[INFO] crate rurel 0.1.2 is already in cache
[INFO] extracting crate rurel 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rurel/0.1.2
[INFO] extracting crate rurel 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rurel/0.1.2
[INFO] validating manifest of rurel-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rurel-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rurel-0.1.2
[INFO] removed 0 missing examples
[INFO] finished frobbing rurel-0.1.2
[INFO] frobbed toml for rurel-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rurel/0.1.2/Cargo.toml
[INFO] started frobbing rurel-0.1.2
[INFO] removed 0 missing examples
[INFO] finished frobbing rurel-0.1.2
[INFO] frobbed toml for rurel-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rurel/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rurel-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rurel/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 263cf1d1d79934eabc0b2634fcc1c4c8d8b78a601416760051d43a6be63f5f6b
[INFO] running `"docker" "start" "-a" "263cf1d1d79934eabc0b2634fcc1c4c8d8b78a601416760051d43a6be63f5f6b"`
[INFO] [stderr]    Compiling rurel v0.1.2 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "263cf1d1d79934eabc0b2634fcc1c4c8d8b78a601416760051d43a6be63f5f6b"`
[INFO] running `"docker" "rm" "-f" "263cf1d1d79934eabc0b2634fcc1c4c8d8b78a601416760051d43a6be63f5f6b"`
[INFO] [stdout] 263cf1d1d79934eabc0b2634fcc1c4c8d8b78a601416760051d43a6be63f5f6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rurel/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae67b4c9d6668a86dcdc12fa910b17dae9d3648184cfa8a43d4249d6a9a237aa
[INFO] running `"docker" "start" "-a" "ae67b4c9d6668a86dcdc12fa910b17dae9d3648184cfa8a43d4249d6a9a237aa"`
[INFO] [stderr]    Compiling rurel v0.1.2 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "ae67b4c9d6668a86dcdc12fa910b17dae9d3648184cfa8a43d4249d6a9a237aa"`
[INFO] running `"docker" "rm" "-f" "ae67b4c9d6668a86dcdc12fa910b17dae9d3648184cfa8a43d4249d6a9a237aa"`
[INFO] [stdout] ae67b4c9d6668a86dcdc12fa910b17dae9d3648184cfa8a43d4249d6a9a237aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rurel/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2d50d6b73dfd7a81fa6b9ca25722a59520934ec8591e2d1dc8a97be60798762c
[INFO] running `"docker" "start" "-a" "2d50d6b73dfd7a81fa6b9ca25722a59520934ec8591e2d1dc8a97be60798762c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rurel-974a57a16fe60efa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rurel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2d50d6b73dfd7a81fa6b9ca25722a59520934ec8591e2d1dc8a97be60798762c"`
[INFO] running `"docker" "rm" "-f" "2d50d6b73dfd7a81fa6b9ca25722a59520934ec8591e2d1dc8a97be60798762c"`
[INFO] [stdout] 2d50d6b73dfd7a81fa6b9ca25722a59520934ec8591e2d1dc8a97be60798762c