[INFO] updating cached repository zekesonxx/xorfinder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zekesonxx/xorfinder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zekesonxx/xorfinder" "work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/xorfinder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/xorfinder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zekesonxx/xorfinder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/xorfinder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/xorfinder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35a3125307a445b951be4271b0815cd83f05cbed
[INFO] sha for GitHub repo zekesonxx/xorfinder: 35a3125307a445b951be4271b0815cd83f05cbed
[INFO] validating manifest of zekesonxx/xorfinder 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 zekesonxx/xorfinder 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 zekesonxx/xorfinder
[INFO] finished frobbing zekesonxx/xorfinder
[INFO] frobbed toml for zekesonxx/xorfinder written to work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/xorfinder/Cargo.toml
[INFO] started frobbing zekesonxx/xorfinder
[INFO] finished frobbing zekesonxx/xorfinder
[INFO] frobbed toml for zekesonxx/xorfinder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/xorfinder/Cargo.toml
[INFO] crate zekesonxx/xorfinder 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 zekesonxx/xorfinder 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-1/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/zekesonxx/xorfinder:/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] 370f5bdf5af6796893b402e2b44849ba0731a0462065a6743daec9abbcbd5378
[INFO] running `"docker" "start" "-a" "370f5bdf5af6796893b402e2b44849ba0731a0462065a6743daec9abbcbd5378"`
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling defmac v0.1.3
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling galil-seiferas v0.1.5
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling xorfinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             f.read_to_end(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             f.read_to_end(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `"docker" "inspect" "370f5bdf5af6796893b402e2b44849ba0731a0462065a6743daec9abbcbd5378"`
[INFO] running `"docker" "rm" "-f" "370f5bdf5af6796893b402e2b44849ba0731a0462065a6743daec9abbcbd5378"`
[INFO] [stdout] 370f5bdf5af6796893b402e2b44849ba0731a0462065a6743daec9abbcbd5378
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/zekesonxx/xorfinder:/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] 986882e5ce7da188c24a87ba6cb3854eccacd5a48eaee6e501cf11277865b83a
[INFO] running `"docker" "start" "-a" "986882e5ce7da188c24a87ba6cb3854eccacd5a48eaee6e501cf11277865b83a"`
[INFO] [stderr]    Compiling xorfinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             f.read_to_end(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             f.read_to_end(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "986882e5ce7da188c24a87ba6cb3854eccacd5a48eaee6e501cf11277865b83a"`
[INFO] running `"docker" "rm" "-f" "986882e5ce7da188c24a87ba6cb3854eccacd5a48eaee6e501cf11277865b83a"`
[INFO] [stdout] 986882e5ce7da188c24a87ba6cb3854eccacd5a48eaee6e501cf11277865b83a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/zekesonxx/xorfinder:/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] 00a97953b58f38f0643a593480a83e86d3b10d4bbe56d907f534363cb6a95951
[INFO] running `"docker" "start" "-a" "00a97953b58f38f0643a593480a83e86d3b10d4bbe56d907f534363cb6a95951"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xorfinder-cb2f82367eeccd6c
[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" "00a97953b58f38f0643a593480a83e86d3b10d4bbe56d907f534363cb6a95951"`
[INFO] running `"docker" "rm" "-f" "00a97953b58f38f0643a593480a83e86d3b10d4bbe56d907f534363cb6a95951"`
[INFO] [stdout] 00a97953b58f38f0643a593480a83e86d3b10d4bbe56d907f534363cb6a95951