[INFO] crate matrixgraph 0.1.0 is already in cache
[INFO] extracting crate matrixgraph 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/matrixgraph/0.1.0
[INFO] extracting crate matrixgraph 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matrixgraph/0.1.0
[INFO] validating manifest of matrixgraph-0.1.0 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 matrixgraph-0.1.0 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 matrixgraph-0.1.0
[INFO] finished frobbing matrixgraph-0.1.0
[INFO] frobbed toml for matrixgraph-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/matrixgraph/0.1.0/Cargo.toml
[INFO] started frobbing matrixgraph-0.1.0
[INFO] finished frobbing matrixgraph-0.1.0
[INFO] frobbed toml for matrixgraph-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matrixgraph/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing matrixgraph-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/matrixgraph/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c0f6447bcedaff6944c25174ff8f0a884588d5c6be7496cab158e208f23b6f44
[INFO] running `"docker" "start" "-a" "c0f6447bcedaff6944c25174ff8f0a884588d5c6be7496cab158e208f23b6f44"`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "c0f6447bcedaff6944c25174ff8f0a884588d5c6be7496cab158e208f23b6f44"`
[INFO] running `"docker" "rm" "-f" "c0f6447bcedaff6944c25174ff8f0a884588d5c6be7496cab158e208f23b6f44"`
[INFO] [stdout] c0f6447bcedaff6944c25174ff8f0a884588d5c6be7496cab158e208f23b6f44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/matrixgraph/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2faecd6965e60d0f8b8d38fcf3adaa04d0947a47a6c904e72512a667c4a12680
[INFO] running `"docker" "start" "-a" "2faecd6965e60d0f8b8d38fcf3adaa04d0947a47a6c904e72512a667c4a12680"`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/simple_graph.rs:217:33
[INFO] [stderr]     |
[INFO] [stderr] 217 |         g.set_edge((1, 1), Some((1.0f64)));
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:48:9
[INFO] [stderr]     |
[INFO] [stderr] 48  | #![deny(unused_parens)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "2faecd6965e60d0f8b8d38fcf3adaa04d0947a47a6c904e72512a667c4a12680"`
[INFO] running `"docker" "rm" "-f" "2faecd6965e60d0f8b8d38fcf3adaa04d0947a47a6c904e72512a667c4a12680"`
[INFO] [stdout] 2faecd6965e60d0f8b8d38fcf3adaa04d0947a47a6c904e72512a667c4a12680
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/matrixgraph/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d7e7303169a4eaef00e968e69766487a778bec2ca7d4258f81495faa3cada9bc
[INFO] running `"docker" "start" "-a" "d7e7303169a4eaef00e968e69766487a778bec2ca7d4258f81495faa3cada9bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matrixgraph-8ff9e7a585b5af33
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test digraph::test::test_graph_construction_3 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_1 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_1 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_5 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_6 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_3 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_2 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_4 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_7 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_2 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrixgraph
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d7e7303169a4eaef00e968e69766487a778bec2ca7d4258f81495faa3cada9bc"`
[INFO] running `"docker" "rm" "-f" "d7e7303169a4eaef00e968e69766487a778bec2ca7d4258f81495faa3cada9bc"`
[INFO] [stdout] d7e7303169a4eaef00e968e69766487a778bec2ca7d4258f81495faa3cada9bc