[INFO] updating cached repository bjrnt/fractals
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bjrnt/fractals
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bjrnt/fractals" "work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bjrnt/fractals" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bjrnt/fractals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bjrnt/fractals'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f1752cd122c5ecdbc385d6920442e8331098071
[INFO] sha for GitHub repo bjrnt/fractals: 2f1752cd122c5ecdbc385d6920442e8331098071
[INFO] validating manifest of bjrnt/fractals 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 bjrnt/fractals 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 bjrnt/fractals
[INFO] finished frobbing bjrnt/fractals
[INFO] frobbed toml for bjrnt/fractals written to work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals/Cargo.toml
[INFO] started frobbing bjrnt/fractals
[INFO] finished frobbing bjrnt/fractals
[INFO] frobbed toml for bjrnt/fractals written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bjrnt/fractals/Cargo.toml
[INFO] crate bjrnt/fractals 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 bjrnt/fractals 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals:/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] 5962ac903183b9dadae610754f2e5fa0621de4764897f8565505031cf878908f
[INFO] running `"docker" "start" "-a" "5962ac903183b9dadae610754f2e5fa0621de4764897f8565505031cf878908f"`
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling image v0.12.2
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Linear`
[INFO] [stderr]   --> src/animation.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Linear,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `easing`
[INFO] [stderr]   --> src/animation.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     easing: Easing
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.33s
[INFO] running `"docker" "inspect" "5962ac903183b9dadae610754f2e5fa0621de4764897f8565505031cf878908f"`
[INFO] running `"docker" "rm" "-f" "5962ac903183b9dadae610754f2e5fa0621de4764897f8565505031cf878908f"`
[INFO] [stdout] 5962ac903183b9dadae610754f2e5fa0621de4764897f8565505031cf878908f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals:/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] 776ef86add1bc1be3f6e6a9eb763fbeb80d064eb6fb649713a8a6201315cfe2d
[INFO] running `"docker" "start" "-a" "776ef86add1bc1be3f6e6a9eb763fbeb80d064eb6fb649713a8a6201315cfe2d"`
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Linear`
[INFO] [stderr]   --> src/animation.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Linear,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `easing`
[INFO] [stderr]   --> src/animation.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     easing: Easing
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "776ef86add1bc1be3f6e6a9eb763fbeb80d064eb6fb649713a8a6201315cfe2d"`
[INFO] running `"docker" "rm" "-f" "776ef86add1bc1be3f6e6a9eb763fbeb80d064eb6fb649713a8a6201315cfe2d"`
[INFO] [stdout] 776ef86add1bc1be3f6e6a9eb763fbeb80d064eb6fb649713a8a6201315cfe2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bjrnt/fractals:/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] 3730908eb27883c742b9775797c923cae372c1efb1896793b9bfa38271d2d210
[INFO] running `"docker" "start" "-a" "3730908eb27883c742b9775797c923cae372c1efb1896793b9bfa38271d2d210"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fractals-c423934ebf95a9e1
[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" "3730908eb27883c742b9775797c923cae372c1efb1896793b9bfa38271d2d210"`
[INFO] running `"docker" "rm" "-f" "3730908eb27883c742b9775797c923cae372c1efb1896793b9bfa38271d2d210"`
[INFO] [stdout] 3730908eb27883c742b9775797c923cae372c1efb1896793b9bfa38271d2d210