[INFO] fetching crate rurel 0.1.2...
[INFO] checking rurel-0.1.2 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate rurel 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rurel 0.1.2 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rurel 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rurel 0.1.2
[INFO] tweaked toml for crates.io crate rurel 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] f0ec2dfe3d65338937917abc7f766091d30093acd11d9622be9bb59ad91589c5
[INFO] running `"docker" "start" "-a" "f0ec2dfe3d65338937917abc7f766091d30093acd11d9622be9bb59ad91589c5"`
[INFO] [stderr]     Checking rurel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/explore/random.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn pick_action(&self, agent: &mut Agent<S>) -> S::A {
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[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/strategy/explore/mod.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn pick_action(&self, &mut Agent<S>) -> S::A;
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                  agent: &mut Agent<S>,
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:38
[INFO] [stderr]     |
[INFO] [stderr] 125 |                  learning_strategy: &LearningStrategy<S>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LearningStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:45
[INFO] [stderr]     |
[INFO] [stderr] 126 |                  termination_strategy: &mut TerminationStrategy<S>,
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminationStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:41
[INFO] [stderr]     |
[INFO] [stderr] 127 |                  exploration_strategy: &ExplorationStrategy<S>)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorationStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strategy/explore/random.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn pick_action(&self, agent: &mut Agent<S>) -> S::A {
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[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/strategy/explore/mod.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn pick_action(&self, &mut Agent<S>) -> S::A;
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                  agent: &mut Agent<S>,
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn Agent<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:38
[INFO] [stderr]     |
[INFO] [stderr] 125 |                  learning_strategy: &LearningStrategy<S>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LearningStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:45
[INFO] [stderr]     |
[INFO] [stderr] 126 |                  termination_strategy: &mut TerminationStrategy<S>,
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminationStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:41
[INFO] [stderr]     |
[INFO] [stderr] 127 |                  exploration_strategy: &ExplorationStrategy<S>)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorationStrategy<S>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "f0ec2dfe3d65338937917abc7f766091d30093acd11d9622be9bb59ad91589c5"`
[INFO] running `"docker" "rm" "-f" "f0ec2dfe3d65338937917abc7f766091d30093acd11d9622be9bb59ad91589c5"`
[INFO] [stdout] f0ec2dfe3d65338937917abc7f766091d30093acd11d9622be9bb59ad91589c5