[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 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/divy-goes-random/json_tokenizer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a13b8be85b98550f9aaaee16cbe3cb96a410ea893487b17e0c064c38171edae [INFO] running `Command { std: "docker" "start" "-a" "7a13b8be85b98550f9aaaee16cbe3cb96a410ea893487b17e0c064c38171edae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a13b8be85b98550f9aaaee16cbe3cb96a410ea893487b17e0c064c38171edae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a13b8be85b98550f9aaaee16cbe3cb96a410ea893487b17e0c064c38171edae", kill_on_drop: false }` [INFO] [stdout] 7a13b8be85b98550f9aaaee16cbe3cb96a410ea893487b17e0c064c38171edae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d16734e9a18b0646556d9966e18104ce5233ec483bb5eeac518a78d0f41fd472 [INFO] running `Command { std: "docker" "start" "-a" "d16734e9a18b0646556d9966e18104ce5233ec483bb5eeac518a78d0f41fd472", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [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: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/tokenizer.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::{Iterator, Peekable}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/tokenizer.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::{Iterator, Peekable}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: `#[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] warning: 9 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: `#[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] [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] 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 `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] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s [INFO] running `Command { std: "docker" "inspect" "d16734e9a18b0646556d9966e18104ce5233ec483bb5eeac518a78d0f41fd472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d16734e9a18b0646556d9966e18104ce5233ec483bb5eeac518a78d0f41fd472", kill_on_drop: false }` [INFO] [stdout] d16734e9a18b0646556d9966e18104ce5233ec483bb5eeac518a78d0f41fd472 [INFO] checking divy-goes-random/json_tokenizer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/divy-goes-random/json_tokenizer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 683a8ddb9206c3decc7db4b676518f8794b1ad25f3049365bec355698fb4d080 [INFO] running `Command { std: "docker" "start" "-a" "683a8ddb9206c3decc7db4b676518f8794b1ad25f3049365bec355698fb4d080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "683a8ddb9206c3decc7db4b676518f8794b1ad25f3049365bec355698fb4d080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "683a8ddb9206c3decc7db4b676518f8794b1ad25f3049365bec355698fb4d080", kill_on_drop: false }` [INFO] [stdout] 683a8ddb9206c3decc7db4b676518f8794b1ad25f3049365bec355698fb4d080 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f38139974317a7020c7615dd8d1843c889e37a26bd0a2a274e2eb3c47ba1a61 [INFO] running `Command { std: "docker" "start" "-a" "2f38139974317a7020c7615dd8d1843c889e37a26bd0a2a274e2eb3c47ba1a61", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [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: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/tokenizer.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::{Iterator, Peekable}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/tokenizer.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::{Iterator, Peekable}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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: `#[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] warning: 9 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: `#[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] [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] 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 `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] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s [INFO] running `Command { std: "docker" "inspect" "2f38139974317a7020c7615dd8d1843c889e37a26bd0a2a274e2eb3c47ba1a61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f38139974317a7020c7615dd8d1843c889e37a26bd0a2a274e2eb3c47ba1a61", kill_on_drop: false }` [INFO] [stdout] 2f38139974317a7020c7615dd8d1843c889e37a26bd0a2a274e2eb3c47ba1a61