[INFO] fetching crate garando_syntax2 0.1.0...
[INFO] building garando_syntax2-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate garando_syntax2 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate garando_syntax2 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate garando_syntax2 0.1.0
[INFO] finished tweaking crates.io crate garando_syntax2 0.1.0
[INFO] tweaked toml for crates.io crate garando_syntax2 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded garando_pos v0.1.0
[INFO] [stderr]   Downloaded garando_errors v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa6a05cb7fe37dd28646863a0642b5de75860c4b44925bf161ab3f7412ecd72b
[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" "fa6a05cb7fe37dd28646863a0642b5de75860c4b44925bf161ab3f7412ecd72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa6a05cb7fe37dd28646863a0642b5de75860c4b44925bf161ab3f7412ecd72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6a05cb7fe37dd28646863a0642b5de75860c4b44925bf161ab3f7412ecd72b", kill_on_drop: false }`
[INFO] [stdout] fa6a05cb7fe37dd28646863a0642b5de75860c4b44925bf161ab3f7412ecd72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86cb81253522e9fd9bfb2c20f5e988e6032dee0e878fa5f14107d243dcbef454
[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" "86cb81253522e9fd9bfb2c20f5e988e6032dee0e878fa5f14107d243dcbef454", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling garando_pos v0.1.0
[INFO] [stderr]    Compiling garando_errors v0.1.0
[INFO] [stderr]    Compiling garando_syntax2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!(err)
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!("{}", err)
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     std::panic::panic_any(err)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!(err),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!("{}", err),
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => std::panic::panic_any(err),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:25:24
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!(FatalError);
[INFO] [stdout]      |                        ^^^^^^^^^^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/feature_gate.rs:1374:20
[INFO] [stdout]      |
[INFO] [stdout] 1374 |         let meta = panictry!(attr.parse_meta(self.context.parse_sess));
[INFO] [stdout]      |                    --------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!("{}", FatalError);
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 std::panic::panic_any(FatalError);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/feature_gate.rs:1882:20
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!(FatalError);
[INFO] [stdout]      |                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!("{}", FatalError);
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             std::panic::panic_any(FatalError);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/comments.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!("{}", rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 std::panic::panic_any(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse/lexer/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 186 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 211 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:642:24
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!("{}", self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:804:24
[INFO] [stdout]     |
[INFO] [stdout] 804 |                   panic!(self.fatal_span_(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 805 | |                     start_bpos,
[INFO] [stdout] 806 | |                     last_bpos,
[INFO] [stdout] 807 | |                     "unterminated numeric character escape"
[INFO] [stdout] 808 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 panic!("{}", self.fatal_span_(
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1007:28
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1008 | |                         start_bpos,
[INFO] [stdout] 1009 | |                         self.pos,
[INFO] [stdout] 1010 | |                         "unterminated unicode escape (found EOF)"
[INFO] [stdout] 1011 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1017:28
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1018 | |                         self.pos,
[INFO] [stdout] 1019 | |                         self.next_pos,
[INFO] [stdout] 1020 | |                         "unterminated unicode escape (needed a `}`)"
[INFO] [stdout] 1021 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1293:32
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                           panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1294 | |                             start_with_quote,
[INFO] [stdout] 1295 | |                             self.next_pos,
[INFO] [stdout] 1296 | |                             String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1297 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1328:28
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                       panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1329 | |                         start_with_quote,
[INFO] [stdout] 1330 | |                         self.pos,
[INFO] [stdout] 1331 | |                         String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1332 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1362:32
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                           panic!(self.fatal_span_(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1363 | |                             start_bpos,
[INFO] [stdout] 1364 | |                             last_bpos,
[INFO] [stdout] 1365 | |                             "unterminated double quote string"
[INFO] [stdout] 1366 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1398:28
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1402:28
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                       panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1403 | |                         start_bpos,
[INFO] [stdout] 1404 | |                         last_bpos,
[INFO] [stdout] 1405 | |                         "found invalid character; only `#` is allowed \
[INFO] [stdout] 1406 | |                                                  in raw string delimitation",
[INFO] [stdout] 1407 | |                         curr_char
[INFO] [stdout] 1408 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1417:32
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1561:20
[INFO] [stdout]      |
[INFO] [stdout] 1561 |               panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1562 | |                 start - BytePos(2),
[INFO] [stdout] 1563 | |                 pos,
[INFO] [stdout] 1564 | |                 "unterminated byte constant".to_string()
[INFO] [stdout] 1565 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1589:24
