[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 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 66749d42230fd1fa7342b344246bd5c31ba49cfa1aed7056d211f025a78d4706
[INFO] running `"docker" "start" "-a" "66749d42230fd1fa7342b344246bd5c31ba49cfa1aed7056d211f025a78d4706"`
[INFO] [stderr]    Compiling visitors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "66749d42230fd1fa7342b344246bd5c31ba49cfa1aed7056d211f025a78d4706"`
[INFO] running `"docker" "rm" "-f" "66749d42230fd1fa7342b344246bd5c31ba49cfa1aed7056d211f025a78d4706"`
[INFO] [stdout] 66749d42230fd1fa7342b344246bd5c31ba49cfa1aed7056d211f025a78d4706
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 745a211a3cbb40e3e0df92d8279da0e73e4bbdbb911f0de565cdfdd125ee71ae
[INFO] running `"docker" "start" "-a" "745a211a3cbb40e3e0df92d8279da0e73e4bbdbb911f0de565cdfdd125ee71ae"`
[INFO] [stderr]    Compiling visitors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "745a211a3cbb40e3e0df92d8279da0e73e4bbdbb911f0de565cdfdd125ee71ae"`
[INFO] running `"docker" "rm" "-f" "745a211a3cbb40e3e0df92d8279da0e73e4bbdbb911f0de565cdfdd125ee71ae"`
[INFO] [stdout] 745a211a3cbb40e3e0df92d8279da0e73e4bbdbb911f0de565cdfdd125ee71ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7a0d9b828dbeb8d5c227952cc873a620b40d5a5acc5073d9e617850c22731f22
[INFO] running `"docker" "start" "-a" "7a0d9b828dbeb8d5c227952cc873a620b40d5a5acc5073d9e617850c22731f22"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/visitors-8267d0f856587143
[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" "7a0d9b828dbeb8d5c227952cc873a620b40d5a5acc5073d9e617850c22731f22"`
[INFO] running `"docker" "rm" "-f" "7a0d9b828dbeb8d5c227952cc873a620b40d5a5acc5073d9e617850c22731f22"`
[INFO] [stdout] 7a0d9b828dbeb8d5c227952cc873a620b40d5a5acc5073d9e617850c22731f22