[INFO] updating cached repository clouddra/connected_component
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/clouddra/connected_component
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/clouddra/connected_component" "work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/clouddra/connected_component" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clouddra/connected_component"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clouddra/connected_component'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bd17f018e1296fe9c058b091a874ffb4f6af6ba
[INFO] sha for GitHub repo clouddra/connected_component: 3bd17f018e1296fe9c058b091a874ffb4f6af6ba
[INFO] validating manifest of clouddra/connected_component 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 clouddra/connected_component 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 clouddra/connected_component
[INFO] finished frobbing clouddra/connected_component
[INFO] frobbed toml for clouddra/connected_component written to work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component/Cargo.toml
[INFO] started frobbing clouddra/connected_component
[INFO] finished frobbing clouddra/connected_component
[INFO] frobbed toml for clouddra/connected_component written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/clouddra/connected_component/Cargo.toml
[INFO] crate clouddra/connected_component 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 clouddra/connected_component against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 42dee202ceef5a80a0ca0da61436bc15f3313e117a338041d8964e6e044f3fd0
[INFO] running `"docker" "start" "-a" "42dee202ceef5a80a0ca0da61436bc15f3313e117a338041d8964e6e044f3fd0"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling connected_component v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     io::stdin().read_line(&mut input).and_then(|_| Ok(input.trim_right().to_string()))
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `"docker" "inspect" "42dee202ceef5a80a0ca0da61436bc15f3313e117a338041d8964e6e044f3fd0"`
[INFO] running `"docker" "rm" "-f" "42dee202ceef5a80a0ca0da61436bc15f3313e117a338041d8964e6e044f3fd0"`
[INFO] [stdout] 42dee202ceef5a80a0ca0da61436bc15f3313e117a338041d8964e6e044f3fd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b2fca35e95266ef08b761077d7fc405a90c21361de0463bc63a3a4a389a7d312
[INFO] running `"docker" "start" "-a" "b2fca35e95266ef08b761077d7fc405a90c21361de0463bc63a3a4a389a7d312"`
[INFO] [stderr]    Compiling connected_component v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     io::stdin().read_line(&mut input).and_then(|_| Ok(input.trim_right().to_string()))
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "b2fca35e95266ef08b761077d7fc405a90c21361de0463bc63a3a4a389a7d312"`
[INFO] running `"docker" "rm" "-f" "b2fca35e95266ef08b761077d7fc405a90c21361de0463bc63a3a4a389a7d312"`
[INFO] [stdout] b2fca35e95266ef08b761077d7fc405a90c21361de0463bc63a3a4a389a7d312
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/clouddra/connected_component:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 98b6f5ebcd9e9753a03f44b7becfa481b7e6d805762a55855af0df05480c06f3
[INFO] running `"docker" "start" "-a" "98b6f5ebcd9e9753a03f44b7becfa481b7e6d805762a55855af0df05480c06f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connected_component-6e3a2c90bffde2e1
[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" "98b6f5ebcd9e9753a03f44b7becfa481b7e6d805762a55855af0df05480c06f3"`
[INFO] running `"docker" "rm" "-f" "98b6f5ebcd9e9753a03f44b7becfa481b7e6d805762a55855af0df05480c06f3"`
[INFO] [stdout] 98b6f5ebcd9e9753a03f44b7becfa481b7e6d805762a55855af0df05480c06f3