[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 689fa4c320a2a3696bffd150b58945967b84f9f2fe91a81bc0199c995bb1c7a3
[INFO] running `"docker" "start" "-a" "689fa4c320a2a3696bffd150b58945967b84f9f2fe91a81bc0199c995bb1c7a3"`
[INFO] [stderr]    Compiling card_deck v0.1.8
[INFO] [stderr]    Compiling flamme-rouge v0.1.0 (/opt/crater/workdir)
[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 2.93s
[INFO] running `"docker" "inspect" "689fa4c320a2a3696bffd150b58945967b84f9f2fe91a81bc0199c995bb1c7a3"`
[INFO] running `"docker" "rm" "-f" "689fa4c320a2a3696bffd150b58945967b84f9f2fe91a81bc0199c995bb1c7a3"`
[INFO] [stdout] 689fa4c320a2a3696bffd150b58945967b84f9f2fe91a81bc0199c995bb1c7a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51793fcf2716b55f762c33fea9fa42c3f4cc4ab41008ce00220567ffa6605f44
[INFO] running `"docker" "start" "-a" "51793fcf2716b55f762c33fea9fa42c3f4cc4ab41008ce00220567ffa6605f44"`
[INFO] [stderr]    Compiling flamme-rouge v0.1.0 (/opt/crater/workdir)
[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 1.12s
[INFO] running `"docker" "inspect" "51793fcf2716b55f762c33fea9fa42c3f4cc4ab41008ce00220567ffa6605f44"`
[INFO] running `"docker" "rm" "-f" "51793fcf2716b55f762c33fea9fa42c3f4cc4ab41008ce00220567ffa6605f44"`
[INFO] [stdout] 51793fcf2716b55f762c33fea9fa42c3f4cc4ab41008ce00220567ffa6605f44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] de224ebce6fe166ebad48074e9e4d50667d5eea99f3ff1d505a94ec00997efce
[INFO] running `"docker" "start" "-a" "de224ebce6fe166ebad48074e9e4d50667d5eea99f3ff1d505a94ec00997efce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flamme_lib-97908991b26de5c6
[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]      Running /opt/crater/target/debug/deps/flamme_runner-2cfada7420299e46
[INFO] [stderr]    Doc-tests flamme_lib
[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 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" "de224ebce6fe166ebad48074e9e4d50667d5eea99f3ff1d505a94ec00997efce"`
[INFO] running `"docker" "rm" "-f" "de224ebce6fe166ebad48074e9e4d50667d5eea99f3ff1d505a94ec00997efce"`
[INFO] [stdout] de224ebce6fe166ebad48074e9e4d50667d5eea99f3ff1d505a94ec00997efce