[INFO] crate detect-desktop-environment 0.2.0 is already in cache
[INFO] extracting crate detect-desktop-environment 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/detect-desktop-environment/0.2.0
[INFO] extracting crate detect-desktop-environment 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/detect-desktop-environment/0.2.0
[INFO] validating manifest of detect-desktop-environment-0.2.0 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 detect-desktop-environment-0.2.0 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 detect-desktop-environment-0.2.0
[INFO] finished frobbing detect-desktop-environment-0.2.0
[INFO] frobbed toml for detect-desktop-environment-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/detect-desktop-environment/0.2.0/Cargo.toml
[INFO] started frobbing detect-desktop-environment-0.2.0
[INFO] finished frobbing detect-desktop-environment-0.2.0
[INFO] frobbed toml for detect-desktop-environment-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/detect-desktop-environment/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing detect-desktop-environment-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/detect-desktop-environment/0.2.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] eec259fdb1d59a756fd4999c8210a2f2a08d46a8065731f2e5d770e20b9c42d0
[INFO] running `"docker" "start" "-a" "eec259fdb1d59a756fd4999c8210a2f2a08d46a8065731f2e5d770e20b9c42d0"`
[INFO] [stderr]    Compiling detect-desktop-environment v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "eec259fdb1d59a756fd4999c8210a2f2a08d46a8065731f2e5d770e20b9c42d0"`
[INFO] running `"docker" "rm" "-f" "eec259fdb1d59a756fd4999c8210a2f2a08d46a8065731f2e5d770e20b9c42d0"`
[INFO] [stdout] eec259fdb1d59a756fd4999c8210a2f2a08d46a8065731f2e5d770e20b9c42d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/detect-desktop-environment/0.2.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d37a1e866442374455dd23f4959fc1add37e9e91a1cb2e67e2f878b49301a08e
[INFO] running `"docker" "start" "-a" "d37a1e866442374455dd23f4959fc1add37e9e91a1cb2e67e2f878b49301a08e"`
[INFO] [stderr]    Compiling detect-desktop-environment v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "d37a1e866442374455dd23f4959fc1add37e9e91a1cb2e67e2f878b49301a08e"`
[INFO] running `"docker" "rm" "-f" "d37a1e866442374455dd23f4959fc1add37e9e91a1cb2e67e2f878b49301a08e"`
[INFO] [stdout] d37a1e866442374455dd23f4959fc1add37e9e91a1cb2e67e2f878b49301a08e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/detect-desktop-environment/0.2.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 754c7b448aa7e0d4791cd83ffc450fb98341dae1b2d0f4a6bcddaada7e79ef4b
[INFO] running `"docker" "start" "-a" "754c7b448aa7e0d4791cd83ffc450fb98341dae1b2d0f4a6bcddaada7e79ef4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/detect_desktop_environment-2bb4136ef85ad1be
[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-9d991c74ef296abd
[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" "754c7b448aa7e0d4791cd83ffc450fb98341dae1b2d0f4a6bcddaada7e79ef4b"`
[INFO] running `"docker" "rm" "-f" "754c7b448aa7e0d4791cd83ffc450fb98341dae1b2d0f4a6bcddaada7e79ef4b"`
[INFO] [stdout] 754c7b448aa7e0d4791cd83ffc450fb98341dae1b2d0f4a6bcddaada7e79ef4b