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!("{}", self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 std::panic::panic_any(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1620:20
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1624:20
[INFO] [stdout]      |
[INFO] [stdout] 1624 |               panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1625 | |                 start_bpos,
[INFO] [stdout] 1626 | |                 pos,
[INFO] [stdout] 1627 | |                 "found invalid character; only `#` is allowed in raw \
[INFO] [stdout] 1628 | |                                          string delimitation",
[INFO] [stdout] 1629 | |                 ch
[INFO] [stdout] 1630 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1639:28
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:218:36
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!("{}", sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => std::panic::panic_any(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:219:32
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!("{}", sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => std::panic::panic_any(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     panictry!(srdr.parse_all_token_trees())
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:486:32
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!(err(2))
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!("{}", err(2))
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         std::panic::panic_any(err(2))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:491:32
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!(err(3)),
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!("{}", err(3)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => std::panic::panic_any(err(3)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/base.rs:825:16
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!("{}", self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 825 |         std::panic::panic_any(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:944:15
[INFO] [stdout]     |
[INFO] [stdout] 944 |     let ret = panictry!(p.parse_expr());
[INFO] [stdout]     |               ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:961:41
[INFO] [stdout]     |
[INFO] [stdout] 961 |         es.push(cx.expander().fold_expr(panictry!(p.parse_expr())));
[INFO] [stdout]     |                                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/expand.rs:424:20
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 424 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:452:28
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:458:28
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 | /             panictry!(parse::parse_item_from_source_str(
[INFO] [stdout] 373 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 374 | |                 s,
[INFO] [stdout] 375 | |                 self.parse_sess()
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 | /             panictry!(parse::parse_stmt_from_source_str(
[INFO] [stdout] 382 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 383 | |                 s,
[INFO] [stdout] 384 | |                 self.parse_sess()
[INFO] [stdout] 385 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 | /             panictry!(parse::parse_expr_from_source_str(
[INFO] [stdout] 391 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 392 | |                 s,
[INFO] [stdout] 393 | |                 self.parse_sess()
[INFO] [stdout] 394 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     panictry!(parser.parse_expr())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     panictry!(parser.parse_item())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:449:5
[INFO] [stdout]     |
[INFO] [stdout] 449 |     panictry!(parser.parse_pat())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 453 |     panictry!(parser.parse_arm())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     panictry!(parser.parse_ty())
[INFO] [stdout]     |     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 |     panictry!(parser.parse_stmt())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     panictry!(parser.parse_attribute(permit_inner))
[INFO] [stdout]     |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:469:5
[INFO] [stdout]     |
[INFO] [stdout] 469 |     panictry!(parser.parse_arg())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:473:5
[INFO] [stdout]     |
[INFO] [stdout] 473 |     panictry!(parser.parse_block())
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:477:5
[INFO] [stdout]     |
[INFO] [stdout] 477 |     panictry!(parser.parse_meta_item())
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     panictry!(parser.parse_path(mode))
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:849:19
[INFO] [stdout]     |
[INFO] [stdout] 849 |     let cx_expr = panictry!(p.parse_expr());
[INFO] [stdout]     |                   ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:854:15
[INFO] [stdout]     |
[INFO] [stdout] 854 |     let tts = panictry!(p.parse_all_token_trees());
[INFO] [stdout]     |               ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Some(panictry!(self.p.parse_expr()))
[INFO] [stdout]     |                  ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 match panictry!(self.p.parse_item()) {
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/source_util.rs:120:36
[INFO] [stdout]     |
[INFO] [stdout] 120 |                       None => panic!(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 121 | |                         self.p.span,
[INFO] [stdout] 122 | |                         &format!("expected item, found `{}`", self.p.this_token_to_string())
[INFO] [stdout] 123 | |                     )),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => panic!("{}", self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => std::panic::panic_any(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:526:25
[INFO] [stdout]     |
[INFO] [stdout] 526 |         "item" => match panictry!(p.parse_item()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:530:24
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 |         "block" => token::NtBlock(panictry!(p.parse_block())),
[INFO] [stdout]     |                                   -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:534:25
[INFO] [stdout]     |
[INFO] [stdout] 534 |         "stmt" => match panictry!(p.parse_stmt()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:538:24
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:541:31
[INFO] [stdout]     |
[INFO] [stdout] 541 |         "pat" => token::NtPat(panictry!(p.parse_pat())),
[INFO] [stdout]     |                               ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:542:33
[INFO] [stdout]     |
