[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivy-goes-random%2Fjson_tokenizer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/divy-goes-random/json_tokenizer on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e736c41c6ae0e0a376758ed334041ac7f1aa61c144db272db4195da205fb6d06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e736c41c6ae0e0a376758ed334041ac7f1aa61c144db272db4195da205fb6d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e736c41c6ae0e0a376758ed334041ac7f1aa61c144db272db4195da205fb6d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e736c41c6ae0e0a376758ed334041ac7f1aa61c144db272db4195da205fb6d06", kill_on_drop: false }`
[INFO] [stdout] e736c41c6ae0e0a376758ed334041ac7f1aa61c144db272db4195da205fb6d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f443b586900281efcb79659a40b7823544f766cf96269b67d673b8b90c1b3f60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f443b586900281efcb79659a40b7823544f766cf96269b67d673b8b90c1b3f60", kill_on_drop: false }`
[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]     = 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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tokenize`
[INFO] [stdout]  --> src/error.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   Tokenize(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Parse`
[INFO] [stdout]  --> src/error.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   Parse(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]  --> src/error.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   Other(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/result.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Coma`
[INFO] [stdout]   --> src/tokenizer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Coma,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]   --> src/tokenizer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Colon,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurlyOpen`
[INFO] [stdout]   --> src/tokenizer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CurlyOpen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CurlyClose`
[INFO] [stdout]   --> src/tokenizer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     CurlyClose,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SquareOpen`
[INFO] [stdout]   --> src/tokenizer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     SquareOpen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SquareClose`
[INFO] [stdout]   --> src/tokenizer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SquareClose,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StringValue`
[INFO] [stdout]   --> src/tokenizer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     StringValue(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberValue`
[INFO] [stdout]   --> src/tokenizer.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     NumberValue(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BoolValue`
[INFO] [stdout]   --> src/tokenizer.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     BoolValue(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullValue`
[INFO] [stdout]   --> src/tokenizer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     NullValue,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `char_stream`
[INFO] [stdout]   --> src/tokenizer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     char_stream: PeekableIter<char>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_until`
[INFO] [stdout]   --> src/tokenizer.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn take_until(&mut self, predicate: fn(char) -> bool) -> Result<Vec<char>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_while`
[INFO] [stdout]   --> src/tokenizer.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn take_while(&mut self, predicate: fn(char) -> bool) -> Result<Vec<char>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip`
[INFO] [stdout]   --> src/tokenizer.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn skip(&mut self, ch: char) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `string_token`
[INFO] [stdout]   --> src/tokenizer.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn string_token(&mut self) -> Result<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_token`
[INFO] [stdout]   --> src/tokenizer.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn number_token(&mut self) -> Result<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keyword_token`
[INFO] [stdout]   --> src/tokenizer.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn keyword_token(&mut self) -> Result<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn tokenize(&mut self) -> Result<Vec<Token>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Parse`
[INFO] [stdout]  --> src/error.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   Parse(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]  --> src/error.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   Other(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f443b586900281efcb79659a40b7823544f766cf96269b67d673b8b90c1b3f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f443b586900281efcb79659a40b7823544f766cf96269b67d673b8b90c1b3f60", kill_on_drop: false }`
[INFO] [stdout] f443b586900281efcb79659a40b7823544f766cf96269b67d673b8b90c1b3f60