[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 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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 54f56cae76545f509122d0301a9aa52e3d380056a12e89301fcd29dc13033244
[INFO] running `"docker" "start" "-a" "54f56cae76545f509122d0301a9aa52e3d380056a12e89301fcd29dc13033244"`
[INFO] [stderr]    Compiling matrixgraph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "54f56cae76545f509122d0301a9aa52e3d380056a12e89301fcd29dc13033244"`
[INFO] running `"docker" "rm" "-f" "54f56cae76545f509122d0301a9aa52e3d380056a12e89301fcd29dc13033244"`
[INFO] [stdout] 54f56cae76545f509122d0301a9aa52e3d380056a12e89301fcd29dc13033244
[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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e438ea3c3976e22aa5103b44d0ac264de9aeebf74afe77b90a6987125f96b458
[INFO] running `"docker" "start" "-a" "e438ea3c3976e22aa5103b44d0ac264de9aeebf74afe77b90a6987125f96b458"`
[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 1.20s
[INFO] running `"docker" "inspect" "e438ea3c3976e22aa5103b44d0ac264de9aeebf74afe77b90a6987125f96b458"`
[INFO] running `"docker" "rm" "-f" "e438ea3c3976e22aa5103b44d0ac264de9aeebf74afe77b90a6987125f96b458"`
[INFO] [stdout] e438ea3c3976e22aa5103b44d0ac264de9aeebf74afe77b90a6987125f96b458
[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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0e6dfcf102d97ccc2c27b344ffc999d60cd1f9b72f718bc8eda425bdbf7026c4
[INFO] running `"docker" "start" "-a" "0e6dfcf102d97ccc2c27b344ffc999d60cd1f9b72f718bc8eda425bdbf7026c4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matrixgraph-cce6c41b2f3a4868
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test simple_graph::test::test_graph_construction_3 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_3 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_1 ... ok
[INFO] [stdout] test digraph::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_2 ... ok
[INFO] [stdout] test digraph::test::test_graph_construction_4 ... ok
[INFO] [stderr]    Doc-tests matrixgraph
[INFO] [stdout] test digraph::test::test_graph_construction_2 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_4 ... ok
[INFO] [stdout] test simple_graph::test::test_graph_construction_7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "0e6dfcf102d97ccc2c27b344ffc999d60cd1f9b72f718bc8eda425bdbf7026c4"`
[INFO] running `"docker" "rm" "-f" "0e6dfcf102d97ccc2c27b344ffc999d60cd1f9b72f718bc8eda425bdbf7026c4"`
[INFO] [stdout] 0e6dfcf102d97ccc2c27b344ffc999d60cd1f9b72f718bc8eda425bdbf7026c4