[INFO] crate bipbuffer 0.1.1 is already in cache
[INFO] extracting crate bipbuffer 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/bipbuffer/0.1.1
[INFO] extracting crate bipbuffer 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bipbuffer/0.1.1
[INFO] validating manifest of bipbuffer-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 bipbuffer-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 bipbuffer-0.1.1
[INFO] finished frobbing bipbuffer-0.1.1
[INFO] frobbed toml for bipbuffer-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/bipbuffer/0.1.1/Cargo.toml
[INFO] started frobbing bipbuffer-0.1.1
[INFO] finished frobbing bipbuffer-0.1.1
[INFO] frobbed toml for bipbuffer-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bipbuffer/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bipbuffer-0.1.1 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-7/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/bipbuffer/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5585af046b1c30c23768f1e67a7efd859d6f1ddd430fa0dd5fac7f9cdd03cbcf
[INFO] running `"docker" "start" "-a" "5585af046b1c30c23768f1e67a7efd859d6f1ddd430fa0dd5fac7f9cdd03cbcf"`
[INFO] [stderr]    Compiling bipbuffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "5585af046b1c30c23768f1e67a7efd859d6f1ddd430fa0dd5fac7f9cdd03cbcf"`
[INFO] running `"docker" "rm" "-f" "5585af046b1c30c23768f1e67a7efd859d6f1ddd430fa0dd5fac7f9cdd03cbcf"`
[INFO] [stdout] 5585af046b1c30c23768f1e67a7efd859d6f1ddd430fa0dd5fac7f9cdd03cbcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/bipbuffer/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 48b2351e999599e3c84b1d80fcaa608213bef22481202e846bb393ad553799a1
[INFO] running `"docker" "start" "-a" "48b2351e999599e3c84b1d80fcaa608213bef22481202e846bb393ad553799a1"`
[INFO] [stderr]    Compiling bipbuffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "48b2351e999599e3c84b1d80fcaa608213bef22481202e846bb393ad553799a1"`
[INFO] running `"docker" "rm" "-f" "48b2351e999599e3c84b1d80fcaa608213bef22481202e846bb393ad553799a1"`
[INFO] [stdout] 48b2351e999599e3c84b1d80fcaa608213bef22481202e846bb393ad553799a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/bipbuffer/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 08cfb1c6ed7c0fbd8a087b70ed15baee6c67f72f0ef09787269fef90709b26e7
[INFO] running `"docker" "start" "-a" "08cfb1c6ed7c0fbd8a087b70ed15baee6c67f72f0ef09787269fef90709b26e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bipbuffer-91147afb743e5798
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::create_u32 ... ok
[INFO] [stdout] test tests::create_u8 ... ok
[INFO] [stdout] test tests::commit_and_fetch ... ok
[INFO] [stdout] test tests::decommit ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::read_empty ... ok
[INFO] [stdout] test tests::reserve_after_full_cycle ... ok
[INFO] [stdout] test tests::read_uncommitted ... ok
[INFO] [stdout] test tests::reserve_full ... ok
[INFO] [stdout] test tests::reserve_gt_overall_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bipbuffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08cfb1c6ed7c0fbd8a087b70ed15baee6c67f72f0ef09787269fef90709b26e7"`
[INFO] running `"docker" "rm" "-f" "08cfb1c6ed7c0fbd8a087b70ed15baee6c67f72f0ef09787269fef90709b26e7"`
[INFO] [stdout] 08cfb1c6ed7c0fbd8a087b70ed15baee6c67f72f0ef09787269fef90709b26e7