[INFO] fetching crate constexpr-macros 0.0.1-alpha1...
[INFO] testing constexpr-macros-0.0.1-alpha1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate constexpr-macros 0.0.1-alpha1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate constexpr-macros 0.0.1-alpha1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate constexpr-macros 0.0.1-alpha1
[INFO] finished tweaking crates.io crate constexpr-macros 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate constexpr-macros 0.0.1-alpha1 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a09b308cb7e50b3e172a726fa31c6b6ecfb0b287001a2b0bcc542d2cc9ed5ed
[INFO] running `Command { std: "docker" "start" "-a" "8a09b308cb7e50b3e172a726fa31c6b6ecfb0b287001a2b0bcc542d2cc9ed5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a09b308cb7e50b3e172a726fa31c6b6ecfb0b287001a2b0bcc542d2cc9ed5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a09b308cb7e50b3e172a726fa31c6b6ecfb0b287001a2b0bcc542d2cc9ed5ed", kill_on_drop: false }`
[INFO] [stdout] 8a09b308cb7e50b3e172a726fa31c6b6ecfb0b287001a2b0bcc542d2cc9ed5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdc81f3f2fddfd2174f1849e6e4f5757625db72c370864cdab792082b89cd09
[INFO] running `Command { std: "docker" "start" "-a" "bbdc81f3f2fddfd2174f1849e6e4f5757625db72c370864cdab792082b89cd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling constexpr-macros v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "bbdc81f3f2fddfd2174f1849e6e4f5757625db72c370864cdab792082b89cd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdc81f3f2fddfd2174f1849e6e4f5757625db72c370864cdab792082b89cd09", kill_on_drop: false }`
[INFO] [stdout] bbdc81f3f2fddfd2174f1849e6e4f5757625db72c370864cdab792082b89cd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7c9621508081ca99644f08211e7927e327c0c427ef8911758f99cff1b3a731
[INFO] running `Command { std: "docker" "start" "-a" "be7c9621508081ca99644f08211e7927e327c0c427ef8911758f99cff1b3a731", kill_on_drop: false }`
[INFO] [stderr]    Compiling constexpr-macros v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/grammar.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | /         parses_to! {
[INFO] [stdout] 125 | |             parser: TemplateFn,
[INFO] [stdout] 126 | |             input: "name",
[INFO] [stdout] 127 | |             rule: Rule::identifier,
[INFO] [stdout] ...   |
[INFO] [stdout] 130 | |             ]
[INFO] [stdout] 131 | |         };
[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 assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         parses_to! {
[INFO] [stdout] 137 | |             parser: TemplateFn,
[INFO] [stdout] 138 | |             input: "other_name",
[INFO] [stdout] 139 | |             rule: Rule::identifier,
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |             ]
[INFO] [stdout] 143 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | /         parses_to! {
[INFO] [stdout] 150 | |             parser: TemplateFn,
[INFO] [stdout] 151 | |             input: "u32",
[INFO] [stdout] 152 | |             rule: Rule::type_def,
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |             ]
[INFO] [stdout] 156 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 | /         parses_to! {
[INFO] [stdout] 163 | |             parser: TemplateFn,
[INFO] [stdout] 164 | |             input: "Map<T, X>",
[INFO] [stdout] 165 | |             rule: Rule::type_def,
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |             ]
[INFO] [stdout] 169 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         parses_to! {
[INFO] [stdout] 175 | |             parser: TemplateFn,
[INFO] [stdout] 176 | |             input: "var_name",
[INFO] [stdout] 177 | |             rule: Rule::pat,
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |             ]
[INFO] [stdout] 183 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | /         parses_to! {
[INFO] [stdout] 189 | |             parser: TemplateFn,
[INFO] [stdout] 190 | |             input: "(tuple, other)",
[INFO] [stdout] 191 | |             rule: Rule::pat,
[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 assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 | /         parses_to! {
[INFO] [stdout] 204 | |             parser: TemplateFn,
[INFO] [stdout] 205 | |             input: "ident: Type",
[INFO] [stdout] 206 | |             rule: Rule::argument,
[INFO] [stdout] ...   |
[INFO] [stdout] 212 | |             ]
[INFO] [stdout] 213 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 | /         parses_to! {
[INFO] [stdout] 219 | |             parser: TemplateFn,
[INFO] [stdout] 220 | |             input: "fn my_generic<T>(tuple: T)",
[INFO] [stdout] 221 | |             rule: Rule::signature,
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |             ]
[INFO] [stdout] 233 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (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]    --> src/grammar.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 | /         parses_to! {
[INFO] [stdout] 239 | |             parser: TemplateFn,
[INFO] [stdout] 240 | |             input: "fn my_generic<T, X>(tuple: T, other:Y)",
