[INFO] cloning repository https://github.com/divy-goes-random/json_tokenizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/divy-goes-random/json_tokenizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8dd8e4fb70aefed168108dcd00523128947f2b15 [INFO] checking divy-goes-random/json_tokenizer/8dd8e4fb70aefed168108dcd00523128947f2b15 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/divy-goes-random/json_tokenizer on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/divy-goes-random/json_tokenizer [INFO] finished tweaking git repo https://github.com/divy-goes-random/json_tokenizer [INFO] tweaked toml for git repo https://github.com/divy-goes-random/json_tokenizer written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/divy-goes-random/json_tokenizer 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49f7ac0344a8939dcdceecd8634db4861ff8d30c59c40ecd8bbe68c6d2f1e90f [INFO] running `Command { std: "docker" "start" "-a" "49f7ac0344a8939dcdceecd8634db4861ff8d30c59c40ecd8bbe68c6d2f1e90f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49f7ac0344a8939dcdceecd8634db4861ff8d30c59c40ecd8bbe68c6d2f1e90f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49f7ac0344a8939dcdceecd8634db4861ff8d30c59c40ecd8bbe68c6d2f1e90f", kill_on_drop: false }` [INFO] [stdout] 49f7ac0344a8939dcdceecd8634db4861ff8d30c59c40ecd8bbe68c6d2f1e90f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1491e4c66635e397261e153fa5cfb5edd1a312f2c5557d81b02eb8eaae58b8f [INFO] running `Command { std: "docker" "start" "-a" "f1491e4c66635e397261e153fa5cfb5edd1a312f2c5557d81b02eb8eaae58b8f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking json-tokenizer v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:134:20 [INFO] [stdout] | [INFO] [stdout] 134 | '0'...'9' => v.push(self.number_token()?), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:134:20 [INFO] [stdout] | [INFO] [stdout] 134 | '0'...'9' => v.push(self.number_token()?), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | IO(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | IO(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Tokenize`, `Parse`, and `Other` are never constructed [INFO] [stdout] --> src/error.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Tokenize(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | Parse(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | IO(std::io::Error), [INFO] [stdout] 8 | Other(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/result.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/tokenizer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 12 | Coma, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | CurlyOpen, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 15 | CurlyClose, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 16 | SquareOpen, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 17 | SquareClose, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 18 | StringValue(String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 19 | NumberValue(f64), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 20 | BoolValue(bool), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 21 | NullValue, [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: field `char_stream` is never read [INFO] [stdout] --> src/tokenizer.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Tokenizer { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 25 | char_stream: PeekableIter, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/tokenizer.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl Tokenizer { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | fn take_until(&mut self, predicate: fn(char) -> bool) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn take_while(&mut self, predicate: fn(char) -> bool) -> Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn skip(&mut self, ch: char) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn string_token(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn number_token(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn keyword_token(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn tokenize(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tokenizer.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | let chars = self.take_while(|c| Regex::new(r"^\d$").unwrap().is_match(&c.to_string()))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | Tokenize(String), [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | Tokenize(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `json-tokenizer` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | IO(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | IO(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variants `Parse` and `Other` are never constructed [INFO] [stdout] --> src/error.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Tokenize(String), [INFO] [stdout] 6 | Parse(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | IO(std::io::Error), [INFO] [stdout] 8 | Other(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tokenizer.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | let chars = self.take_while(|c| Regex::new(r"^\d$").unwrap().is_match(&c.to_string()))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `json-tokenizer` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f1491e4c66635e397261e153fa5cfb5edd1a312f2c5557d81b02eb8eaae58b8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1491e4c66635e397261e153fa5cfb5edd1a312f2c5557d81b02eb8eaae58b8f", kill_on_drop: false }` [INFO] [stdout] f1491e4c66635e397261e153fa5cfb5edd1a312f2c5557d81b02eb8eaae58b8f