[INFO] fetching crate tuple_utils 0.3.0... [INFO] testing tuple_utils-0.3.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate tuple_utils 0.3.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tuple_utils 0.3.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38234a8463cf2d8063d4221d2051e5fb9bb0dd34e221470cdd4338fc04686c5c [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" "38234a8463cf2d8063d4221d2051e5fb9bb0dd34e221470cdd4338fc04686c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38234a8463cf2d8063d4221d2051e5fb9bb0dd34e221470cdd4338fc04686c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38234a8463cf2d8063d4221d2051e5fb9bb0dd34e221470cdd4338fc04686c5c", kill_on_drop: false }` [INFO] [stdout] 38234a8463cf2d8063d4221d2051e5fb9bb0dd34e221470cdd4338fc04686c5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a518099d192035bbdef8c78a2641efabca9a2003fec2cce2952070c6ce00396 [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" "4a518099d192035bbdef8c78a2641efabca9a2003fec2cce2952070c6ce00396", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "4a518099d192035bbdef8c78a2641efabca9a2003fec2cce2952070c6ce00396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a518099d192035bbdef8c78a2641efabca9a2003fec2cce2952070c6ce00396", kill_on_drop: false }` [INFO] [stdout] 4a518099d192035bbdef8c78a2641efabca9a2003fec2cce2952070c6ce00396 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27109968c79d1dc3a0e451c3e6b7280d84d468b07043334b41e92e1dc8213a81 [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" "27109968c79d1dc3a0e451c3e6b7280d84d468b07043334b41e92e1dc8213a81", kill_on_drop: false }` [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] [stderr] Compiling tuple_utils v0.3.0 (/opt/rustwide/workdir) [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: 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `Command { std: "docker" "inspect" "27109968c79d1dc3a0e451c3e6b7280d84d468b07043334b41e92e1dc8213a81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27109968c79d1dc3a0e451c3e6b7280d84d468b07043334b41e92e1dc8213a81", kill_on_drop: false }` [INFO] [stdout] 27109968c79d1dc3a0e451c3e6b7280d84d468b07043334b41e92e1dc8213a81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b5fa3ad2e98e7e12cf6dbce547c0c0c6ce435cc25f84e8576e2c8269f2be7540 [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" "b5fa3ad2e98e7e12cf6dbce547c0c0c6ce435cc25f84e8576e2c8269f2be7540", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] running 4 tests [INFO] [stderr] --> src/lib.rs:25:27 [INFO] [stdout] test test::append ... ok [INFO] [stderr] | [INFO] [stdout] test test::prepend ... ok [INFO] [stderr] 25 | type Output = ( $( $from ,)* T); [INFO] [stdout] test test::merge ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] test test::split ... ok [INFO] [stderr] ... [INFO] [stdout] [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 62 | | tuple_impl, [INFO] [stdout] [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:29:38 [INFO] [stderr] | [INFO] [stderr] 29 | fn append(self, x: T) -> ( $( $from ,)* T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stderr] 62 | | tuple_impl, [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:25:27 [INFO] [stderr] | [INFO] [stderr] 25 | type Output = ( $( $from ,)* T); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stderr] 62 | | tuple_impl, [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:29:38 [INFO] [stderr] | [INFO] [stderr] 29 | fn append(self, x: T) -> ( $( $from ,)* T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stderr] 62 | | tuple_impl, [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tuple_utils-a244466d7a2db3d7 [INFO] [stderr] Doc-tests tuple_utils [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:25:27 [INFO] [stderr] | [INFO] [stderr] 25 | type Output = ( $( $from ,)* T); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stderr] 62 | | tuple_impl, [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:29:38 [INFO] [stderr] | [INFO] [stderr] 29 | fn append(self, x: T) -> ( $( $from ,)* T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 61 | / for_each_prefix!{ [INFO] [stderr] 62 | | tuple_impl, [INFO] [stderr] 63 | | [], [INFO] [stderr] 64 | | [(T0), (T1), (T2), (T3), (T4), (T5), (T6), (T7), (T8), (T9), (T10), (T11), (T12), (T13), (T14), (T15),] [INFO] [stderr] 65 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b5fa3ad2e98e7e12cf6dbce547c0c0c6ce435cc25f84e8576e2c8269f2be7540", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5fa3ad2e98e7e12cf6dbce547c0c0c6ce435cc25f84e8576e2c8269f2be7540", kill_on_drop: false }` [INFO] [stdout] b5fa3ad2e98e7e12cf6dbce547c0c0c6ce435cc25f84e8576e2c8269f2be7540