[INFO] updating cached repository https://github.com/duesee/rust_training_game_of_life
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 812ea79f043df0aebc08341ba67927d4d396bd42
[INFO] testing duesee/rust_training_game_of_life against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduesee%2Frust_training_game_of_life" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duesee/rust_training_game_of_life on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/duesee/rust_training_game_of_life
[INFO] finished tweaking git repo https://github.com/duesee/rust_training_game_of_life
[INFO] tweaked toml for git repo https://github.com/duesee/rust_training_game_of_life written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/duesee/rust_training_game_of_life already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 381684fdcb6c108c5ef8e56051901fa034ccfe0d9659c2e41cd17c3a33f606b0
[INFO] running `"docker" "start" "-a" "381684fdcb6c108c5ef8e56051901fa034ccfe0d9659c2e41cd17c3a33f606b0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/rustwide/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" "381684fdcb6c108c5ef8e56051901fa034ccfe0d9659c2e41cd17c3a33f606b0"`
[INFO] running `"docker" "rm" "-f" "381684fdcb6c108c5ef8e56051901fa034ccfe0d9659c2e41cd17c3a33f606b0"`
[INFO] [stdout] 381684fdcb6c108c5ef8e56051901fa034ccfe0d9659c2e41cd17c3a33f606b0