[INFO] crate flamme-rouge 0.1.0 is already in cache
[INFO] extracting crate flamme-rouge 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/flamme-rouge/0.1.0
[INFO] extracting crate flamme-rouge 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flamme-rouge/0.1.0
[INFO] validating manifest of flamme-rouge-0.1.0 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 flamme-rouge-0.1.0 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 flamme-rouge-0.1.0
[INFO] finished frobbing flamme-rouge-0.1.0
[INFO] frobbed toml for flamme-rouge-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/flamme-rouge/0.1.0/Cargo.toml
[INFO] started frobbing flamme-rouge-0.1.0
[INFO] finished frobbing flamme-rouge-0.1.0
[INFO] frobbed toml for flamme-rouge-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flamme-rouge/0.1.0/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 flamme-rouge-0.1.0 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-4/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/flamme-rouge/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9b3d2d3d89c58db9a899768c497ba3e0c2ececd18d9159c68b0dc56053bd1aa0
[INFO] running `"docker" "start" "-a" "9b3d2d3d89c58db9a899768c497ba3e0c2ececd18d9159c68b0dc56053bd1aa0"`
[INFO] [stderr]    Compiling card_deck v0.1.8
[INFO] [stderr]    Compiling flamme-rouge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[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/core.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match scores.get(&winner) {
[INFO] [stderr]    |               ------ immutable borrow occurs here
[INFO] [stderr] 41 |             Some(n) => scores.insert(winner, n + 1),
[INFO] [stderr]    |                        ^^^^^^                - immutable borrow later used here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "9b3d2d3d89c58db9a899768c497ba3e0c2ececd18d9159c68b0dc56053bd1aa0"`
[INFO] running `"docker" "rm" "-f" "9b3d2d3d89c58db9a899768c497ba3e0c2ececd18d9159c68b0dc56053bd1aa0"`
[INFO] [stdout] 9b3d2d3d89c58db9a899768c497ba3e0c2ececd18d9159c68b0dc56053bd1aa0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/flamme-rouge/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c9ad35d3feb2c8040e7a6cc09a5f9cff6e52a37b54b81e710c8f695d01a1a662
[INFO] running `"docker" "start" "-a" "c9ad35d3feb2c8040e7a6cc09a5f9cff6e52a37b54b81e710c8f695d01a1a662"`
[INFO] [stderr]    Compiling flamme-rouge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[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/core.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match scores.get(&winner) {
[INFO] [stderr]    |               ------ immutable borrow occurs here
[INFO] [stderr] 41 |             Some(n) => scores.insert(winner, n + 1),
[INFO] [stderr]    |                        ^^^^^^                - immutable borrow later used here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "c9ad35d3feb2c8040e7a6cc09a5f9cff6e52a37b54b81e710c8f695d01a1a662"`
[INFO] running `"docker" "rm" "-f" "c9ad35d3feb2c8040e7a6cc09a5f9cff6e52a37b54b81e710c8f695d01a1a662"`
[INFO] [stdout] c9ad35d3feb2c8040e7a6cc09a5f9cff6e52a37b54b81e710c8f695d01a1a662
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/flamme-rouge/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] bd73cab46e9c138efb30fb88e32e4a89cac9d416a59c6bf545ab722b65c6ee9b
[INFO] running `"docker" "start" "-a" "bd73cab46e9c138efb30fb88e32e4a89cac9d416a59c6bf545ab722b65c6ee9b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamme_lib-c5880dccaa63fd99
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamme_runner-a0f6d8cee1788cdf
[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] [stderr]    Doc-tests flamme_lib
[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 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" "bd73cab46e9c138efb30fb88e32e4a89cac9d416a59c6bf545ab722b65c6ee9b"`
[INFO] running `"docker" "rm" "-f" "bd73cab46e9c138efb30fb88e32e4a89cac9d416a59c6bf545ab722b65c6ee9b"`
[INFO] [stdout] bd73cab46e9c138efb30fb88e32e4a89cac9d416a59c6bf545ab722b65c6ee9b