(case_node: Node<'a>, source: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transform_compound_statement` is never used [INFO] [stdout] --> src/main.rs:1138:4 [INFO] [stdout] | [INFO] [stdout] 1138 | fn transform_compound_statement(node: Node, source: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::error` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::error; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt::format`, `io::Write`, and `process::Command` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | collections::HashMap, fmt::format, fs::File, io::Read, io::Write, path::Path, process::Command, [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:1139:6 [INFO] [stdout] | [INFO] [stdout] 1139 | if (node.kind() == "compound_statement") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1139 - if (node.kind() == "compound_statement") { [INFO] [stdout] 1139 + if node.kind() == "compound_statement" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:648:3 [INFO] [stdout] | [INFO] [stdout] 643 | / return format!( [INFO] [stdout] 644 | | "({{ {} }})", [INFO] [stdout] 645 | | source[node.start_byte() as usize..node.end_byte() as usize].to_string() [INFO] [stdout] 646 | | ); [INFO] [stdout] | |___- any code following this expression is unreachable [INFO] [stdout] 647 | // 获取switch的条件表达式 [INFO] [stdout] 648 | let condition = get_switch_condition(node, source); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/main.rs:657:13 [INFO] [stdout] | [INFO] [stdout] 657 | let mut result = String::new(); [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 `current_expr` is never read [INFO] [stdout] --> src/main.rs:668:15 [INFO] [stdout] | [INFO] [stdout] 668 | let mut current_expr = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/main.rs:722:43 [INFO] [stdout] | [INFO] [stdout] 722 | fn get_case_body<'a>(case_node: Node<'a>, source: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_function_name` is never used [INFO] [stdout] --> src/main.rs:559:4 [INFO] [stdout] | [INFO] [stdout] 559 | fn get_function_name<'a>(func_node: Node<'a>, source: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `contains_loop` is never used [INFO] [stdout] --> src/main.rs:570:4 [INFO] [stdout] | [INFO] [stdout] 570 | fn contains_loop(node: Node) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_case_body` is never used [INFO] [stdout] --> src/main.rs:722:4 [INFO] [stdout] | [INFO] [stdout] 722 | fn get_case_body<'a>(case_node: Node<'a>, source: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transform_compound_statement` is never used [INFO] [stdout] --> src/main.rs:1138:4 [INFO] [stdout] | [INFO] [stdout] 1138 | fn transform_compound_statement(node: Node, source: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s [INFO] running `Command { std: "docker" "inspect" "8c0516009a29c1999cd6fecc125c1a4befa9770d2d539ad5c2726661a3153d3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c0516009a29c1999cd6fecc125c1a4befa9770d2d539ad5c2726661a3153d3d", kill_on_drop: false }` [INFO] [stdout] 8c0516009a29c1999cd6fecc125c1a4befa9770d2d539ad5c2726661a3153d3d