[INFO] crate sfink_callgraph_traversal 0.1.0 is already in cache
[INFO] testing sfink_callgraph_traversal-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate sfink_callgraph_traversal 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sfink_callgraph_traversal 0.1.0 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 sfink_callgraph_traversal 0.1.0
[INFO] finished tweaking crates.io crate sfink_callgraph_traversal 0.1.0
[INFO] tweaked toml for crates.io crate sfink_callgraph_traversal 0.1.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] ad8a84aad288fa7bc36335fe155527f103e66ebd84d74656211c7e27674d41ba
[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" "ad8a84aad288fa7bc36335fe155527f103e66ebd84d74656211c7e27674d41ba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling python27-sys v0.1.2
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling sfink_callgraph_traversal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum DescriptionBrevity {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Matcher`
[INFO] [stderr]   --> src/callgraph.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Matcher<'a> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/callgraph.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_match`
[INFO] [stderr]   --> src/callgraph.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/callgraph.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `"docker" "inspect" "ad8a84aad288fa7bc36335fe155527f103e66ebd84d74656211c7e27674d41ba"`
[INFO] running `"docker" "rm" "-f" "ad8a84aad288fa7bc36335fe155527f103e66ebd84d74656211c7e27674d41ba"`
[INFO] [stdout] ad8a84aad288fa7bc36335fe155527f103e66ebd84d74656211c7e27674d41ba
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] dcd7a998d89f80213f9c77adf3c8f17c69f6d4719be74bd04ad553ccb3cb136c
[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" "dcd7a998d89f80213f9c77adf3c8f17c69f6d4719be74bd04ad553ccb3cb136c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sfink_callgraph_traversal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum DescriptionBrevity {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Matcher`
[INFO] [stderr]   --> src/callgraph.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Matcher<'a> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/callgraph.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_match`
[INFO] [stderr]   --> src/callgraph.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/callgraph.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum DescriptionBrevity {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Matcher`
[INFO] [stderr]   --> src/callgraph.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Matcher<'a> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/callgraph.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_match`
[INFO] [stderr]   --> src/callgraph.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/callgraph.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `"docker" "inspect" "dcd7a998d89f80213f9c77adf3c8f17c69f6d4719be74bd04ad553ccb3cb136c"`
[INFO] running `"docker" "rm" "-f" "dcd7a998d89f80213f9c77adf3c8f17c69f6d4719be74bd04ad553ccb3cb136c"`
[INFO] [stdout] dcd7a998d89f80213f9c77adf3c8f17c69f6d4719be74bd04ad553ccb3cb136c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] beb65ed88a44f42d5ee88ce5fc264169177423a3df193f6e42720186aa4acb4c
[INFO] running `"docker" "start" "-a" "beb65ed88a44f42d5ee88ce5fc264169177423a3df193f6e42720186aa4acb4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum DescriptionBrevity {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Matcher`
[INFO] [stderr]   --> src/callgraph.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Matcher<'a> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/callgraph.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_match`
[INFO] [stderr]   --> src/callgraph.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/callgraph.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / py_class!(class HazGraph |py| {
[INFO] [stderr] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stderr] 87 | | });
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum DescriptionBrevity {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Matcher`
[INFO] [stderr]   --> src/callgraph.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Matcher<'a> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/callgraph.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_match`
[INFO] [stderr]   --> src/callgraph.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/callgraph.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hazgraph-95f662836bd5b27b
[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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cgtraverse-9655b2251e394ee6
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests hazgraph
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "beb65ed88a44f42d5ee88ce5fc264169177423a3df193f6e42720186aa4acb4c"`
[INFO] running `"docker" "rm" "-f" "beb65ed88a44f42d5ee88ce5fc264169177423a3df193f6e42720186aa4acb4c"`
[INFO] [stdout] beb65ed88a44f42d5ee88ce5fc264169177423a3df193f6e42720186aa4acb4c