[INFO] crate appendbuf 0.1.6 is already in cache
[INFO] extracting crate appendbuf 0.1.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/appendbuf/0.1.6
[INFO] extracting crate appendbuf 0.1.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/appendbuf/0.1.6
[INFO] validating manifest of appendbuf-0.1.6 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 appendbuf-0.1.6 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 appendbuf-0.1.6
[INFO] finished frobbing appendbuf-0.1.6
[INFO] frobbed toml for appendbuf-0.1.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/appendbuf/0.1.6/Cargo.toml
[INFO] started frobbing appendbuf-0.1.6
[INFO] finished frobbing appendbuf-0.1.6
[INFO] frobbed toml for appendbuf-0.1.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/appendbuf/0.1.6/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] [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" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing appendbuf-0.1.6 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-0/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/appendbuf/0.1.6:/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] dcd7e26343fee054b254480fc3ef695a99666f13292d658f0439f4e4cf84fb7b
[INFO] running `"docker" "start" "-a" "dcd7e26343fee054b254480fc3ef695a99666f13292d658f0439f4e4cf84fb7b"`
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "dcd7e26343fee054b254480fc3ef695a99666f13292d658f0439f4e4cf84fb7b"`
[INFO] running `"docker" "rm" "-f" "dcd7e26343fee054b254480fc3ef695a99666f13292d658f0439f4e4cf84fb7b"`
[INFO] [stdout] dcd7e26343fee054b254480fc3ef695a99666f13292d658f0439f4e4cf84fb7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/appendbuf/0.1.6:/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] feb4593acba93b796473f9774af1dc3b3e34844ca9f524bb6d551e0bda82951e
[INFO] running `"docker" "start" "-a" "feb4593acba93b796473f9774af1dc3b3e34844ca9f524bb6d551e0bda82951e"`
[INFO] [stderr]    Compiling appendbuf v0.1.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "feb4593acba93b796473f9774af1dc3b3e34844ca9f524bb6d551e0bda82951e"`
[INFO] running `"docker" "rm" "-f" "feb4593acba93b796473f9774af1dc3b3e34844ca9f524bb6d551e0bda82951e"`
[INFO] [stdout] feb4593acba93b796473f9774af1dc3b3e34844ca9f524bb6d551e0bda82951e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/appendbuf/0.1.6:/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] 7ddd71d135f2606edf7da695f83c0db9d129db56dbbcdabff39dfbadeac9cce4
[INFO] running `"docker" "start" "-a" "7ddd71d135f2606edf7da695f83c0db9d129db56dbbcdabff39dfbadeac9cce4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/appendbuf-caaa5f79fcd8049f
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_slice_then_write ... ok
[INFO] [stdout] test test_slice_slicing ... ok
[INFO] [stdout] test test_slice_bounds_edge_cases ... ok
[INFO] [stdout] test test_overlong_write ... ok
[INFO] [stdout] test test_write_and_slice ... ok
[INFO] [stdout] test test_many_writes ... ok
[INFO] [stdout] test test_convert_from_vec ... ok
[INFO] [stderr]    Doc-tests appendbuf
[INFO] [stdout] test test_slice_to_bounds_checks ... ok
[INFO] [stdout] test test_slice_from_bounds_checks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 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" "7ddd71d135f2606edf7da695f83c0db9d129db56dbbcdabff39dfbadeac9cce4"`
[INFO] running `"docker" "rm" "-f" "7ddd71d135f2606edf7da695f83c0db9d129db56dbbcdabff39dfbadeac9cce4"`
[INFO] [stdout] 7ddd71d135f2606edf7da695f83c0db9d129db56dbbcdabff39dfbadeac9cce4