[INFO] crate metasolver 0.0.1 is already in cache
[INFO] extracting crate metasolver 0.0.1 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/metasolver/0.0.1
[INFO] extracting crate metasolver 0.0.1 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/metasolver/0.0.1
[INFO] validating manifest of metasolver-0.0.1 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metasolver-0.0.1 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metasolver-0.0.1
[INFO] finished frobbing metasolver-0.0.1
[INFO] frobbed toml for metasolver-0.0.1 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/metasolver/0.0.1/Cargo.toml
[INFO] started frobbing metasolver-0.0.1
[INFO] finished frobbing metasolver-0.0.1
[INFO] frobbed toml for metasolver-0.0.1 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/metasolver/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking metasolver-0.0.1 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/metasolver/0.0.1:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9131527386fd75ab3c7d13f966eac6ff7efabe1556dc15855fe4b92a465ec243
[INFO] running `"docker" "start" "-a" "9131527386fd75ab3c7d13f966eac6ff7efabe1556dc15855fe4b92a465ec243"`
[INFO] [stderr]     Checking metasolver v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: type `solution_formula` should have an upper camel case name
[INFO] [stderr]   --> examples/simulated_annealing_formula.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct solution_formula {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SolutionFormula`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "9131527386fd75ab3c7d13f966eac6ff7efabe1556dc15855fe4b92a465ec243"`
[INFO] running `"docker" "rm" "-f" "9131527386fd75ab3c7d13f966eac6ff7efabe1556dc15855fe4b92a465ec243"`
[INFO] [stdout] 9131527386fd75ab3c7d13f966eac6ff7efabe1556dc15855fe4b92a465ec243