[INFO] fetching crate pest_grammars 2.1.0...
[INFO] checking pest_grammars-2.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate pest_grammars 2.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pest_grammars 2.1.0 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_grammars 2.1.0
[INFO] finished tweaking crates.io crate pest_grammars 2.1.0
[INFO] tweaked toml for crates.io crate pest_grammars 2.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 587aa342e3be6bc978c90cb1f50ae89d13f46662a57e4b74c4de9fb6ff2528b6
[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" "587aa342e3be6bc978c90cb1f50ae89d13f46662a57e4b74c4de9fb6ff2528b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587aa342e3be6bc978c90cb1f50ae89d13f46662a57e4b74c4de9fb6ff2528b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587aa342e3be6bc978c90cb1f50ae89d13f46662a57e4b74c4de9fb6ff2528b6", kill_on_drop: false }`
[INFO] [stdout] 587aa342e3be6bc978c90cb1f50ae89d13f46662a57e4b74c4de9fb6ff2528b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1796e9d17181981a34c0e219fa651efb9b06aae2154d6f6457ee1f6229dab350
[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" "1796e9d17181981a34c0e219fa651efb9b06aae2154d6f6457ee1f6229dab350", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pest_grammars v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/json.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     parses_to! {
[INFO] [stdout] 24 | |         parser: JsonParser,
[INFO] [stdout] 25 | |         input: "null",
[INFO] [stdout] 26 | |         rule: Rule::null,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ]
[INFO] [stdout] 30 | |     };
[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:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     parses_to! {
[INFO] [stdout] 24 | |         parser: JsonParser,
[INFO] [stdout] 25 | |         input: "null",
[INFO] [stdout] 26 | |         rule: Rule::null,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ]
[INFO] [stdout] 30 | |     };
[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:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     parses_to! {
[INFO] [stdout] 36 | |         parser: JsonParser,
[INFO] [stdout] 37 | |         input: "false",
[INFO] [stdout] 38 | |         rule: Rule::bool,
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         ]
[INFO] [stdout] 42 | |     };
[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:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     parses_to! {
[INFO] [stdout] 36 | |         parser: JsonParser,
[INFO] [stdout] 37 | |         input: "false",
[INFO] [stdout] 38 | |         rule: Rule::bool,
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         ]
[INFO] [stdout] 42 | |     };
[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:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     parses_to! {
[INFO] [stdout] 48 | |         parser: JsonParser,
[INFO] [stdout] 49 | |         input: "0",
[INFO] [stdout] 50 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |         ]
[INFO] [stdout] 54 | |     };
[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:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     parses_to! {
[INFO] [stdout] 48 | |         parser: JsonParser,
[INFO] [stdout] 49 | |         input: "0",
[INFO] [stdout] 50 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |         ]
[INFO] [stdout] 54 | |     };
[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:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     parses_to! {
[INFO] [stdout] 60 | |         parser: JsonParser,
[INFO] [stdout] 61 | |         input: "100.001",
[INFO] [stdout] 62 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |         ]
[INFO] [stdout] 66 | |     };
[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:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     parses_to! {
[INFO] [stdout] 60 | |         parser: JsonParser,
[INFO] [stdout] 61 | |         input: "100.001",
[INFO] [stdout] 62 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |         ]
[INFO] [stdout] 66 | |     };
[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:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     parses_to! {
[INFO] [stdout] 72 | |         parser: JsonParser,
[INFO] [stdout] 73 | |         input: "100.001E+100",
[INFO] [stdout] 74 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         ]
[INFO] [stdout] 78 | |     };
[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:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     parses_to! {
[INFO] [stdout] 72 | |         parser: JsonParser,
[INFO] [stdout] 73 | |         input: "100.001E+100",
[INFO] [stdout] 74 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         ]
[INFO] [stdout] 78 | |     };
[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:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     parses_to! {
[INFO] [stdout] 84 | |         parser: JsonParser,
[INFO] [stdout] 85 | |         input: "-0",
[INFO] [stdout] 86 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |         ]
[INFO] [stdout] 90 | |     };
[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:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     parses_to! {