[INFO] [stdout] 241 | |             rule: Rule::signature,
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             ]
[INFO] [stdout] 255 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "be7c9621508081ca99644f08211e7927e327c0c427ef8911758f99cff1b3a731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7c9621508081ca99644f08211e7927e327c0c427ef8911758f99cff1b3a731", kill_on_drop: false }`
[INFO] [stdout] be7c9621508081ca99644f08211e7927e327c0c427ef8911758f99cff1b3a731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd28c97535e14d85a54dda97398002b606c9ad0ef5676015b2fb4c358ca0d7ee
[INFO] running `Command { std: "docker" "start" "-a" "bd28c97535e14d85a54dda97398002b606c9ad0ef5676015b2fb4c358ca0d7ee", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         parses_to! {
[INFO] [stderr] 125 | |             parser: TemplateFn,
[INFO] [stderr] 126 | |             input: "name",
[INFO] [stderr] 127 | |             rule: Rule::identifier,
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |             ]
[INFO] [stderr] 131 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         parses_to! {
[INFO] [stderr] 137 | |             parser: TemplateFn,
[INFO] [stderr] 138 | |             input: "other_name",
[INFO] [stderr] 139 | |             rule: Rule::identifier,
[INFO] [stderr] ...   |
[INFO] [stderr] 142 | |             ]
[INFO] [stderr] 143 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | /         parses_to! {
[INFO] [stderr] 150 | |             parser: TemplateFn,
[INFO] [stderr] 151 | |             input: "u32",
[INFO] [stderr] 152 | |             rule: Rule::type_def,
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |             ]
[INFO] [stderr] 156 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 | /         parses_to! {
[INFO] [stderr] 163 | |             parser: TemplateFn,
[INFO] [stderr] 164 | |             input: "Map<T, X>",
[INFO] [stderr] 165 | |             rule: Rule::type_def,
[INFO] [stderr] ...   |
[INFO] [stderr] 168 | |             ]
[INFO] [stderr] 169 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 | /         parses_to! {
[INFO] [stderr] 175 | |             parser: TemplateFn,
[INFO] [stderr] 176 | |             input: "var_name",
[INFO] [stderr] 177 | |             rule: Rule::pat,
[INFO] [stderr] ...   |
[INFO] [stderr] 182 | |             ]
[INFO] [stderr] 183 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | /         parses_to! {
[INFO] [stderr] 189 | |             parser: TemplateFn,
[INFO] [stderr] 190 | |             input: "(tuple, other)",
[INFO] [stderr] 191 | |             rule: Rule::pat,
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |             ]
[INFO] [stderr] 198 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 | /         parses_to! {
[INFO] [stderr] 204 | |             parser: TemplateFn,
[INFO] [stderr] 205 | |             input: "ident: Type",
[INFO] [stderr] 206 | |             rule: Rule::argument,
[INFO] [stderr] ...   |
[INFO] [stderr] 212 | |             ]
[INFO] [stderr] 213 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 | /         parses_to! {
[INFO] [stderr] 219 | |             parser: TemplateFn,
[INFO] [stderr] 220 | |             input: "fn my_generic<T>(tuple: T)",
[INFO] [stderr] 221 | |             rule: Rule::signature,
[INFO] [stderr] ...   |
[INFO] [stderr] 232 | |             ]
[INFO] [stderr] 233 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/grammar.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 | /         parses_to! {
[INFO] [stderr] 239 | |             parser: TemplateFn,
[INFO] [stderr] 240 | |             input: "fn my_generic<T, X>(tuple: T, other:Y)",
[INFO] [stderr] 241 | |             rule: Rule::signature,
[INFO] [stderr] ...   |
[INFO] [stderr] 254 | |             ]
[INFO] [stderr] 255 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `parses_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/constexpr_macros-fa4bce6d969109d4)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test grammar::test::identifier_simple ... ok
[INFO] [stdout] test grammar::test::identifier_with_seperator ... ok
[INFO] [stdout] test grammar::test::type_def_generic ... ignored
[INFO] [stdout] test grammar::test::test_generate_binding ... ok
[INFO] [stdout] test grammar::test::pat_simple ... ok
[INFO] [stdout] test grammar::test::argument ... ok
[INFO] [stdout] test grammar::test::test_generate_macro ... ok
[INFO] [stdout] test grammar::test::pat_tuple ... ok
[INFO] [stdout] test grammar::test::test_parse_full_signature ... ok
[INFO] [stdout] test grammar::test::signature_simple ... ok
[INFO] [stdout] test grammar::test::signature_multiple ... ok
[INFO] [stdout] test grammar::test::type_def_simple ... ok
[INFO] [stdout] test grammar::test::test_generate_closure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests constexpr-macros
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd28c97535e14d85a54dda97398002b606c9ad0ef5676015b2fb4c358ca0d7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd28c97535e14d85a54dda97398002b606c9ad0ef5676015b2fb4c358ca0d7ee", kill_on_drop: false }`
[INFO] [stdout] bd28c97535e14d85a54dda97398002b606c9ad0ef5676015b2fb4c358ca0d7ee
