[INFO] fetching crate constexpr-macros 0.0.1-alpha1...
[INFO] checking constexpr-macros-0.0.1-alpha1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate constexpr-macros 0.0.1-alpha1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate constexpr-macros 0.0.1-alpha1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c3d283c172f466950a8fcdcc9a5afb092511e9ea7ea437b1864ff18ebe9902
[INFO] running `Command { std: "docker" "start" "-a" "98c3d283c172f466950a8fcdcc9a5afb092511e9ea7ea437b1864ff18ebe9902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c3d283c172f466950a8fcdcc9a5afb092511e9ea7ea437b1864ff18ebe9902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c3d283c172f466950a8fcdcc9a5afb092511e9ea7ea437b1864ff18ebe9902", kill_on_drop: false }`
[INFO] [stdout] 98c3d283c172f466950a8fcdcc9a5afb092511e9ea7ea437b1864ff18ebe9902
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 400c10a9a4d652d871922360a93f4ef9e4d1d5e1901f2028dfa73b4ec7ef9136
[INFO] running `Command { std: "docker" "start" "-a" "400c10a9a4d652d871922360a93f4ef9e4d1d5e1901f2028dfa73b4ec7ef9136", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking 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_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 dev [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "400c10a9a4d652d871922360a93f4ef9e4d1d5e1901f2028dfa73b4ec7ef9136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400c10a9a4d652d871922360a93f4ef9e4d1d5e1901f2028dfa73b4ec7ef9136", kill_on_drop: false }`
[INFO] [stdout] 400c10a9a4d652d871922360a93f4ef9e4d1d5e1901f2028dfa73b4ec7ef9136