[INFO] updating cached repository StelarCF/genetic_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/StelarCF/genetic_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/StelarCF/genetic_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/genetic_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/genetic_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/StelarCF/genetic_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/genetic_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/genetic_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ce0fbb3519cc2f7744dea052092da06b09d720a
[INFO] sha for GitHub repo StelarCF/genetic_test: 2ce0fbb3519cc2f7744dea052092da06b09d720a
[INFO] validating manifest of StelarCF/genetic_test 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 StelarCF/genetic_test 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 StelarCF/genetic_test
[INFO] finished frobbing StelarCF/genetic_test
[INFO] frobbed toml for StelarCF/genetic_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/genetic_test/Cargo.toml
[INFO] started frobbing StelarCF/genetic_test
[INFO] finished frobbing StelarCF/genetic_test
[INFO] frobbed toml for StelarCF/genetic_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/genetic_test/Cargo.toml
[INFO] crate StelarCF/genetic_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/genetic_test/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 StelarCF/genetic_test 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/genetic_test:/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] e7aad2232b9e014148ca8c77b25fdda655fd9550702e6bb9df30e6e6a4602350
[INFO] running `"docker" "start" "-a" "e7aad2232b9e014148ca8c77b25fdda655fd9550702e6bb9df30e6e6a4602350"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling genetic_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `rand::distributions::Range`, `rand::distributions::IndependentSample`
[INFO] [stderr]  --> src/main.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::{Exp, Range, IndependentSample};
[INFO] [stderr]   |                                ^^^^^  ^^^^^^^^^^^^^^^^^ no `IndependentSample` in `distributions`
[INFO] [stderr]   |                                |
[INFO] [stderr]   |                                no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::distributions::Exp': moved to rand_distr crate
[INFO] [stderr]  --> src/main.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::{Exp, Range, IndependentSample};
[INFO] [stderr]   |                           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::distributions::Exp': moved to rand_distr crate
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let distribution = Exp::new(1.0 / MUTATE_LAMBDA);
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::distributions::Exp': moved to rand_distr crate
[INFO] [stderr]    --> src/main.rs:196:28
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let distribution = Exp::new(1.0 / MUTATE_LAMBDA);
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::distributions::Exp': moved to rand_distr crate
[INFO] [stderr]    --> src/main.rs:260:28
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let distribution = Exp::new(1.0 / MUTATE_LAMBDA);
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `ind_sample` found for type `rand::distributions::Exp` in the current scope
[INFO] [stderr]    --> src/main.rs:128:44
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let mutation_factor = distribution.ind_sample(&mut rng);
[INFO] [stderr]     |                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `ind_sample` found for type `rand::distributions::Exp` in the current scope
[INFO] [stderr]    --> src/main.rs:197:44
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let mutation_factor = distribution.ind_sample(&mut rng);
[INFO] [stderr]     |                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `ind_sample` found for type `rand::distributions::Exp` in the current scope
[INFO] [stderr]    --> src/main.rs:261:44
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mutation_factor = distribution.ind_sample(&mut rng);
[INFO] [stderr]     |                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `genetic_test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7aad2232b9e014148ca8c77b25fdda655fd9550702e6bb9df30e6e6a4602350"`
[INFO] running `"docker" "rm" "-f" "e7aad2232b9e014148ca8c77b25fdda655fd9550702e6bb9df30e6e6a4602350"`
[INFO] [stdout] e7aad2232b9e014148ca8c77b25fdda655fd9550702e6bb9df30e6e6a4602350