[INFO] crate bytes_chain 1.1.8 is already in cache
[INFO] extracting crate bytes_chain 1.1.8 into work/ex/beta-1.37-6/sources/1.36.0/reg/bytes_chain/1.1.8
[INFO] extracting crate bytes_chain 1.1.8 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bytes_chain/1.1.8
[INFO] validating manifest of bytes_chain-1.1.8 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 bytes_chain-1.1.8 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 bytes_chain-1.1.8
[INFO] finished frobbing bytes_chain-1.1.8
[INFO] frobbed toml for bytes_chain-1.1.8 written to work/ex/beta-1.37-6/sources/1.36.0/reg/bytes_chain/1.1.8/Cargo.toml
[INFO] started frobbing bytes_chain-1.1.8
[INFO] finished frobbing bytes_chain-1.1.8
[INFO] frobbed toml for bytes_chain-1.1.8 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bytes_chain/1.1.8/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 bytes_chain-1.1.8 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bytes_chain/1.1.8:/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] ee522683d74328304e289c17bf66fffd4ed0b173bec0fa60d480cd74de825e41
[INFO] running `"docker" "start" "-a" "ee522683d74328304e289c17bf66fffd4ed0b173bec0fa60d480cd74de825e41"`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `NumberAble` is imported redundantly
[INFO] [stderr]    --> src/buffer.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::NumberAble;
[INFO] [stderr]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 141 |         use crate::NumberAble;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "ee522683d74328304e289c17bf66fffd4ed0b173bec0fa60d480cd74de825e41"`
[INFO] running `"docker" "rm" "-f" "ee522683d74328304e289c17bf66fffd4ed0b173bec0fa60d480cd74de825e41"`
[INFO] [stdout] ee522683d74328304e289c17bf66fffd4ed0b173bec0fa60d480cd74de825e41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bytes_chain/1.1.8:/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] 5197dcfe4823d9642dc6b9e831816bcf0d6b963c2b24582da95d81480fb1973d
[INFO] running `"docker" "start" "-a" "5197dcfe4823d9642dc6b9e831816bcf0d6b963c2b24582da95d81480fb1973d"`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `NumberAble` is imported redundantly
[INFO] [stderr]    --> src/buffer.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::NumberAble;
[INFO] [stderr]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 141 |         use crate::NumberAble;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "5197dcfe4823d9642dc6b9e831816bcf0d6b963c2b24582da95d81480fb1973d"`
[INFO] running `"docker" "rm" "-f" "5197dcfe4823d9642dc6b9e831816bcf0d6b963c2b24582da95d81480fb1973d"`
[INFO] [stdout] 5197dcfe4823d9642dc6b9e831816bcf0d6b963c2b24582da95d81480fb1973d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bytes_chain/1.1.8:/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] 6ecf69bcfecfed1c01f3773a083cac353b8c755ff6d04a01bb3d71115cb7c268
[INFO] running `"docker" "start" "-a" "6ecf69bcfecfed1c01f3773a083cac353b8c755ff6d04a01bb3d71115cb7c268"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bytes_chain-f7f9863d1852ff78
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test buffer::test_bytes_buffer_slice ... ok
[INFO] [stdout] test buffer::test_buffer_in_buffer ... ok
[INFO] [stdout] test buffer::test_bytes_buffer_normal ... ok
[INFO] [stdout] test buffer::test_io_buf ... ok
[INFO] [stdout] test buffer::test_buffer_truncate ... ok
[INFO] [stdout] test number::test_number_for_buffer ... ok
[INFO] [stdout] test number::test_number_for_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bytes_chain
[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" "6ecf69bcfecfed1c01f3773a083cac353b8c755ff6d04a01bb3d71115cb7c268"`
[INFO] running `"docker" "rm" "-f" "6ecf69bcfecfed1c01f3773a083cac353b8c755ff6d04a01bb3d71115cb7c268"`
[INFO] [stdout] 6ecf69bcfecfed1c01f3773a083cac353b8c755ff6d04a01bb3d71115cb7c268