[INFO] updating cached repository darwins-challenge/starter-kit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/darwins-challenge/starter-kit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/darwins-challenge/starter-kit" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/darwins-challenge/starter-kit"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/darwins-challenge/starter-kit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/darwins-challenge/starter-kit" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/darwins-challenge/starter-kit"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/darwins-challenge/starter-kit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3645439da05c974455cd900cdcff41838f4081e8
[INFO] sha for GitHub repo darwins-challenge/starter-kit: 3645439da05c974455cd900cdcff41838f4081e8
[INFO] validating manifest of darwins-challenge/starter-kit on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of darwins-challenge/starter-kit on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing darwins-challenge/starter-kit
[INFO] removed path dependency moonlander-gp from darwins-challenge/starter-kit
[INFO] finished frobbing darwins-challenge/starter-kit
[INFO] frobbed toml for darwins-challenge/starter-kit written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/darwins-challenge/starter-kit/Cargo.toml
[INFO] started frobbing darwins-challenge/starter-kit
[INFO] removed path dependency moonlander-gp from darwins-challenge/starter-kit
[INFO] finished frobbing darwins-challenge/starter-kit
[INFO] frobbed toml for darwins-challenge/starter-kit written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/darwins-challenge/starter-kit/Cargo.toml
[INFO] crate darwins-challenge/starter-kit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/darwins-challenge/starter-kit/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking darwins-challenge/starter-kit against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/darwins-challenge/starter-kit:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dba7544fba9156505cc66e8abed2c95f569a62f1aae4f675d101de1b2e74affe
[INFO] running `"docker" "start" "-a" "dba7544fba9156505cc66e8abed2c95f569a62f1aae4f675d101de1b2e74affe"`
[INFO] [stderr] warning: dependency (moonlander-gp) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking downcast v0.6.0
[INFO] [stderr]     Checking rayon v0.4.3
[INFO] [stderr]     Checking moonlander-gp v0.1.1
[INFO] [stderr]     Checking starter-kit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/fitness.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn score_program<P>(program: &P, _: &mut Rng) -> SimpleFitness where P: AstNode {
[INFO] [stderr]   |                         ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/fitness.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn score_program<P>(program: &P, _: &mut Rng) -> SimpleFitness where P: AstNode {
[INFO] [stderr]   |                         ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `"docker" "inspect" "dba7544fba9156505cc66e8abed2c95f569a62f1aae4f675d101de1b2e74affe"`
[INFO] running `"docker" "rm" "-f" "dba7544fba9156505cc66e8abed2c95f569a62f1aae4f675d101de1b2e74affe"`
[INFO] [stdout] dba7544fba9156505cc66e8abed2c95f569a62f1aae4f675d101de1b2e74affe