Dec 15 20:39:56.001 INFO testing buffoon-0.5.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 20:39:56.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:39:56.211 INFO [stdout] d374a5291716c6acf0a5b94715b86ed7d78c7031865874c87d236f89df8eb60d
Dec 15 20:39:56.216 INFO running `"docker" "start" "-a" "d374a5291716c6acf0a5b94715b86ed7d78c7031865874c87d236f89df8eb60d"`
Dec 15 20:39:57.211 INFO [stderr] usermod: no changes
Dec 15 20:39:57.277 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 15 20:39:58.051 INFO [stderr] warning: variable does not need to be mutable
Dec 15 20:39:58.051 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 15 20:39:58.051 INFO [stderr]     |
Dec 15 20:39:58.051 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 15 20:39:58.051 INFO [stderr]     |                 ----^^^
Dec 15 20:39:58.051 INFO [stderr]     |                 |
Dec 15 20:39:58.051 INFO [stderr]     |                 help: remove this `mut`
Dec 15 20:39:58.051 INFO [stderr]     |
Dec 15 20:39:58.051 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 20:39:58.051 INFO [stderr] 
Dec 15 20:39:58.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 15 20:39:58.171 INFO [stderr] su: No module specific data is present
Dec 15 20:39:58.776 INFO running `"docker" "inspect" "d374a5291716c6acf0a5b94715b86ed7d78c7031865874c87d236f89df8eb60d"`
Dec 15 20:39:59.028 INFO running `"docker" "rm" "-f" "d374a5291716c6acf0a5b94715b86ed7d78c7031865874c87d236f89df8eb60d"`
Dec 15 20:39:59.311 INFO [stdout] d374a5291716c6acf0a5b94715b86ed7d78c7031865874c87d236f89df8eb60d
Dec 15 20:39:59.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:39:59.883 INFO [stdout] 19d3d1ff507d1d9ae3e00798fc8f00200cac601f3458c821df83a7a0cb8e76c3
Dec 15 20:39:59.891 INFO running `"docker" "start" "-a" "19d3d1ff507d1d9ae3e00798fc8f00200cac601f3458c821df83a7a0cb8e76c3"`
Dec 15 20:40:01.427 INFO [stderr] usermod: no changes
Dec 15 20:40:01.527 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 15 20:40:02.535 INFO [stderr] warning: variable does not need to be mutable
Dec 15 20:40:02.535 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 15 20:40:02.535 INFO [stderr]     |
Dec 15 20:40:02.535 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 15 20:40:02.535 INFO [stderr]     |                 ----^^^
Dec 15 20:40:02.535 INFO [stderr]     |                 |
Dec 15 20:40:02.535 INFO [stderr]     |                 help: remove this `mut`
Dec 15 20:40:02.535 INFO [stderr]     |
Dec 15 20:40:02.535 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 20:40:02.535 INFO [stderr] 
Dec 15 20:40:03.274 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 15 20:40:03.277 INFO [stderr] su: No module specific data is present
Dec 15 20:40:03.895 INFO running `"docker" "inspect" "19d3d1ff507d1d9ae3e00798fc8f00200cac601f3458c821df83a7a0cb8e76c3"`
Dec 15 20:40:04.264 INFO running `"docker" "rm" "-f" "19d3d1ff507d1d9ae3e00798fc8f00200cac601f3458c821df83a7a0cb8e76c3"`
Dec 15 20:40:04.422 INFO [stdout] 19d3d1ff507d1d9ae3e00798fc8f00200cac601f3458c821df83a7a0cb8e76c3
Dec 15 20:40:04.425 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:40:04.764 INFO [stdout] 3826f580eb52eedd0da6632c756134f8436952308997cf7ba514e223a085147e
Dec 15 20:40:04.774 INFO running `"docker" "start" "-a" "3826f580eb52eedd0da6632c756134f8436952308997cf7ba514e223a085147e"`
Dec 15 20:40:05.639 INFO [stderr] usermod: no changes
Dec 15 20:40:05.670 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 20:40:05.671 INFO [stderr]      Running /target/debug/deps/buffoon-ffb3fe360dd2a9a6
Dec 15 20:40:05.678 INFO [stdout] 
Dec 15 20:40:05.678 INFO [stdout] running 11 tests
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_incorrect_type_from_field ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_empty_stream ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_multi_byte_usize ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_multi_byte_tag_field ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_sequential_fields ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_string ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_reading_single_byte_usize ... ok
Dec 15 20:40:05.682 INFO [stdout] test input_stream::test::test_skipping_string_field ... ok
Dec 15 20:40:05.682 INFO [stdout] test test::test_writing_simple_message ... ok
Dec 15 20:40:05.689 INFO [stdout] test test::test_writing_unit_struct ... ok
Dec 15 20:40:05.690 INFO [stdout] test input_stream::test::test_reading_twice_from_field ... ok
Dec 15 20:40:05.690 INFO [stdout] 
Dec 15 20:40:05.690 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:05.690 INFO [stdout] 
Dec 15 20:40:05.692 INFO [stderr]    Doc-tests buffoon
Dec 15 20:40:06.735 INFO [stdout] 
Dec 15 20:40:06.735 INFO [stdout] running 0 tests
Dec 15 20:40:06.735 INFO [stdout] 
Dec 15 20:40:06.735 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:40:06.735 INFO [stdout] 
Dec 15 20:40:06.741 INFO [stderr] su: No module specific data is present
Dec 15 20:40:07.132 INFO running `"docker" "inspect" "3826f580eb52eedd0da6632c756134f8436952308997cf7ba514e223a085147e"`
Dec 15 20:40:07.281 INFO running `"docker" "rm" "-f" "3826f580eb52eedd0da6632c756134f8436952308997cf7ba514e223a085147e"`
Dec 15 20:40:07.443 INFO [stdout] 3826f580eb52eedd0da6632c756134f8436952308997cf7ba514e223a085147e