[INFO] [stdout] 542 |         "expr" => token::NtExpr(panictry!(p.parse_expr())),
[INFO] [stdout]     |                                 ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:543:29
[INFO] [stdout]     |
[INFO] [stdout] 543 |         "ty" => token::NtTy(panictry!(p.parse_ty())),
[INFO] [stdout]     |                             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:557:24
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!(FatalError)
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!("{}", FatalError)
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 std::panic::panic_any(FatalError)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:560:33
[INFO] [stdout]     |
[INFO] [stdout] 560 |         "path" => token::NtPath(panictry!(p.parse_path(PathStyle::Type))),
[INFO] [stdout]     |                                 ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:561:33
[INFO] [stdout]     |
[INFO] [stdout] 561 |         "meta" => token::NtMeta(panictry!(p.parse_meta_item())),
[INFO] [stdout]     |                                 ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:562:31
[INFO] [stdout]     |
[INFO] [stdout] 562 |         "vis" => token::NtVis(panictry!(p.parse_visibility(true))),
[INFO] [stdout]     |                               ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ext/tt/macro_rules.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let expansion = panictry!(parser.parse_expansion(kind, true));
[INFO] [stdout]    |                         --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 222 | |                 .span_diagnostic
[INFO] [stdout] 223 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 221 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 221 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:226:20
[INFO] [stdout]     |
[INFO] [stdout] 226 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 227 | |                 .span_diagnostic
[INFO] [stdout] 228 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 226 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 226 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |                                            ^^                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "{}", "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |                           panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 140 | |                             sp, /* blame macro writer */
[INFO] [stdout] 141 | |                             "attempted to repeat an expression \
[INFO] [stdout] 142 | |                              containing no syntax \
[INFO] [stdout] 143 | |                              variables matched as repeating at this depth"
[INFO] [stdout] 144 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!("{}", sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         std::panic::panic_any(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:154:40
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   panic!(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 panic!("{}", sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 std::panic::panic_any(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |   ...                   panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 183 | | ...                       sp, /* blame the macro writer */
[INFO] [stdout] 184 | | ...                       &format!("variable '{}' is still repeating at this depth", ident)
[INFO] [stdout] 185 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 74 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.67s
[INFO] running `Command { std: "docker" "inspect" "86cb81253522e9fd9bfb2c20f5e988e6032dee0e878fa5f14107d243dcbef454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cb81253522e9fd9bfb2c20f5e988e6032dee0e878fa5f14107d243dcbef454", kill_on_drop: false }`
[INFO] [stdout] 86cb81253522e9fd9bfb2c20f5e988e6032dee0e878fa5f14107d243dcbef454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b23186851cd4de9cc7c5b638d717544df9faa3c15cffc8882686e422beab485
[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" "1b23186851cd4de9cc7c5b638d717544df9faa3c15cffc8882686e422beab485", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!(err)
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!("{}", err)
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     std::panic::panic_any(err)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!(err),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!("{}", err),
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => std::panic::panic_any(err),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:25:24
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!(FatalError);
[INFO] [stdout]      |                        ^^^^^^^^^^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/feature_gate.rs:1374:20
[INFO] [stdout]      |
[INFO] [stdout] 1374 |         let meta = panictry!(attr.parse_meta(self.context.parse_sess));
[INFO] [stdout]      |                    --------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!("{}", FatalError);
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 std::panic::panic_any(FatalError);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/feature_gate.rs:1882:20
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!(FatalError);
[INFO] [stdout]      |                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!("{}", FatalError);
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             std::panic::panic_any(FatalError);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/comments.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!("{}", rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 std::panic::panic_any(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse/lexer/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 186 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 211 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:642:24
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!("{}", self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:804:24
[INFO] [stdout]     |
[INFO] [stdout] 804 |                   panic!(self.fatal_span_(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 805 | |                     start_bpos,
[INFO] [stdout] 806 | |                     last_bpos,
[INFO] [stdout] 807 | |                     "unterminated numeric character escape"
[INFO] [stdout] 808 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 panic!("{}", self.fatal_span_(
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1007:28
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1008 | |                         start_bpos,
[INFO] [stdout] 1009 | |                         self.pos,
[INFO] [stdout] 1010 | |                         "unterminated unicode escape (found EOF)"
[INFO] [stdout] 1011 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1017:28
