[INFO] updating cached repository lentzi90/AI-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lentzi90/AI-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lentzi90/AI-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/lentzi90/AI-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lentzi90/AI-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lentzi90/AI-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lentzi90/AI-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lentzi90/AI-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 552e15117b50753ea248efe62d59acf72e9ce048
[INFO] sha for GitHub repo lentzi90/AI-playground: 552e15117b50753ea248efe62d59acf72e9ce048
[INFO] validating manifest of lentzi90/AI-playground 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 lentzi90/AI-playground 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 lentzi90/AI-playground
[INFO] finished frobbing lentzi90/AI-playground
[INFO] frobbed toml for lentzi90/AI-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/lentzi90/AI-playground/Cargo.toml
[INFO] started frobbing lentzi90/AI-playground
[INFO] finished frobbing lentzi90/AI-playground
[INFO] frobbed toml for lentzi90/AI-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lentzi90/AI-playground/Cargo.toml
[INFO] crate lentzi90/AI-playground 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 lentzi90/AI-playground 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-2/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/lentzi90/AI-playground:/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] 4dbe12118509f3452ab0c6e0d2d6d2a64819b950e545f5380b6c85b0b0e725a4
[INFO] running `"docker" "start" "-a" "4dbe12118509f3452ab0c6e0d2d6d2a64819b950e545f5380b6c85b0b0e725a4"`
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling mount v0.3.0 (https://github.com/iron/mount.git#2c3d719b)
[INFO] [stderr]    Compiling staticfile v0.4.0
[INFO] [stderr]    Compiling ai-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:185:23
[INFO] [stderr]     |
[INFO] [stderr] 185 |     Ok(Response::with((iron::status::Ok)))
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `"docker" "inspect" "4dbe12118509f3452ab0c6e0d2d6d2a64819b950e545f5380b6c85b0b0e725a4"`
[INFO] running `"docker" "rm" "-f" "4dbe12118509f3452ab0c6e0d2d6d2a64819b950e545f5380b6c85b0b0e725a4"`
[INFO] [stdout] 4dbe12118509f3452ab0c6e0d2d6d2a64819b950e545f5380b6c85b0b0e725a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/lentzi90/AI-playground:/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] c524515dd80e5078a626c017d6a12291f246838018cc50effa26ef826b1c8eae
[INFO] running `"docker" "start" "-a" "c524515dd80e5078a626c017d6a12291f246838018cc50effa26ef826b1c8eae"`
[INFO] [stderr]    Compiling ai-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:185:23
[INFO] [stderr]     |
[INFO] [stderr] 185 |     Ok(Response::with((iron::status::Ok)))
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "c524515dd80e5078a626c017d6a12291f246838018cc50effa26ef826b1c8eae"`
[INFO] running `"docker" "rm" "-f" "c524515dd80e5078a626c017d6a12291f246838018cc50effa26ef826b1c8eae"`
[INFO] [stdout] c524515dd80e5078a626c017d6a12291f246838018cc50effa26ef826b1c8eae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/lentzi90/AI-playground:/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] b76df3337cf2929fc8d9bd41b0de8274140dad17deee88c66eb9899b41f12853
[INFO] running `"docker" "start" "-a" "b76df3337cf2929fc8d9bd41b0de8274140dad17deee88c66eb9899b41f12853"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ai_playground-bcba61b4c8b9e088
[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" "b76df3337cf2929fc8d9bd41b0de8274140dad17deee88c66eb9899b41f12853"`
[INFO] running `"docker" "rm" "-f" "b76df3337cf2929fc8d9bd41b0de8274140dad17deee88c66eb9899b41f12853"`
[INFO] [stdout] b76df3337cf2929fc8d9bd41b0de8274140dad17deee88c66eb9899b41f12853