[INFO] updating cached repository st1hy/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/st1hy/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/st1hy/rust-guessing-game" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/st1hy/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/st1hy/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/st1hy/rust-guessing-game" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/st1hy/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/st1hy/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d0cb978c19163399629480907194db77ab5f7aa
[INFO] sha for GitHub repo st1hy/rust-guessing-game: 2d0cb978c19163399629480907194db77ab5f7aa
[INFO] validating manifest of st1hy/rust-guessing-game on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of st1hy/rust-guessing-game on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing st1hy/rust-guessing-game
[INFO] finished frobbing st1hy/rust-guessing-game
[INFO] frobbed toml for st1hy/rust-guessing-game written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/st1hy/rust-guessing-game/Cargo.toml
[INFO] started frobbing st1hy/rust-guessing-game
[INFO] finished frobbing st1hy/rust-guessing-game
[INFO] frobbed toml for st1hy/rust-guessing-game written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/st1hy/rust-guessing-game/Cargo.toml
[INFO] crate st1hy/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/st1hy/rust-guessing-game/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking st1hy/rust-guessing-game against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/st1hy/rust-guessing-game:/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=forbid" "-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf7313c9cf5af6a946d9a9f7a99c0c1dc1ea660293479f72b4cc844185ef4aba
[INFO] running `"docker" "start" "-a" "bf7313c9cf5af6a946d9a9f7a99c0c1dc1ea660293479f72b4cc844185ef4aba"`
[INFO] [stderr]     Checking guessing_game v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stderr]  --> src/guessing/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stderr]  --> src/guessing/prediction_random.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{Range};
[INFO] [stderr]   |                           ^^^^^ no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IndependentSample`
[INFO] [stderr]  --> src/guessing/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `guessing::GuessingMethod`
[INFO] [stderr]  --> src/guessing/random.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use guessing::GuessingMethod;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stderr]  --> src/guessing/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stderr]  --> src/guessing/prediction_random.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{Range};
[INFO] [stderr]   |                           ^^^^^ no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IndependentSample`
[INFO] [stderr]  --> src/guessing/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] warning: unused import: `guessing::GuessingMethod`
[INFO] [stderr]  --> src/guessing/iterate.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use guessing::GuessingMethod;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `guessing::GuessingMethod`
[INFO] [stderr]  --> src/guessing/prediction_random.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use guessing::GuessingMethod;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `guessing::GuessingMethod`
[INFO] [stderr]  --> src/guessing/prediction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use guessing::GuessingMethod;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `guessing_game`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bf7313c9cf5af6a946d9a9f7a99c0c1dc1ea660293479f72b4cc844185ef4aba"`
[INFO] running `"docker" "rm" "-f" "bf7313c9cf5af6a946d9a9f7a99c0c1dc1ea660293479f72b4cc844185ef4aba"`
[INFO] [stdout] bf7313c9cf5af6a946d9a9f7a99c0c1dc1ea660293479f72b4cc844185ef4aba