[INFO] crate genetic_planner 0.4.0 is already in cache
[INFO] extracting crate genetic_planner 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/genetic_planner/0.4.0
[INFO] extracting crate genetic_planner 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic_planner/0.4.0
[INFO] validating manifest of genetic_planner-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of genetic_planner-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing genetic_planner-0.4.0
[INFO] finished frobbing genetic_planner-0.4.0
[INFO] frobbed toml for genetic_planner-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/genetic_planner/0.4.0/Cargo.toml
[INFO] started frobbing genetic_planner-0.4.0
[INFO] finished frobbing genetic_planner-0.4.0
[INFO] frobbed toml for genetic_planner-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic_planner/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing genetic_planner-0.4.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic_planner/0.4.0:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7b33be6b992f99b3ecec09e9d0402938c2bd27de7a652502b92bb1284be5ba77
[INFO] running `"docker" "start" "-a" "7b33be6b992f99b3ecec09e9d0402938c2bd27de7a652502b92bb1284be5ba77"`
[INFO] [stderr]    Compiling genetic_planner v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stderr]    --> src/genetic.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             self.individuals_and_scores.clone();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "7b33be6b992f99b3ecec09e9d0402938c2bd27de7a652502b92bb1284be5ba77"`
[INFO] running `"docker" "rm" "-f" "7b33be6b992f99b3ecec09e9d0402938c2bd27de7a652502b92bb1284be5ba77"`
[INFO] [stdout] 7b33be6b992f99b3ecec09e9d0402938c2bd27de7a652502b92bb1284be5ba77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic_planner/0.4.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f9c907e49f7cf72a5902990e95ca5989e48cfc6a2946d36aa3b231e13f578c3
[INFO] running `"docker" "start" "-a" "8f9c907e49f7cf72a5902990e95ca5989e48cfc6a2946d36aa3b231e13f578c3"`
[INFO] [stderr]    Compiling genetic_planner v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `println1` in this scope
[INFO] [stderr]    --> examples/maze.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     println1("[W] Wall\n [F] Finish \n <B> Bot\n");
[INFO] [stderr]     |     ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `genetic_planner`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stderr]    --> src/genetic.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             self.individuals_and_scores.clone();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8f9c907e49f7cf72a5902990e95ca5989e48cfc6a2946d36aa3b231e13f578c3"`
[INFO] running `"docker" "rm" "-f" "8f9c907e49f7cf72a5902990e95ca5989e48cfc6a2946d36aa3b231e13f578c3"`
[INFO] [stdout] 8f9c907e49f7cf72a5902990e95ca5989e48cfc6a2946d36aa3b231e13f578c3