[INFO] cloning repository bupknar/speeltuin
[INFO] running `"git" "clone" "--bare" "git://github.com/bupknar/speeltuin.git" "work/cache/sources/gh/bupknar/speeltuin"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bupknar/speeltuin'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bupknar/speeltuin" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bupknar/speeltuin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bupknar/speeltuin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bupknar/speeltuin" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bupknar/speeltuin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bupknar/speeltuin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b131f9e36ec4e576541b9ffba0e91f00b90a8ce7
[INFO] sha for GitHub repo bupknar/speeltuin: b131f9e36ec4e576541b9ffba0e91f00b90a8ce7
[INFO] validating manifest of bupknar/speeltuin on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bupknar/speeltuin on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bupknar/speeltuin
[INFO] finished frobbing bupknar/speeltuin
[INFO] frobbed toml for bupknar/speeltuin written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bupknar/speeltuin/Cargo.toml
[INFO] started frobbing bupknar/speeltuin
[INFO] finished frobbing bupknar/speeltuin
[INFO] frobbed toml for bupknar/speeltuin written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/bupknar/speeltuin/Cargo.toml
[INFO] crate bupknar/speeltuin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bupknar/speeltuin against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/bupknar/speeltuin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d2e7ddb51b37d8e2844980b763e1bb7278058a5d47b01eac4bd0ec96f9ef24ab
[INFO] running `"docker" "start" "-a" "d2e7ddb51b37d8e2844980b763e1bb7278058a5d47b01eac4bd0ec96f9ef24ab"`
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking speeltuin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]    --> src/main.rs:116:16
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn dot_pattern(conn: engine::Connection) {}
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/main.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn decrease(self, input: impl Source<Output = bool>) -> Throttle {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/main.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn increase(self, input: impl Source<Output = bool>) -> Throttle {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]    --> src/main.rs:116:16
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn dot_pattern(conn: engine::Connection) {}
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/main.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn decrease(self, input: impl Source<Output = bool>) -> Throttle {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/main.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn increase(self, input: impl Source<Output = bool>) -> Throttle {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "d2e7ddb51b37d8e2844980b763e1bb7278058a5d47b01eac4bd0ec96f9ef24ab"`
[INFO] running `"docker" "rm" "-f" "d2e7ddb51b37d8e2844980b763e1bb7278058a5d47b01eac4bd0ec96f9ef24ab"`
[INFO] [stdout] d2e7ddb51b37d8e2844980b763e1bb7278058a5d47b01eac4bd0ec96f9ef24ab