[INFO] updating cached repository alvinmatias69/simulated_annealing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alvinmatias69/simulated_annealing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alvinmatias69/simulated_annealing" "work/ex/beta-1.37-6/sources/1.36.0/gh/alvinmatias69/simulated_annealing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alvinmatias69/simulated_annealing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alvinmatias69/simulated_annealing" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alvinmatias69/simulated_annealing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alvinmatias69/simulated_annealing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa0e88b0dc2e8804d331e493417c8550744b674d
[INFO] sha for GitHub repo alvinmatias69/simulated_annealing: aa0e88b0dc2e8804d331e493417c8550744b674d
[INFO] validating manifest of alvinmatias69/simulated_annealing 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 alvinmatias69/simulated_annealing 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 alvinmatias69/simulated_annealing
[INFO] finished frobbing alvinmatias69/simulated_annealing
[INFO] frobbed toml for alvinmatias69/simulated_annealing written to work/ex/beta-1.37-6/sources/1.36.0/gh/alvinmatias69/simulated_annealing/Cargo.toml
[INFO] started frobbing alvinmatias69/simulated_annealing
[INFO] finished frobbing alvinmatias69/simulated_annealing
[INFO] frobbed toml for alvinmatias69/simulated_annealing written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alvinmatias69/simulated_annealing/Cargo.toml
[INFO] crate alvinmatias69/simulated_annealing 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 alvinmatias69/simulated_annealing 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-7/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/alvinmatias69/simulated_annealing:/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] cd9cea4601af8f16621a97d60fe0271392d2a317e658cda4ab539f63b5f8d02e
[INFO] running `"docker" "start" "-a" "cd9cea4601af8f16621a97d60fe0271392d2a317e658cda4ab539f63b5f8d02e"`
[INFO] [stderr]    Compiling simulated_annealing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for i in 0..100 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "cd9cea4601af8f16621a97d60fe0271392d2a317e658cda4ab539f63b5f8d02e"`
[INFO] running `"docker" "rm" "-f" "cd9cea4601af8f16621a97d60fe0271392d2a317e658cda4ab539f63b5f8d02e"`
[INFO] [stdout] cd9cea4601af8f16621a97d60fe0271392d2a317e658cda4ab539f63b5f8d02e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/alvinmatias69/simulated_annealing:/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] 7732cb0bbdc8ed10467e24f211083f3328a65fa82c47df7c2a9a801eacccd8e0
[INFO] running `"docker" "start" "-a" "7732cb0bbdc8ed10467e24f211083f3328a65fa82c47df7c2a9a801eacccd8e0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simulated_annealing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for i in 0..100 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "7732cb0bbdc8ed10467e24f211083f3328a65fa82c47df7c2a9a801eacccd8e0"`
[INFO] running `"docker" "rm" "-f" "7732cb0bbdc8ed10467e24f211083f3328a65fa82c47df7c2a9a801eacccd8e0"`
[INFO] [stdout] 7732cb0bbdc8ed10467e24f211083f3328a65fa82c47df7c2a9a801eacccd8e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/alvinmatias69/simulated_annealing:/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] 911bb90a45ed1fe0f141e6a31e7935b51d065809ab93e40d246c2c9e089af534
[INFO] running `"docker" "start" "-a" "911bb90a45ed1fe0f141e6a31e7935b51d065809ab93e40d246c2c9e089af534"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simulated_annealing-9975d48982f0d2cf
[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" "911bb90a45ed1fe0f141e6a31e7935b51d065809ab93e40d246c2c9e089af534"`
[INFO] running `"docker" "rm" "-f" "911bb90a45ed1fe0f141e6a31e7935b51d065809ab93e40d246c2c9e089af534"`
[INFO] [stdout] 911bb90a45ed1fe0f141e6a31e7935b51d065809ab93e40d246c2c9e089af534