[INFO] fetching crate hg-cpython 0.0.1...
[INFO] testing hg-cpython-0.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate hg-cpython 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hg-cpython 0.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hg-cpython 0.0.1
[INFO] finished tweaking crates.io crate hg-cpython 0.0.1
[INFO] tweaked toml for crates.io crate hg-cpython 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1.44.0" "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] ad0c02cd0057997fe9133a53d797b664c34673c4464544449d72821d5e58790c
[INFO] running `"docker" "start" "-a" "ad0c02cd0057997fe9133a53d797b664c34673c4464544449d72821d5e58790c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]    Compiling hg-core v0.0.1
[INFO] [stderr]    Compiling python27-sys v0.2.1
[INFO] [stderr]    Compiling hg-cpython v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `"docker" "inspect" "ad0c02cd0057997fe9133a53d797b664c34673c4464544449d72821d5e58790c"`
[INFO] running `"docker" "rm" "-f" "ad0c02cd0057997fe9133a53d797b664c34673c4464544449d72821d5e58790c"`
[INFO] [stdout] ad0c02cd0057997fe9133a53d797b664c34673c4464544449d72821d5e58790c
[INFO] running `"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" "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" "+1.44.0" "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] 967835b80b07886acc8c56a39f3be614f4a565118fbea9bf826a8604a479896d
[INFO] running `"docker" "start" "-a" "967835b80b07886acc8c56a39f3be614f4a565118fbea9bf826a8604a479896d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hg-cpython v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `"docker" "inspect" "967835b80b07886acc8c56a39f3be614f4a565118fbea9bf826a8604a479896d"`
[INFO] running `"docker" "rm" "-f" "967835b80b07886acc8c56a39f3be614f4a565118fbea9bf826a8604a479896d"`
[INFO] [stdout] 967835b80b07886acc8c56a39f3be614f4a565118fbea9bf826a8604a479896d
[INFO] running `"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" "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" "+1.44.0" "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] e3b75b7758550fe0f101398ba9722f2b4a314e985a20d93435fc0e0b98a2d9fb
[INFO] running `"docker" "start" "-a" "e3b75b7758550fe0f101398ba9722f2b4a314e985a20d93435fc0e0b98a2d9fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ancestors.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / py_class!(pub class AncestorsIterator |py| {
[INFO] [stderr] 53 | |     data inner: RefCell<Box<CoreIterator<Index>>>;
[INFO] [stderr] 54 | |
[INFO] [stderr] 55 | |     def __next__(&self) -> PyResult<Option<Revision>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |
[INFO] [stderr] 85 | | });
[INFO] [stderr]    | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:93:1
[INFO] [stderr]     |
[INFO] [stderr] 93  | / py_class!(pub class LazyAncestors |py| {
[INFO] [stderr] 94  | |     data inner: RefCell<Box<CoreLazy<Index>>>;
[INFO] [stderr] 95  | |
[INFO] [stderr] 96  | |     def __contains__(&self, rev: Revision) -> PyResult<bool> {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |
[INFO] [stderr] 122 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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] [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] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ancestors.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / py_class!(pub class MissingAncestors |py| {
[INFO] [stderr] 125 | |     data inner: RefCell<Box<CoreMissing<Index>>>;
[INFO] [stderr] 126 | |
[INFO] [stderr] 127 | |     def __new__(_cls, index: PyObject, bases: PyObject) -> PyResult<MissingAncestors> {
[INFO] [stderr] ...   |
[INFO] [stderr] 196 | |     }
[INFO] [stderr] 197 | | });
[INFO] [stderr]     | |___^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exceptions.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | py_exception!(rustext, GraphError, ValueError);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthg-04801086b342d900
[INFO] running `"docker" "inspect" "e3b75b7758550fe0f101398ba9722f2b4a314e985a20d93435fc0e0b98a2d9fb"`
[INFO] running `"docker" "rm" "-f" "e3b75b7758550fe0f101398ba9722f2b4a314e985a20d93435fc0e0b98a2d9fb"`
[INFO] [stdout] e3b75b7758550fe0f101398ba9722f2b4a314e985a20d93435fc0e0b98a2d9fb