[INFO] updating cached repository endaaman/practice-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/endaaman/practice-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/endaaman/practice-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/endaaman/practice-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/endaaman/practice-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/endaaman/practice-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/endaaman/practice-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/endaaman/practice-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff2cf7acb71d698e6715f6d9219308b156c858db
[INFO] sha for GitHub repo endaaman/practice-rust: ff2cf7acb71d698e6715f6d9219308b156c858db
[INFO] validating manifest of endaaman/practice-rust 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 endaaman/practice-rust 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 endaaman/practice-rust
[INFO] finished frobbing endaaman/practice-rust
[INFO] frobbed toml for endaaman/practice-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/endaaman/practice-rust/Cargo.toml
[INFO] started frobbing endaaman/practice-rust
[INFO] finished frobbing endaaman/practice-rust
[INFO] frobbed toml for endaaman/practice-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/endaaman/practice-rust/Cargo.toml
[INFO] crate endaaman/practice-rust 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 endaaman/practice-rust 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-0/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/endaaman/practice-rust:/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] dcda3db42e1b02873d146268fa9ded6374b4629bd8442b04fb3e5730ce8286ca
[INFO] running `"docker" "start" "-a" "dcda3db42e1b02873d146268fa9ded6374b4629bd8442b04fb3e5730ce8286ca"`
[INFO] [stderr]    Compiling practice-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "dcda3db42e1b02873d146268fa9ded6374b4629bd8442b04fb3e5730ce8286ca"`
[INFO] running `"docker" "rm" "-f" "dcda3db42e1b02873d146268fa9ded6374b4629bd8442b04fb3e5730ce8286ca"`
[INFO] [stdout] dcda3db42e1b02873d146268fa9ded6374b4629bd8442b04fb3e5730ce8286ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/endaaman/practice-rust:/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] 0d1fd8f187cf7c1e1a91af3f4b563b84f5ca7d9c2a78ae543daa09184b1bf079
[INFO] running `"docker" "start" "-a" "0d1fd8f187cf7c1e1a91af3f4b563b84f5ca7d9c2a78ae543daa09184b1bf079"`
[INFO] [stderr]    Compiling practice-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "0d1fd8f187cf7c1e1a91af3f4b563b84f5ca7d9c2a78ae543daa09184b1bf079"`
[INFO] running `"docker" "rm" "-f" "0d1fd8f187cf7c1e1a91af3f4b563b84f5ca7d9c2a78ae543daa09184b1bf079"`
[INFO] [stdout] 0d1fd8f187cf7c1e1a91af3f4b563b84f5ca7d9c2a78ae543daa09184b1bf079
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/endaaman/practice-rust:/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] 6b6af8e717684ba4e694de974cba21d805c83e240583376bf37d878ad1317f43
[INFO] running `"docker" "start" "-a" "6b6af8e717684ba4e694de974cba21d805c83e240583376bf37d878ad1317f43"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-9cd70948799caea4
[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" "6b6af8e717684ba4e694de974cba21d805c83e240583376bf37d878ad1317f43"`
[INFO] running `"docker" "rm" "-f" "6b6af8e717684ba4e694de974cba21d805c83e240583376bf37d878ad1317f43"`
[INFO] [stdout] 6b6af8e717684ba4e694de974cba21d805c83e240583376bf37d878ad1317f43