[INFO] updating cached repository royinttime/rust_little_scanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/royinttime/rust_little_scanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/royinttime/rust_little_scanner" "work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/royinttime/rust_little_scanner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royinttime/rust_little_scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royinttime/rust_little_scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4670d4fe8c1360545a717f849bd1204742889a7
[INFO] sha for GitHub repo royinttime/rust_little_scanner: f4670d4fe8c1360545a717f849bd1204742889a7
[INFO] validating manifest of royinttime/rust_little_scanner 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 royinttime/rust_little_scanner 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 royinttime/rust_little_scanner
[INFO] finished frobbing royinttime/rust_little_scanner
[INFO] frobbed toml for royinttime/rust_little_scanner written to work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner/Cargo.toml
[INFO] started frobbing royinttime/rust_little_scanner
[INFO] finished frobbing royinttime/rust_little_scanner
[INFO] frobbed toml for royinttime/rust_little_scanner written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royinttime/rust_little_scanner/Cargo.toml
[INFO] crate royinttime/rust_little_scanner 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 royinttime/rust_little_scanner 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner:/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] 565f84f092ed0afda95a38b6b9eeed73823844e8b128863cde19728c369727e6
[INFO] running `"docker" "start" "-a" "565f84f092ed0afda95a38b6b9eeed73823844e8b128863cde19728c369727e6"`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "565f84f092ed0afda95a38b6b9eeed73823844e8b128863cde19728c369727e6"`
[INFO] running `"docker" "rm" "-f" "565f84f092ed0afda95a38b6b9eeed73823844e8b128863cde19728c369727e6"`
[INFO] [stdout] 565f84f092ed0afda95a38b6b9eeed73823844e8b128863cde19728c369727e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner:/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] 925b3f323cbbe34aca642c3c57c7191b72896b7addf4cc0261d5c71ab9e85491
[INFO] running `"docker" "start" "-a" "925b3f323cbbe34aca642c3c57c7191b72896b7addf4cc0261d5c71ab9e85491"`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "925b3f323cbbe34aca642c3c57c7191b72896b7addf4cc0261d5c71ab9e85491"`
[INFO] running `"docker" "rm" "-f" "925b3f323cbbe34aca642c3c57c7191b72896b7addf4cc0261d5c71ab9e85491"`
[INFO] [stdout] 925b3f323cbbe34aca642c3c57c7191b72896b7addf4cc0261d5c71ab9e85491
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royinttime/rust_little_scanner:/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] 44f51c87cb3ad7d2219b55cdfa3c2d1b21a0956e2943ca2beba4404032d526a3
[INFO] running `"docker" "start" "-a" "44f51c87cb3ad7d2219b55cdfa3c2d1b21a0956e2943ca2beba4404032d526a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scanner-773461be90d0325a
[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" "44f51c87cb3ad7d2219b55cdfa3c2d1b21a0956e2943ca2beba4404032d526a3"`
[INFO] running `"docker" "rm" "-f" "44f51c87cb3ad7d2219b55cdfa3c2d1b21a0956e2943ca2beba4404032d526a3"`
[INFO] [stdout] 44f51c87cb3ad7d2219b55cdfa3c2d1b21a0956e2943ca2beba4404032d526a3