[INFO] updating cached repository RobinMcNally/LandbaseOptimizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RobinMcNally/LandbaseOptimizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RobinMcNally/LandbaseOptimizer" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/RobinMcNally/LandbaseOptimizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/RobinMcNally/LandbaseOptimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RobinMcNally/LandbaseOptimizer" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/RobinMcNally/LandbaseOptimizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/RobinMcNally/LandbaseOptimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17664a450a6d2e6ccf1ebefbf8b7b93c8a4e7d05
[INFO] sha for GitHub repo RobinMcNally/LandbaseOptimizer: 17664a450a6d2e6ccf1ebefbf8b7b93c8a4e7d05
[INFO] validating manifest of RobinMcNally/LandbaseOptimizer on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RobinMcNally/LandbaseOptimizer on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RobinMcNally/LandbaseOptimizer
[INFO] finished frobbing RobinMcNally/LandbaseOptimizer
[INFO] frobbed toml for RobinMcNally/LandbaseOptimizer written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/RobinMcNally/LandbaseOptimizer/Cargo.toml
[INFO] started frobbing RobinMcNally/LandbaseOptimizer
[INFO] finished frobbing RobinMcNally/LandbaseOptimizer
[INFO] frobbed toml for RobinMcNally/LandbaseOptimizer written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/RobinMcNally/LandbaseOptimizer/Cargo.toml
[INFO] crate RobinMcNally/LandbaseOptimizer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/RobinMcNally/LandbaseOptimizer/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" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RobinMcNally/LandbaseOptimizer against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-3/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/RobinMcNally/LandbaseOptimizer:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b44704fc672024f22e0bc80842ec4e49c2cba82bea67719cd1b19b187cb7cd5
[INFO] running `"docker" "start" "-a" "1b44704fc672024f22e0bc80842ec4e49c2cba82bea67719cd1b19b187cb7cd5"`
[INFO] [stderr]     Checking landbase_optimizer v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `cardcolorfitness`
[INFO] [stderr]  --> src/support/genetic.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use support::fitness::{cardcolorfitness, cardcolorfitnesssum};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/support/fitness.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stderr]  --> src/support/fitness.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cardcolorfitness`
[INFO] [stderr]  --> src/support/genetic.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use support::fitness::{cardcolorfitness, cardcolorfitnesssum};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/support/fitness.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stderr]  --> src/support/fitness.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "1b44704fc672024f22e0bc80842ec4e49c2cba82bea67719cd1b19b187cb7cd5"`
[INFO] running `"docker" "rm" "-f" "1b44704fc672024f22e0bc80842ec4e49c2cba82bea67719cd1b19b187cb7cd5"`
[INFO] [stdout] 1b44704fc672024f22e0bc80842ec4e49c2cba82bea67719cd1b19b187cb7cd5