[INFO] crate xstd 0.2.0 is already in cache
[INFO] testing xstd-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate xstd 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xstd 0.2.0 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 xstd 0.2.0
[INFO] finished tweaking crates.io crate xstd 0.2.0
[INFO] tweaked toml for crates.io crate xstd 0.2.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cb7a34c94f2272d6c16b1bafc97e10dd139fcbc23e53a9c986290f943dc33409
[INFO] running `"docker" "start" "-a" "cb7a34c94f2272d6c16b1bafc97e10dd139fcbc23e53a9c986290f943dc33409"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling xstd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait IntersperseIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #! [deny(missing_docs)]
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn intersperse(self, elem: Self::Item) -> IntersperseIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         IntersperseIter::new(self, elem)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/memento_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait MementoIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/memento_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn memento(self) -> MementoIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         MementoIter::new(self)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn unlines(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn unwords(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/dynamic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_instance_of<T: ?Sized + Any>(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "cb7a34c94f2272d6c16b1bafc97e10dd139fcbc23e53a9c986290f943dc33409"`
[INFO] running `"docker" "rm" "-f" "cb7a34c94f2272d6c16b1bafc97e10dd139fcbc23e53a9c986290f943dc33409"`
[INFO] [stdout] cb7a34c94f2272d6c16b1bafc97e10dd139fcbc23e53a9c986290f943dc33409
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 126086ddf3f70dd71449e9a61ad80a3d266b2198b80a70f4e09c25a7067e4951
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "126086ddf3f70dd71449e9a61ad80a3d266b2198b80a70f4e09c25a7067e4951"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait IntersperseIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #! [deny(missing_docs)]
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn intersperse(self, elem: Self::Item) -> IntersperseIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         IntersperseIter::new(self, elem)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/memento_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait MementoIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/memento_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn memento(self) -> MementoIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         MementoIter::new(self)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn unlines(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn unwords(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/dynamic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_instance_of<T: ?Sized + Any>(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling xstd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `"docker" "inspect" "126086ddf3f70dd71449e9a61ad80a3d266b2198b80a70f4e09c25a7067e4951"`
[INFO] running `"docker" "rm" "-f" "126086ddf3f70dd71449e9a61ad80a3d266b2198b80a70f4e09c25a7067e4951"`
[INFO] [stdout] 126086ddf3f70dd71449e9a61ad80a3d266b2198b80a70f4e09c25a7067e4951
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c62a60cdd4aa5893aa636a1a544baef9ae6a908fd0a9237de5ff4ccd1456dfa9
[INFO] running `"docker" "start" "-a" "c62a60cdd4aa5893aa636a1a544baef9ae6a908fd0a9237de5ff4ccd1456dfa9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait IntersperseIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #! [deny(missing_docs)]
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/intersperse_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn intersperse(self, elem: Self::Item) -> IntersperseIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         IntersperseIter::new(self, elem)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]  --> src/iter/memento_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait MementoIterAdapter: Iterator {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]  --> src/iter/memento_iter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     fn memento(self) -> MementoIter<Self>
[INFO] [stderr] 3 | |     where
[INFO] [stderr] 4 | |         Self: Sized,
[INFO] [stderr] 5 | |         Self::Item: Clone,
[INFO] [stderr] 6 | |     {
[INFO] [stderr] 7 | |         MementoIter::new(self)
[INFO] [stderr] 8 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn unlines(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/vec.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn unwords(&self) -> String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/dynamic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_instance_of<T: ?Sized + Any>(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xstd-accf989f77a192fb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test iter::intersperse_iter::tests::intersperse_between_elements ... ok
[INFO] [stdout] test iter::intersperse_iter::tests::keep_empty_iter_empty ... ok
[INFO] [stdout] test iter::memento_iter::tests::a ... ok
[INFO] [stdout] test iter::intersperse_iter::tests::keep_singleton_iter_singleton ... ok
[INFO] [stderr]    Doc-tests xstd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - prelude (line 23) ... ok
[INFO] [stdout] test src/vec.rs - vec::Unlines (line 7) ... ok
[INFO] [stdout] test src/iter/memento_iter.rs - iter::memento_iter::MementoIter (line 17) ... ok
[INFO] [stdout] test src/macros.rs - ifte (line 4) ... ok
[INFO] [stdout] test src/dynamic.rs - dynamic::IsInstanceOf (line 7) ... ok
[INFO] [stdout] test src/iter/intersperse_iter.rs - iter::intersperse_iter::IntersperseIter (line 16) ... ok
[INFO] [stdout] test src/vec.rs - vec::Unwords (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c62a60cdd4aa5893aa636a1a544baef9ae6a908fd0a9237de5ff4ccd1456dfa9"`
[INFO] running `"docker" "rm" "-f" "c62a60cdd4aa5893aa636a1a544baef9ae6a908fd0a9237de5ff4ccd1456dfa9"`
[INFO] [stdout] c62a60cdd4aa5893aa636a1a544baef9ae6a908fd0a9237de5ff4ccd1456dfa9