[INFO] fetching crate tuple_utils 0.3.0... [INFO] checking tuple_utils-0.3.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate tuple_utils 0.3.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate tuple_utils 0.3.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tuple_utils 0.3.0 [INFO] finished tweaking crates.io crate tuple_utils 0.3.0 [INFO] tweaked toml for crates.io crate tuple_utils 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b0c3deab2ac52a624e4a34bf77cd8d41d6d5c04afb6964bd50f5337d988eb7b9 [INFO] running `Command { std: "docker" "start" "-a" "b0c3deab2ac52a624e4a34bf77cd8d41d6d5c04afb6964bd50f5337d988eb7b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0c3deab2ac52a624e4a34bf77cd8d41d6d5c04afb6964bd50f5337d988eb7b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0c3deab2ac52a624e4a34bf77cd8d41d6d5c04afb6964bd50f5337d988eb7b9", kill_on_drop: false }` [INFO] [stdout] b0c3deab2ac52a624e4a34bf77cd8d41d6d5c04afb6964bd50f5337d988eb7b9 [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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42f812c85c0b20c453801c10a41f560712ce4246bbf7e7fa81a6fdfc2581cc2d [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" "42f812c85c0b20c453801c10a41f560712ce4246bbf7e7fa81a6fdfc2581cc2d", kill_on_drop: false }` [INFO] [stderr] Checking tuple_utils v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:25:27 [INFO] [stdout] | [INFO] [stdout] 25 | type Output = ( $( $from ,)* T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 61 | / for_each_prefix!{ [INFO] [stdout] 62 | | tuple_impl, [INFO] [stdout] 63 | | [], [INFO] [stdout] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stdout] 65 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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 parentheses around type [INFO] [stdout] --> src/lib.rs:29:38 [INFO] [stdout] | [INFO] [stdout] 29 | fn append(self, x: T) -> ( $( $from ,)* T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 61 | / for_each_prefix!{ [INFO] [stdout] 62 | | tuple_impl, [INFO] [stdout] 63 | | [], [INFO] [stdout] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stdout] 65 | | } [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 parentheses around type [INFO] [stdout] --> src/lib.rs:25:27 [INFO] [stdout] | [INFO] [stdout] 25 | type Output = ( $( $from ,)* T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 61 | / for_each_prefix!{ [INFO] [stdout] 62 | | tuple_impl, [INFO] [stdout] 63 | | [], [INFO] [stdout] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stdout] 65 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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 parentheses around type [INFO] [stdout] --> src/lib.rs:29:38 [INFO] [stdout] | [INFO] [stdout] 29 | fn append(self, x: T) -> ( $( $from ,)* T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 61 | / for_each_prefix!{ [INFO] [stdout] 62 | | tuple_impl, [INFO] [stdout] 63 | | [], [INFO] [stdout] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stdout] 65 | | } [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "42f812c85c0b20c453801c10a41f560712ce4246bbf7e7fa81a6fdfc2581cc2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f812c85c0b20c453801c10a41f560712ce4246bbf7e7fa81a6fdfc2581cc2d", kill_on_drop: false }` [INFO] [stdout] 42f812c85c0b20c453801c10a41f560712ce4246bbf7e7fa81a6fdfc2581cc2d