[INFO] crate oasis-game-core 0.9.0 is already in cache
[INFO] extracting crate oasis-game-core 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/oasis-game-core/0.9.0
[INFO] extracting crate oasis-game-core 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/oasis-game-core/0.9.0
[INFO] validating manifest of oasis-game-core-0.9.0 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 oasis-game-core-0.9.0 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 oasis-game-core-0.9.0
[INFO] finished frobbing oasis-game-core-0.9.0
[INFO] frobbed toml for oasis-game-core-0.9.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/oasis-game-core/0.9.0/Cargo.toml
[INFO] started frobbing oasis-game-core-0.9.0
[INFO] finished frobbing oasis-game-core-0.9.0
[INFO] frobbed toml for oasis-game-core-0.9.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/oasis-game-core/0.9.0/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 oasis-game-core-0.9.0 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-6/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/oasis-game-core/0.9.0:/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] 475073d11983f03624327c5d14dd3e8623059db3b33221ee4d72e9355139f411
[INFO] running `"docker" "start" "-a" "475073d11983f03624327c5d14dd3e8623059db3b33221ee4d72e9355139f411"`
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling oasis-game-core v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[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/flow.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn on_turn_begin(&self, state: &mut UserState<T>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/flow.rs:28:71
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn on_turn_end(&self, state: &mut UserState<T>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:32:77
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn on_move(&self, state: &mut UserState<T>, _: &Move) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:54:53
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 game_move: &Move) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |         BadMove(err: Box<Error>) {
[INFO] [stderr]   |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |         FlowError(err: Box<Error>) {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         game.flow.on_turn_begin(&mut initial_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         self.game.flow.on_move(state, &game_move);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.game.flow.on_turn_end(state);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `"docker" "inspect" "475073d11983f03624327c5d14dd3e8623059db3b33221ee4d72e9355139f411"`
[INFO] running `"docker" "rm" "-f" "475073d11983f03624327c5d14dd3e8623059db3b33221ee4d72e9355139f411"`
[INFO] [stdout] 475073d11983f03624327c5d14dd3e8623059db3b33221ee4d72e9355139f411
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/oasis-game-core/0.9.0:/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] f985b2d46e632db97f0c6edfc3a9fbefb329c23d13861c37d76b09e3d5a62678
[INFO] running `"docker" "start" "-a" "f985b2d46e632db97f0c6edfc3a9fbefb329c23d13861c37d76b09e3d5a62678"`
[INFO] [stderr]    Compiling oasis-game-core v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn on_turn_begin(&self, state: &mut UserState<T>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:28:71
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn on_turn_end(&self, state: &mut UserState<T>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:32:77
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn on_move(&self, state: &mut UserState<T>, _: &Move) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow.rs:54:53
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 game_move: &Move) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |         BadMove(err: Box<Error>) {
[INFO] [stderr]   |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |         FlowError(err: Box<Error>) {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         game.flow.on_turn_begin(&mut initial_state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         self.game.flow.on_move(state, &game_move);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.game.flow.on_turn_end(state);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "f985b2d46e632db97f0c6edfc3a9fbefb329c23d13861c37d76b09e3d5a62678"`
[INFO] running `"docker" "rm" "-f" "f985b2d46e632db97f0c6edfc3a9fbefb329c23d13861c37d76b09e3d5a62678"`
[INFO] [stdout] f985b2d46e632db97f0c6edfc3a9fbefb329c23d13861c37d76b09e3d5a62678
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/oasis-game-core/0.9.0:/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] fe5ea89391be8f967165b7e9396664805f2b39f1152369f82718fe86c946c992
[INFO] running `"docker" "start" "-a" "fe5ea89391be8f967165b7e9396664805f2b39f1152369f82718fe86c946c992"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/oasis_game_core-7ce55fd34005aeb2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oasis-game-core
[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] running `"docker" "inspect" "fe5ea89391be8f967165b7e9396664805f2b39f1152369f82718fe86c946c992"`
[INFO] running `"docker" "rm" "-f" "fe5ea89391be8f967165b7e9396664805f2b39f1152369f82718fe86c946c992"`
[INFO] [stdout] fe5ea89391be8f967165b7e9396664805f2b39f1152369f82718fe86c946c992