[INFO] updating cached repository jstnlef/rustris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jstnlef/rustris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jstnlef/rustris" "work/ex/beta-1.38-1/sources/1.37.0/gh/jstnlef/rustris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jstnlef/rustris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jstnlef/rustris" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jstnlef/rustris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jstnlef/rustris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0133b9e43c22cf26f640da8e74cef9c365c5b7ad
[INFO] sha for GitHub repo jstnlef/rustris: 0133b9e43c22cf26f640da8e74cef9c365c5b7ad
[INFO] validating manifest of jstnlef/rustris on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jstnlef/rustris on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jstnlef/rustris
[INFO] finished frobbing jstnlef/rustris
[INFO] frobbed toml for jstnlef/rustris written to work/ex/beta-1.38-1/sources/1.37.0/gh/jstnlef/rustris/Cargo.toml
[INFO] started frobbing jstnlef/rustris
[INFO] finished frobbing jstnlef/rustris
[INFO] frobbed toml for jstnlef/rustris written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jstnlef/rustris/Cargo.toml
[INFO] crate jstnlef/rustris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jstnlef/rustris against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jstnlef/rustris:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4ced2893ebe1414add6a08d7c271b93f320ebc1668c501249fa880e6155c5731
[INFO] running `"docker" "start" "-a" "4ced2893ebe1414add6a08d7c271b93f320ebc1668c501249fa880e6155c5731"`
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.4.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling num-complex v0.1.36
[INFO] [stderr]    Compiling gif v0.9.1
[INFO] [stderr]    Compiling petgraph v0.2.9
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.1.37
[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]    Compiling tempfile v2.1.5
[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" "4ced2893ebe1414add6a08d7c271b93f320ebc1668c501249fa880e6155c5731"`
[INFO] running `"docker" "rm" "-f" "4ced2893ebe1414add6a08d7c271b93f320ebc1668c501249fa880e6155c5731"`
[INFO] [stdout] 4ced2893ebe1414add6a08d7c271b93f320ebc1668c501249fa880e6155c5731