[INFO] fetching crate tuple_utils 0.3.0...
[INFO] testing tuple_utils-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tuple_utils 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tuple_utils 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f72bb46497192b08b056e254fc8f6c23393731a6590443a09ca8dbdb4a4cfdf6
[INFO] running `"docker" "start" "-a" "f72bb46497192b08b056e254fc8f6c23393731a6590443a09ca8dbdb4a4cfdf6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tuple_utils v0.3.0 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "f72bb46497192b08b056e254fc8f6c23393731a6590443a09ca8dbdb4a4cfdf6"`
[INFO] running `"docker" "rm" "-f" "f72bb46497192b08b056e254fc8f6c23393731a6590443a09ca8dbdb4a4cfdf6"`
[INFO] [stdout] f72bb46497192b08b056e254fc8f6c23393731a6590443a09ca8dbdb4a4cfdf6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c718dd1f14f6a8667a0ca2d46677b936ce733fd7a1dff7fffd7614658ba56d8e
[INFO] running `"docker" "start" "-a" "c718dd1f14f6a8667a0ca2d46677b936ce733fd7a1dff7fffd7614658ba56d8e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tuple_utils v0.3.0 (/opt/rustwide/workdir)
[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] 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 1.48s
[INFO] running `"docker" "inspect" "c718dd1f14f6a8667a0ca2d46677b936ce733fd7a1dff7fffd7614658ba56d8e"`
[INFO] running `"docker" "rm" "-f" "c718dd1f14f6a8667a0ca2d46677b936ce733fd7a1dff7fffd7614658ba56d8e"`
[INFO] [stdout] c718dd1f14f6a8667a0ca2d46677b936ce733fd7a1dff7fffd7614658ba56d8e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8162a0b0368831c12e3b892258931db7b65a123a0b93172bfcf1032a7197b240
[INFO] running `"docker" "start" "-a" "8162a0b0368831c12e3b892258931db7b65a123a0b93172bfcf1032a7197b240"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuple_utils-bf7a0693316cf908
[INFO] [stderr]    Doc-tests tuple_utils
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::append ... ok
[INFO] [stdout] test test::merge ... ok
[INFO] [stdout] test test::split ... ok
[INFO] [stdout] test test::prepend ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `"docker" "inspect" "8162a0b0368831c12e3b892258931db7b65a123a0b93172bfcf1032a7197b240"`
[INFO] running `"docker" "rm" "-f" "8162a0b0368831c12e3b892258931db7b65a123a0b93172bfcf1032a7197b240"`
[INFO] [stdout] 8162a0b0368831c12e3b892258931db7b65a123a0b93172bfcf1032a7197b240