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1018 | |                         self.pos,
[INFO] [stdout] 1019 | |                         self.next_pos,
[INFO] [stdout] 1020 | |                         "unterminated unicode escape (needed a `}`)"
[INFO] [stdout] 1021 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1293:32
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                           panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1294 | |                             start_with_quote,
[INFO] [stdout] 1295 | |                             self.next_pos,
[INFO] [stdout] 1296 | |                             String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1297 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1328:28
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                       panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1329 | |                         start_with_quote,
[INFO] [stdout] 1330 | |                         self.pos,
[INFO] [stdout] 1331 | |                         String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1332 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1362:32
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                           panic!(self.fatal_span_(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1363 | |                             start_bpos,
[INFO] [stdout] 1364 | |                             last_bpos,
[INFO] [stdout] 1365 | |                             "unterminated double quote string"
[INFO] [stdout] 1366 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1398:28
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1402:28
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                       panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1403 | |                         start_bpos,
[INFO] [stdout] 1404 | |                         last_bpos,
[INFO] [stdout] 1405 | |                         "found invalid character; only `#` is allowed \
[INFO] [stdout] 1406 | |                                                  in raw string delimitation",
[INFO] [stdout] 1407 | |                         curr_char
[INFO] [stdout] 1408 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1417:32
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1561:20
[INFO] [stdout]      |
[INFO] [stdout] 1561 |               panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1562 | |                 start - BytePos(2),
[INFO] [stdout] 1563 | |                 pos,
[INFO] [stdout] 1564 | |                 "unterminated byte constant".to_string()
[INFO] [stdout] 1565 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1589:24
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!("{}", self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 std::panic::panic_any(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1620:20
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1624:20
[INFO] [stdout]      |
[INFO] [stdout] 1624 |               panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1625 | |                 start_bpos,
[INFO] [stdout] 1626 | |                 pos,
[INFO] [stdout] 1627 | |                 "found invalid character; only `#` is allowed in raw \
[INFO] [stdout] 1628 | |                                          string delimitation",
[INFO] [stdout] 1629 | |                 ch
[INFO] [stdout] 1630 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1639:28
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:218:36
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!("{}", sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => std::panic::panic_any(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:219:32
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!("{}", sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => std::panic::panic_any(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     panictry!(srdr.parse_all_token_trees())
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:486:32
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!(err(2))
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!("{}", err(2))
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         std::panic::panic_any(err(2))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:491:32
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!(err(3)),
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!("{}", err(3)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => std::panic::panic_any(err(3)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/base.rs:825:16
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!("{}", self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 825 |         std::panic::panic_any(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:944:15
[INFO] [stdout]     |
[INFO] [stdout] 944 |     let ret = panictry!(p.parse_expr());
[INFO] [stdout]     |               ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:961:41
[INFO] [stdout]     |
[INFO] [stdout] 961 |         es.push(cx.expander().fold_expr(panictry!(p.parse_expr())));
[INFO] [stdout]     |                                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/expand.rs:424:20
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 424 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:452:28
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:458:28
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 | /             panictry!(parse::parse_item_from_source_str(
[INFO] [stdout] 373 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 374 | |                 s,
[INFO] [stdout] 375 | |                 self.parse_sess()
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 | /             panictry!(parse::parse_stmt_from_source_str(
[INFO] [stdout] 382 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 383 | |                 s,
[INFO] [stdout] 384 | |                 self.parse_sess()
[INFO] [stdout] 385 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 | /             panictry!(parse::parse_expr_from_source_str(
[INFO] [stdout] 391 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 392 | |                 s,
[INFO] [stdout] 393 | |                 self.parse_sess()
[INFO] [stdout] 394 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     panictry!(parser.parse_expr())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     panictry!(parser.parse_item())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:449:5
[INFO] [stdout]     |
[INFO] [stdout] 449 |     panictry!(parser.parse_pat())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 453 |     panictry!(parser.parse_arm())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     panictry!(parser.parse_ty())
[INFO] [stdout]     |     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 |     panictry!(parser.parse_stmt())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     panictry!(parser.parse_attribute(permit_inner))
