[INFO] updating cached repository gannonchan/ruststudy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gannonchan/ruststudy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gannonchan/ruststudy" "work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gannonchan/ruststudy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gannonchan/ruststudy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gannonchan/ruststudy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d017c87eaaee44f6283722317c16b3d11134048
[INFO] sha for GitHub repo gannonchan/ruststudy: 3d017c87eaaee44f6283722317c16b3d11134048
[INFO] validating manifest of gannonchan/ruststudy 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 gannonchan/ruststudy 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 gannonchan/ruststudy
[INFO] finished frobbing gannonchan/ruststudy
[INFO] frobbed toml for gannonchan/ruststudy written to work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy/Cargo.toml
[INFO] started frobbing gannonchan/ruststudy
[INFO] finished frobbing gannonchan/ruststudy
[INFO] frobbed toml for gannonchan/ruststudy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gannonchan/ruststudy/Cargo.toml
[INFO] crate gannonchan/ruststudy 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 gannonchan/ruststudy 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy:/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] fbd34ab68f024c0b9a245d9eca09a7c1542fdefbb3dcedc3e468b1e1c5dcdb3b
[INFO] running `"docker" "start" "-a" "fbd34ab68f024c0b9a245d9eca09a7c1542fdefbb3dcedc3e468b1e1c5dcdb3b"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "fbd34ab68f024c0b9a245d9eca09a7c1542fdefbb3dcedc3e468b1e1c5dcdb3b"`
[INFO] running `"docker" "rm" "-f" "fbd34ab68f024c0b9a245d9eca09a7c1542fdefbb3dcedc3e468b1e1c5dcdb3b"`
[INFO] [stdout] fbd34ab68f024c0b9a245d9eca09a7c1542fdefbb3dcedc3e468b1e1c5dcdb3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy:/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] 38c554e55e6586e3a4ba1323466c3eb883b6be6549ad0c534f817a3565f163b4
[INFO] running `"docker" "start" "-a" "38c554e55e6586e3a4ba1323466c3eb883b6be6549ad0c534f817a3565f163b4"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "38c554e55e6586e3a4ba1323466c3eb883b6be6549ad0c534f817a3565f163b4"`
[INFO] running `"docker" "rm" "-f" "38c554e55e6586e3a4ba1323466c3eb883b6be6549ad0c534f817a3565f163b4"`
[INFO] [stdout] 38c554e55e6586e3a4ba1323466c3eb883b6be6549ad0c534f817a3565f163b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gannonchan/ruststudy:/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] 7b7779aefbc6ea70abba926dfb90f161c5aa75b3caac224995412e1f1d4442cf
[INFO] running `"docker" "start" "-a" "7b7779aefbc6ea70abba926dfb90f161c5aa75b3caac224995412e1f1d4442cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-7430c30ba75f0a13
[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" "7b7779aefbc6ea70abba926dfb90f161c5aa75b3caac224995412e1f1d4442cf"`
[INFO] running `"docker" "rm" "-f" "7b7779aefbc6ea70abba926dfb90f161c5aa75b3caac224995412e1f1d4442cf"`
[INFO] [stdout] 7b7779aefbc6ea70abba926dfb90f161c5aa75b3caac224995412e1f1d4442cf