[INFO] fetching crate lalrpop 0.19.6...
[INFO] checking lalrpop-0.19.6 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate lalrpop 0.19.6 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate lalrpop 0.19.6 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lalrpop 0.19.6
[INFO] finished tweaking crates.io crate lalrpop 0.19.6
[INFO] tweaked toml for crates.io crate lalrpop 0.19.6 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate crates.io crate lalrpop 0.19.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da46eaa8ebf8d78e3b51c8c26367ce40cd19b5687c2ab80d9047307230d60be
[INFO] running `Command { std: "docker" "start" "-a" "1da46eaa8ebf8d78e3b51c8c26367ce40cd19b5687c2ab80d9047307230d60be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da46eaa8ebf8d78e3b51c8c26367ce40cd19b5687c2ab80d9047307230d60be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da46eaa8ebf8d78e3b51c8c26367ce40cd19b5687c2ab80d9047307230d60be", kill_on_drop: false }`
[INFO] [stdout] 1da46eaa8ebf8d78e3b51c8c26367ce40cd19b5687c2ab80d9047307230d60be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1210906d17ba81b30193068823901b7c69fa104f6666ce67dd7aef288712705
[INFO] running `Command { std: "docker" "start" "-a" "b1210906d17ba81b30193068823901b7c69fa104f6666ce67dd7aef288712705", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ascii-canvas v3.0.0
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking lalrpop v0.19.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:158:42
[INFO] [stdout]     |
[INFO] [stdout] 158 |   ...                   _ => return_err!(
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 159 | | ...                       annotation.id_span,
[INFO] [stdout] 160 | | ...                       r#"`cfg` annotations must have a `feature = "my_feature" argument"#
[INFO] [stdout] 161 | | ...                   ),
[INFO] [stdout]     | |_______________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:241:40
[INFO] [stdout]     |
[INFO] [stdout] 241 | ...) => return_err!(ann_prec.id_span, "invalid argument `{}` for precedence annotation, expected `{}`", name, precedence::LVL_ARG),
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     None => return_err!(ann_prec.id_span, "missing argument for precedence annotation, expected `{}`", precedence::LVL_ARG),
[INFO] [stdout]     |                             --------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:253:40
[INFO] [stdout]     |
[INFO] [stdout] 253 | ...=> return_err!(ann_assoc.id_span, "invalid argument `{}` for associativity annotation, expected `{}`", name, precedence::SIDE_ARG),
[INFO] [stdout]     |       ------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...one => return_err!(ann_assoc.id_span, "missing argument for associativity annotation, expected `{}`", precedence::SIDE_ARG),
[INFO] [stdout]     |           -------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:228:76
[INFO] [stdout]     |
[INFO] [stdout] 228 |                       Def::Nonterminal(0) | Def::Terminal | Def::MacroArg => return_err!(
[INFO] [stdout]     |  ____________________________________________________________________________-
[INFO] [stdout] 229 | |                         symbol.span,
[INFO] [stdout] 230 | |                         "`{}` is a {}, not a macro",
[INFO] [stdout] 231 | |                         msym.name,
[INFO] [stdout] 232 | |                         def.description()
[INFO] [stdout] 233 | |                     ),
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:273:36
[INFO] [stdout]     |
[INFO] [stdout] 273 |             Def::Nonterminal(_) => return_err!(symbol.span, "`{}` is a macro", id),
[INFO] [stdout]     |                                    ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |             None => return_err!(span, "no definition found for `{}`", id),
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |             None => return_err!(span, "no macro definition found for `{}`", msym.name),
[INFO] [stdout]     |                     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |             Err(err) => return_err!(span, "invalid regular expression `{}`: {}", regex, err),
[INFO] [stdout]     |                         -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:398:21
[INFO] [stdout]     |
[INFO] [stdout] 398 | /                     return_err!(
[INFO] [stdout] 399 | |                     span,
[INFO] [stdout] 400 | |                     "named symbols like `{}:{}` are only allowed at the top-level of a nonterminal",
[INFO] [stdout] 401 | |                     ex_id, ex_sym)
[INFO] [stdout]     | |__________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/token_check/mod.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 366 | /             return_err!(
[INFO] [stdout] 367 | |                 spans[literal],
[INFO] [stdout] 368 | |                 "{} are not supported in regular expressions",
[INFO] [stdout] 369 | |                 feature
[INFO] [stdout] 370 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/token_check/mod.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 | /             return_err!(
