[INFO] fetching crate escodegen 0.4.4...
[INFO] checking escodegen-0.4.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate escodegen 0.4.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate escodegen 0.4.4 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 escodegen 0.4.4
[INFO] finished tweaking crates.io crate escodegen 0.4.4
[INFO] tweaked toml for crates.io crate escodegen 0.4.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5870c8fddf15cf3bff3fc3284bcb747280884488e51ac87240912e4a23172cd
[INFO] running `Command { std: "docker" "start" "-a" "f5870c8fddf15cf3bff3fc3284bcb747280884488e51ac87240912e4a23172cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5870c8fddf15cf3bff3fc3284bcb747280884488e51ac87240912e4a23172cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5870c8fddf15cf3bff3fc3284bcb747280884488e51ac87240912e4a23172cd", kill_on_drop: false }`
[INFO] [stdout] f5870c8fddf15cf3bff3fc3284bcb747280884488e51ac87240912e4a23172cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256: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] a79d39bfb2ea85f3dba6b65e40b6aec00110dc4975588cb65bb5518f4849ca97
[INFO] running `Command { std: "docker" "start" "-a" "a79d39bfb2ea85f3dba6b65e40b6aec00110dc4975588cb65bb5518f4849ca97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking escodegen v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 230 |         'a'...'z' | 'A'...'Z' | '$' | '_' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |         'a'...'z' | 'A'...'Z' | '$' | '_' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:231:12
[INFO] [stdout]     |
[INFO] [stdout] 231 |         '0'...'9' => index > 0,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 97 | walk!(walk_stmt, walk_expr, &Stmt, &Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r`
[INFO] [stdout]    = note: this warning originates in the macro `r` (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/walk.rs:51:69
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     $f($a, pre_stmt, post_stmt, pre_expr, post_expr);
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 98 | walk!(walk_stmt_mut, walk_expr_mut, &mut Stmt, &mut Expr);
[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 `r` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 230 |         'a'...'z' | 'A'...'Z' | '$' | '_' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |         'a'...'z' | 'A'...'Z' | '$' | '_' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:231:12
[INFO] [stdout]     |
[INFO] [stdout] 231 |         '0'...'9' => index > 0,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "a79d39bfb2ea85f3dba6b65e40b6aec00110dc4975588cb65bb5518f4849ca97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79d39bfb2ea85f3dba6b65e40b6aec00110dc4975588cb65bb5518f4849ca97", kill_on_drop: false }`
[INFO] [stdout] a79d39bfb2ea85f3dba6b65e40b6aec00110dc4975588cb65bb5518f4849ca97