[INFO] [stdout]     |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:469:5
[INFO] [stdout]     |
[INFO] [stdout] 469 |     panictry!(parser.parse_arg())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:473:5
[INFO] [stdout]     |
[INFO] [stdout] 473 |     panictry!(parser.parse_block())
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:477:5
[INFO] [stdout]     |
[INFO] [stdout] 477 |     panictry!(parser.parse_meta_item())
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     panictry!(parser.parse_path(mode))
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:849:19
[INFO] [stdout]     |
[INFO] [stdout] 849 |     let cx_expr = panictry!(p.parse_expr());
[INFO] [stdout]     |                   ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:854:15
[INFO] [stdout]     |
[INFO] [stdout] 854 |     let tts = panictry!(p.parse_all_token_trees());
[INFO] [stdout]     |               ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Some(panictry!(self.p.parse_expr()))
[INFO] [stdout]     |                  ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 match panictry!(self.p.parse_item()) {
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/source_util.rs:120:36
[INFO] [stdout]     |
[INFO] [stdout] 120 |                       None => panic!(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 121 | |                         self.p.span,
[INFO] [stdout] 122 | |                         &format!("expected item, found `{}`", self.p.this_token_to_string())
[INFO] [stdout] 123 | |                     )),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => panic!("{}", self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => std::panic::panic_any(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:526:25
[INFO] [stdout]     |
[INFO] [stdout] 526 |         "item" => match panictry!(p.parse_item()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:530:24
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 |         "block" => token::NtBlock(panictry!(p.parse_block())),
[INFO] [stdout]     |                                   -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:534:25
[INFO] [stdout]     |
[INFO] [stdout] 534 |         "stmt" => match panictry!(p.parse_stmt()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:538:24
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:541:31
[INFO] [stdout]     |
[INFO] [stdout] 541 |         "pat" => token::NtPat(panictry!(p.parse_pat())),
[INFO] [stdout]     |                               ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:542:33
[INFO] [stdout]     |
[INFO] [stdout] 542 |         "expr" => token::NtExpr(panictry!(p.parse_expr())),
[INFO] [stdout]     |                                 ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:543:29
[INFO] [stdout]     |
[INFO] [stdout] 543 |         "ty" => token::NtTy(panictry!(p.parse_ty())),
[INFO] [stdout]     |                             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:557:24
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!(FatalError)
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!("{}", FatalError)
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 std::panic::panic_any(FatalError)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:560:33
[INFO] [stdout]     |
[INFO] [stdout] 560 |         "path" => token::NtPath(panictry!(p.parse_path(PathStyle::Type))),
[INFO] [stdout]     |                                 ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling garando_syntax2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:561:33
[INFO] [stdout]     |
[INFO] [stdout] 561 |         "meta" => token::NtMeta(panictry!(p.parse_meta_item())),
[INFO] [stdout]     |                                 ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:562:31
[INFO] [stdout]     |
[INFO] [stdout] 562 |         "vis" => token::NtVis(panictry!(p.parse_visibility(true))),
[INFO] [stdout]     |                               ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ext/tt/macro_rules.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let expansion = panictry!(parser.parse_expansion(kind, true));
[INFO] [stdout]    |                         --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 222 | |                 .span_diagnostic
[INFO] [stdout] 223 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 221 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 221 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:226:20
[INFO] [stdout]     |
[INFO] [stdout] 226 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 227 | |                 .span_diagnostic
[INFO] [stdout] 228 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 226 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 226 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |                                            ^^                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "{}", "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |                           panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 140 | |                             sp, /* blame macro writer */
[INFO] [stdout] 141 | |                             "attempted to repeat an expression \
[INFO] [stdout] 142 | |                              containing no syntax \
[INFO] [stdout] 143 | |                              variables matched as repeating at this depth"
[INFO] [stdout] 144 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!("{}", sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         std::panic::panic_any(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:154:40
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   panic!(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 panic!("{}", sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 std::panic::panic_any(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |   ...                   panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 183 | | ...                       sp, /* blame the macro writer */
[INFO] [stdout] 184 | | ...                       &format!("variable '{}' is still repeating at this depth", ident)
[INFO] [stdout] 185 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 74 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/util/parser_testing.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let x = panictry!(f(&mut p));
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!(err)
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     panic!("{}", err)
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     std::panic::panic_any(err)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/util/small_vector.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!(err),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => panic!("{}", err),
