[INFO] fetching crate ring_buffer 0.1.1...
[INFO] extracting crate ring_buffer 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/ring_buffer/0.1.1
[INFO] extracting crate ring_buffer 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ring_buffer/0.1.1
[INFO] validating manifest of ring_buffer-0.1.1 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 ring_buffer-0.1.1 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 ring_buffer-0.1.1
[INFO] finished frobbing ring_buffer-0.1.1
[INFO] frobbed toml for ring_buffer-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ring_buffer/0.1.1/Cargo.toml
[INFO] started frobbing ring_buffer-0.1.1
[INFO] finished frobbing ring_buffer-0.1.1
[INFO] frobbed toml for ring_buffer-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ring_buffer/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ring_buffer-0.1.1 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/ring_buffer/0.1.1:/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] 4f5b2df319fb79526687cdc33f62c543c04ba961d60caa89bc059c8ae668d078
[INFO] running `"docker" "start" "-a" "4f5b2df319fb79526687cdc33f62c543c04ba961d60caa89bc059c8ae668d078"`
[INFO] [stderr]    Compiling ring_buffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "4f5b2df319fb79526687cdc33f62c543c04ba961d60caa89bc059c8ae668d078"`
[INFO] running `"docker" "rm" "-f" "4f5b2df319fb79526687cdc33f62c543c04ba961d60caa89bc059c8ae668d078"`
[INFO] [stdout] 4f5b2df319fb79526687cdc33f62c543c04ba961d60caa89bc059c8ae668d078
[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/ring_buffer/0.1.1:/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] 3691287f52a184bd81b4d19011639aaf4b61999e2c52fb0fe5077b55d0097b2d
[INFO] running `"docker" "start" "-a" "3691287f52a184bd81b4d19011639aaf4b61999e2c52fb0fe5077b55d0097b2d"`
[INFO] [stderr]    Compiling ring_buffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "3691287f52a184bd81b4d19011639aaf4b61999e2c52fb0fe5077b55d0097b2d"`
[INFO] running `"docker" "rm" "-f" "3691287f52a184bd81b4d19011639aaf4b61999e2c52fb0fe5077b55d0097b2d"`
[INFO] [stdout] 3691287f52a184bd81b4d19011639aaf4b61999e2c52fb0fe5077b55d0097b2d
[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/ring_buffer/0.1.1:/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] d307a72fb358b4660b2926d0ba8efa817e99f8019b11609cd383ac21d9464e63
[INFO] running `"docker" "start" "-a" "d307a72fb358b4660b2926d0ba8efa817e99f8019b11609cd383ac21d9464e63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ring_buffer-a459c61e568f1865
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ring_buffer
[INFO] [stdout] test tests::access_and_reallocations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::clear (line 202) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 187) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::front_mut (line 269) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::front (line 249) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::back (line 144) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::contains (line 225) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::back_mut (line 164) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::as_slices (line 98) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute (line 298) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_mut (line 332) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_mut_unchecked (line 397) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_empty (line 478) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_relative (line 426) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_unchecked (line 368) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_relative_mut (line 451) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_full (line 495) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 52) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::len (line 565) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::shrink_to (line 671) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push (line 613) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::reserve (line 646) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop (line 583) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::iter (line 514) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::iter_mut (line 539) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::shrink_to_fit (line 736) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::swap_absolute (line 803) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::swap_relative (line 762) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::with_capacity (line 67) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::truncate (line 837) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d307a72fb358b4660b2926d0ba8efa817e99f8019b11609cd383ac21d9464e63"`
[INFO] running `"docker" "rm" "-f" "d307a72fb358b4660b2926d0ba8efa817e99f8019b11609cd383ac21d9464e63"`
[INFO] [stdout] d307a72fb358b4660b2926d0ba8efa817e99f8019b11609cd383ac21d9464e63