[INFO] cloning repository https://github.com/yifaaan/json-parser-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yifaaan/json-parser-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fjson-parser-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fjson-parser-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da03a3e0b1a3ad42414504a9c48eae0ec1177dbd [INFO] checking yifaaan/json-parser-demo against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fjson-parser-demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yifaaan/json-parser-demo on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yifaaan/json-parser-demo [INFO] finished tweaking git repo https://github.com/yifaaan/json-parser-demo [INFO] tweaked toml for git repo https://github.com/yifaaan/json-parser-demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yifaaan/json-parser-demo 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae99a731499a943f8ba567f3b4700c0b0f3384cbec50f6fd8fb18f7a29a11e65 [INFO] running `Command { std: "docker" "start" "-a" "ae99a731499a943f8ba567f3b4700c0b0f3384cbec50f6fd8fb18f7a29a11e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae99a731499a943f8ba567f3b4700c0b0f3384cbec50f6fd8fb18f7a29a11e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae99a731499a943f8ba567f3b4700c0b0f3384cbec50f6fd8fb18f7a29a11e65", kill_on_drop: false }` [INFO] [stdout] ae99a731499a943f8ba567f3b4700c0b0f3384cbec50f6fd8fb18f7a29a11e65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12c7c6659d682fbba147d17d4c34ce8a4385fce4b8c6541628ddc797b8b14eb9 [INFO] running `Command { std: "docker" "start" "-a" "12c7c6659d682fbba147d17d4c34ce8a4385fce4b8c6541628ddc797b8b14eb9", kill_on_drop: false }` [INFO] [stderr] Checking json-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tokenize.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | _ => todo!("implement other tokens"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/tokenize.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 27 | '[' => Token::LeftBracket, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 28 | ']' => Token::RightBracket, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 29 | '{' => Token::LeftBrace, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 30 | '}' => Token::RightBrace, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | _ => todo!("implement other tokens"), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ParseResult` is never used [INFO] [stdout] --> src/parse.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | type ParseResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/parse.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn parse(input: String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_tokens` is never used [INFO] [stdout] --> src/parse.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn parse_tokens(tokens: &[Token], index: &mut usize) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `UnfinishedEscape`, `InvalidHexValue`, `InvalidCodePointValue`, `ExpectedComma`, `ExpectedProperty`, and `ExpectedColon` are never constructed [INFO] [stdout] --> src/parse.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub enum TokenParseError { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 56 | /// An escape sequence was started without 4 hexadecimaldigits afterwards [INFO] [stdout] 57 | UnfinishedEscape, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | InvalidHexValue, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | InvalidCodePointValue, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 64 | [INFO] [stdout] 65 | ExpectedComma, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 66 | ExpectedProperty, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 67 | ExpectedColon, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_string` is never used [INFO] [stdout] --> src/parse.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_string(input: &str) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_array` is never used [INFO] [stdout] --> src/parse.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn parse_array(tokens: &[Token], index: &mut usize) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_object` is never used [INFO] [stdout] --> src/parse.rs:144:4 [INFO] [stdout] | [INFO] [stdout] 144 | fn parse_object(tokens: &[Token], index: &mut usize) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize` is never used [INFO] [stdout] --> src/tokenize.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn tokenize(input: String) -> Result, TokenizeError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_token` is never used [INFO] [stdout] --> src/tokenize.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn make_token(chars: &Vec, index: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `UnfinishedLiteralValue`, `ParseNumberError`, `UnclosedQuotes`, `UnexpectedEof`, and `CharNotRecognized` are never constructed [INFO] [stdout] --> src/tokenize.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum TokenizeError { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 47 | /// The input apperaed to be the start of the literal value but dit not finished [INFO] [stdout] 48 | UnfinishedLiteralValue, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 49 | /// Unable to parse the float value [INFO] [stdout] 50 | ParseNumberError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 51 | /// String was never completed [INFO] [stdout] 52 | UnclosedQuotes, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 53 | /// The input ended early [INFO] [stdout] 54 | UnexpectedEof, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 55 | /// Character is not part of a json token [INFO] [stdout] 56 | CharNotRecognized(char), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenizeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize_null` is never used [INFO] [stdout] --> src/tokenize.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn tokenize_null(chars: &Vec, index: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize_false` is never used [INFO] [stdout] --> src/tokenize.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn tokenize_false(chars: &Vec, index: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize_true` is never used [INFO] [stdout] --> src/tokenize.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn tokenize_true(chars: &Vec, index: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize_float` is never used [INFO] [stdout] --> src/tokenize.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn tokenize_float(chars: &Vec, cur_idx: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize_string` is never used [INFO] [stdout] --> src/tokenize.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn tokenize_string(chars: &Vec, cur_idx: &mut usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/tokenize.rs:158:5 [INFO] [stdout] | [INFO] [stdout] 156 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 157 | /// `{` [INFO] [stdout] 158 | LeftBrace, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 161 | RightBrace, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 164 | LeftBracket, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 167 | RightBracket, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | Comma, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | Null, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | False, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 182 | True, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | Number(f64), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 188 | String(String), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tokenize.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | _ => todo!("implement other tokens"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/tokenize.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 27 | '[' => Token::LeftBracket, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 28 | ']' => Token::RightBracket, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 29 | '{' => Token::LeftBrace, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] 30 | '}' => Token::RightBrace, [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | _ => todo!("implement other tokens"), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/parse.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn parse(input: String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "12c7c6659d682fbba147d17d4c34ce8a4385fce4b8c6541628ddc797b8b14eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12c7c6659d682fbba147d17d4c34ce8a4385fce4b8c6541628ddc797b8b14eb9", kill_on_drop: false }` [INFO] [stdout] 12c7c6659d682fbba147d17d4c34ce8a4385fce4b8c6541628ddc797b8b14eb9