[INFO] updating cached repository demurgos/detect-desktop-environment
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/demurgos/detect-desktop-environment
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/demurgos/detect-desktop-environment" "work/ex/beta-1.37-6/sources/1.36.0/gh/demurgos/detect-desktop-environment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/demurgos/detect-desktop-environment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/demurgos/detect-desktop-environment" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/demurgos/detect-desktop-environment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/demurgos/detect-desktop-environment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6bcd24aca61957c9c4b8e18f058036fa33a2a7f
[INFO] sha for GitHub repo demurgos/detect-desktop-environment: d6bcd24aca61957c9c4b8e18f058036fa33a2a7f
[INFO] validating manifest of demurgos/detect-desktop-environment 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 demurgos/detect-desktop-environment 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 demurgos/detect-desktop-environment
[INFO] finished frobbing demurgos/detect-desktop-environment
[INFO] frobbed toml for demurgos/detect-desktop-environment written to work/ex/beta-1.37-6/sources/1.36.0/gh/demurgos/detect-desktop-environment/Cargo.toml
[INFO] started frobbing demurgos/detect-desktop-environment
[INFO] finished frobbing demurgos/detect-desktop-environment
[INFO] frobbed toml for demurgos/detect-desktop-environment written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/demurgos/detect-desktop-environment/Cargo.toml
[INFO] crate demurgos/detect-desktop-environment 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 demurgos/detect-desktop-environment 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/demurgos/detect-desktop-environment:/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] afbb62d392ac2e378cd55e09c3a779e70c67e5ca1be90ad9d53bc859600455e1
[INFO] running `"docker" "start" "-a" "afbb62d392ac2e378cd55e09c3a779e70c67e5ca1be90ad9d53bc859600455e1"`
[INFO] [stderr]    Compiling detect-desktop-environment v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "afbb62d392ac2e378cd55e09c3a779e70c67e5ca1be90ad9d53bc859600455e1"`
[INFO] running `"docker" "rm" "-f" "afbb62d392ac2e378cd55e09c3a779e70c67e5ca1be90ad9d53bc859600455e1"`
[INFO] [stdout] afbb62d392ac2e378cd55e09c3a779e70c67e5ca1be90ad9d53bc859600455e1
[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/demurgos/detect-desktop-environment:/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] 28043701406a6555abd6fbf42fc8877799a2e781461f97cb5f813c796facf0c7
[INFO] running `"docker" "start" "-a" "28043701406a6555abd6fbf42fc8877799a2e781461f97cb5f813c796facf0c7"`
[INFO] [stderr]    Compiling detect-desktop-environment v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "28043701406a6555abd6fbf42fc8877799a2e781461f97cb5f813c796facf0c7"`
[INFO] running `"docker" "rm" "-f" "28043701406a6555abd6fbf42fc8877799a2e781461f97cb5f813c796facf0c7"`
[INFO] [stdout] 28043701406a6555abd6fbf42fc8877799a2e781461f97cb5f813c796facf0c7
[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/demurgos/detect-desktop-environment:/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] 3ea55edba743a606517e31d255f1146e63b30e7a3fe3472fa7872c018eebb0c7
[INFO] running `"docker" "start" "-a" "3ea55edba743a606517e31d255f1146e63b30e7a3fe3472fa7872c018eebb0c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/detect_desktop_environment-a4c3906b3f6c9743
[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] [stderr]      Running /opt/crater/target/debug/deps/detect_desktop_environment-76ad6e6f741d9f74
[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] [stderr]    Doc-tests detect_desktop_environment
[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" "3ea55edba743a606517e31d255f1146e63b30e7a3fe3472fa7872c018eebb0c7"`
[INFO] running `"docker" "rm" "-f" "3ea55edba743a606517e31d255f1146e63b30e7a3fe3472fa7872c018eebb0c7"`
[INFO] [stdout] 3ea55edba743a606517e31d255f1146e63b30e7a3fe3472fa7872c018eebb0c7