[INFO] updating cached repository yakovs83/civics_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yakovs83/civics_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yakovs83/civics_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/yakovs83/civics_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/yakovs83/civics_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yakovs83/civics_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e666cfe6f1de16bbed3ca6cef54fe23c86fae74a
[INFO] sha for GitHub repo yakovs83/civics_test: e666cfe6f1de16bbed3ca6cef54fe23c86fae74a
[INFO] validating manifest of yakovs83/civics_test 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 yakovs83/civics_test 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 yakovs83/civics_test
[INFO] finished frobbing yakovs83/civics_test
[INFO] frobbed toml for yakovs83/civics_test written to work/ex/beta-1.37-6/sources/1.36.0/gh/yakovs83/civics_test/Cargo.toml
[INFO] started frobbing yakovs83/civics_test
[INFO] finished frobbing yakovs83/civics_test
[INFO] frobbed toml for yakovs83/civics_test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test/Cargo.toml
[INFO] crate yakovs83/civics_test 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 yakovs83/civics_test against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4b8d8a0a2922a16603d39c3bfa0bc1869e10050069c37c4d13b56380959eec56
[INFO] running `"docker" "start" "-a" "4b8d8a0a2922a16603d39c3bfa0bc1869e10050069c37c4d13b56380959eec56"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling civics_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         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 19.44s
[INFO] running `"docker" "inspect" "4b8d8a0a2922a16603d39c3bfa0bc1869e10050069c37c4d13b56380959eec56"`
[INFO] running `"docker" "rm" "-f" "4b8d8a0a2922a16603d39c3bfa0bc1869e10050069c37c4d13b56380959eec56"`
[INFO] [stdout] 4b8d8a0a2922a16603d39c3bfa0bc1869e10050069c37c4d13b56380959eec56
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 058c021d45542457398096be1c321727bdb8189c6a5bb29c620454a906f4f506
[INFO] running `"docker" "start" "-a" "058c021d45542457398096be1c321727bdb8189c6a5bb29c620454a906f4f506"`
[INFO] [stderr]    Compiling civics_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         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 0.88s
[INFO] running `"docker" "inspect" "058c021d45542457398096be1c321727bdb8189c6a5bb29c620454a906f4f506"`
[INFO] running `"docker" "rm" "-f" "058c021d45542457398096be1c321727bdb8189c6a5bb29c620454a906f4f506"`
[INFO] [stdout] 058c021d45542457398096be1c321727bdb8189c6a5bb29c620454a906f4f506
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yakovs83/civics_test:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 5b59b9f6c55ea4f50d8ee485ada809c0db63519255ab15c1daab15bd89cb3165
[INFO] running `"docker" "start" "-a" "5b59b9f6c55ea4f50d8ee485ada809c0db63519255ab15c1daab15bd89cb3165"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[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] [stderr]      Running /opt/crater/target/debug/deps/civics_test-431902b18f6309c2
[INFO] running `"docker" "inspect" "5b59b9f6c55ea4f50d8ee485ada809c0db63519255ab15c1daab15bd89cb3165"`
[INFO] running `"docker" "rm" "-f" "5b59b9f6c55ea4f50d8ee485ada809c0db63519255ab15c1daab15bd89cb3165"`
[INFO] [stdout] 5b59b9f6c55ea4f50d8ee485ada809c0db63519255ab15c1daab15bd89cb3165