[INFO] updating cached repository arcade/lab
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arcade/lab
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arcade/lab" "work/ex/beta-1.38-1/sources/1.37.0/gh/arcade/lab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arcade/lab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arcade/lab" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arcade/lab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arcade/lab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 041dbe619a6aa07f36c3ee479a66f1a192df06f2
[INFO] sha for GitHub repo arcade/lab: 041dbe619a6aa07f36c3ee479a66f1a192df06f2
[INFO] validating manifest of arcade/lab 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 arcade/lab 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 arcade/lab
[INFO] finished frobbing arcade/lab
[INFO] frobbed toml for arcade/lab written to work/ex/beta-1.38-1/sources/1.37.0/gh/arcade/lab/Cargo.toml
[INFO] started frobbing arcade/lab
[INFO] finished frobbing arcade/lab
[INFO] frobbed toml for arcade/lab written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arcade/lab/Cargo.toml
[INFO] crate arcade/lab 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 arcade/lab 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/arcade/lab:/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] 3069708330e49d10d5f9099e722d351c6aea1152cb7d7a6ae9f10cd4fa4a6476
[INFO] running `"docker" "start" "-a" "3069708330e49d10d5f9099e722d351c6aea1152cb7d7a6ae9f10cd4fa4a6476"`
[INFO] [stderr]    Compiling lab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "3069708330e49d10d5f9099e722d351c6aea1152cb7d7a6ae9f10cd4fa4a6476"`
[INFO] running `"docker" "rm" "-f" "3069708330e49d10d5f9099e722d351c6aea1152cb7d7a6ae9f10cd4fa4a6476"`
[INFO] [stdout] 3069708330e49d10d5f9099e722d351c6aea1152cb7d7a6ae9f10cd4fa4a6476
[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/arcade/lab:/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] 3d589e95596717206c038e0a307fd6d195c1da7c8ad5918b3159c64780cde52f
[INFO] running `"docker" "start" "-a" "3d589e95596717206c038e0a307fd6d195c1da7c8ad5918b3159c64780cde52f"`
[INFO] [stderr]    Compiling lab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "3d589e95596717206c038e0a307fd6d195c1da7c8ad5918b3159c64780cde52f"`
[INFO] running `"docker" "rm" "-f" "3d589e95596717206c038e0a307fd6d195c1da7c8ad5918b3159c64780cde52f"`
[INFO] [stdout] 3d589e95596717206c038e0a307fd6d195c1da7c8ad5918b3159c64780cde52f
[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/arcade/lab:/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] 876bf6b746fa98fa38fe793a219b6f98315e8729e4caa045e66bb3499a80c1ce
[INFO] running `"docker" "start" "-a" "876bf6b746fa98fa38fe793a219b6f98315e8729e4caa045e66bb3499a80c1ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lab-cbd1f9cefc9a5c3d
[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" "876bf6b746fa98fa38fe793a219b6f98315e8729e4caa045e66bb3499a80c1ce"`
[INFO] running `"docker" "rm" "-f" "876bf6b746fa98fa38fe793a219b6f98315e8729e4caa045e66bb3499a80c1ce"`
[INFO] [stdout] 876bf6b746fa98fa38fe793a219b6f98315e8729e4caa045e66bb3499a80c1ce