[INFO] updating cached repository bpostlethwaite/r3bar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bpostlethwaite/r3bar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bpostlethwaite/r3bar" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bpostlethwaite/r3bar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bpostlethwaite/r3bar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bpostlethwaite/r3bar" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bpostlethwaite/r3bar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bpostlethwaite/r3bar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12b10a0cb2d87c4464c6ce80efeb79d6e407c634
[INFO] sha for GitHub repo bpostlethwaite/r3bar: 12b10a0cb2d87c4464c6ce80efeb79d6e407c634
[INFO] validating manifest of bpostlethwaite/r3bar on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bpostlethwaite/r3bar on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bpostlethwaite/r3bar
[INFO] finished frobbing bpostlethwaite/r3bar
[INFO] frobbed toml for bpostlethwaite/r3bar written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bpostlethwaite/r3bar/Cargo.toml
[INFO] started frobbing bpostlethwaite/r3bar
[INFO] finished frobbing bpostlethwaite/r3bar
[INFO] frobbed toml for bpostlethwaite/r3bar written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bpostlethwaite/r3bar/Cargo.toml
[INFO] crate bpostlethwaite/r3bar already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bpostlethwaite/r3bar against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bpostlethwaite/r3bar:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdbc99eb008070209d2c2298bc0848e51580a899aa1e54675cee7141d730ed45
[INFO] running `"docker" "start" "-a" "cdbc99eb008070209d2c2298bc0848e51580a899aa1e54675cee7141d730ed45"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-complex v0.1.36
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking petgraph v0.2.9
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.9/src/graph.rs:421:17
[INFO] [stderr]     |
[INFO] [stderr] 421 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stderr]     |                 ^^^^^^^ multiple `max` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `graph::IndexType`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.9/src/graph.rs:31:5
[INFO] [stderr]     |
[INFO] [stderr] 31  |     fn max() -> Self;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `graph::IndexType::max(...)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::cmp::Ord`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::cmp::Ord::max(...)` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.9/src/graph.rs:458:17
[INFO] [stderr]     |
[INFO] [stderr] 458 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stderr]     |                 ^^^^^^^ multiple `max` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `graph::IndexType`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.9/src/graph.rs:31:5
[INFO] [stderr]     |
[INFO] [stderr] 31  |     fn max() -> Self;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `graph::IndexType::max(...)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::cmp::Ord`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::cmp::Ord::max(...)` instead
[INFO] [stderr] 
[INFO] [stderr]     Checking unix_socket v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `petgraph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cdbc99eb008070209d2c2298bc0848e51580a899aa1e54675cee7141d730ed45"`
[INFO] running `"docker" "rm" "-f" "cdbc99eb008070209d2c2298bc0848e51580a899aa1e54675cee7141d730ed45"`
[INFO] [stdout] cdbc99eb008070209d2c2298bc0848e51580a899aa1e54675cee7141d730ed45