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 134 |             _ => std::panic::panic_any(err),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:25:24
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!(FatalError);
[INFO] [stdout]      |                        ^^^^^^^^^^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/feature_gate.rs:1374:20
[INFO] [stdout]      |
[INFO] [stdout] 1374 |         let meta = panictry!(attr.parse_meta(self.context.parse_sess));
[INFO] [stdout]      |                    --------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 panic!("{}", FatalError);
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 25   |                 std::panic::panic_any(FatalError);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/feature_gate.rs:1882:20
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!(FatalError);
[INFO] [stdout]      |                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             panic!("{}", FatalError);
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             std::panic::panic_any(FatalError);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/comments.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 panic!("{}", rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 std::panic::panic_any(rdr.fatal("unterminated block comment"));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse/lexer/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 186 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 186 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 211 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 211 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:642:24
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 panic!("{}", self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 642 |                 std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, msg));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/lexer/mod.rs:804:24
[INFO] [stdout]     |
[INFO] [stdout] 804 |                   panic!(self.fatal_span_(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 805 | |                     start_bpos,
[INFO] [stdout] 806 | |                     last_bpos,
[INFO] [stdout] 807 | |                     "unterminated numeric character escape"
[INFO] [stdout] 808 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 panic!("{}", self.fatal_span_(
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 804 |                 std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1007:28
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1008 | |                         start_bpos,
[INFO] [stdout] 1009 | |                         self.pos,
[INFO] [stdout] 1010 | |                         "unterminated unicode escape (found EOF)"
[INFO] [stdout] 1011 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1007 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1017:28
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                       panic!(self.fatal_span_(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1018 | |                         self.pos,
[INFO] [stdout] 1019 | |                         self.next_pos,
[INFO] [stdout] 1020 | |                         "unterminated unicode escape (needed a `}`)"
[INFO] [stdout] 1021 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1293:32
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                           panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1294 | |                             start_with_quote,
[INFO] [stdout] 1295 | |                             self.next_pos,
[INFO] [stdout] 1296 | |                             String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1297 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1293 |                         std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1328:28
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                       panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1329 | |                         start_with_quote,
[INFO] [stdout] 1330 | |                         self.pos,
[INFO] [stdout] 1331 | |                         String::from("character literal may only contain one codepoint")
[INFO] [stdout] 1332 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                     std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1362:32
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                           panic!(self.fatal_span_(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 1363 | |                             start_bpos,
[INFO] [stdout] 1364 | |                             last_bpos,
[INFO] [stdout] 1365 | |                             "unterminated double quote string"
[INFO] [stdout] 1366 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         panic!("{}", self.fatal_span_(
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                         std::panic::panic_any(self.fatal_span_(
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1398:28
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1398 |                     std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1402:28
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                       panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1403 | |                         start_bpos,
[INFO] [stdout] 1404 | |                         last_bpos,
[INFO] [stdout] 1405 | |                         "found invalid character; only `#` is allowed \
[INFO] [stdout] 1406 | |                                                  in raw string delimitation",
[INFO] [stdout] 1407 | |                         curr_char
[INFO] [stdout] 1408 | |                     ));
[INFO] [stdout]      | |_____________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1402 |                     std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1417:32
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         panic!("{}", self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                         std::panic::panic_any(self.fatal_span_(start_bpos, last_bpos, "unterminated raw string"));
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1561:20
[INFO] [stdout]      |
[INFO] [stdout] 1561 |               panic!(self.fatal_span_verbose(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1562 | |                 start - BytePos(2),
[INFO] [stdout] 1563 | |                 pos,
[INFO] [stdout] 1564 | |                 "unterminated byte constant".to_string()
[INFO] [stdout] 1565 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             panic!("{}", self.fatal_span_verbose(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             std::panic::panic_any(self.fatal_span_verbose(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1589:24
