[INFO] cloning repository m-dahl/hello-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/m-dahl/hello-rust.git" "work/cache/sources/gh/m-dahl/hello-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/m-dahl/hello-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/m-dahl/hello-rust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/m-dahl/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/m-dahl/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/m-dahl/hello-rust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/m-dahl/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/m-dahl/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0c4fc0c8d232cf72548e1cdd2f759610a85a253
[INFO] sha for GitHub repo m-dahl/hello-rust: d0c4fc0c8d232cf72548e1cdd2f759610a85a253
[INFO] validating manifest of m-dahl/hello-rust 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 m-dahl/hello-rust 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 m-dahl/hello-rust
[INFO] finished frobbing m-dahl/hello-rust
[INFO] frobbed toml for m-dahl/hello-rust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/m-dahl/hello-rust/Cargo.toml
[INFO] started frobbing m-dahl/hello-rust
[INFO] finished frobbing m-dahl/hello-rust
[INFO] frobbed toml for m-dahl/hello-rust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/m-dahl/hello-rust/Cargo.toml
[INFO] crate m-dahl/hello-rust 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 m-dahl/hello-rust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/m-dahl/hello-rust:/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] 88850e4066d72a24b18fbc0bab06fddc31ce0f4923094cf3318368705ed493d7
[INFO] running `"docker" "start" "-a" "88850e4066d72a24b18fbc0bab06fddc31ce0f4923094cf3318368705ed493d7"`
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `SPJsonError`
[INFO] [stderr]    --> src/test.rs:106:1
[INFO] [stderr]     |
[INFO] [stderr] 106 | type SPJsonError = serde_json::Error;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]    --> src/test.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn test(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `make`
[INFO] [stderr]    --> src/test.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn make<T>(value: T) -> Result<SPAttributes, SPJsonError> where T: Serialize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `"docker" "inspect" "88850e4066d72a24b18fbc0bab06fddc31ce0f4923094cf3318368705ed493d7"`
[INFO] running `"docker" "rm" "-f" "88850e4066d72a24b18fbc0bab06fddc31ce0f4923094cf3318368705ed493d7"`
[INFO] [stdout] 88850e4066d72a24b18fbc0bab06fddc31ce0f4923094cf3318368705ed493d7