[INFO] updating cached repository makoki13/rust_snipper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/makoki13/rust_snipper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/makoki13/rust_snipper" "work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/makoki13/rust_snipper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makoki13/rust_snipper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makoki13/rust_snipper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4afe79020d115336a092c636b7793535a910827
[INFO] sha for GitHub repo makoki13/rust_snipper: f4afe79020d115336a092c636b7793535a910827
[INFO] validating manifest of makoki13/rust_snipper 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 makoki13/rust_snipper 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 makoki13/rust_snipper
[INFO] finished frobbing makoki13/rust_snipper
[INFO] frobbed toml for makoki13/rust_snipper written to work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper/Cargo.toml
[INFO] started frobbing makoki13/rust_snipper
[INFO] finished frobbing makoki13/rust_snipper
[INFO] frobbed toml for makoki13/rust_snipper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makoki13/rust_snipper/Cargo.toml
[INFO] crate makoki13/rust_snipper 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 makoki13/rust_snipper 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper:/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] 744a09d21853a454f261e093feda6154fbbbdc3f55ac91e9829174a73709b1ef
[INFO] running `"docker" "start" "-a" "744a09d21853a454f261e093feda6154fbbbdc3f55ac91e9829174a73709b1ef"`
[INFO] [stderr]    Compiling sniper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     io::stdin().read_line(&mut input);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "744a09d21853a454f261e093feda6154fbbbdc3f55ac91e9829174a73709b1ef"`
[INFO] running `"docker" "rm" "-f" "744a09d21853a454f261e093feda6154fbbbdc3f55ac91e9829174a73709b1ef"`
[INFO] [stdout] 744a09d21853a454f261e093feda6154fbbbdc3f55ac91e9829174a73709b1ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper:/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] e4879ce94268ba24f8c87981b2240d03ebc3f55e090aaa7f906d897523dbd051
[INFO] running `"docker" "start" "-a" "e4879ce94268ba24f8c87981b2240d03ebc3f55e090aaa7f906d897523dbd051"`
[INFO] [stderr]    Compiling sniper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     io::stdin().read_line(&mut input);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "e4879ce94268ba24f8c87981b2240d03ebc3f55e090aaa7f906d897523dbd051"`
[INFO] running `"docker" "rm" "-f" "e4879ce94268ba24f8c87981b2240d03ebc3f55e090aaa7f906d897523dbd051"`
[INFO] [stdout] e4879ce94268ba24f8c87981b2240d03ebc3f55e090aaa7f906d897523dbd051
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makoki13/rust_snipper:/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] bf850d6602fe6e1bc7c977a0a440e1be4aa03f2812b4dbde1501068b2301e50a
[INFO] running `"docker" "start" "-a" "bf850d6602fe6e1bc7c977a0a440e1be4aa03f2812b4dbde1501068b2301e50a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sniper-bffe1fb38d541ced
[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" "bf850d6602fe6e1bc7c977a0a440e1be4aa03f2812b4dbde1501068b2301e50a"`
[INFO] running `"docker" "rm" "-f" "bf850d6602fe6e1bc7c977a0a440e1be4aa03f2812b4dbde1501068b2301e50a"`
[INFO] [stdout] bf850d6602fe6e1bc7c977a0a440e1be4aa03f2812b4dbde1501068b2301e50a