[INFO] updating cached repository aerosabe/practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aerosabe/practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] sha for GitHub repo aerosabe/practice: 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] validating manifest of aerosabe/practice 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 aerosabe/practice 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 aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice/Cargo.toml
[INFO] started frobbing aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice/Cargo.toml
[INFO] crate aerosabe/practice 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 aerosabe/practice 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/aerosabe/practice:/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] 600f9681755ff30d879becf10c444271bf0eb74ed3ded0e0589a8aecbcceddc7
[INFO] running `"docker" "start" "-a" "600f9681755ff30d879becf10c444271bf0eb74ed3ded0e0589a8aecbcceddc7"`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "600f9681755ff30d879becf10c444271bf0eb74ed3ded0e0589a8aecbcceddc7"`
[INFO] running `"docker" "rm" "-f" "600f9681755ff30d879becf10c444271bf0eb74ed3ded0e0589a8aecbcceddc7"`
[INFO] [stdout] 600f9681755ff30d879becf10c444271bf0eb74ed3ded0e0589a8aecbcceddc7
[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/aerosabe/practice:/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] 9d5c6ab978755e622caa97c29c2bdc13df2a3f3e50f9c7cc6934ee0dc86ac666
[INFO] running `"docker" "start" "-a" "9d5c6ab978755e622caa97c29c2bdc13df2a3f3e50f9c7cc6934ee0dc86ac666"`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9d5c6ab978755e622caa97c29c2bdc13df2a3f3e50f9c7cc6934ee0dc86ac666"`
[INFO] running `"docker" "rm" "-f" "9d5c6ab978755e622caa97c29c2bdc13df2a3f3e50f9c7cc6934ee0dc86ac666"`
[INFO] [stdout] 9d5c6ab978755e622caa97c29c2bdc13df2a3f3e50f9c7cc6934ee0dc86ac666
[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/aerosabe/practice:/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] 9e78dfcc4429c07349774504e92d9d375cc11e4872af3c4021d55ee6ae7b20ea
[INFO] running `"docker" "start" "-a" "9e78dfcc4429c07349774504e92d9d375cc11e4872af3c4021d55ee6ae7b20ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/practice-ee86d18b84aa2569
[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" "9e78dfcc4429c07349774504e92d9d375cc11e4872af3c4021d55ee6ae7b20ea"`
[INFO] running `"docker" "rm" "-f" "9e78dfcc4429c07349774504e92d9d375cc11e4872af3c4021d55ee6ae7b20ea"`
[INFO] [stdout] 9e78dfcc4429c07349774504e92d9d375cc11e4872af3c4021d55ee6ae7b20ea