[INFO] crate rubbl_core 0.1.2 is already in cache
[INFO] extracting crate rubbl_core 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rubbl_core/0.1.2
[INFO] extracting crate rubbl_core 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rubbl_core/0.1.2
[INFO] validating manifest of rubbl_core-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 rubbl_core-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 rubbl_core-0.1.2
[INFO] finished frobbing rubbl_core-0.1.2
[INFO] frobbed toml for rubbl_core-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rubbl_core/0.1.2/Cargo.toml
[INFO] started frobbing rubbl_core-0.1.2
[INFO] finished frobbing rubbl_core-0.1.2
[INFO] frobbed toml for rubbl_core-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rubbl_core/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 rubbl_core-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rubbl_core/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e346c22bf237010b04bfb22c29226ec756d4ef09bf923da1b26d12df19def2b8
[INFO] running `"docker" "start" "-a" "e346c22bf237010b04bfb22c29226ec756d4ef09bf923da1b26d12df19def2b8"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rubbl_core v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/notify/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |     F: FnOnce(clap::ArgMatches<'a>, &mut NotificationBackend) -> StdResult<i32, E>,
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NotificationBackend`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `"docker" "inspect" "e346c22bf237010b04bfb22c29226ec756d4ef09bf923da1b26d12df19def2b8"`
[INFO] running `"docker" "rm" "-f" "e346c22bf237010b04bfb22c29226ec756d4ef09bf923da1b26d12df19def2b8"`
[INFO] [stdout] e346c22bf237010b04bfb22c29226ec756d4ef09bf923da1b26d12df19def2b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rubbl_core/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01f8c7e58943dc6b134acfcb6ffe3d5f0e1d6619ed7035e2b00ecbb241664122
[INFO] running `"docker" "start" "-a" "01f8c7e58943dc6b134acfcb6ffe3d5f0e1d6619ed7035e2b00ecbb241664122"`
[INFO] [stderr]    Compiling rubbl_core v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/notify/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |     F: FnOnce(clap::ArgMatches<'a>, &mut NotificationBackend) -> StdResult<i32, E>,
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NotificationBackend`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "01f8c7e58943dc6b134acfcb6ffe3d5f0e1d6619ed7035e2b00ecbb241664122"`
[INFO] running `"docker" "rm" "-f" "01f8c7e58943dc6b134acfcb6ffe3d5f0e1d6619ed7035e2b00ecbb241664122"`
[INFO] [stdout] 01f8c7e58943dc6b134acfcb6ffe3d5f0e1d6619ed7035e2b00ecbb241664122
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rubbl_core/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] efee9e9371cff545ab830b9bae902ed8239550a7303d65ea86b9c3a8373471b3
[INFO] running `"docker" "start" "-a" "efee9e9371cff545ab830b9bae902ed8239550a7303d65ea86b9c3a8373471b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rubbl_core-193500e9c9bf8a0e
[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 rubbl_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ctry (line 38) ... ignored
[INFO] [stdout] test src/notify/mod.rs - rn_note (line 87) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "efee9e9371cff545ab830b9bae902ed8239550a7303d65ea86b9c3a8373471b3"`
[INFO] running `"docker" "rm" "-f" "efee9e9371cff545ab830b9bae902ed8239550a7303d65ea86b9c3a8373471b3"`
[INFO] [stdout] efee9e9371cff545ab830b9bae902ed8239550a7303d65ea86b9c3a8373471b3