[INFO] fetching crate comp 0.2.1... [INFO] checking comp-0.2.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate comp 0.2.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate comp 0.2.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5fb25d7943b09a11c7237a98a778f2a413aa8b7dfc4c3cdbca6dbc08bb3ddde [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" "b5fb25d7943b09a11c7237a98a778f2a413aa8b7dfc4c3cdbca6dbc08bb3ddde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5fb25d7943b09a11c7237a98a778f2a413aa8b7dfc4c3cdbca6dbc08bb3ddde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5fb25d7943b09a11c7237a98a778f2a413aa8b7dfc4c3cdbca6dbc08bb3ddde", kill_on_drop: false }` [INFO] [stdout] b5fb25d7943b09a11c7237a98a778f2a413aa8b7dfc4c3cdbca6dbc08bb3ddde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e789d3baab851f6d2ac6cff8b0e7f9eb1bbca8ecc2c04a8706742c0c06a29171 [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" "e789d3baab851f6d2ac6cff8b0e7f9eb1bbca8ecc2c04a8706742c0c06a29171", 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:761:10 [INFO] [stdout] | [INFO] [stdout] 761 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:765:10 [INFO] [stdout] | [INFO] [stdout] 765 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:820:10 [INFO] [stdout] | [INFO] [stdout] 820 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:824:10 [INFO] [stdout] | [INFO] [stdout] 824 | }; [INFO] [stdout] | ^ help: remove this semicolon [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 the macro `iter` (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 the macro `iter` (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 the macro `iter` (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 the macro `iter` (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 the macro `iter` (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 the macro `option` (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 the macro `option` (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 the macro `result` (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 the macro `result` (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 the macro `iter` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [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] | ^^^^^^^^^ [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 changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in the macro `iter` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 602 | $e.iter().flat_map(move | iter! (@as_pat $p) | { iter! { $( $t )* } } ) [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 602 | IntoIterator::into_iter($e.into_iter()).flat_map(move | iter! (@as_pat $p) | { iter! { $( $t )* } } ) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "e789d3baab851f6d2ac6cff8b0e7f9eb1bbca8ecc2c04a8706742c0c06a29171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e789d3baab851f6d2ac6cff8b0e7f9eb1bbca8ecc2c04a8706742c0c06a29171", kill_on_drop: false }` [INFO] [stdout] e789d3baab851f6d2ac6cff8b0e7f9eb1bbca8ecc2c04a8706742c0c06a29171