[INFO] updating cached repository PSeitz/traffic_sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PSeitz/traffic_sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PSeitz/traffic_sim" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/PSeitz/traffic_sim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/PSeitz/traffic_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PSeitz/traffic_sim" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/PSeitz/traffic_sim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/PSeitz/traffic_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa7aa662f377a5ee745e201e9b592786faff23e6
[INFO] sha for GitHub repo PSeitz/traffic_sim: aa7aa662f377a5ee745e201e9b592786faff23e6
[INFO] validating manifest of PSeitz/traffic_sim on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PSeitz/traffic_sim on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PSeitz/traffic_sim
[INFO] finished frobbing PSeitz/traffic_sim
[INFO] frobbed toml for PSeitz/traffic_sim written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/PSeitz/traffic_sim/Cargo.toml
[INFO] started frobbing PSeitz/traffic_sim
[INFO] finished frobbing PSeitz/traffic_sim
[INFO] frobbed toml for PSeitz/traffic_sim written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/PSeitz/traffic_sim/Cargo.toml
[INFO] crate PSeitz/traffic_sim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking PSeitz/traffic_sim against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-5/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/PSeitz/traffic_sim:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9005d14a7cbc5e21942d22c9f6b3c5c321b145692b351da409d0b416ba30b7bb
[INFO] running `"docker" "start" "-a" "9005d14a7cbc5e21942d22c9f6b3c5c321b145692b351da409d0b416ba30b7bb"`
[INFO] [stderr]     Checking petgraph v0.4.11
[INFO] [stderr]     Checking sid v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking alga v0.5.2
[INFO] [stderr]     Checking euclid v0.15.6
[INFO] [stderr]     Checking svgparser v0.4.3
[INFO] [stderr]     Checking alsa-sys v0.1.1
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]    Compiling smart-default v0.2.0
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking rusttype v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking cpal v0.4.6
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1173:19
[INFO] [stderr]      |
[INFO] [stderr] 1173 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1365:19
[INFO] [stderr]      |
[INFO] [stderr] 1365 |         self.iter.find_map(|(i, edge)|
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1529:19
[INFO] [stderr]      |
[INFO] [stderr] 1529 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1575:19
[INFO] [stderr]      |
[INFO] [stderr] 1575 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr] 
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr] error: aborting due to 4 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" "9005d14a7cbc5e21942d22c9f6b3c5c321b145692b351da409d0b416ba30b7bb"`
[INFO] running `"docker" "rm" "-f" "9005d14a7cbc5e21942d22c9f6b3c5c321b145692b351da409d0b416ba30b7bb"`
[INFO] [stdout] 9005d14a7cbc5e21942d22c9f6b3c5c321b145692b351da409d0b416ba30b7bb