[INFO] updating cached repository tene/verlet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tene/verlet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tene/verlet" "work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tene/verlet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tene/verlet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tene/verlet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 420cc9ef73cb88d4c6dda278a08f9262557d7b38
[INFO] sha for GitHub repo tene/verlet: 420cc9ef73cb88d4c6dda278a08f9262557d7b38
[INFO] validating manifest of tene/verlet 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 tene/verlet 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 tene/verlet
[INFO] finished frobbing tene/verlet
[INFO] frobbed toml for tene/verlet written to work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet/Cargo.toml
[INFO] started frobbing tene/verlet
[INFO] finished frobbing tene/verlet
[INFO] frobbed toml for tene/verlet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tene/verlet/Cargo.toml
[INFO] crate tene/verlet 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tene/verlet 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet:/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] 6cfc024dd9b4f2e45a953520e07b297141c67bba2f0bcf6bc97951f2d59f9f12
[INFO] running `"docker" "start" "-a" "6cfc024dd9b4f2e45a953520e07b297141c67bba2f0bcf6bc97951f2d59f9f12"`
[INFO] [stderr]    Compiling nonzero_signed v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling specs-derive v0.3.0
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling pistoncore-input v0.23.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling hibitset v0.5.3
[INFO] [stderr]    Compiling shred v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling wayland-sys v0.21.7
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling pistoncore-window v0.34.0
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.39.0
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling wayland-commons v0.21.7
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling piston v0.39.0
[INFO] [stderr]    Compiling specs v0.14.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.4
[INFO] [stderr]    Compiling winit v0.18.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.4
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.34.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.51.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.54.0
[INFO] [stderr]    Compiling piston_window v0.85.0
[INFO] [stderr]    Compiling verlet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/main.rs:87:34
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn run(&mut self, (entities, cursor, positions, masses, mut accelerations): Self::SystemData) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_cursor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `"docker" "inspect" "6cfc024dd9b4f2e45a953520e07b297141c67bba2f0bcf6bc97951f2d59f9f12"`
[INFO] running `"docker" "rm" "-f" "6cfc024dd9b4f2e45a953520e07b297141c67bba2f0bcf6bc97951f2d59f9f12"`
[INFO] [stdout] 6cfc024dd9b4f2e45a953520e07b297141c67bba2f0bcf6bc97951f2d59f9f12
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet:/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] 9a3379dd78aac1ea758e19ebafdd9abf78d8626fa4ff95670527f4fe9f96fef1
[INFO] running `"docker" "start" "-a" "9a3379dd78aac1ea758e19ebafdd9abf78d8626fa4ff95670527f4fe9f96fef1"`
[INFO] [stderr]    Compiling verlet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/main.rs:87:34
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn run(&mut self, (entities, cursor, positions, masses, mut accelerations): Self::SystemData) {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_cursor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "9a3379dd78aac1ea758e19ebafdd9abf78d8626fa4ff95670527f4fe9f96fef1"`
[INFO] running `"docker" "rm" "-f" "9a3379dd78aac1ea758e19ebafdd9abf78d8626fa4ff95670527f4fe9f96fef1"`
[INFO] [stdout] 9a3379dd78aac1ea758e19ebafdd9abf78d8626fa4ff95670527f4fe9f96fef1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tene/verlet:/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] d5ceaf351aba82e0b9d0955e7251492548b2b9bf68e9000aafa2e46f33c22ad8
[INFO] running `"docker" "start" "-a" "d5ceaf351aba82e0b9d0955e7251492548b2b9bf68e9000aafa2e46f33c22ad8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/verlet-7ef24347118d4083
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d5ceaf351aba82e0b9d0955e7251492548b2b9bf68e9000aafa2e46f33c22ad8"`
[INFO] running `"docker" "rm" "-f" "d5ceaf351aba82e0b9d0955e7251492548b2b9bf68e9000aafa2e46f33c22ad8"`
[INFO] [stdout] d5ceaf351aba82e0b9d0955e7251492548b2b9bf68e9000aafa2e46f33c22ad8