[INFO] crate sfink_callgraph_traversal 0.1.0 is already in cache
[INFO] extracting crate sfink_callgraph_traversal 0.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/sfink_callgraph_traversal/0.1.0
[INFO] extracting crate sfink_callgraph_traversal 0.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/sfink_callgraph_traversal/0.1.0
[INFO] validating manifest of sfink_callgraph_traversal-0.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sfink_callgraph_traversal-0.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sfink_callgraph_traversal-0.1.0
[INFO] finished frobbing sfink_callgraph_traversal-0.1.0
[INFO] frobbed toml for sfink_callgraph_traversal-0.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/sfink_callgraph_traversal/0.1.0/Cargo.toml
[INFO] started frobbing sfink_callgraph_traversal-0.1.0
[INFO] finished frobbing sfink_callgraph_traversal-0.1.0
[INFO] frobbed toml for sfink_callgraph_traversal-0.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/sfink_callgraph_traversal/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sfink_callgraph_traversal-0.1.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/sfink_callgraph_traversal/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 27b5171fd05d25dbe16733eecb4a78d9f7f795a3ac70cd6868e92cca24ded663
[INFO] running `"docker" "start" "-a" "27b5171fd05d25dbe16733eecb4a78d9f7f795a3ac70cd6868e92cca24ded663"`
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling python27-sys v0.1.2
[INFO] [stderr]     Checking sfink_callgraph_traversal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:1
[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:45:1
[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: enum is never used: `DescriptionBrevity`
[INFO] [stderr]   --> src/callgraph.rs:28:1
[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:45:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 20.63s
[INFO] running `"docker" "inspect" "27b5171fd05d25dbe16733eecb4a78d9f7f795a3ac70cd6868e92cca24ded663"`
[INFO] running `"docker" "rm" "-f" "27b5171fd05d25dbe16733eecb4a78d9f7f795a3ac70cd6868e92cca24ded663"`
[INFO] [stdout] 27b5171fd05d25dbe16733eecb4a78d9f7f795a3ac70cd6868e92cca24ded663