[INFO] updating cached repository RSAkidinUSA/rusty
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RSAkidinUSA/rusty
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RSAkidinUSA/rusty" "work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RSAkidinUSA/rusty" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 161f93885e4b862cc3b366c94b079baef15da69e
[INFO] sha for GitHub repo RSAkidinUSA/rusty: 161f93885e4b862cc3b366c94b079baef15da69e
[INFO] validating manifest of RSAkidinUSA/rusty 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 RSAkidinUSA/rusty 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 RSAkidinUSA/rusty
[INFO] finished frobbing RSAkidinUSA/rusty
[INFO] frobbed toml for RSAkidinUSA/rusty written to work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty/Cargo.toml
[INFO] started frobbing RSAkidinUSA/rusty
[INFO] finished frobbing RSAkidinUSA/rusty
[INFO] frobbed toml for RSAkidinUSA/rusty written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty/Cargo.toml
[INFO] crate RSAkidinUSA/rusty 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 RSAkidinUSA/rusty 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty:/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] 4a1866843030b1141b127709f2ce39248a80caefa516e72eed272a03a41168e8
[INFO] running `"docker" "start" "-a" "4a1866843030b1141b127709f2ce39248a80caefa516e72eed272a03a41168e8"`
[INFO] [stderr]    Compiling rusty v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             yes.trim();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "4a1866843030b1141b127709f2ce39248a80caefa516e72eed272a03a41168e8"`
[INFO] running `"docker" "rm" "-f" "4a1866843030b1141b127709f2ce39248a80caefa516e72eed272a03a41168e8"`
[INFO] [stdout] 4a1866843030b1141b127709f2ce39248a80caefa516e72eed272a03a41168e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty:/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] 7e7cbf82eaca6fbcf7da5cd484081e83c72de5f0af05ba23b88b964895787d54
[INFO] running `"docker" "start" "-a" "7e7cbf82eaca6fbcf7da5cd484081e83c72de5f0af05ba23b88b964895787d54"`
[INFO] [stderr]    Compiling rusty v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             yes.trim();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "7e7cbf82eaca6fbcf7da5cd484081e83c72de5f0af05ba23b88b964895787d54"`
[INFO] running `"docker" "rm" "-f" "7e7cbf82eaca6fbcf7da5cd484081e83c72de5f0af05ba23b88b964895787d54"`
[INFO] [stdout] 7e7cbf82eaca6fbcf7da5cd484081e83c72de5f0af05ba23b88b964895787d54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty:/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] 668c9a41b3d4d8826770dc3b15c449c840c1d356a387cbb94d942be10a96922c
[INFO] running `"docker" "start" "-a" "668c9a41b3d4d8826770dc3b15c449c840c1d356a387cbb94d942be10a96922c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty-5f04e15b35167dfd
[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" "668c9a41b3d4d8826770dc3b15c449c840c1d356a387cbb94d942be10a96922c"`
[INFO] running `"docker" "rm" "-f" "668c9a41b3d4d8826770dc3b15c449c840c1d356a387cbb94d942be10a96922c"`
[INFO] [stdout] 668c9a41b3d4d8826770dc3b15c449c840c1d356a387cbb94d942be10a96922c