[INFO] fetching crate sfink_callgraph_traversal 0.1.0...
[INFO] checking sfink_callgraph_traversal-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate sfink_callgraph_traversal 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sfink_callgraph_traversal 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a097d31f810f057f5db027807556f7b0cd99d1bdf46fdbb8dfa35e71653d5b88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a097d31f810f057f5db027807556f7b0cd99d1bdf46fdbb8dfa35e71653d5b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a097d31f810f057f5db027807556f7b0cd99d1bdf46fdbb8dfa35e71653d5b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a097d31f810f057f5db027807556f7b0cd99d1bdf46fdbb8dfa35e71653d5b88", kill_on_drop: false }`
[INFO] [stdout] a097d31f810f057f5db027807556f7b0cd99d1bdf46fdbb8dfa35e71653d5b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae54e9e6b324b969c2d78cd5861a1fde0167e784ea33939100cf610bada40b8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae54e9e6b324b969c2d78cd5861a1fde0167e784ea33939100cf610bada40b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling python27-sys v0.1.2
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking sfink_callgraph_traversal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / py_class!(class HazGraph |py| {
[INFO] [stdout] 28 | |     data callgraph: cell::RefCell<Callgraph>;
[INFO] [stdout] 29 | |
[INFO] [stdout] 30 | |     def __new__(_cls, filename: &str) -> PyResult<HazGraph> {
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     // Err(PyErr::new::<exc::TypeError, _>(py, "unimplemented"))
[INFO] [stdout] 87 | | });
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DescriptionBrevity`
[INFO] [stdout]   --> src/callgraph.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum DescriptionBrevity {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Matcher`
[INFO] [stdout]   --> src/callgraph.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Matcher<'a> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/callgraph.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_match`
[INFO] [stdout]   --> src/callgraph.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]    --> src/callgraph.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DescriptionBrevity`
[INFO] [stdout]   --> src/callgraph.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum DescriptionBrevity {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Matcher`
[INFO] [stdout]   --> src/callgraph.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Matcher<'a> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/callgraph.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new(pattern : &str) -> Option<Matcher> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_match`
[INFO] [stdout]   --> src/callgraph.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn is_match(&self, cg : &Callgraph, idx : NodeIndex) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]    --> src/callgraph.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn name(&self, idx : NodeIndex, brevity : DescriptionBrevity) -> String {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.26s
[INFO] running `Command { std: "docker" "inspect" "ae54e9e6b324b969c2d78cd5861a1fde0167e784ea33939100cf610bada40b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae54e9e6b324b969c2d78cd5861a1fde0167e784ea33939100cf610bada40b8f", kill_on_drop: false }`
[INFO] [stdout] ae54e9e6b324b969c2d78cd5861a1fde0167e784ea33939100cf610bada40b8f