[INFO] [stdout] 84 | |         parser: JsonParser,
[INFO] [stdout] 85 | |         input: "-0",
[INFO] [stdout] 86 | |         rule: Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |         ]
[INFO] [stdout] 90 | |     };
[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:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /     parses_to! {
[INFO] [stdout] 96  | |         parser: JsonParser,
[INFO] [stdout] 97  | |         input: "\"asd\\u0000\\\"\"",
[INFO] [stdout] 98  | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |         ]
[INFO] [stdout] 102 | |     };
[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:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /     parses_to! {
[INFO] [stdout] 96  | |         parser: JsonParser,
[INFO] [stdout] 97  | |         input: "\"asd\\u0000\\\"\"",
[INFO] [stdout] 98  | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |         ]
[INFO] [stdout] 102 | |     };
[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:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | /     parses_to! {
[INFO] [stdout] 108 | |         parser: JsonParser,
[INFO] [stdout] 109 | |         input: "[ ]",
[INFO] [stdout] 110 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         ]
[INFO] [stdout] 114 | |     };
[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:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | /     parses_to! {
[INFO] [stdout] 108 | |         parser: JsonParser,
[INFO] [stdout] 109 | |         input: "[ ]",
[INFO] [stdout] 110 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         ]
[INFO] [stdout] 114 | |     };
[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:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | /     parses_to! {
[INFO] [stdout] 120 | |         parser: JsonParser,
[INFO] [stdout] 121 | |         input: "[0.0e1, false, null, \"a\", [0]]",
[INFO] [stdout] 122 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         ]
[INFO] [stdout] 136 | |     };
[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:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | /     parses_to! {
[INFO] [stdout] 120 | |         parser: JsonParser,
[INFO] [stdout] 121 | |         input: "[0.0e1, false, null, \"a\", [0]]",
[INFO] [stdout] 122 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         ]
[INFO] [stdout] 136 | |     };
[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:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     parses_to! {
[INFO] [stdout] 142 | |         parser: JsonParser,
[INFO] [stdout] 143 | |         input: "{\"a\" : 3, \"b\" : [{}, 3]}",
[INFO] [stdout] 144 | |         rule: Rule::object,
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         ]
[INFO] [stdout] 162 | |     };
[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:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     parses_to! {
[INFO] [stdout] 142 | |         parser: JsonParser,
[INFO] [stdout] 143 | |         input: "{\"a\" : 3, \"b\" : [{}, 3]}",
[INFO] [stdout] 144 | |         rule: Rule::object,
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         ]
[INFO] [stdout] 162 | |     };
[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] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/toml.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     parses_to! {
[INFO] [stdout] 24 | |         parser: TomlParser,
[INFO] [stdout] 25 | |         input: "true",
[INFO] [stdout] 26 | |         rule: Rule::boolean,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ]
[INFO] [stdout] 30 | |     };
[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/toml.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     parses_to! {
[INFO] [stdout] 24 | |         parser: TomlParser,
[INFO] [stdout] 25 | |         input: "true",
[INFO] [stdout] 26 | |         rule: Rule::boolean,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ]
[INFO] [stdout] 30 | |     };
[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/toml.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     parses_to! {
[INFO] [stdout] 36 | |         parser: TomlParser,
[INFO] [stdout] 37 | |         input: "+1_000_0",
[INFO] [stdout] 38 | |         rule: Rule::integer,
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         ]
[INFO] [stdout] 42 | |     };
[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/toml.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     parses_to! {
[INFO] [stdout] 36 | |         parser: TomlParser,
[INFO] [stdout] 37 | |         input: "+1_000_0",
[INFO] [stdout] 38 | |         rule: Rule::integer,
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         ]
[INFO] [stdout] 42 | |     };
[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/toml.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     parses_to! {
[INFO] [stdout] 48 | |         parser: TomlParser,
[INFO] [stdout] 49 | |         input: "+1_0.0_1e+100",
[INFO] [stdout] 50 | |         rule: Rule::float,
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |         ]
[INFO] [stdout] 54 | |     };
[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/toml.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     parses_to! {
