[INFO] updating cached repository lagooj/check_redis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lagooj/check_redis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lagooj/check_redis" "work/ex/beta-1.38-1/sources/1.37.0/gh/lagooj/check_redis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lagooj/check_redis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lagooj/check_redis" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lagooj/check_redis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lagooj/check_redis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c07981cf6846880daf12265c4d5f34c9c203bd05
[INFO] sha for GitHub repo lagooj/check_redis: c07981cf6846880daf12265c4d5f34c9c203bd05
[INFO] validating manifest of lagooj/check_redis 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 lagooj/check_redis 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 lagooj/check_redis
[INFO] finished frobbing lagooj/check_redis
[INFO] frobbed toml for lagooj/check_redis written to work/ex/beta-1.38-1/sources/1.37.0/gh/lagooj/check_redis/Cargo.toml
[INFO] started frobbing lagooj/check_redis
[INFO] finished frobbing lagooj/check_redis
[INFO] frobbed toml for lagooj/check_redis written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lagooj/check_redis/Cargo.toml
[INFO] crate lagooj/check_redis 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 lagooj/check_redis 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/lagooj/check_redis:/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] 361bb8d060859fb23d0c2cff0e2d78acc7abab3e8303066cbe9d68ea4d55093d
[INFO] running `"docker" "start" "-a" "361bb8d060859fb23d0c2cff0e2d78acc7abab3e8303066cbe9d68ea4d55093d"`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling combine v3.6.3
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]    Compiling check_redis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.48s
[INFO] running `"docker" "inspect" "361bb8d060859fb23d0c2cff0e2d78acc7abab3e8303066cbe9d68ea4d55093d"`
[INFO] running `"docker" "rm" "-f" "361bb8d060859fb23d0c2cff0e2d78acc7abab3e8303066cbe9d68ea4d55093d"`
[INFO] [stdout] 361bb8d060859fb23d0c2cff0e2d78acc7abab3e8303066cbe9d68ea4d55093d
[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/lagooj/check_redis:/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] c3bed91cf88708611b1057fdc5c545b9717e5183eea9b945153b0a724bacadf6
[INFO] running `"docker" "start" "-a" "c3bed91cf88708611b1057fdc5c545b9717e5183eea9b945153b0a724bacadf6"`
[INFO] [stderr]    Compiling check_redis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let mut vec = vec![24,12];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "c3bed91cf88708611b1057fdc5c545b9717e5183eea9b945153b0a724bacadf6"`
[INFO] running `"docker" "rm" "-f" "c3bed91cf88708611b1057fdc5c545b9717e5183eea9b945153b0a724bacadf6"`
[INFO] [stdout] c3bed91cf88708611b1057fdc5c545b9717e5183eea9b945153b0a724bacadf6
[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/lagooj/check_redis:/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] f3d1ac24d477f9f503eae39227650dcfcfeaaa9796adbfdba21bb8046d6c607a
[INFO] running `"docker" "start" "-a" "f3d1ac24d477f9f503eae39227650dcfcfeaaa9796adbfdba21bb8046d6c607a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/check_redis-b54237661c7899b3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::percent_50 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f3d1ac24d477f9f503eae39227650dcfcfeaaa9796adbfdba21bb8046d6c607a"`
[INFO] running `"docker" "rm" "-f" "f3d1ac24d477f9f503eae39227650dcfcfeaaa9796adbfdba21bb8046d6c607a"`
[INFO] [stdout] f3d1ac24d477f9f503eae39227650dcfcfeaaa9796adbfdba21bb8046d6c607a