[INFO] updating cached repository thecog19/rust-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thecog19/rust-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/beta-1.38-1/sources/1.37.0/gh/thecog19/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thecog19/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thecog19/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thecog19/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e
[INFO] sha for GitHub repo thecog19/rust-experiments: aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e
[INFO] validating manifest of thecog19/rust-experiments 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 thecog19/rust-experiments 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 thecog19/rust-experiments
[INFO] finished frobbing thecog19/rust-experiments
[INFO] frobbed toml for thecog19/rust-experiments written to work/ex/beta-1.38-1/sources/1.37.0/gh/thecog19/rust-experiments/Cargo.toml
[INFO] started frobbing thecog19/rust-experiments
[INFO] finished frobbing thecog19/rust-experiments
[INFO] frobbed toml for thecog19/rust-experiments written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thecog19/rust-experiments/Cargo.toml
[INFO] crate thecog19/rust-experiments 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 thecog19/rust-experiments 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-2/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/thecog19/rust-experiments:/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] 37d5d5c1ae0c744894df79e10c44204fa90aed9d921849da68aa6d244a48fa84
[INFO] running `"docker" "start" "-a" "37d5d5c1ae0c744894df79e10c44204fa90aed9d921849da68aa6d244a48fa84"`
[INFO] [stderr]    Compiling playing-with-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "37d5d5c1ae0c744894df79e10c44204fa90aed9d921849da68aa6d244a48fa84"`
[INFO] running `"docker" "rm" "-f" "37d5d5c1ae0c744894df79e10c44204fa90aed9d921849da68aa6d244a48fa84"`
[INFO] [stdout] 37d5d5c1ae0c744894df79e10c44204fa90aed9d921849da68aa6d244a48fa84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/thecog19/rust-experiments:/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] 883afbfeae75abbab59e0209dda446a34d09a9925b93d1c2d4c629a8c15ecaf5
[INFO] running `"docker" "start" "-a" "883afbfeae75abbab59e0209dda446a34d09a9925b93d1c2d4c629a8c15ecaf5"`
[INFO] [stderr]    Compiling playing-with-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "883afbfeae75abbab59e0209dda446a34d09a9925b93d1c2d4c629a8c15ecaf5"`
[INFO] running `"docker" "rm" "-f" "883afbfeae75abbab59e0209dda446a34d09a9925b93d1c2d4c629a8c15ecaf5"`
[INFO] [stdout] 883afbfeae75abbab59e0209dda446a34d09a9925b93d1c2d4c629a8c15ecaf5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/thecog19/rust-experiments:/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] b829c50aa3f9cc72386e31c9e424110e04ae6193a9438270a7c5a0aab1436e0b
[INFO] running `"docker" "start" "-a" "b829c50aa3f9cc72386e31c9e424110e04ae6193a9438270a7c5a0aab1436e0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playing_with_rust-0c542d12c00707c7
[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" "b829c50aa3f9cc72386e31c9e424110e04ae6193a9438270a7c5a0aab1436e0b"`
[INFO] running `"docker" "rm" "-f" "b829c50aa3f9cc72386e31c9e424110e04ae6193a9438270a7c5a0aab1436e0b"`
[INFO] [stdout] b829c50aa3f9cc72386e31c9e424110e04ae6193a9438270a7c5a0aab1436e0b