[INFO] fetching crate json-flat-parser 0.1.0... [INFO] checking json-flat-parser-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate json-flat-parser 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate json-flat-parser 0.1.0 [INFO] finished tweaking crates.io crate json-flat-parser 0.1.0 [INFO] tweaked toml for crates.io crate json-flat-parser 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate json-flat-parser 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate json-flat-parser 0.1.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af9681c9b1a3d07814e970e217af46b86948aad14e1e07c221f32280d382c0d1 [INFO] running `Command { std: "docker" "start" "-a" "af9681c9b1a3d07814e970e217af46b86948aad14e1e07c221f32280d382c0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af9681c9b1a3d07814e970e217af46b86948aad14e1e07c221f32280d382c0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af9681c9b1a3d07814e970e217af46b86948aad14e1e07c221f32280d382c0d1", kill_on_drop: false }` [INFO] [stdout] af9681c9b1a3d07814e970e217af46b86948aad14e1e07c221f32280d382c0d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10543ad6d75df8ffd148b742da18c1505d69b4540ef4f7bf6a954ec9aa8bdca9 [INFO] running `Command { std: "docker" "start" "-a" "10543ad6d75df8ffd148b742da18c1505d69b4540ef4f7bf6a954ec9aa8bdca9", kill_on_drop: false }` [INFO] [stderr] Checking json-flat-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/parser.rs:71:194 [INFO] [stdout] | [INFO] [stdout] 71 | ..., parse_option: &ParseOptions, position: &mut usize) -> Result<(usize), String> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - fn process_object(&mut self, route: &mut PointerFragment, target: &mut Vec>, depth: u8, count: usize, parse_option: &ParseOptions, position: &mut usize) -> Result<(usize), String> { [INFO] [stdout] 71 + fn process_object(&mut self, route: &mut PointerFragment, target: &mut Vec>, depth: u8, count: usize, parse_option: &ParseOptions, position: &mut usize) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/parser.rs:71:194 [INFO] [stdout] | [INFO] [stdout] 71 | ..., parse_option: &ParseOptions, position: &mut usize) -> Result<(usize), String> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - fn process_object(&mut self, route: &mut PointerFragment, target: &mut Vec>, depth: u8, count: usize, parse_option: &ParseOptions, position: &mut usize) -> Result<(usize), String> { [INFO] [stdout] 71 + fn process_object(&mut self, route: &mut PointerFragment, target: &mut Vec>, depth: u8, count: usize, parse_option: &ParseOptions, position: &mut usize) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parsed` [INFO] [stdout] --> src/parser.rs:205:37 [INFO] [stdout] | [INFO] [stdout] 205 | ... let mut parsed = true; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed` [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/parser.rs:205:33 [INFO] [stdout] | [INFO] [stdout] 205 | ... let mut parsed = true; [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: unused variable: `capacity` [INFO] [stdout] --> src/serializer.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 273 | fn new_map(capacity: usize) -> Map> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/serializer.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 342 | _ => panic!("todo") [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/serializer.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 309 | Value::Object(obj) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 317 | Value::Array(arr) => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 335 | Value::Number(num) => num.to_string(), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 336 | Value::Integer(num) => num.to_string(), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 342 | _ => panic!("todo") [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elements_count` [INFO] [stdout] --> src/lib.rs:173:47 [INFO] [stdout] | [INFO] [stdout] 173 | ValueType::Object(parsed, elements_count) => { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements_count` [INFO] [stdout] ... [INFO] [stdout] 343 | change_depth!(&'json str, change_depth, |r: ParseResult<&'json str>| r); [INFO] [stdout] | ----------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `change_depth` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elements_count` [INFO] [stdout] --> src/lib.rs:173:47 [INFO] [stdout] | [INFO] [stdout] 173 | ValueType::Object(parsed, elements_count) => { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements_count` [INFO] [stdout] ... [INFO] [stdout] 344 | change_depth!(String, change_depth_owned, |r: ParseResult<&str>| r.to_owned()); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `change_depth` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parsed` [INFO] [stdout] --> src/parser.rs:205:37 [INFO] [stdout] | [INFO] [stdout] 205 | ... let mut parsed = true; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed` [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/parser.rs:205:33 [INFO] [stdout] | [INFO] [stdout] 205 | ... let mut parsed = true; [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: unused variable: `vec` [INFO] [stdout] --> src/parser.rs:953:13 [INFO] [stdout] | [INFO] [stdout] 953 | let vec = &res.json; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:952:13 [INFO] [stdout] | [INFO] [stdout] 952 | let mut res = JSONParser::parse(json, ParseOptions::default().parse_array(false)).unwrap(); [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] --> src/parser.rs:959:13 [INFO] [stdout] | [INFO] [stdout] 959 | let mut json = fs::read_to_string(path).unwrap(); [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] --> src/parser.rs:960:13 [INFO] [stdout] | [INFO] [stdout] 960 | ... let mut res = JSONParser::parse(json.as_str(), ParseOptions::default().start_parse_at("/panels".to_string()).parse_array(false)).un... [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] --> src/parser.rs:970:13 [INFO] [stdout] | [INFO] [stdout] 970 | let mut json = fs::read_to_string(path).unwrap(); [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] --> src/parser.rs:971:13 [INFO] [stdout] | [INFO] [stdout] 971 | ... let mut res = JSONParser::parse(json.as_str(), ParseOptions::default().start_parse_at("/info".to_string()).parse_array(false)).unwr... [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `capacity` [INFO] [stdout] --> src/serializer.rs:273:15 [INFO] [stdout] | [INFO] [stdout] 273 | fn new_map(capacity: usize) -> Map> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/serializer.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 342 | _ => panic!("todo") [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/serializer.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 309 | Value::Object(obj) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 317 | Value::Array(arr) => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 335 | Value::Number(num) => num.to_string(), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 336 | Value::Integer(num) => num.to_string(), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 342 | _ => panic!("todo") [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elements_count` [INFO] [stdout] --> src/lib.rs:173:47 [INFO] [stdout] | [INFO] [stdout] 173 | ValueType::Object(parsed, elements_count) => { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements_count` [INFO] [stdout] ... [INFO] [stdout] 343 | change_depth!(&'json str, change_depth, |r: ParseResult<&'json str>| r); [INFO] [stdout] | ----------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `change_depth` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elements_count` [INFO] [stdout] --> src/lib.rs:173:47 [INFO] [stdout] | [INFO] [stdout] 173 | ValueType::Object(parsed, elements_count) => { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements_count` [INFO] [stdout] ... [INFO] [stdout] 344 | change_depth!(String, change_depth_owned, |r: ParseResult<&str>| r.to_owned()); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `change_depth` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "10543ad6d75df8ffd148b742da18c1505d69b4540ef4f7bf6a954ec9aa8bdca9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10543ad6d75df8ffd148b742da18c1505d69b4540ef4f7bf6a954ec9aa8bdca9", kill_on_drop: false }` [INFO] [stdout] 10543ad6d75df8ffd148b742da18c1505d69b4540ef4f7bf6a954ec9aa8bdca9