[INFO] updating cached repository https://github.com/duesee/rust_training_game_of_life
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] checking duesee/rust_training_game_of_life against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduesee%2Frust_training_game_of_life" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duesee/rust_training_game_of_life on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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 /workspace/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 `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 400d2727e616c74cefdc15e16b30d915a29fa4d3bdc0178c019203388b3c9984
[INFO] running `"docker" "start" "-a" "400d2727e616c74cefdc15e16b30d915a29fa4d3bdc0178c019203388b3c9984"`
[INFO] [stderr]     Checking 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] 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[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] 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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "400d2727e616c74cefdc15e16b30d915a29fa4d3bdc0178c019203388b3c9984"`
[INFO] running `"docker" "rm" "-f" "400d2727e616c74cefdc15e16b30d915a29fa4d3bdc0178c019203388b3c9984"`
[INFO] [stdout] 400d2727e616c74cefdc15e16b30d915a29fa4d3bdc0178c019203388b3c9984