[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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lentzi90/AI-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lentzi90/AI-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lentzi90/AI-playground" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lentzi90/AI-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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 master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lentzi90/AI-playground on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lentzi90/AI-playground against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] efae1badb4f8594cabdacd0c50c4faa114f07efe6e2186576eac9ad60ae8cc4e
[INFO] running `"docker" "start" "-a" "efae1badb4f8594cabdacd0c50c4faa114f07efe6e2186576eac9ad60ae8cc4e"`
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking mount v0.3.0
[INFO] [stderr]     Checking mount v0.3.0 (https://github.com/iron/mount.git#2c3d719b)
[INFO] [stderr]     Checking staticfile v0.4.0
[INFO] [stderr]     Checking 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] 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 3.24s
[INFO] running `"docker" "inspect" "efae1badb4f8594cabdacd0c50c4faa114f07efe6e2186576eac9ad60ae8cc4e"`
[INFO] running `"docker" "rm" "-f" "efae1badb4f8594cabdacd0c50c4faa114f07efe6e2186576eac9ad60ae8cc4e"`
[INFO] [stdout] efae1badb4f8594cabdacd0c50c4faa114f07efe6e2186576eac9ad60ae8cc4e