[INFO] crate gfx-backend-empty 0.2.1 is already in cache
[INFO] extracting crate gfx-backend-empty 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/gfx-backend-empty/0.2.1
[INFO] extracting crate gfx-backend-empty 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gfx-backend-empty/0.2.1
[INFO] validating manifest of gfx-backend-empty-0.2.1 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 gfx-backend-empty-0.2.1 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 gfx-backend-empty-0.2.1
[INFO] finished frobbing gfx-backend-empty-0.2.1
[INFO] frobbed toml for gfx-backend-empty-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gfx-backend-empty/0.2.1/Cargo.toml
[INFO] started frobbing gfx-backend-empty-0.2.1
[INFO] finished frobbing gfx-backend-empty-0.2.1
[INFO] frobbed toml for gfx-backend-empty-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gfx-backend-empty/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 gfx-backend-empty-0.2.1 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/gfx-backend-empty/0.2.1:/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] 99df764eacb63937ccce560f20eb0542bed1e66c78da9d0a71f18880deabb593
[INFO] running `"docker" "start" "-a" "99df764eacb63937ccce560f20eb0542bed1e66c78da9d0a71f18880deabb593"`
[INFO] [stderr]    Compiling gfx-hal v0.2.1
[INFO] [stderr]    Compiling gfx-backend-empty v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.15s
[INFO] running `"docker" "inspect" "99df764eacb63937ccce560f20eb0542bed1e66c78da9d0a71f18880deabb593"`
[INFO] running `"docker" "rm" "-f" "99df764eacb63937ccce560f20eb0542bed1e66c78da9d0a71f18880deabb593"`
[INFO] [stdout] 99df764eacb63937ccce560f20eb0542bed1e66c78da9d0a71f18880deabb593
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/gfx-backend-empty/0.2.1:/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] a6cfd7c78679c7e55fa38dd39a26b95543d245e2c4540f9be9a510e4df13a02a
[INFO] running `"docker" "start" "-a" "a6cfd7c78679c7e55fa38dd39a26b95543d245e2c4540f9be9a510e4df13a02a"`
[INFO] [stderr]    Compiling gfx-backend-empty v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "a6cfd7c78679c7e55fa38dd39a26b95543d245e2c4540f9be9a510e4df13a02a"`
[INFO] running `"docker" "rm" "-f" "a6cfd7c78679c7e55fa38dd39a26b95543d245e2c4540f9be9a510e4df13a02a"`
[INFO] [stdout] a6cfd7c78679c7e55fa38dd39a26b95543d245e2c4540f9be9a510e4df13a02a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/gfx-backend-empty/0.2.1:/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] e094b7b7e4c2724cfe46b87d5265d99ff8519294cc20fbf7c11c710564e950f8
[INFO] running `"docker" "start" "-a" "e094b7b7e4c2724cfe46b87d5265d99ff8519294cc20fbf7c11c710564e950f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gfx_backend_empty-9c8eb629b2f107e5
[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 gfx_backend_empty
[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" "e094b7b7e4c2724cfe46b87d5265d99ff8519294cc20fbf7c11c710564e950f8"`
[INFO] running `"docker" "rm" "-f" "e094b7b7e4c2724cfe46b87d5265d99ff8519294cc20fbf7c11c710564e950f8"`
[INFO] [stdout] e094b7b7e4c2724cfe46b87d5265d99ff8519294cc20fbf7c11c710564e950f8