[INFO] fetching crate regexm 0.2.1...
[INFO] building regexm-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate regexm 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate regexm 0.2.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regexm 0.2.1
[INFO] finished tweaking crates.io crate regexm 0.2.1
[INFO] tweaked toml for crates.io crate regexm 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate regexm 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 899da248fef79e041fdb89f5f28c0763e5b23790ddf36728d942b37cb15baeea
[INFO] running `Command { std: "docker" "start" "-a" "899da248fef79e041fdb89f5f28c0763e5b23790ddf36728d942b37cb15baeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "899da248fef79e041fdb89f5f28c0763e5b23790ddf36728d942b37cb15baeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "899da248fef79e041fdb89f5f28c0763e5b23790ddf36728d942b37cb15baeea", kill_on_drop: false }`
[INFO] [stdout] 899da248fef79e041fdb89f5f28c0763e5b23790ddf36728d942b37cb15baeea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7157fc4ec57405a17fd98c6c5174788d3c9637270287f13f1b579791b6e99cd8
[INFO] running `Command { std: "docker" "start" "-a" "7157fc4ec57405a17fd98c6c5174788d3c9637270287f13f1b579791b6e99cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling regexm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "7157fc4ec57405a17fd98c6c5174788d3c9637270287f13f1b579791b6e99cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7157fc4ec57405a17fd98c6c5174788d3c9637270287f13f1b579791b6e99cd8", kill_on_drop: false }`
[INFO] [stdout] 7157fc4ec57405a17fd98c6c5174788d3c9637270287f13f1b579791b6e99cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f64be45a4a6c1ba7ad255a3fd48b6baf6e89348c1d2ebc2d11feba2750bced5
[INFO] running `Command { std: "docker" "start" "-a" "3f64be45a4a6c1ba7ad255a3fd48b6baf6e89348c1d2ebc2d11feba2750bced5", kill_on_drop: false }`
[INFO] [stderr]    Compiling regexm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 444 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 445 | |             r"^\d{4}-\d{2}-\d{2}$" => "yyyy-mm-dd",
[INFO] [stdout] 446 | |             r"^\d{4}-\d{2}$" => "yyyy-mm",
[INFO] [stdout] 447 | |             _ => "default",
[INFO] [stdout] 448 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 451 |           let foo = regexm!(match "foo" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 452 | |             r"^\d{4}-\d{2}-\d{2}$" => "yyyy-mm-dd",
[INFO] [stdout] 453 | |             r"^\d{4}-\d{2}$" => "yyyy-mm",
[INFO] [stdout] 454 | |             _ => "default",
[INFO] [stdout] 455 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 458 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 459 | |             r"^\d{4}-\d{2}-\d{2}$" => "yyyy-mm-dd",
[INFO] [stdout] 460 | |             r"^\d{4}-\d{2}$" => "yyyy-mm",
[INFO] [stdout] 461 | |             r"^\d{4}$" => "yyyy",
[INFO] [stdout] 462 | |             _ => "default",
[INFO] [stdout] 463 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 469 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 470 | |             r"^\d{4}-\d{2}-\d{2}$" => {
[INFO] [stdout] 471 | |                 let bar = "yyyy-mm-dd";
[INFO] [stdout] 472 | |                 bar
[INFO] [stdout] ...   |
[INFO] [stdout] 478 | |             _ => "default",
[INFO] [stdout] 479 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 482 |           let foo = regexm!(match "foo" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 483 | |             r"^\d{4}-\d{2}-\d{2}$" => {
[INFO] [stdout] 484 | |                 let bar = "yyyy-mm-dd";
[INFO] [stdout] 485 | |                 bar
[INFO] [stdout] ...   |
[INFO] [stdout] 491 | |             _ => "default",
[INFO] [stdout] 492 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:94:41
[INFO] [stdout]     |
[INFO] [stdout] 94  |           $($result)* else {$default_expr};
[INFO] [stdout]     |                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 495 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 496 | |             r"^\d{4}-\d{2}-\d{2}$" => {
[INFO] [stdout] 497 | |                 let bar = "yyyy-mm-dd";
[INFO] [stdout] 498 | |                 bar
[INFO] [stdout] ...   |
[INFO] [stdout] 508 | |             _ => "default",
[INFO] [stdout] 509 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |           } else {$default_expr};
[INFO] [stdout]     |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 515 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 516 | |             r"^\d{4}-\d{2}-\d{2}$" => "yyyy-mm-dd",
[INFO] [stdout] 517 | |             _ => "default",
[INFO] [stdout] 518 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |           } else {$default_expr};
[INFO] [stdout]     |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 521 |           let foo = regexm!(match "foo" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 522 | |             r"^\d{4}-\d{2}$" => "yyyy-mm",
[INFO] [stdout] 523 | |             _ => "default",
[INFO] [stdout] 524 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |           } else {$default_expr};
[INFO] [stdout]     |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 530 |           let foo = regexm!(match "2021-01-01" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 531 | |             r"^\d{4}-\d{2}-\d{2}$" => {
[INFO] [stdout] 532 | |                 let bar = "yyyy-mm-dd";
[INFO] [stdout] 533 | |                 bar
[INFO] [stdout] 534 | |             }
[INFO] [stdout] 535 | |             _ => "default",
[INFO] [stdout] 536 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__regexm` which comes from the expansion of the macro `regexm` (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/lib.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |           } else {$default_expr};
[INFO] [stdout]     |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 539 |           let foo = regexm!(match "foo" {
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 540 | |             r"^\d{4}-\d{2}$" => {
[INFO] [stdout] 541 | |                 let bar = "yyyy-mm";
[INFO] [stdout] 542 | |                 bar
[INFO] [stdout] 543 | |             }
[INFO] [stdout] 544 | |             _ => "default",
[INFO] [stdout] 545 | |         });
[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 `$crate::__regexm` which comes from the expansion of the macro `regexm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: regexm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3f64be45a4a6c1ba7ad255a3fd48b6baf6e89348c1d2ebc2d11feba2750bced5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f64be45a4a6c1ba7ad255a3fd48b6baf6e89348c1d2ebc2d11feba2750bced5", kill_on_drop: false }`
[INFO] [stdout] 3f64be45a4a6c1ba7ad255a3fd48b6baf6e89348c1d2ebc2d11feba2750bced5