Dec 15 20:39:56.064 INFO testing buffoon-0.5.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 20:39:56.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 20:39:56.303 INFO [stdout] 3bcd49948f3c40584511284a78809bcb1746172bf353161d1dcacb8025d1fbe8
Dec 15 20:39:56.304 INFO running `"docker" "start" "-a" "3bcd49948f3c40584511284a78809bcb1746172bf353161d1dcacb8025d1fbe8"`
Dec 15 20:39:57.295 INFO [stderr] usermod: no changes
Dec 15 20:39:57.343 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 15 20:39:58.167 INFO [stderr] warning: variable does not need to be mutable
Dec 15 20:39:58.167 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 15 20:39:58.167 INFO [stderr]     |
Dec 15 20:39:58.167 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 15 20:39:58.167 INFO [stderr]     |                 ----^^^
Dec 15 20:39:58.167 INFO [stderr]     |                 |
Dec 15 20:39:58.167 INFO [stderr]     |                 help: remove this `mut`
Dec 15 20:39:58.167 INFO [stderr]     |
Dec 15 20:39:58.167 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 20:39:58.167 INFO [stderr] 
Dec 15 20:39:58.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 15 20:39:58.315 INFO [stderr] su: No module specific data is present
Dec 15 20:39:58.704 INFO running `"docker" "inspect" "3bcd49948f3c40584511284a78809bcb1746172bf353161d1dcacb8025d1fbe8"`
Dec 15 20:39:59.021 INFO running `"docker" "rm" "-f" "3bcd49948f3c40584511284a78809bcb1746172bf353161d1dcacb8025d1fbe8"`
Dec 15 20:39:59.243 INFO [stdout] 3bcd49948f3c40584511284a78809bcb1746172bf353161d1dcacb8025d1fbe8
Dec 15 20:39:59.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 20:39:59.693 INFO [stdout] 92490d387e56ed2eb1f886cba5c0c14604cad89644d1ac698362e9b659c118d2
Dec 15 20:39:59.696 INFO running `"docker" "start" "-a" "92490d387e56ed2eb1f886cba5c0c14604cad89644d1ac698362e9b659c118d2"`
Dec 15 20:40:00.978 INFO [stderr] usermod: no changes
Dec 15 20:40:01.048 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 15 20:40:02.135 INFO [stderr] warning: variable does not need to be mutable
Dec 15 20:40:02.135 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 15 20:40:02.135 INFO [stderr]     |
Dec 15 20:40:02.135 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 15 20:40:02.135 INFO [stderr]     |                 ----^^^
Dec 15 20:40:02.135 INFO [stderr]     |                 |
Dec 15 20:40:02.135 INFO [stderr]     |                 help: remove this `mut`
Dec 15 20:40:02.135 INFO [stderr]     |
Dec 15 20:40:02.135 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 20:40:02.135 INFO [stderr] 
Dec 15 20:40:03.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
Dec 15 20:40:03.054 INFO [stderr] su: No module specific data is present
Dec 15 20:40:03.675 INFO running `"docker" "inspect" "92490d387e56ed2eb1f886cba5c0c14604cad89644d1ac698362e9b659c118d2"`
Dec 15 20:40:04.041 INFO running `"docker" "rm" "-f" "92490d387e56ed2eb1f886cba5c0c14604cad89644d1ac698362e9b659c118d2"`
Dec 15 20:40:04.295 INFO [stdout] 92490d387e56ed2eb1f886cba5c0c14604cad89644d1ac698362e9b659c118d2
Dec 15 20:40:04.295 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 20:40:04.675 INFO [stdout] f382d9da76228c38a5db453bdfcbef2a67670c61e2fe20fe0e49847830571e96
Dec 15 20:40:04.675 INFO running `"docker" "start" "-a" "f382d9da76228c38a5db453bdfcbef2a67670c61e2fe20fe0e49847830571e96"`
Dec 15 20:40:05.650 INFO [stderr] usermod: no changes
Dec 15 20:40:05.689 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 20:40:05.690 INFO [stderr]      Running /target/debug/deps/buffoon-8305569c5ce71254
Dec 15 20:40:05.691 INFO [stdout] 
Dec 15 20:40:05.691 INFO [stdout] running 11 tests
Dec 15 20:40:05.698 INFO [stderr]    Doc-tests buffoon
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_empty_stream ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_multi_byte_tag_field ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_incorrect_type_from_field ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_sequential_fields ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_string ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_multi_byte_usize ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_single_byte_usize ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_skipping_string_field ... ok
Dec 15 20:40:05.699 INFO [stdout] test test::test_writing_simple_message ... ok
Dec 15 20:40:05.699 INFO [stdout] test test::test_writing_unit_struct ... ok
Dec 15 20:40:05.699 INFO [stdout] test input_stream::test::test_reading_twice_from_field ... ok
Dec 15 20:40:05.699 INFO [stdout] 
Dec 15 20:40:05.699 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:05.699 INFO [stdout] 
Dec 15 20:40:06.707 INFO [stdout] 
Dec 15 20:40:06.707 INFO [stdout] running 0 tests
Dec 15 20:40:06.707 INFO [stdout] 
Dec 15 20:40:06.707 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:06.707 INFO [stdout] 
Dec 15 20:40:06.710 INFO [stderr] su: No module specific data is present
Dec 15 20:40:07.193 INFO running `"docker" "inspect" "f382d9da76228c38a5db453bdfcbef2a67670c61e2fe20fe0e49847830571e96"`
Dec 15 20:40:07.429 INFO running `"docker" "rm" "-f" "f382d9da76228c38a5db453bdfcbef2a67670c61e2fe20fe0e49847830571e96"`
Dec 15 20:40:07.603 INFO [stdout] f382d9da76228c38a5db453bdfcbef2a67670c61e2fe20fe0e49847830571e96