[INFO] updating cached repository duesee/rust_training_game_of_life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/duesee/rust_training_game_of_life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/duesee/rust_training_game_of_life" "work/ex/beta-1.38-1/sources/1.37.0/gh/duesee/rust_training_game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/duesee/rust_training_game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/duesee/rust_training_game_of_life" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duesee/rust_training_game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duesee/rust_training_game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 812ea79f043df0aebc08341ba67927d4d396bd42
[INFO] sha for GitHub repo duesee/rust_training_game_of_life: 812ea79f043df0aebc08341ba67927d4d396bd42
[INFO] validating manifest of duesee/rust_training_game_of_life 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 duesee/rust_training_game_of_life 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 duesee/rust_training_game_of_life
[INFO] finished frobbing duesee/rust_training_game_of_life
[INFO] frobbed toml for duesee/rust_training_game_of_life written to work/ex/beta-1.38-1/sources/1.37.0/gh/duesee/rust_training_game_of_life/Cargo.toml
[INFO] started frobbing duesee/rust_training_game_of_life
[INFO] finished frobbing duesee/rust_training_game_of_life
[INFO] frobbed toml for duesee/rust_training_game_of_life written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duesee/rust_training_game_of_life/Cargo.toml
[INFO] crate duesee/rust_training_game_of_life 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/duesee/rust_training_game_of_life/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] 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 duesee/rust_training_game_of_life 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-6/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/duesee/rust_training_game_of_life:/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] 9a8b0d0812aafa428999bfde4110887b9300ab12287d9439eba4614931f05a54
[INFO] running `"docker" "start" "-a" "9a8b0d0812aafa428999bfde4110887b9300ab12287d9439eba4614931f05a54"`
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling rust_training_game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::IndependentSample`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::distributions::IndependentSample;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Range` in `distributions`
[INFO] [stderr]   --> src/lib.rs:40:44
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let between = rand::distributions::Range::new(0, 100);
[INFO] [stderr]    |                                            ^^^^^ could not find `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:128:24
[INFO] [stderr]     |
[INFO] [stderr] 128 |                     253...255 if self.fadeout => try!(write!(f, "◍")), // cell died <= 2 gens ago
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     249...253 if self.fadeout => try!(write!(f, "○")), // cell died <= 4 gens ago
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |                     241...249 if self.fadeout => try!(write!(f, "◌")), // cell died <= 8 gens ago
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rust_training_game_of_life`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9a8b0d0812aafa428999bfde4110887b9300ab12287d9439eba4614931f05a54"`
[INFO] running `"docker" "rm" "-f" "9a8b0d0812aafa428999bfde4110887b9300ab12287d9439eba4614931f05a54"`
[INFO] [stdout] 9a8b0d0812aafa428999bfde4110887b9300ab12287d9439eba4614931f05a54