[INFO] fetching crate pest 2.1.3...
[INFO] checking pest-2.1.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate pest 2.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pest 2.1.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pest 2.1.3
[INFO] finished tweaking crates.io crate pest 2.1.3
[INFO] tweaked toml for crates.io crate pest 2.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pest 2.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11fb57216a80499f16082d928b0a4c2460eaa86824a6d4c43abb5ee4b41d87e4
[INFO] running `Command { std: "docker" "start" "-a" "11fb57216a80499f16082d928b0a4c2460eaa86824a6d4c43abb5ee4b41d87e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fb57216a80499f16082d928b0a4c2460eaa86824a6d4c43abb5ee4b41d87e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fb57216a80499f16082d928b0a4c2460eaa86824a6d4c43abb5ee4b41d87e4", kill_on_drop: false }`
[INFO] [stdout] 11fb57216a80499f16082d928b0a4c2460eaa86824a6d4c43abb5ee4b41d87e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca43edbf428a9dc6ecec2eb6a86adf2b09429c2e2d90cbc679d67784d4142c18
[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" "ca43edbf428a9dc6ecec2eb6a86adf2b09429c2e2d90cbc679d67784d4142c18", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking pest v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:232:33
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 366 | /         parses_to! {
[INFO] [stdout] 367 | |             parser: AbcParser,
[INFO] [stdout] 368 | |             input: "abcde",
[INFO] [stdout] 369 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             ]
[INFO] [stdout] 376 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:236:33
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 366 | /         parses_to! {
[INFO] [stdout] 367 | |             parser: AbcParser,
[INFO] [stdout] 368 | |             input: "abcde",
[INFO] [stdout] 369 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             ]
[INFO] [stdout] 376 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:232:33
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 | /         parses_to! {
[INFO] [stdout] 383 | |             parser: AbcParser,
[INFO] [stdout] 384 | |             input: "abcde",
[INFO] [stdout] 385 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 390 | |             ]
[INFO] [stdout] 391 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:236:33
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 | /         parses_to! {
[INFO] [stdout] 383 | |             parser: AbcParser,
[INFO] [stdout] 384 | |             input: "abcde",
[INFO] [stdout] 385 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 390 | |             ]
[INFO] [stdout] 391 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:232:33
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | /         parses_to! {
[INFO] [stdout] 398 | |             parser: AbcParser,
[INFO] [stdout] 399 | |             input: "abcde",
[INFO] [stdout] 400 | |             rule: Rule::a,
[INFO] [stdout] 401 | |             tokens: []
[INFO] [stdout] 402 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 232 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:236:33
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                   format!("expected end of input, but found {:?}", rest)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | /         parses_to! {
[INFO] [stdout] 398 | |             parser: AbcParser,
[INFO] [stdout] 399 | |             input: "abcde",
[INFO] [stdout] 400 | |             rule: Rule::a,
[INFO] [stdout] 401 | |             tokens: []
[INFO] [stdout] 402 | |         };
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 236 |                                 "expected end of input, but found {:?}", rest
[INFO] [stdout]     |                                --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::cmp::Ord::cmp` that must be used
[INFO] [stdout]    --> src/position.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         pos1.cmp(&pos2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     parses_to! {
[INFO] [stdout] 134 | |         parser: CalculatorParser,
[INFO] [stdout] 135 | |         input: "-12",
[INFO] [stdout] 136 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         ]
[INFO] [stdout] 142 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     parses_to! {
[INFO] [stdout] 134 | |         parser: CalculatorParser,
[INFO] [stdout] 135 | |         input: "-12",
[INFO] [stdout] 136 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         ]
[INFO] [stdout] 142 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     parses_to! {
[INFO] [stdout] 148 | |         parser: CalculatorParser,
[INFO] [stdout] 149 | |         input: "((-12))",
[INFO] [stdout] 150 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |         ]
[INFO] [stdout] 160 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     parses_to! {
[INFO] [stdout] 148 | |         parser: CalculatorParser,
[INFO] [stdout] 149 | |         input: "((-12))",
[INFO] [stdout] 150 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |         ]
[INFO] [stdout] 160 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     parses_to! {
[INFO] [stdout] 166 | |         parser: CalculatorParser,
[INFO] [stdout] 167 | |         input: "-12+3*(4-9)^7^2",
[INFO] [stdout] 168 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |         ]
[INFO] [stdout] 186 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/calculator.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     parses_to! {
[INFO] [stdout] 166 | |         parser: CalculatorParser,
[INFO] [stdout] 167 | |         input: "-12+3*(4-9)^7^2",
[INFO] [stdout] 168 | |         rule: Rule::expression,
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |         ]
[INFO] [stdout] 186 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:301:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | /     parses_to! {
[INFO] [stdout] 302 | |         parser: JsonParser,
[INFO] [stdout] 303 | |         input: "null",
[INFO] [stdout] 304 | |         rule: Rule::null,
[INFO] [stdout] ...   |
[INFO] [stdout] 307 | |         ]
[INFO] [stdout] 308 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:301:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | /     parses_to! {