[INFO] [stdout] 377 | |                 spans[literal0],
[INFO] [stdout] 378 | |                 "ambiguity detected between the terminal `{}` and the terminal `{}`",
[INFO] [stdout] 379 | |                 literal0,
[INFO] [stdout] 380 | |                 literal1
[INFO] [stdout] 381 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:158:42
[INFO] [stdout]     |
[INFO] [stdout] 158 |   ...                   _ => return_err!(
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 159 | | ...                       annotation.id_span,
[INFO] [stdout] 160 | | ...                       r#"`cfg` annotations must have a `feature = "my_feature" argument"#
[INFO] [stdout] 161 | | ...                   ),
[INFO] [stdout]     | |_______________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:241:40
[INFO] [stdout]     |
[INFO] [stdout] 241 | ...) => return_err!(ann_prec.id_span, "invalid argument `{}` for precedence annotation, expected `{}`", name, precedence::LVL_ARG),
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     None => return_err!(ann_prec.id_span, "missing argument for precedence annotation, expected `{}`", precedence::LVL_ARG),
[INFO] [stdout]     |                             --------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:253:40
[INFO] [stdout]     |
[INFO] [stdout] 253 | ...=> return_err!(ann_assoc.id_span, "invalid argument `{}` for associativity annotation, expected `{}`", name, precedence::SIDE_ARG),
[INFO] [stdout]     |       ------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/prevalidate/mod.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 | ...one => return_err!(ann_assoc.id_span, "missing argument for associativity annotation, expected `{}`", precedence::SIDE_ARG),
[INFO] [stdout]     |           -------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:228:76
[INFO] [stdout]     |
[INFO] [stdout] 228 |                       Def::Nonterminal(0) | Def::Terminal | Def::MacroArg => return_err!(
[INFO] [stdout]     |  ____________________________________________________________________________-
[INFO] [stdout] 229 | |                         symbol.span,
[INFO] [stdout] 230 | |                         "`{}` is a {}, not a macro",
[INFO] [stdout] 231 | |                         msym.name,
[INFO] [stdout] 232 | |                         def.description()
[INFO] [stdout] 233 | |                     ),
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:273:36
[INFO] [stdout]     |
[INFO] [stdout] 273 |             Def::Nonterminal(_) => return_err!(symbol.span, "`{}` is a macro", id),
[INFO] [stdout]     |                                    ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/resolve/mod.rs:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |             None => return_err!(span, "no definition found for `{}`", id),
[INFO] [stdout]     |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |             None => return_err!(span, "no macro definition found for `{}`", msym.name),
[INFO] [stdout]     |                     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |         });
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |             Err(err) => return_err!(span, "invalid regular expression `{}`: {}", regex, err),
[INFO] [stdout]     |                         -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/macro_expand/mod.rs:398:21
[INFO] [stdout]     |
[INFO] [stdout] 398 | /                     return_err!(
[INFO] [stdout] 399 | |                     span,
[INFO] [stdout] 400 | |                     "named symbols like `{}:{}` are only allowed at the top-level of a nonterminal",
[INFO] [stdout] 401 | |                     ex_id, ex_sym)
[INFO] [stdout]     | |__________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/token_check/mod.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 366 | /             return_err!(
[INFO] [stdout] 367 | |                 spans[literal],
[INFO] [stdout] 368 | |                 "{} are not supported in regular expressions",
[INFO] [stdout] 369 | |                 feature
[INFO] [stdout] 370 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/normalize/mod.rs:22:11
[INFO] [stdout]     |
[INFO] [stdout] 22  |           });
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/normalize/token_check/mod.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 | /             return_err!(
[INFO] [stdout] 377 | |                 spans[literal0],
[INFO] [stdout] 378 | |                 "ambiguity detected between the terminal `{}` and the terminal `{}`",
[INFO] [stdout] 379 | |                 literal0,
[INFO] [stdout] 380 | |                 literal1
[INFO] [stdout] 381 | |             )
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `return_err`
[INFO] [stdout]     = note: this warning originates in the macro `return_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "b1210906d17ba81b30193068823901b7c69fa104f6666ce67dd7aef288712705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1210906d17ba81b30193068823901b7c69fa104f6666ce67dd7aef288712705", kill_on_drop: false }`
[INFO] [stdout] b1210906d17ba81b30193068823901b7c69fa104f6666ce67dd7aef288712705