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 panic!("{}", self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1589 |                 std::panic::panic_any(self.fatal_span_(start, pos, "unterminated double quote byte string"));
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1620:20
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1620 |             std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1624:20
[INFO] [stdout]      |
[INFO] [stdout] 1624 |               panic!(self.fatal_span_char(
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 1625 | |                 start_bpos,
[INFO] [stdout] 1626 | |                 pos,
[INFO] [stdout] 1627 | |                 "found invalid character; only `#` is allowed in raw \
[INFO] [stdout] 1628 | |                                          string delimitation",
[INFO] [stdout] 1629 | |                 ch
[INFO] [stdout] 1630 | |             ));
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             panic!("{}", self.fatal_span_char(
[INFO] [stdout]      |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1624 |             std::panic::panic_any(self.fatal_span_char(
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/parse/lexer/mod.rs:1639:28
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     panic!("{}", self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1639 |                     std::panic::panic_any(self.fatal_span_(start_bpos, pos, "unterminated raw string"))
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:218:36
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => panic!("{}", sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Some(sp) => std::panic::panic_any(sess.span_diagnostic.span_fatal(sp, &msg)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:219:32
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => panic!("{}", sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 None => std::panic::panic_any(sess.span_diagnostic.fatal(&msg)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     panictry!(srdr.parse_all_token_trees())
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:486:32
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!(err(2))
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         panic!("{}", err(2))
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         std::panic::panic_any(err(2))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/mod.rs:491:32
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!(err(3)),
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => panic!("{}", err(3)),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 None => std::panic::panic_any(err(3)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:896:13
[INFO] [stdout]     |
[INFO] [stdout] 896 |             panictry!(parser.parse_pat())
[INFO] [stdout]     |             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(diag.span_fatal(i.span, "unsafe functions cannot be used for tests"));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/base.rs:825:16
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 825 |         panic!("{}", self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 825 |         std::panic::panic_any(self.parse_sess.span_diagnostic.span_fatal(sp, msg));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:944:15
[INFO] [stdout]     |
[INFO] [stdout] 944 |     let ret = panictry!(p.parse_expr());
[INFO] [stdout]     |               ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/base.rs:961:41
[INFO] [stdout]     |
[INFO] [stdout] 961 |         es.push(cx.expander().fold_expr(panictry!(p.parse_expr())));
[INFO] [stdout]     |                                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/expand.rs:424:20
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!(FatalError);
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 424 |             panic!("{}", FatalError);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 424 |             std::panic::panic_any(FatalError);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:452:28
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/expand.rs:458:28
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let meta = panictry!(attr.parse_meta(self.cx.parse_sess));
[INFO] [stdout]     |                            ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 | /             panictry!(parse::parse_item_from_source_str(
[INFO] [stdout] 373 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 374 | |                 s,
[INFO] [stdout] 375 | |                 self.parse_sess()
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 | /             panictry!(parse::parse_stmt_from_source_str(
[INFO] [stdout] 382 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 383 | |                 s,
[INFO] [stdout] 384 | |                 self.parse_sess()
[INFO] [stdout] 385 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                   panic!(FatalError);
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 | /             panictry!(parse::parse_expr_from_source_str(
[INFO] [stdout] 391 | |                 "<quote expansion>".to_string(),
[INFO] [stdout] 392 | |                 s,
[INFO] [stdout] 393 | |                 self.parse_sess()
[INFO] [stdout] 394 | |             ))
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     panictry!(parser.parse_expr())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 445 |     panictry!(parser.parse_item())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:449:5
[INFO] [stdout]     |
[INFO] [stdout] 449 |     panictry!(parser.parse_pat())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 453 |     panictry!(parser.parse_arm())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     panictry!(parser.parse_ty())
[INFO] [stdout]     |     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 |     panictry!(parser.parse_stmt())
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     panictry!(parser.parse_attribute(permit_inner))
[INFO] [stdout]     |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:469:5
[INFO] [stdout]     |
[INFO] [stdout] 469 |     panictry!(parser.parse_arg())
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:473:5
[INFO] [stdout]     |
[INFO] [stdout] 473 |     panictry!(parser.parse_block())
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:477:5
[INFO] [stdout]     |
[INFO] [stdout] 477 |     panictry!(parser.parse_meta_item())
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     panictry!(parser.parse_path(mode))
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:849:19
[INFO] [stdout]     |
[INFO] [stdout] 849 |     let cx_expr = panictry!(p.parse_expr());
[INFO] [stdout]     |                   ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/quote.rs:854:15
[INFO] [stdout]     |
[INFO] [stdout] 854 |     let tts = panictry!(p.parse_all_token_trees());
[INFO] [stdout]     |               ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Some(panictry!(self.p.parse_expr()))
