[INFO] fetching crate comp 0.2.1...
[INFO] checking comp-0.2.1 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate comp 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate comp 0.2.1 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comp 0.2.1
[INFO] finished tweaking crates.io crate comp 0.2.1
[INFO] tweaked toml for crates.io crate comp 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e42739ea464e8f9830aed1386f430d612390645eaff2b1a076d409ad2bbf63b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e42739ea464e8f9830aed1386f430d612390645eaff2b1a076d409ad2bbf63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e42739ea464e8f9830aed1386f430d612390645eaff2b1a076d409ad2bbf63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e42739ea464e8f9830aed1386f430d612390645eaff2b1a076d409ad2bbf63b", kill_on_drop: false }`
[INFO] [stdout] 3e42739ea464e8f9830aed1386f430d612390645eaff2b1a076d409ad2bbf63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 689cae01fe1e38556300c43e8ca28dcaf3637ee92f4378cb3eee50ca4ed35f7b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "689cae01fe1e38556300c43e8ca28dcaf3637ee92f4378cb3eee50ca4ed35f7b", kill_on_drop: false }`
[INFO] [stderr]     Checking comp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 892 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 893 | |             let start = 5;
[INFO] [stdout] 894 | |             let end;
[INFO] [stdout] 895 | |             end = start * 3;
[INFO] [stdout] ...   |
[INFO] [stdout] 899 | |             x
[INFO] [stdout] 900 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 892 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 893 | |             let start = 5;
[INFO] [stdout] 894 | |             let end;
[INFO] [stdout] 895 | |             end = start * 3;
[INFO] [stdout] ...   |
[INFO] [stdout] 899 | |             x
[INFO] [stdout] 900 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 892 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 893 | |             let start = 5;
[INFO] [stdout] 894 | |             let end;
[INFO] [stdout] 895 | |             end = start * 3;
[INFO] [stdout] ...   |
[INFO] [stdout] 899 | |             x
[INFO] [stdout] 900 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 907 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 908 | |             let mut a <- 0..5;
[INFO] [stdout] 909 | |
[INFO] [stdout] 910 | |             {
[INFO] [stdout] ...   |
[INFO] [stdout] 923 | |             (a, count)
[INFO] [stdout] 924 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 907 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 908 | |             let mut a <- 0..5;
[INFO] [stdout] 909 | |
[INFO] [stdout] 910 | |             {
[INFO] [stdout] ...   |
[INFO] [stdout] 923 | |             (a, count)
[INFO] [stdout] 924 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 482 |           { $stmt ; option! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 933 |           let option = option! {
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 934 | |             let mut a <- Some(2);
[INFO] [stdout] 935 | |             a = a + 10;
[INFO] [stdout] 936 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 940 | |             (a, b)
[INFO] [stdout] 941 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 482 |           { $stmt ; option! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 933 |           let option = option! {
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 934 | |             let mut a <- Some(2);
[INFO] [stdout] 935 | |             a = a + 10;
[INFO] [stdout] 936 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 940 | |             (a, b)
[INFO] [stdout] 941 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:554:17
[INFO] [stdout]     |
[INFO] [stdout] 554 |           { $stmt ; result! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 944 |           let result = result! {
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 945 | |             let mut a <- ok(2);
[INFO] [stdout] 946 | |             a = a + 10;
[INFO] [stdout] 947 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 951 | |             (a, b)
[INFO] [stdout] 952 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:554:17
[INFO] [stdout]     |
[INFO] [stdout] 554 |           { $stmt ; result! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 944 |           let result = result! {
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 945 | |             let mut a <- ok(2);
[INFO] [stdout] 946 | |             a = a + 10;
[INFO] [stdout] 947 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 951 | |             (a, b)
[INFO] [stdout] 952 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:632:17
[INFO] [stdout]     |
[INFO] [stdout] 632 |           { $stmt ; iter! { $( $t )* } }
[INFO] [stdout]     |                   ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 955 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 956 | |             let mut a <- 2..3;
[INFO] [stdout] 957 | |             a = a + 10;
[INFO] [stdout] 958 | |             a
[INFO] [stdout] 959 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/lib.rs:602:12
[INFO] [stdout]     |
[INFO] [stdout] 602 |           $e.into_iter().flat_map(move | iter! (@as_pat $p) | { iter! { $( $t )* } } )
[INFO] [stdout]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout] ...
[INFO] [stdout] 732 |           let iter = iter! {
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 733 | |             let x <- array;
[INFO] [stdout] 734 | |             let y <- *x..4;
[INFO] [stdout] 735 | |             (*x, y)
[INFO] [stdout] 736 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` 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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "689cae01fe1e38556300c43e8ca28dcaf3637ee92f4378cb3eee50ca4ed35f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689cae01fe1e38556300c43e8ca28dcaf3637ee92f4378cb3eee50ca4ed35f7b", kill_on_drop: false }`
[INFO] [stdout] 689cae01fe1e38556300c43e8ca28dcaf3637ee92f4378cb3eee50ca4ed35f7b
