[INFO] updating cached repository ytterbiumSoftware/polynomial-renderer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ytterbiumSoftware/polynomial-renderer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ytterbiumSoftware/polynomial-renderer" "work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ytterbiumSoftware/polynomial-renderer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ytterbiumSoftware/polynomial-renderer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ytterbiumSoftware/polynomial-renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9e7a8cb8f73b4844d405aca2913b4e615d20cf9
[INFO] sha for GitHub repo ytterbiumSoftware/polynomial-renderer: b9e7a8cb8f73b4844d405aca2913b4e615d20cf9
[INFO] validating manifest of ytterbiumSoftware/polynomial-renderer on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ytterbiumSoftware/polynomial-renderer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ytterbiumSoftware/polynomial-renderer
[INFO] finished frobbing ytterbiumSoftware/polynomial-renderer
[INFO] frobbed toml for ytterbiumSoftware/polynomial-renderer written to work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer/Cargo.toml
[INFO] started frobbing ytterbiumSoftware/polynomial-renderer
[INFO] finished frobbing ytterbiumSoftware/polynomial-renderer
[INFO] frobbed toml for ytterbiumSoftware/polynomial-renderer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ytterbiumSoftware/polynomial-renderer/Cargo.toml
[INFO] crate ytterbiumSoftware/polynomial-renderer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ytterbiumSoftware/polynomial-renderer against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3dd404fc836ae6a0648cf1df8a1de3afea67ec317c1e6199f2940ab38ccbcc17
[INFO] running `"docker" "start" "-a" "3dd404fc836ae6a0648cf1df8a1de3afea67ec317c1e6199f2940ab38ccbcc17"`
[INFO] [stderr]    Compiling polynomial-renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `interpolate`
[INFO] [stderr]   --> src/main.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn interpolate<V: Into<Vector2f>>(factor: f32, a: V, b: V) -> Vertex {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "3dd404fc836ae6a0648cf1df8a1de3afea67ec317c1e6199f2940ab38ccbcc17"`
[INFO] running `"docker" "rm" "-f" "3dd404fc836ae6a0648cf1df8a1de3afea67ec317c1e6199f2940ab38ccbcc17"`
[INFO] [stdout] 3dd404fc836ae6a0648cf1df8a1de3afea67ec317c1e6199f2940ab38ccbcc17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9f4ed676a9e4266c7e83b4ab37e8d0b4cacf857c8d0a13a944b6ea5c81d7f839
[INFO] running `"docker" "start" "-a" "9f4ed676a9e4266c7e83b4ab37e8d0b4cacf857c8d0a13a944b6ea5c81d7f839"`
[INFO] [stderr]    Compiling polynomial-renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `interpolate`
[INFO] [stderr]   --> src/main.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn interpolate<V: Into<Vector2f>>(factor: f32, a: V, b: V) -> Vertex {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "9f4ed676a9e4266c7e83b4ab37e8d0b4cacf857c8d0a13a944b6ea5c81d7f839"`
[INFO] running `"docker" "rm" "-f" "9f4ed676a9e4266c7e83b4ab37e8d0b4cacf857c8d0a13a944b6ea5c81d7f839"`
[INFO] [stdout] 9f4ed676a9e4266c7e83b4ab37e8d0b4cacf857c8d0a13a944b6ea5c81d7f839
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ytterbiumSoftware/polynomial-renderer:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 783b2bdcf9de3d019fdadebee48a95a1dd4681e9d6b42ec820753ab0c227ce66
[INFO] running `"docker" "start" "-a" "783b2bdcf9de3d019fdadebee48a95a1dd4681e9d6b42ec820753ab0c227ce66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polynomial_renderer-6b61558f924ce4ac
[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" "783b2bdcf9de3d019fdadebee48a95a1dd4681e9d6b42ec820753ab0c227ce66"`
[INFO] running `"docker" "rm" "-f" "783b2bdcf9de3d019fdadebee48a95a1dd4681e9d6b42ec820753ab0c227ce66"`
[INFO] [stdout] 783b2bdcf9de3d019fdadebee48a95a1dd4681e9d6b42ec820753ab0c227ce66