[INFO] [stdout]     |                  ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/source_util.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 match panictry!(self.p.parse_item()) {
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/source_util.rs:120:36
[INFO] [stdout]     |
[INFO] [stdout] 120 |                       None => panic!(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 121 | |                         self.p.span,
[INFO] [stdout] 122 | |                         &format!("expected item, found `{}`", self.p.this_token_to_string())
[INFO] [stdout] 123 | |                     )),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => panic!("{}", self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     None => std::panic::panic_any(self.p.diagnostic().span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:526:25
[INFO] [stdout]     |
[INFO] [stdout] 526 |         "item" => match panictry!(p.parse_item()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:530:24
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:533:35
[INFO] [stdout]     |
[INFO] [stdout] 533 |         "block" => token::NtBlock(panictry!(p.parse_block())),
[INFO] [stdout]     |                                   -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:534:25
[INFO] [stdout]     |
[INFO] [stdout] 534 |         "stmt" => match panictry!(p.parse_stmt()) {
[INFO] [stdout]     |                         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:538:24
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:541:31
[INFO] [stdout]     |
[INFO] [stdout] 541 |         "pat" => token::NtPat(panictry!(p.parse_pat())),
[INFO] [stdout]     |                               ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:542:33
[INFO] [stdout]     |
[INFO] [stdout] 542 |         "expr" => token::NtExpr(panictry!(p.parse_expr())),
[INFO] [stdout]     |                                 ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:543:29
[INFO] [stdout]     |
[INFO] [stdout] 543 |         "ty" => token::NtTy(panictry!(p.parse_ty())),
[INFO] [stdout]     |                             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_parser.rs:557:24
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!(FatalError)
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 panic!("{}", FatalError)
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 557 |                 std::panic::panic_any(FatalError)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:560:33
[INFO] [stdout]     |
[INFO] [stdout] 560 |         "path" => token::NtPath(panictry!(p.parse_path(PathStyle::Type))),
[INFO] [stdout]     |                                 ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:561:33
[INFO] [stdout]     |
[INFO] [stdout] 561 |         "meta" => token::NtMeta(panictry!(p.parse_meta_item())),
[INFO] [stdout]     |                                 ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!(FatalError);
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/ext/tt/macro_parser.rs:562:31
[INFO] [stdout]     |
[INFO] [stdout] 562 |         "vis" => token::NtVis(panictry!(p.parse_visibility(true))),
[INFO] [stdout]     |                               ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 panic!("{}", FatalError);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 25  |                 std::panic::panic_any(FatalError);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!(FatalError);
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ext/tt/macro_rules.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let expansion = panictry!(parser.parse_expansion(kind, true));
[INFO] [stdout]    |                         --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 panic!("{}", FatalError);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 std::panic::panic_any(FatalError);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 222 | |                 .span_diagnostic
[INFO] [stdout] 223 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 221 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 221 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:226:20
[INFO] [stdout]     |
[INFO] [stdout] 226 |               panic!(sess
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 227 | |                 .span_diagnostic
[INFO] [stdout] 228 | |                 .span_fatal(sp.substitute_dummy(def.span), &s));
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 226 |             panic!("{}", sess
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 226 |             std::panic::panic_any(sess
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |                                            ^^                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "{}", "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |                           panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 140 | |                             sp, /* blame macro writer */
[INFO] [stdout] 141 | |                             "attempted to repeat an expression \
[INFO] [stdout] 142 | |                              containing no syntax \
[INFO] [stdout] 143 | |                              variables matched as repeating at this depth"
[INFO] [stdout] 144 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         panic!("{}", sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         std::panic::panic_any(sp_diag.span_fatal(sp, &msg[..]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:154:40
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...                   panic!(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 panic!("{}", sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 154 |                                 std::panic::panic_any(sp_diag.span_fatal(sp, "this must repeat at least once"));
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ext/tt/transcribe.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |   ...                   panic!(sp_diag.span_fatal(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 183 | | ...                       sp, /* blame the macro writer */
[INFO] [stdout] 184 | | ...                       &format!("variable '{}' is still repeating at this depth", ident)
[INFO] [stdout] 185 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             panic!("{}", sp_diag.span_fatal(
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             std::panic::panic_any(sp_diag.span_fatal(
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.73s
[INFO] running `Command { std: "docker" "inspect" "1b23186851cd4de9cc7c5b638d717544df9faa3c15cffc8882686e422beab485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b23186851cd4de9cc7c5b638d717544df9faa3c15cffc8882686e422beab485", kill_on_drop: false }`
[INFO] [stdout] 1b23186851cd4de9cc7c5b638d717544df9faa3c15cffc8882686e422beab485
