[INFO] updating cached repository mathieu-anderson/rust_control_flow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mathieu-anderson/rust_control_flow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust_control_flow" "work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_control_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_control_flow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust_control_flow" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_control_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_control_flow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b8030c407efcce312e6dfed4075683553629cd8
[INFO] sha for GitHub repo mathieu-anderson/rust_control_flow: 9b8030c407efcce312e6dfed4075683553629cd8
[INFO] validating manifest of mathieu-anderson/rust_control_flow 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 mathieu-anderson/rust_control_flow 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 mathieu-anderson/rust_control_flow
[INFO] finished frobbing mathieu-anderson/rust_control_flow
[INFO] frobbed toml for mathieu-anderson/rust_control_flow written to work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_control_flow/Cargo.toml
[INFO] started frobbing mathieu-anderson/rust_control_flow
[INFO] finished frobbing mathieu-anderson/rust_control_flow
[INFO] frobbed toml for mathieu-anderson/rust_control_flow written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_control_flow/Cargo.toml
[INFO] crate mathieu-anderson/rust_control_flow 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 mathieu-anderson/rust_control_flow 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-4/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/mathieu-anderson/rust_control_flow:/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] a5d60d241694cc0cfefe98ede44105c1cabdc1fa3f913e86210194fab6cc14e2
[INFO] running `"docker" "start" "-a" "a5d60d241694cc0cfefe98ede44105c1cabdc1fa3f913e86210194fab6cc14e2"`
[INFO] [stderr]    Compiling rust_control_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "a5d60d241694cc0cfefe98ede44105c1cabdc1fa3f913e86210194fab6cc14e2"`
[INFO] running `"docker" "rm" "-f" "a5d60d241694cc0cfefe98ede44105c1cabdc1fa3f913e86210194fab6cc14e2"`
[INFO] [stdout] a5d60d241694cc0cfefe98ede44105c1cabdc1fa3f913e86210194fab6cc14e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mathieu-anderson/rust_control_flow:/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] c460785ba4e339af6510ce90c9cddd561541747eb9eac4944b61b736b735a5f1
[INFO] running `"docker" "start" "-a" "c460785ba4e339af6510ce90c9cddd561541747eb9eac4944b61b736b735a5f1"`
[INFO] [stderr]    Compiling rust_control_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c460785ba4e339af6510ce90c9cddd561541747eb9eac4944b61b736b735a5f1"`
[INFO] running `"docker" "rm" "-f" "c460785ba4e339af6510ce90c9cddd561541747eb9eac4944b61b736b735a5f1"`
[INFO] [stdout] c460785ba4e339af6510ce90c9cddd561541747eb9eac4944b61b736b735a5f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mathieu-anderson/rust_control_flow:/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] 67857eee029ded86ced4fece2e4943baad25c9299c4af1c5e5f00df73e83a8f8
[INFO] running `"docker" "start" "-a" "67857eee029ded86ced4fece2e4943baad25c9299c4af1c5e5f00df73e83a8f8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_control_flow-afb102d7d7fa300a
[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" "67857eee029ded86ced4fece2e4943baad25c9299c4af1c5e5f00df73e83a8f8"`
[INFO] running `"docker" "rm" "-f" "67857eee029ded86ced4fece2e4943baad25c9299c4af1c5e5f00df73e83a8f8"`
[INFO] [stdout] 67857eee029ded86ced4fece2e4943baad25c9299c4af1c5e5f00df73e83a8f8