Dec 15 20:40:08.899 INFO testing buffering-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 20:40:08.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 20:40:09.080 INFO [stdout] de63ec4d0baa8e2edd2e656641e5a9535bea0d1310c2ed965f2c96a7f07d6780
Dec 15 20:40:09.085 INFO running `"docker" "start" "-a" "de63ec4d0baa8e2edd2e656641e5a9535bea0d1310c2ed965f2c96a7f07d6780"`
Dec 15 20:40:09.770 INFO [stderr] usermod: no changes
Dec 15 20:40:09.804 INFO [stderr]    Compiling buffering_nocopy_macro v0.1.0
Dec 15 20:40:11.689 INFO [stderr]    Compiling buffering v0.2.0 (/source)
Dec 15 20:40:12.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
Dec 15 20:40:12.384 INFO [stderr] su: No module specific data is present
Dec 15 20:40:12.820 INFO running `"docker" "inspect" "de63ec4d0baa8e2edd2e656641e5a9535bea0d1310c2ed965f2c96a7f07d6780"`
Dec 15 20:40:12.919 INFO running `"docker" "rm" "-f" "de63ec4d0baa8e2edd2e656641e5a9535bea0d1310c2ed965f2c96a7f07d6780"`
Dec 15 20:40:12.995 INFO [stdout] de63ec4d0baa8e2edd2e656641e5a9535bea0d1310c2ed965f2c96a7f07d6780
Dec 15 20:40:12.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 20:40:13.190 INFO [stdout] 4aeb423475aaeef4de356d85ef171dac438a8e5744db281e34f9904fcedd4e56
Dec 15 20:40:13.192 INFO running `"docker" "start" "-a" "4aeb423475aaeef4de356d85ef171dac438a8e5744db281e34f9904fcedd4e56"`
Dec 15 20:40:13.642 INFO [stderr] usermod: no changes
Dec 15 20:40:13.683 INFO [stderr]    Compiling buffering v0.2.0 (/source)
Dec 15 20:40:14.472 INFO [stderr] warning: unused attribute
Dec 15 20:40:14.472 INFO [stderr]   --> src/lib.rs:18:9
Dec 15 20:40:14.472 INFO [stderr]    |
Dec 15 20:40:14.472 INFO [stderr] 18 |         #[name = "TestBufferThing"]
Dec 15 20:40:14.472 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:40:14.472 INFO [stderr]    |
Dec 15 20:40:14.472 INFO [stderr]    = note: #[warn(unused_attributes)] on by default
Dec 15 20:40:14.472 INFO [stderr] 
Dec 15 20:40:14.479 INFO [stderr] warning: unused attribute
Dec 15 20:40:14.479 INFO [stderr]   --> src/lib.rs:30:13
Dec 15 20:40:14.479 INFO [stderr]    |
Dec 15 20:40:14.479 INFO [stderr] 30 |             #[endian = "big"]
Dec 15 20:40:14.479 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 15 20:40:14.479 INFO [stderr] 
Dec 15 20:40:14.479 INFO [stderr] warning: unused attribute
Dec 15 20:40:14.479 INFO [stderr]   --> src/lib.rs:28:9
Dec 15 20:40:14.479 INFO [stderr]    |
Dec 15 20:40:14.479 INFO [stderr] 28 |         #[name = "TestBufferThingTwo"]
Dec 15 20:40:14.479 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:40:14.479 INFO [stderr] 
Dec 15 20:40:14.479 INFO [stderr] warning: unused attribute
Dec 15 20:40:14.479 INFO [stderr]   --> src/lib.rs:40:13
Dec 15 20:40:14.479 INFO [stderr]    |
Dec 15 20:40:14.479 INFO [stderr] 40 |             #[endian = "little"]
Dec 15 20:40:14.479 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 15 20:40:14.479 INFO [stderr] 
Dec 15 20:40:14.479 INFO [stderr] warning: unused attribute
Dec 15 20:40:14.479 INFO [stderr]   --> src/lib.rs:38:9
Dec 15 20:40:14.479 INFO [stderr]    |
Dec 15 20:40:14.479 INFO [stderr] 38 |         #[name = "TestBufferThingThree"]
Dec 15 20:40:14.479 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:40:14.479 INFO [stderr] 
Dec 15 20:40:14.742 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 15 20:40:14.746 INFO [stderr] su: No module specific data is present
Dec 15 20:40:15.548 INFO running `"docker" "inspect" "4aeb423475aaeef4de356d85ef171dac438a8e5744db281e34f9904fcedd4e56"`
Dec 15 20:40:15.705 INFO running `"docker" "rm" "-f" "4aeb423475aaeef4de356d85ef171dac438a8e5744db281e34f9904fcedd4e56"`
Dec 15 20:40:15.822 INFO [stdout] 4aeb423475aaeef4de356d85ef171dac438a8e5744db281e34f9904fcedd4e56
Dec 15 20:40:15.824 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 20:40:16.004 INFO [stdout] 59fcf6ef4e699334972c63c5eb6b05b58612b3c39701c9c3953fbf4fd62c3f95
Dec 15 20:40:16.006 INFO running `"docker" "start" "-a" "59fcf6ef4e699334972c63c5eb6b05b58612b3c39701c9c3953fbf4fd62c3f95"`
Dec 15 20:40:16.626 INFO [stderr] usermod: no changes
Dec 15 20:40:16.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 20:40:16.663 INFO [stderr]      Running /target/debug/deps/buffering-522a13f66aa1a754
Dec 15 20:40:16.667 INFO [stderr]    Doc-tests buffering
Dec 15 20:40:16.667 INFO [stdout] 
Dec 15 20:40:16.667 INFO [stdout] running 1 test
Dec 15 20:40:16.667 INFO [stdout] test test::test_proc_macro ... ok
Dec 15 20:40:16.667 INFO [stdout] 
Dec 15 20:40:16.667 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:16.667 INFO [stdout] 
Dec 15 20:40:17.676 INFO [stdout] 
Dec 15 20:40:17.676 INFO [stdout] running 0 tests
Dec 15 20:40:17.676 INFO [stdout] 
Dec 15 20:40:17.676 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:17.676 INFO [stdout] 
Dec 15 20:40:17.684 INFO [stderr] su: No module specific data is present
Dec 15 20:40:18.035 INFO running `"docker" "inspect" "59fcf6ef4e699334972c63c5eb6b05b58612b3c39701c9c3953fbf4fd62c3f95"`
Dec 15 20:40:18.128 INFO running `"docker" "rm" "-f" "59fcf6ef4e699334972c63c5eb6b05b58612b3c39701c9c3953fbf4fd62c3f95"`
Dec 15 20:40:18.263 INFO [stdout] 59fcf6ef4e699334972c63c5eb6b05b58612b3c39701c9c3953fbf4fd62c3f95