[INFO] updating cached repository blackaichi/Useful_rust_codes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blackaichi/Useful_rust_codes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blackaichi/Useful_rust_codes" "work/ex/beta-1.38-1/sources/1.37.0/gh/blackaichi/Useful_rust_codes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/blackaichi/Useful_rust_codes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blackaichi/Useful_rust_codes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/blackaichi/Useful_rust_codes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/blackaichi/Useful_rust_codes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e627aa3c90310214c631d47912f8811b0a1e4dc
[INFO] sha for GitHub repo blackaichi/Useful_rust_codes: 9e627aa3c90310214c631d47912f8811b0a1e4dc
[INFO] validating manifest of blackaichi/Useful_rust_codes 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 blackaichi/Useful_rust_codes 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 blackaichi/Useful_rust_codes
[INFO] finished frobbing blackaichi/Useful_rust_codes
[INFO] frobbed toml for blackaichi/Useful_rust_codes written to work/ex/beta-1.38-1/sources/1.37.0/gh/blackaichi/Useful_rust_codes/Cargo.toml
[INFO] started frobbing blackaichi/Useful_rust_codes
[INFO] finished frobbing blackaichi/Useful_rust_codes
[INFO] frobbed toml for blackaichi/Useful_rust_codes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/blackaichi/Useful_rust_codes/Cargo.toml
[INFO] crate blackaichi/Useful_rust_codes 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] [stderr]     Blocking waiting for file lock on package cache
[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 blackaichi/Useful_rust_codes 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-3/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/blackaichi/Useful_rust_codes:/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] 58125415b5af338dfd8ad0d5131a2541640819682b60609cf2389dae5dacc9ea
[INFO] running `"docker" "start" "-a" "58125415b5af338dfd8ad0d5131a2541640819682b60609cf2389dae5dacc9ea"`
[INFO] [stderr]    Compiling codes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "58125415b5af338dfd8ad0d5131a2541640819682b60609cf2389dae5dacc9ea"`
[INFO] running `"docker" "rm" "-f" "58125415b5af338dfd8ad0d5131a2541640819682b60609cf2389dae5dacc9ea"`
[INFO] [stdout] 58125415b5af338dfd8ad0d5131a2541640819682b60609cf2389dae5dacc9ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/blackaichi/Useful_rust_codes:/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] 879051b9b22eaa9af8ab163333a420aac0a6e00346686edb5a9afff28de2f2a5
[INFO] running `"docker" "start" "-a" "879051b9b22eaa9af8ab163333a420aac0a6e00346686edb5a9afff28de2f2a5"`
[INFO] [stderr]    Compiling codes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "879051b9b22eaa9af8ab163333a420aac0a6e00346686edb5a9afff28de2f2a5"`
[INFO] running `"docker" "rm" "-f" "879051b9b22eaa9af8ab163333a420aac0a6e00346686edb5a9afff28de2f2a5"`
[INFO] [stdout] 879051b9b22eaa9af8ab163333a420aac0a6e00346686edb5a9afff28de2f2a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/blackaichi/Useful_rust_codes:/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] b826b3629e4dd537670c493c5146d8f45ea676346dd1508a161b8eb9ffc9573b
[INFO] running `"docker" "start" "-a" "b826b3629e4dd537670c493c5146d8f45ea676346dd1508a161b8eb9ffc9573b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/codes-3d05b552eef60738
[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" "b826b3629e4dd537670c493c5146d8f45ea676346dd1508a161b8eb9ffc9573b"`
[INFO] running `"docker" "rm" "-f" "b826b3629e4dd537670c493c5146d8f45ea676346dd1508a161b8eb9ffc9573b"`
[INFO] [stdout] b826b3629e4dd537670c493c5146d8f45ea676346dd1508a161b8eb9ffc9573b