[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 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-7/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a16568b128d523f4e2352be3a3830cddad6664ab18ce26e841773bc3a460cbbe
[INFO] running `"docker" "start" "-a" "a16568b128d523f4e2352be3a3830cddad6664ab18ce26e841773bc3a460cbbe"`
[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 0.94s
[INFO] running `"docker" "inspect" "a16568b128d523f4e2352be3a3830cddad6664ab18ce26e841773bc3a460cbbe"`
[INFO] running `"docker" "rm" "-f" "a16568b128d523f4e2352be3a3830cddad6664ab18ce26e841773bc3a460cbbe"`
[INFO] [stdout] a16568b128d523f4e2352be3a3830cddad6664ab18ce26e841773bc3a460cbbe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ab90080a1e612e1f523e1da7ea02c14f08b32df52a88af9b9c4ea8931b0930e
[INFO] running `"docker" "start" "-a" "1ab90080a1e612e1f523e1da7ea02c14f08b32df52a88af9b9c4ea8931b0930e"`
[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 0.82s
[INFO] running `"docker" "inspect" "1ab90080a1e612e1f523e1da7ea02c14f08b32df52a88af9b9c4ea8931b0930e"`
[INFO] running `"docker" "rm" "-f" "1ab90080a1e612e1f523e1da7ea02c14f08b32df52a88af9b9c4ea8931b0930e"`
[INFO] [stdout] 1ab90080a1e612e1f523e1da7ea02c14f08b32df52a88af9b9c4ea8931b0930e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 81b1dc09a7f35c08b64c5b3bb247446a17fb665bdada8181137dbdb378665a49
[INFO] running `"docker" "start" "-a" "81b1dc09a7f35c08b64c5b3bb247446a17fb665bdada8181137dbdb378665a49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sniper-2e9d8dde91771b09
[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" "81b1dc09a7f35c08b64c5b3bb247446a17fb665bdada8181137dbdb378665a49"`
[INFO] running `"docker" "rm" "-f" "81b1dc09a7f35c08b64c5b3bb247446a17fb665bdada8181137dbdb378665a49"`
[INFO] [stdout] 81b1dc09a7f35c08b64c5b3bb247446a17fb665bdada8181137dbdb378665a49