[INFO] [stdout] 302 | |         parser: JsonParser,
[INFO] [stdout] 303 | |         input: "null",
[INFO] [stdout] 304 | |         rule: Rule::null,
[INFO] [stdout] ...   |
[INFO] [stdout] 307 | |         ]
[INFO] [stdout] 308 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:313:5
[INFO] [stdout]     |
[INFO] [stdout] 313 | /     parses_to! {
[INFO] [stdout] 314 | |         parser: JsonParser,
[INFO] [stdout] 315 | |         input: "false",
[INFO] [stdout] 316 | |         rule: Rule::bool,
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |         ]
[INFO] [stdout] 320 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:313:5
[INFO] [stdout]     |
[INFO] [stdout] 313 | /     parses_to! {
[INFO] [stdout] 314 | |         parser: JsonParser,
[INFO] [stdout] 315 | |         input: "false",
[INFO] [stdout] 316 | |         rule: Rule::bool,
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |         ]
[INFO] [stdout] 320 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | /     parses_to! {
[INFO] [stdout] 326 | |         parser: JsonParser,
[INFO] [stdout] 327 | |         input: "0",
[INFO] [stdout] 328 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 331 | |         ]
[INFO] [stdout] 332 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | /     parses_to! {
[INFO] [stdout] 326 | |         parser: JsonParser,
[INFO] [stdout] 327 | |         input: "0",
[INFO] [stdout] 328 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 331 | |         ]
[INFO] [stdout] 332 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | /     parses_to! {
[INFO] [stdout] 338 | |         parser: JsonParser,
[INFO] [stdout] 339 | |         input: "100.001",
[INFO] [stdout] 340 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |         ]
[INFO] [stdout] 344 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | /     parses_to! {
[INFO] [stdout] 338 | |         parser: JsonParser,
[INFO] [stdout] 339 | |         input: "100.001",
[INFO] [stdout] 340 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |         ]
[INFO] [stdout] 344 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 | /     parses_to! {
[INFO] [stdout] 350 | |         parser: JsonParser,
[INFO] [stdout] 351 | |         input: "100.001E+100",
[INFO] [stdout] 352 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 355 | |         ]
[INFO] [stdout] 356 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 | /     parses_to! {
[INFO] [stdout] 350 | |         parser: JsonParser,
[INFO] [stdout] 351 | |         input: "100.001E+100",
[INFO] [stdout] 352 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 355 | |         ]
[INFO] [stdout] 356 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 | /     parses_to! {
[INFO] [stdout] 362 | |         parser: JsonParser,
[INFO] [stdout] 363 | |         input: "-0",
[INFO] [stdout] 364 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |         ]
[INFO] [stdout] 368 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 | /     parses_to! {
[INFO] [stdout] 362 | |         parser: JsonParser,
[INFO] [stdout] 363 | |         input: "-0",
[INFO] [stdout] 364 | |         rule: Rule::number,
[INFO] [stdout] ...   |
[INFO] [stdout] 367 | |         ]
[INFO] [stdout] 368 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:373:5
[INFO] [stdout]     |
[INFO] [stdout] 373 | /     parses_to! {
[INFO] [stdout] 374 | |         parser: JsonParser,
[INFO] [stdout] 375 | |         input: "\"asd\\u0000\\\"\"",
[INFO] [stdout] 376 | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 379 | |         ]
[INFO] [stdout] 380 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:373:5
[INFO] [stdout]     |
[INFO] [stdout] 373 | /     parses_to! {
[INFO] [stdout] 374 | |         parser: JsonParser,
[INFO] [stdout] 375 | |         input: "\"asd\\u0000\\\"\"",
[INFO] [stdout] 376 | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 379 | |         ]
[INFO] [stdout] 380 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 | /     parses_to! {
[INFO] [stdout] 386 | |         parser: JsonParser,
[INFO] [stdout] 387 | |         input: "[ ]",
[INFO] [stdout] 388 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | |         ]
[INFO] [stdout] 392 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 | /     parses_to! {
[INFO] [stdout] 386 | |         parser: JsonParser,
[INFO] [stdout] 387 | |         input: "[ ]",
[INFO] [stdout] 388 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | |         ]
[INFO] [stdout] 392 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:397:5
[INFO] [stdout]     |
[INFO] [stdout] 397 | /     parses_to! {
[INFO] [stdout] 398 | |         parser: JsonParser,
[INFO] [stdout] 399 | |         input: "[0.0e1, false, null, \"a\", [0]]",
[INFO] [stdout] 400 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | |         ]
[INFO] [stdout] 414 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:397:5
[INFO] [stdout]     |
[INFO] [stdout] 397 | /     parses_to! {
[INFO] [stdout] 398 | |         parser: JsonParser,
[INFO] [stdout] 399 | |         input: "[0.0e1, false, null, \"a\", [0]]",
[INFO] [stdout] 400 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | |         ]
[INFO] [stdout] 414 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:419:5
[INFO] [stdout]     |
[INFO] [stdout] 419 | /     parses_to! {
[INFO] [stdout] 420 | |         parser: JsonParser,
[INFO] [stdout] 421 | |         input: "{\"a\" : 3, \"b\" : [{}, 3]}",
[INFO] [stdout] 422 | |         rule: Rule::object,
[INFO] [stdout] ...   |
[INFO] [stdout] 439 | |         ]
[INFO] [stdout] 440 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/json.rs:419:5
[INFO] [stdout]     |
[INFO] [stdout] 419 | /     parses_to! {
[INFO] [stdout] 420 | |         parser: JsonParser,
[INFO] [stdout] 421 | |         input: "{\"a\" : 3, \"b\" : [{}, 3]}",
[INFO] [stdout] 422 | |         rule: Rule::object,
[INFO] [stdout] ...   |
[INFO] [stdout] 439 | |         ]
[INFO] [stdout] 440 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "ca43edbf428a9dc6ecec2eb6a86adf2b09429c2e2d90cbc679d67784d4142c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca43edbf428a9dc6ecec2eb6a86adf2b09429c2e2d90cbc679d67784d4142c18", kill_on_drop: false }`
[INFO] [stdout] ca43edbf428a9dc6ecec2eb6a86adf2b09429c2e2d90cbc679d67784d4142c18