[INFO] updating cached repository brendanzab/rust-visitors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brendanzab/rust-visitors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brendanzab/rust-visitors" "work/ex/beta-1.38-1/sources/1.37.0/gh/brendanzab/rust-visitors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brendanzab/rust-visitors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brendanzab/rust-visitors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brendanzab/rust-visitors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brendanzab/rust-visitors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 682c89da4559e8d370e94191f67a47df24cf9a9a
[INFO] sha for GitHub repo brendanzab/rust-visitors: 682c89da4559e8d370e94191f67a47df24cf9a9a
[INFO] validating manifest of brendanzab/rust-visitors 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 brendanzab/rust-visitors 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 brendanzab/rust-visitors
[INFO] finished frobbing brendanzab/rust-visitors
[INFO] frobbed toml for brendanzab/rust-visitors written to work/ex/beta-1.38-1/sources/1.37.0/gh/brendanzab/rust-visitors/Cargo.toml
[INFO] started frobbing brendanzab/rust-visitors
[INFO] finished frobbing brendanzab/rust-visitors
[INFO] frobbed toml for brendanzab/rust-visitors written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brendanzab/rust-visitors/Cargo.toml
[INFO] crate brendanzab/rust-visitors 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing brendanzab/rust-visitors 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-6/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/brendanzab/rust-visitors:/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] 01d8985fc55b8500d375c3473f0f8299145fe80c3189d837c46b4a55b6533f26
[INFO] running `"docker" "start" "-a" "01d8985fc55b8500d375c3473f0f8299145fe80c3189d837c46b4a55b6533f26"`
[INFO] [stderr]    Compiling visitors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "01d8985fc55b8500d375c3473f0f8299145fe80c3189d837c46b4a55b6533f26"`
[INFO] running `"docker" "rm" "-f" "01d8985fc55b8500d375c3473f0f8299145fe80c3189d837c46b4a55b6533f26"`
[INFO] [stdout] 01d8985fc55b8500d375c3473f0f8299145fe80c3189d837c46b4a55b6533f26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/brendanzab/rust-visitors:/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] a648fe7e815ebc0b4adae73bbd8da06679527aaa48b5781430e674cdfd27c2a3
[INFO] running `"docker" "start" "-a" "a648fe7e815ebc0b4adae73bbd8da06679527aaa48b5781430e674cdfd27c2a3"`
[INFO] [stderr]    Compiling visitors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "a648fe7e815ebc0b4adae73bbd8da06679527aaa48b5781430e674cdfd27c2a3"`
[INFO] running `"docker" "rm" "-f" "a648fe7e815ebc0b4adae73bbd8da06679527aaa48b5781430e674cdfd27c2a3"`
[INFO] [stdout] a648fe7e815ebc0b4adae73bbd8da06679527aaa48b5781430e674cdfd27c2a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/brendanzab/rust-visitors:/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] c45355d377e0e5708b0eb0dc529e0a4f10ed71408beb98e14c81a359cb9ad8a2
[INFO] running `"docker" "start" "-a" "c45355d377e0e5708b0eb0dc529e0a4f10ed71408beb98e14c81a359cb9ad8a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/visitors-f1efbe326ce41402
[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" "c45355d377e0e5708b0eb0dc529e0a4f10ed71408beb98e14c81a359cb9ad8a2"`
[INFO] running `"docker" "rm" "-f" "c45355d377e0e5708b0eb0dc529e0a4f10ed71408beb98e14c81a359cb9ad8a2"`
[INFO] [stdout] c45355d377e0e5708b0eb0dc529e0a4f10ed71408beb98e14c81a359cb9ad8a2