[INFO] crate netbuf 0.4.1 is already in cache
[INFO] extracting crate netbuf 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/netbuf/0.4.1
[INFO] extracting crate netbuf 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netbuf/0.4.1
[INFO] validating manifest of netbuf-0.4.1 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 netbuf-0.4.1 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 netbuf-0.4.1
[INFO] finished frobbing netbuf-0.4.1
[INFO] frobbed toml for netbuf-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/netbuf/0.4.1/Cargo.toml
[INFO] started frobbing netbuf-0.4.1
[INFO] finished frobbing netbuf-0.4.1
[INFO] frobbed toml for netbuf-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netbuf/0.4.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing netbuf-0.4.1 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-5/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/netbuf/0.4.1:/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] ec2b35a381a28616b719d574964515be37f2a7f046d899179a3eda7609a92ddd
[INFO] running `"docker" "start" "-a" "ec2b35a381a28616b719d574964515be37f2a7f046d899179a3eda7609a92ddd"`
[INFO] [stderr]    Compiling netbuf v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "ec2b35a381a28616b719d574964515be37f2a7f046d899179a3eda7609a92ddd"`
[INFO] running `"docker" "rm" "-f" "ec2b35a381a28616b719d574964515be37f2a7f046d899179a3eda7609a92ddd"`
[INFO] [stdout] ec2b35a381a28616b719d574964515be37f2a7f046d899179a3eda7609a92ddd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/netbuf/0.4.1:/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] aa6152cdf11fcc465e174e6af52d0fa52bd7ca2915f00c245eb4402cb5be8db4
[INFO] running `"docker" "start" "-a" "aa6152cdf11fcc465e174e6af52d0fa52bd7ca2915f00c245eb4402cb5be8db4"`
[INFO] [stderr]    Compiling mockstream v0.0.2
[INFO] [stderr]    Compiling netbuf v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "aa6152cdf11fcc465e174e6af52d0fa52bd7ca2915f00c245eb4402cb5be8db4"`
[INFO] running `"docker" "rm" "-f" "aa6152cdf11fcc465e174e6af52d0fa52bd7ca2915f00c245eb4402cb5be8db4"`
[INFO] [stdout] aa6152cdf11fcc465e174e6af52d0fa52bd7ca2915f00c245eb4402cb5be8db4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/netbuf/0.4.1:/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] db42d1c9b16764b43c1e6a7c8a22a3a5995ed0b2ca358d51f5631bfa9dc0efef
[INFO] running `"docker" "start" "-a" "db42d1c9b16764b43c1e6a7c8a22a3a5995ed0b2ca358d51f5631bfa9dc0efef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/netbuf-350863d2a2e27165
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test buf::test::consumed_into ... ok
[INFO] [stdout] test buf::test::empty_write_to_empty ... ok
[INFO] [stdout] test buf::test::empty ... ok
[INFO] [stdout] test buf::test::consume_ranges ... ok
[INFO] [stdout] test buf::test::consume_all ... ok
[INFO] [stdout] test buf::test::extend_consume_write ... ok
[INFO] [stdout] test buf::test::extend_consume_extend ... ok
[INFO] [stdout] test buf::test::extend_empty ... ok
[INFO] [stdout] test buf::test::extend_write ... ok
[INFO] [stdout] test buf::test::mut_ranges ... ok
[INFO] [stdout] test buf::test::get_mut ... ok
[INFO] [stdout] test buf::test::index ... ok
[INFO] [stdout] test buf::test::get ... ok
[INFO] [stdout] test buf::test::read_max_from ... ok
[INFO] [stdout] test buf::test::read_max_from_empty ... ok
[INFO] [stdout] test buf::test::read_from_empty ... ok
[INFO] [stdout] test buf::test::read_from ... ok
[INFO] [stdout] test buf::test::read_from_err ... ok
[INFO] [stdout] test buf::test::ranges ... ok
[INFO] [stdout] test buf::test::into ... ok
[INFO] [stdout] test buf::test::index_mut ... ok
[INFO] [stdout] test buf::test::split_off_realloc_self ... ok
[INFO] [stdout] test buf::test::two_extends ... ok
[INFO] [stdout] test buf::test::two_reads ... ok
[INFO] [stdout] test buf::test::two_writes ... ok
[INFO] [stdout] test buf::test::write_extend ... ok
[INFO] [stdout] test buf::test::write_to ... ok
[INFO] [stdout] test buf::test::size32 ... ok
[INFO] [stdout] test buf::test::split_off_alloc_tail ... ok
[INFO] [stdout] test buf::test::read_max_from_err ... ok
[INFO] [stdout] test buf::test::remove_ranges ... ok
[INFO] [stdout] test buf::test::realloc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netbuf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/buf.rs - buf::Buf::remove_range (line 173) ... ignored
[INFO] [stdout] test src/buf.rs - buf::Buf::split_off (line 369) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "db42d1c9b16764b43c1e6a7c8a22a3a5995ed0b2ca358d51f5631bfa9dc0efef"`
[INFO] running `"docker" "rm" "-f" "db42d1c9b16764b43c1e6a7c8a22a3a5995ed0b2ca358d51f5631bfa9dc0efef"`
[INFO] [stdout] db42d1c9b16764b43c1e6a7c8a22a3a5995ed0b2ca358d51f5631bfa9dc0efef