Dec 07 22:10:28.956 INFO testing buffoon-0.5.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 22:10:28.956 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 22:10:29.313 INFO [stdout] 97a7b1ae6a81c0fb012f6f2c4cf0321834a1ee9feb70b5056e635ee5dc77d470
Dec 07 22:10:29.320 INFO running `"docker" "start" "-a" "97a7b1ae6a81c0fb012f6f2c4cf0321834a1ee9feb70b5056e635ee5dc77d470"`
Dec 07 22:10:30.320 INFO [stderr] usermod: no changes
Dec 07 22:10:30.376 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 07 22:10:31.012 INFO [stderr] warning: variable does not need to be mutable
Dec 07 22:10:31.012 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 07 22:10:31.012 INFO [stderr]     |
Dec 07 22:10:31.012 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 07 22:10:31.012 INFO [stderr]     |                 ----^^^
Dec 07 22:10:31.012 INFO [stderr]     |                 |
Dec 07 22:10:31.012 INFO [stderr]     |                 help: remove this `mut`
Dec 07 22:10:31.012 INFO [stderr]     |
Dec 07 22:10:31.012 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 22:10:31.012 INFO [stderr] 
Dec 07 22:10:31.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 07 22:10:31.151 INFO [stderr] su: No module specific data is present
Dec 07 22:10:31.382 INFO running `"docker" "inspect" "97a7b1ae6a81c0fb012f6f2c4cf0321834a1ee9feb70b5056e635ee5dc77d470"`
Dec 07 22:10:31.515 INFO running `"docker" "rm" "-f" "97a7b1ae6a81c0fb012f6f2c4cf0321834a1ee9feb70b5056e635ee5dc77d470"`
Dec 07 22:10:31.613 INFO [stdout] 97a7b1ae6a81c0fb012f6f2c4cf0321834a1ee9feb70b5056e635ee5dc77d470
Dec 07 22:10:31.615 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 22:10:31.820 INFO [stdout] 16932759b969e031fb4eb31a32c4a4c52d75013d3471d46cc6e7e44a06c30808
Dec 07 22:10:31.826 INFO running `"docker" "start" "-a" "16932759b969e031fb4eb31a32c4a4c52d75013d3471d46cc6e7e44a06c30808"`
Dec 07 22:10:32.176 INFO [stderr] usermod: no changes
Dec 07 22:10:32.205 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Dec 07 22:10:32.858 INFO [stderr] warning: variable does not need to be mutable
Dec 07 22:10:32.858 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 07 22:10:32.858 INFO [stderr]     |
Dec 07 22:10:32.858 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 07 22:10:32.858 INFO [stderr]     |                 ----^^^
Dec 07 22:10:32.858 INFO [stderr]     |                 |
Dec 07 22:10:32.858 INFO [stderr]     |                 help: remove this `mut`
Dec 07 22:10:32.859 INFO [stderr]     |
Dec 07 22:10:32.859 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 22:10:32.859 INFO [stderr] 
Dec 07 22:10:33.382 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 07 22:10:33.384 INFO [stderr] su: No module specific data is present
Dec 07 22:10:33.723 INFO running `"docker" "inspect" "16932759b969e031fb4eb31a32c4a4c52d75013d3471d46cc6e7e44a06c30808"`
Dec 07 22:10:33.824 INFO running `"docker" "rm" "-f" "16932759b969e031fb4eb31a32c4a4c52d75013d3471d46cc6e7e44a06c30808"`
Dec 07 22:10:33.890 INFO [stdout] 16932759b969e031fb4eb31a32c4a4c52d75013d3471d46cc6e7e44a06c30808
Dec 07 22:10:33.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 22:10:34.070 INFO [stdout] 5dbae12720d6f55662f8c036fcfaccd8c7b87fb544c27b6592d38e7757c36f0c
Dec 07 22:10:34.071 INFO running `"docker" "start" "-a" "5dbae12720d6f55662f8c036fcfaccd8c7b87fb544c27b6592d38e7757c36f0c"`
Dec 07 22:10:34.478 INFO [stderr] usermod: no changes
Dec 07 22:10:34.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 22:10:34.512 INFO [stderr]      Running /target/debug/deps/buffoon-1f9ec5b9349e0528
Dec 07 22:10:34.514 INFO [stdout] 
Dec 07 22:10:34.515 INFO [stdout] running 11 tests
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_empty_stream ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_incorrect_type_from_field ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_twice_from_field ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_sequential_fields ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_single_byte_usize ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_string ... ok
Dec 07 22:10:34.515 INFO [stdout] test test::test_writing_simple_message ... ok
Dec 07 22:10:34.515 INFO [stdout] test input_stream::test::test_reading_multi_byte_usize ... ok
Dec 07 22:10:34.516 INFO [stdout] test input_stream::test::test_skipping_string_field ... ok
Dec 07 22:10:34.516 INFO [stdout] test test::test_writing_unit_struct ... ok
Dec 07 22:10:34.516 INFO [stdout] test input_stream::test::test_reading_multi_byte_tag_field ... ok
Dec 07 22:10:34.516 INFO [stdout] 
Dec 07 22:10:34.516 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 22:10:34.516 INFO [stdout] 
Dec 07 22:10:34.517 INFO [stderr]    Doc-tests buffoon
Dec 07 22:10:35.049 INFO [stdout] 
Dec 07 22:10:35.049 INFO [stdout] running 0 tests
Dec 07 22:10:35.049 INFO [stdout] 
Dec 07 22:10:35.049 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 22:10:35.049 INFO [stdout] 
Dec 07 22:10:35.055 INFO [stderr] su: No module specific data is present
Dec 07 22:10:35.331 INFO running `"docker" "inspect" "5dbae12720d6f55662f8c036fcfaccd8c7b87fb544c27b6592d38e7757c36f0c"`
Dec 07 22:10:35.400 INFO running `"docker" "rm" "-f" "5dbae12720d6f55662f8c036fcfaccd8c7b87fb544c27b6592d38e7757c36f0c"`
Dec 07 22:10:35.488 INFO [stdout] 5dbae12720d6f55662f8c036fcfaccd8c7b87fb544c27b6592d38e7757c36f0c