[INFO] updating cached repository https://github.com/st1hy/rust-guessing-game
[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] 2d0cb978c19163399629480907194db77ab5f7aa
[INFO] checking st1hy/rust-guessing-game against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fst1hy%2Frust-guessing-game" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/st1hy/rust-guessing-game on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/st1hy/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/st1hy/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/st1hy/rust-guessing-game written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/st1hy/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 48415bd26c371eba1abf965626d01e710e42917b6c6e6fb810bbd83d51e5c5be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "48415bd26c371eba1abf965626d01e710e42917b6c6e6fb810bbd83d51e5c5be"`
[INFO] [stderr]     Checking guessing_game v0.1.1 (/opt/rustwide/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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/random.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/iterate.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/prediction_random.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/prediction.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/mod.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone(&self) -> Box<GuessingMethod>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | type GuessingMethod = guessing::GuessingMethod;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[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: `guessing::GuessingMethod`
[INFO] [stderr]  --> src/guessing/random.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use guessing::GuessingMethod;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/random.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/iterate.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/prediction_random.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/prediction.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn clone(&self) -> Box<guessing::GuessingMethod> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/guessing/mod.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone(&self) -> Box<GuessingMethod>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuessingMethod`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 | type GuessingMethod = guessing::GuessingMethod;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn guessing::GuessingMethod`
[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" "48415bd26c371eba1abf965626d01e710e42917b6c6e6fb810bbd83d51e5c5be"`
[INFO] running `"docker" "rm" "-f" "48415bd26c371eba1abf965626d01e710e42917b6c6e6fb810bbd83d51e5c5be"`
[INFO] [stdout] 48415bd26c371eba1abf965626d01e710e42917b6c6e6fb810bbd83d51e5c5be