[INFO] [stdout] 48 | |         parser: TomlParser,
[INFO] [stdout] 49 | |         input: "+1_0.0_1e+100",
[INFO] [stdout] 50 | |         rule: Rule::float,
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |         ]
[INFO] [stdout] 54 | |     };
[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/toml.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     parses_to! {
[INFO] [stdout] 60 | |         parser: TomlParser,
[INFO] [stdout] 61 | |         input: "12:34:56.000",
[INFO] [stdout] 62 | |         rule: Rule::partial_time,
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |         ]
[INFO] [stdout] 71 | |     };
[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/toml.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     parses_to! {
[INFO] [stdout] 60 | |         parser: TomlParser,
[INFO] [stdout] 61 | |         input: "12:34:56.000",
[INFO] [stdout] 62 | |         rule: Rule::partial_time,
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |         ]
[INFO] [stdout] 71 | |     };
[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/toml.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     parses_to! {
[INFO] [stdout] 77 | |         parser: TomlParser,
[INFO] [stdout] 78 | |         input: "2001-12-13",
[INFO] [stdout] 79 | |         rule: Rule::full_date,
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |         ]
[INFO] [stdout] 87 | |     };
[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/toml.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     parses_to! {
[INFO] [stdout] 77 | |         parser: TomlParser,
[INFO] [stdout] 78 | |         input: "2001-12-13",
[INFO] [stdout] 79 | |         rule: Rule::full_date,
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |         ]
[INFO] [stdout] 87 | |     };
[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/toml.rs:92:5
[INFO] [stdout]     |
[INFO] [stdout] 92  | /     parses_to! {
[INFO] [stdout] 93  | |         parser: TomlParser,
[INFO] [stdout] 94  | |         input: "2001-12-13T12:34:56.000",
[INFO] [stdout] 95  | |         rule: Rule::local_date_time,
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |         ]
[INFO] [stdout] 111 | |     };
[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/toml.rs:92:5
[INFO] [stdout]     |
[INFO] [stdout] 92  | /     parses_to! {
[INFO] [stdout] 93  | |         parser: TomlParser,
[INFO] [stdout] 94  | |         input: "2001-12-13T12:34:56.000",
[INFO] [stdout] 95  | |         rule: Rule::local_date_time,
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |         ]
[INFO] [stdout] 111 | |     };
[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/toml.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     parses_to! {
[INFO] [stdout] 117 | |         parser: TomlParser,
[INFO] [stdout] 118 | |         input: "2001-12-13T12:34:56.000Z",
[INFO] [stdout] 119 | |         rule: Rule::date_time,
[INFO] [stdout] ...   |
[INFO] [stdout] 137 | |         ]
[INFO] [stdout] 138 | |     };
[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/toml.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     parses_to! {
[INFO] [stdout] 117 | |         parser: TomlParser,
[INFO] [stdout] 118 | |         input: "2001-12-13T12:34:56.000Z",
[INFO] [stdout] 119 | |         rule: Rule::date_time,
[INFO] [stdout] ...   |
[INFO] [stdout] 137 | |         ]
[INFO] [stdout] 138 | |     };
[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/toml.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     parses_to! {
[INFO] [stdout] 144 | |         parser: TomlParser,
[INFO] [stdout] 145 | |         input: "'\"'",
[INFO] [stdout] 146 | |         rule: Rule::literal,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |         ]
[INFO] [stdout] 150 | |     };
[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/toml.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     parses_to! {
[INFO] [stdout] 144 | |         parser: TomlParser,
[INFO] [stdout] 145 | |         input: "'\"'",
[INFO] [stdout] 146 | |         rule: Rule::literal,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |         ]
[INFO] [stdout] 150 | |     };
[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/toml.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     parses_to! {
[INFO] [stdout] 156 | |         parser: TomlParser,
[INFO] [stdout] 157 | |         input: "'''\"'''",
[INFO] [stdout] 158 | |         rule: Rule::multi_line_literal,
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         ]
[INFO] [stdout] 162 | |     };
[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/toml.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     parses_to! {
[INFO] [stdout] 156 | |         parser: TomlParser,
[INFO] [stdout] 157 | |         input: "'''\"'''",
[INFO] [stdout] 158 | |         rule: Rule::multi_line_literal,
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         ]
[INFO] [stdout] 162 | |     };
[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/toml.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | /     parses_to! {
[INFO] [stdout] 168 | |         parser: TomlParser,
[INFO] [stdout] 169 | |         input: r#""\n""#,
[INFO] [stdout] 170 | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         ]
