[INFO] updating cached repository flalom/name_finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flalom/name_finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flalom/name_finder" "work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flalom/name_finder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flalom/name_finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flalom/name_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9490905c326cf0c8d55407b9d305106598176f2e
[INFO] sha for GitHub repo flalom/name_finder: 9490905c326cf0c8d55407b9d305106598176f2e
[INFO] validating manifest of flalom/name_finder 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 flalom/name_finder 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 flalom/name_finder
[INFO] finished frobbing flalom/name_finder
[INFO] frobbed toml for flalom/name_finder written to work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder/Cargo.toml
[INFO] started frobbing flalom/name_finder
[INFO] finished frobbing flalom/name_finder
[INFO] frobbed toml for flalom/name_finder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flalom/name_finder/Cargo.toml
[INFO] crate flalom/name_finder 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 flalom/name_finder 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder:/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] 7c0f36c452798e3ac428318f13a6bd3b51beca70f24f8d811549d0972928cfc7
[INFO] running `"docker" "start" "-a" "7c0f36c452798e3ac428318f13a6bd3b51beca70f24f8d811549d0972928cfc7"`
[INFO] [stderr]    Compiling name_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for i in 1..=350 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     io::stdin().read_line(&mut letter1);
[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:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     io::stdin().read_line(&mut letter2);
[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 2.05s
[INFO] running `"docker" "inspect" "7c0f36c452798e3ac428318f13a6bd3b51beca70f24f8d811549d0972928cfc7"`
[INFO] running `"docker" "rm" "-f" "7c0f36c452798e3ac428318f13a6bd3b51beca70f24f8d811549d0972928cfc7"`
[INFO] [stdout] 7c0f36c452798e3ac428318f13a6bd3b51beca70f24f8d811549d0972928cfc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder:/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] 97d60304082fcb4ca90f9a61c3ba12aa76ca2f857a5855cf6c0d44a44584950b
[INFO] running `"docker" "start" "-a" "97d60304082fcb4ca90f9a61c3ba12aa76ca2f857a5855cf6c0d44a44584950b"`
[INFO] [stderr]    Compiling name_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for i in 1..=350 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     io::stdin().read_line(&mut letter1);
[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:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     io::stdin().read_line(&mut letter2);
[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 0.98s
[INFO] running `"docker" "inspect" "97d60304082fcb4ca90f9a61c3ba12aa76ca2f857a5855cf6c0d44a44584950b"`
[INFO] running `"docker" "rm" "-f" "97d60304082fcb4ca90f9a61c3ba12aa76ca2f857a5855cf6c0d44a44584950b"`
[INFO] [stdout] 97d60304082fcb4ca90f9a61c3ba12aa76ca2f857a5855cf6c0d44a44584950b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flalom/name_finder:/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] 51d2c74750816f4b5fc0cb295e67c8f5b75db81e5c7ee6d88b6b5264d1e2edec
[INFO] running `"docker" "start" "-a" "51d2c74750816f4b5fc0cb295e67c8f5b75db81e5c7ee6d88b6b5264d1e2edec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/name_finder-ce3339edda5d0a29
[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" "51d2c74750816f4b5fc0cb295e67c8f5b75db81e5c7ee6d88b6b5264d1e2edec"`
[INFO] running `"docker" "rm" "-f" "51d2c74750816f4b5fc0cb295e67c8f5b75db81e5c7ee6d88b6b5264d1e2edec"`
[INFO] [stdout] 51d2c74750816f4b5fc0cb295e67c8f5b75db81e5c7ee6d88b6b5264d1e2edec