[INFO] crate ripb 0.3.0 is already in cache
[INFO] extracting crate ripb 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ripb/0.3.0
[INFO] extracting crate ripb 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ripb/0.3.0
[INFO] validating manifest of ripb-0.3.0 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 ripb-0.3.0 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 ripb-0.3.0
[INFO] finished frobbing ripb-0.3.0
[INFO] frobbed toml for ripb-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ripb/0.3.0/Cargo.toml
[INFO] started frobbing ripb-0.3.0
[INFO] finished frobbing ripb-0.3.0
[INFO] frobbed toml for ripb-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ripb/0.3.0/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 ripb-0.3.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ripb/0.3.0:/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] f9caf8fd69a92ced1e199c3fb43e9810e9dbb9046eacba413e0cdc3d9e775381
[INFO] running `"docker" "start" "-a" "f9caf8fd69a92ced1e199c3fb43e9810e9dbb9046eacba413e0cdc3d9e775381"`
[INFO] [stderr]    Compiling ripb v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "f9caf8fd69a92ced1e199c3fb43e9810e9dbb9046eacba413e0cdc3d9e775381"`
[INFO] running `"docker" "rm" "-f" "f9caf8fd69a92ced1e199c3fb43e9810e9dbb9046eacba413e0cdc3d9e775381"`
[INFO] [stdout] f9caf8fd69a92ced1e199c3fb43e9810e9dbb9046eacba413e0cdc3d9e775381
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ripb/0.3.0:/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] f58eafe2f3849cdd76edccefe420fd4122566b1e4139077e02472c235b2512de
[INFO] running `"docker" "start" "-a" "f58eafe2f3849cdd76edccefe420fd4122566b1e4139077e02472c235b2512de"`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling ripb v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `"docker" "inspect" "f58eafe2f3849cdd76edccefe420fd4122566b1e4139077e02472c235b2512de"`
[INFO] running `"docker" "rm" "-f" "f58eafe2f3849cdd76edccefe420fd4122566b1e4139077e02472c235b2512de"`
[INFO] [stdout] f58eafe2f3849cdd76edccefe420fd4122566b1e4139077e02472c235b2512de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ripb/0.3.0:/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] f9d8f2793eac72a35f67abd7273ab1ba8e8532cf3dbc46739bb8dd96c8d1fec4
[INFO] running `"docker" "start" "-a" "f9d8f2793eac72a35f67abd7273ab1ba8e8532cf3dbc46739bb8dd96c8d1fec4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ripb-b2b54fa2bf23e46c
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::can_send_a_simple_message_to_a_subscriber ... ok
[INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_multiple_threads ... ok
[INFO] [stdout] test tests::can_send_a_simple_message_to_2_subscribers ... ok
[INFO] [stdout] test tests::no_busyloop ... ignored
[INFO] [stdout] test tests::can_send_a_complex_message_to_a_subscriber ... ok
[INFO] [stdout] test tests::can_drop_the_bus_while_it_is_still_working ... ok
[INFO] [stdout] test tests::subscriber_on_a_dropped_bus_should_generate_dead_bus_error_on_subscribe ... ok
[INFO] [stdout] test tests::can_register_multiple_message_handlers_for_the_same_message_on_a_single_receiver ... ok
[INFO] [stdout] test tests::dropping_subscribers_drops_the_corresponding_subscription ... ok
[INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_cloned_instance ... ok
[INFO] [stderr]    Doc-tests ripb
[INFO] [stdout] test tests::can_unsubscribe_callbacks ... ok
[INFO] [stdout] test tests::cannot_receive_messages_in_a_dropped_subscriber ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 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" "f9d8f2793eac72a35f67abd7273ab1ba8e8532cf3dbc46739bb8dd96c8d1fec4"`
[INFO] running `"docker" "rm" "-f" "f9d8f2793eac72a35f67abd7273ab1ba8e8532cf3dbc46739bb8dd96c8d1fec4"`
[INFO] [stdout] f9d8f2793eac72a35f67abd7273ab1ba8e8532cf3dbc46739bb8dd96c8d1fec4