[INFO] updating cached repository fschutt/dithering-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fschutt/dithering-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/dithering-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/dithering-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/dithering-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/dithering-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 225d6d55f8d7e54354b71c73db90b5442c7a09ff
[INFO] sha for GitHub repo fschutt/dithering-example: 225d6d55f8d7e54354b71c73db90b5442c7a09ff
[INFO] validating manifest of fschutt/dithering-example 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 fschutt/dithering-example 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 fschutt/dithering-example
[INFO] finished frobbing fschutt/dithering-example
[INFO] frobbed toml for fschutt/dithering-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/dithering-example/Cargo.toml
[INFO] started frobbing fschutt/dithering-example
[INFO] finished frobbing fschutt/dithering-example
[INFO] frobbed toml for fschutt/dithering-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example/Cargo.toml
[INFO] crate fschutt/dithering-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fschutt/dithering-example 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example:/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] 56ed0c198c224a49637b1e7a799f86c5677592f094076e26f8d2395a891b4bb2
[INFO] running `"docker" "start" "-a" "56ed0c198c224a49637b1e7a799f86c5677592f094076e26f8d2395a891b4bb2"`
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling glium v0.17.1
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling dithertest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "56ed0c198c224a49637b1e7a799f86c5677592f094076e26f8d2395a891b4bb2"`
[INFO] running `"docker" "rm" "-f" "56ed0c198c224a49637b1e7a799f86c5677592f094076e26f8d2395a891b4bb2"`
[INFO] [stdout] 56ed0c198c224a49637b1e7a799f86c5677592f094076e26f8d2395a891b4bb2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example:/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] 709d411aa2e9a2c117eb8aabe50175c13444335b7f823bef1116153449563033
[INFO] running `"docker" "start" "-a" "709d411aa2e9a2c117eb8aabe50175c13444335b7f823bef1116153449563033"`
[INFO] [stderr]    Compiling dithertest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "709d411aa2e9a2c117eb8aabe50175c13444335b7f823bef1116153449563033"`
[INFO] running `"docker" "rm" "-f" "709d411aa2e9a2c117eb8aabe50175c13444335b7f823bef1116153449563033"`
[INFO] [stdout] 709d411aa2e9a2c117eb8aabe50175c13444335b7f823bef1116153449563033
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/dithering-example:/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] 992b024c3881eb86586f5e15f0559fe788e80bba47c3bc165f93cb4443d4082d
[INFO] running `"docker" "start" "-a" "992b024c3881eb86586f5e15f0559fe788e80bba47c3bc165f93cb4443d4082d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dithertest-718b016b0a57e6d9
[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" "992b024c3881eb86586f5e15f0559fe788e80bba47c3bc165f93cb4443d4082d"`
[INFO] running `"docker" "rm" "-f" "992b024c3881eb86586f5e15f0559fe788e80bba47c3bc165f93cb4443d4082d"`
[INFO] [stdout] 992b024c3881eb86586f5e15f0559fe788e80bba47c3bc165f93cb4443d4082d