[INFO] crate bipbuffer 0.1.1 is already in cache
[INFO] extracting crate bipbuffer 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/bipbuffer/0.1.1
[INFO] extracting crate bipbuffer 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bipbuffer/0.1.1
[INFO] validating manifest of bipbuffer-0.1.1 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 bipbuffer-0.1.1 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 bipbuffer-0.1.1
[INFO] finished frobbing bipbuffer-0.1.1
[INFO] frobbed toml for bipbuffer-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/bipbuffer/0.1.1/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 bipbuffer-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 687db8d8d919550fb5380c5d35dd988c2c31067ace447b8cb49ca25814dfa608
[INFO] running `"docker" "start" "-a" "687db8d8d919550fb5380c5d35dd988c2c31067ace447b8cb49ca25814dfa608"`
[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 0.42s
[INFO] running `"docker" "inspect" "687db8d8d919550fb5380c5d35dd988c2c31067ace447b8cb49ca25814dfa608"`
[INFO] running `"docker" "rm" "-f" "687db8d8d919550fb5380c5d35dd988c2c31067ace447b8cb49ca25814dfa608"`
[INFO] [stdout] 687db8d8d919550fb5380c5d35dd988c2c31067ace447b8cb49ca25814dfa608
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 39f9af4d58782c28c500a5f804695569d12db37f4be78c655cb03af3e592d0fd
[INFO] running `"docker" "start" "-a" "39f9af4d58782c28c500a5f804695569d12db37f4be78c655cb03af3e592d0fd"`
[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 1.12s
[INFO] running `"docker" "inspect" "39f9af4d58782c28c500a5f804695569d12db37f4be78c655cb03af3e592d0fd"`
[INFO] running `"docker" "rm" "-f" "39f9af4d58782c28c500a5f804695569d12db37f4be78c655cb03af3e592d0fd"`
[INFO] [stdout] 39f9af4d58782c28c500a5f804695569d12db37f4be78c655cb03af3e592d0fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] baea4507e29de701cfab056eafd4cc205865e895e2c5c0d5c71aad182ed4b9a2
[INFO] running `"docker" "start" "-a" "baea4507e29de701cfab056eafd4cc205865e895e2c5c0d5c71aad182ed4b9a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bipbuffer-cf62c2b8dcbe8fcb
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::read_empty ... ok
[INFO] [stdout] test tests::read_uncommitted ... ok
[INFO] [stdout] test tests::reserve_after_full_cycle ... 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::reserve_gt_overall_len ... ok
[INFO] [stdout] test tests::reserve_full ... ok
[INFO] [stdout] test tests::create_u32 ... ok
[INFO] [stdout] test tests::create_u8 ... 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" "baea4507e29de701cfab056eafd4cc205865e895e2c5c0d5c71aad182ed4b9a2"`
[INFO] running `"docker" "rm" "-f" "baea4507e29de701cfab056eafd4cc205865e895e2c5c0d5c71aad182ed4b9a2"`
[INFO] [stdout] baea4507e29de701cfab056eafd4cc205865e895e2c5c0d5c71aad182ed4b9a2