[INFO] crate rurel 0.1.2 is already in cache
[INFO] extracting crate rurel 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/rurel/0.1.2
[INFO] extracting crate rurel 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rurel/0.1.2
[INFO] validating manifest of rurel-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rurel-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/rurel/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rurel-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c49a49dc01857c02c9a4df830d7c55a5e52668bec49e49bcb66e88af8abefe0d
[INFO] running `"docker" "start" "-a" "c49a49dc01857c02c9a4df830d7c55a5e52668bec49e49bcb66e88af8abefe0d"`
[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 0.31s
[INFO] running `"docker" "inspect" "c49a49dc01857c02c9a4df830d7c55a5e52668bec49e49bcb66e88af8abefe0d"`
[INFO] running `"docker" "rm" "-f" "c49a49dc01857c02c9a4df830d7c55a5e52668bec49e49bcb66e88af8abefe0d"`
[INFO] [stdout] c49a49dc01857c02c9a4df830d7c55a5e52668bec49e49bcb66e88af8abefe0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb8aa4aa64477da69fde1e9cfd916699a9a7a7e37a96ab235c812241420159a5
[INFO] running `"docker" "start" "-a" "cb8aa4aa64477da69fde1e9cfd916699a9a7a7e37a96ab235c812241420159a5"`
[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 1.08s
[INFO] running `"docker" "inspect" "cb8aa4aa64477da69fde1e9cfd916699a9a7a7e37a96ab235c812241420159a5"`
[INFO] running `"docker" "rm" "-f" "cb8aa4aa64477da69fde1e9cfd916699a9a7a7e37a96ab235c812241420159a5"`
[INFO] [stdout] cb8aa4aa64477da69fde1e9cfd916699a9a7a7e37a96ab235c812241420159a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b1eca731bb76d07059febe6696a62c4b1878344a62a2c49696fbb5978f102f1b
[INFO] running `"docker" "start" "-a" "b1eca731bb76d07059febe6696a62c4b1878344a62a2c49696fbb5978f102f1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rurel-79f910e5da76331b
[INFO] [stderr]    Doc-tests rurel
[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] [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" "b1eca731bb76d07059febe6696a62c4b1878344a62a2c49696fbb5978f102f1b"`
[INFO] running `"docker" "rm" "-f" "b1eca731bb76d07059febe6696a62c4b1878344a62a2c49696fbb5978f102f1b"`
[INFO] [stdout] b1eca731bb76d07059febe6696a62c4b1878344a62a2c49696fbb5978f102f1b