[INFO] updating cached repository ahamid/rxor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahamid/rxor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamid/rxor" "work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamid/rxor" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahamid/rxor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahamid/rxor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d9d820c7eb080f1c4f67c8e8ca9fff0a88cc8a0
[INFO] sha for GitHub repo ahamid/rxor: 6d9d820c7eb080f1c4f67c8e8ca9fff0a88cc8a0
[INFO] validating manifest of ahamid/rxor on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahamid/rxor on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ahamid/rxor
[INFO] finished frobbing ahamid/rxor
[INFO] frobbed toml for ahamid/rxor written to work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor/Cargo.toml
[INFO] started frobbing ahamid/rxor
[INFO] finished frobbing ahamid/rxor
[INFO] frobbed toml for ahamid/rxor written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahamid/rxor/Cargo.toml
[INFO] crate ahamid/rxor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahamid/rxor against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5d8b7b601fe7a2fb3845e216b5ea747cae193c6076a8472f111f2a81453928f8
[INFO] running `"docker" "start" "-a" "5d8b7b601fe7a2fb3845e216b5ea747cae193c6076a8472f111f2a81453928f8"`
[INFO] [stderr]    Compiling rxor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     w.write_all(&[b0 ^ b1]);
[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:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   w.flush();
[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 0.47s
[INFO] running `"docker" "inspect" "5d8b7b601fe7a2fb3845e216b5ea747cae193c6076a8472f111f2a81453928f8"`
[INFO] running `"docker" "rm" "-f" "5d8b7b601fe7a2fb3845e216b5ea747cae193c6076a8472f111f2a81453928f8"`
[INFO] [stdout] 5d8b7b601fe7a2fb3845e216b5ea747cae193c6076a8472f111f2a81453928f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba0a0522b9ce0a746932f040d32f22faf40377874b8fbea830f372108e3ed7a3
[INFO] running `"docker" "start" "-a" "ba0a0522b9ce0a746932f040d32f22faf40377874b8fbea830f372108e3ed7a3"`
[INFO] [stderr]    Compiling rxor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     w.write_all(&[b0 ^ b1]);
[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:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   w.flush();
[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 0.35s
[INFO] running `"docker" "inspect" "ba0a0522b9ce0a746932f040d32f22faf40377874b8fbea830f372108e3ed7a3"`
[INFO] running `"docker" "rm" "-f" "ba0a0522b9ce0a746932f040d32f22faf40377874b8fbea830f372108e3ed7a3"`
[INFO] [stdout] ba0a0522b9ce0a746932f040d32f22faf40377874b8fbea830f372108e3ed7a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahamid/rxor:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 425c5700eb72a43c449b6ba57b84beb1a515f5b85b84961c5bd6788418eb11c7
[INFO] running `"docker" "start" "-a" "425c5700eb72a43c449b6ba57b84beb1a515f5b85b84961c5bd6788418eb11c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rxor-23e219808e68b6b6
[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" "425c5700eb72a43c449b6ba57b84beb1a515f5b85b84961c5bd6788418eb11c7"`
[INFO] running `"docker" "rm" "-f" "425c5700eb72a43c449b6ba57b84beb1a515f5b85b84961c5bd6788418eb11c7"`
[INFO] [stdout] 425c5700eb72a43c449b6ba57b84beb1a515f5b85b84961c5bd6788418eb11c7