[INFO] [stdout] 174 | |     };
[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/toml.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | /     parses_to! {
[INFO] [stdout] 168 | |         parser: TomlParser,
[INFO] [stdout] 169 | |         input: r#""\n""#,
[INFO] [stdout] 170 | |         rule: Rule::string,
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         ]
[INFO] [stdout] 174 | |     };
[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/toml.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | /     parses_to! {
[INFO] [stdout] 180 | |         parser: TomlParser,
[INFO] [stdout] 181 | |         input: r#"""" \n """"#,
[INFO] [stdout] 182 | |         rule: Rule::multi_line_string,
[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/toml.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | /     parses_to! {
[INFO] [stdout] 180 | |         parser: TomlParser,
[INFO] [stdout] 181 | |         input: r#"""" \n """"#,
[INFO] [stdout] 182 | |         rule: Rule::multi_line_string,
[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/toml.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | /     parses_to! {
[INFO] [stdout] 192 | |         parser: TomlParser,
[INFO] [stdout] 193 | |         input: "[ ]",
[INFO] [stdout] 194 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |         ]
[INFO] [stdout] 198 | |     };
[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/toml.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | /     parses_to! {
[INFO] [stdout] 192 | |         parser: TomlParser,
[INFO] [stdout] 193 | |         input: "[ ]",
[INFO] [stdout] 194 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |         ]
[INFO] [stdout] 198 | |     };
[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/toml.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | /     parses_to! {
[INFO] [stdout] 204 | |         parser: TomlParser,
[INFO] [stdout] 205 | |         input: "['', 2017-08-09, 20.0]",
[INFO] [stdout] 206 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 217 | |         ]
[INFO] [stdout] 218 | |     };
[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/toml.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | /     parses_to! {
[INFO] [stdout] 204 | |         parser: TomlParser,
[INFO] [stdout] 205 | |         input: "['', 2017-08-09, 20.0]",
[INFO] [stdout] 206 | |         rule: Rule::array,
[INFO] [stdout] ...   |
[INFO] [stdout] 217 | |         ]
[INFO] [stdout] 218 | |     };
[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/toml.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | /     parses_to! {
[INFO] [stdout] 224 | |         parser: TomlParser,
[INFO] [stdout] 225 | |         input: "{ a = 'b' }",
[INFO] [stdout] 226 | |         rule: Rule::inline_table,
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |         ]
[INFO] [stdout] 235 | |     };
[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/toml.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | /     parses_to! {
[INFO] [stdout] 224 | |         parser: TomlParser,
[INFO] [stdout] 225 | |         input: "{ a = 'b' }",
[INFO] [stdout] 226 | |         rule: Rule::inline_table,
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |         ]
[INFO] [stdout] 235 | |     };
[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/toml.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | /     parses_to! {
[INFO] [stdout] 241 | |         parser: TomlParser,
[INFO] [stdout] 242 | |         input: "[a.b]\nc = 'd'",
[INFO] [stdout] 243 | |         rule: Rule::table,
[INFO] [stdout] ...   |
[INFO] [stdout] 253 | |         ]
[INFO] [stdout] 254 | |     };
[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/toml.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | /     parses_to! {
[INFO] [stdout] 241 | |         parser: TomlParser,
[INFO] [stdout] 242 | |         input: "[a.b]\nc = 'd'",
[INFO] [stdout] 243 | |         rule: Rule::table,
[INFO] [stdout] ...   |
[INFO] [stdout] 253 | |         ]
[INFO] [stdout] 254 | |     };
[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/toml.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | /     parses_to! {
[INFO] [stdout] 260 | |         parser: TomlParser,
[INFO] [stdout] 261 | |         input: "[[a.b]]\nc = 'd'",
[INFO] [stdout] 262 | |         rule: Rule::array_table,
[INFO] [stdout] ...   |
[INFO] [stdout] 272 | |         ]
[INFO] [stdout] 273 | |     };
[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/toml.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | /     parses_to! {
[INFO] [stdout] 260 | |         parser: TomlParser,
[INFO] [stdout] 261 | |         input: "[[a.b]]\nc = 'd'",
[INFO] [stdout] 262 | |         rule: Rule::array_table,
[INFO] [stdout] ...   |
[INFO] [stdout] 272 | |         ]
[INFO] [stdout] 273 | |     };
[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: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "1796e9d17181981a34c0e219fa651efb9b06aae2154d6f6457ee1f6229dab350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1796e9d17181981a34c0e219fa651efb9b06aae2154d6f6457ee1f6229dab350", kill_on_drop: false }`
[INFO] [stdout] 1796e9d17181981a34c0e219fa651efb9b06aae2154d6f6457ee1f6229dab350