Nov 18 19:11:21.692 INFO testing buffoon-0.5.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 19:11:21.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 19:11:21.837 INFO [stdout] 673773dd8c42f10c1ec27fb8592c815e0be8cfd00c4d4569c9b64c4652e9df32
Nov 18 19:11:21.840 INFO running `"docker" "start" "-a" "673773dd8c42f10c1ec27fb8592c815e0be8cfd00c4d4569c9b64c4652e9df32"`
Nov 18 19:11:22.515 INFO [stderr] usermod: no changes
Nov 18 19:11:22.554 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Nov 18 19:11:23.191 INFO [stderr] warning: variable does not need to be mutable
Nov 18 19:11:23.191 INFO [stderr]    --> src/input_stream.rs:104:17
Nov 18 19:11:23.191 INFO [stderr]     |
Nov 18 19:11:23.191 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 18 19:11:23.191 INFO [stderr]     |                 ----^^^
Nov 18 19:11:23.191 INFO [stderr]     |                 |
Nov 18 19:11:23.191 INFO [stderr]     |                 help: remove this `mut`
Nov 18 19:11:23.191 INFO [stderr]     |
Nov 18 19:11:23.191 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 19:11:23.191 INFO [stderr] 
Nov 18 19:11:23.335 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 18 19:11:23.338 INFO [stderr] su: No module specific data is present
Nov 18 19:11:23.780 INFO running `"docker" "inspect" "673773dd8c42f10c1ec27fb8592c815e0be8cfd00c4d4569c9b64c4652e9df32"`
Nov 18 19:11:24.001 INFO running `"docker" "rm" "-f" "673773dd8c42f10c1ec27fb8592c815e0be8cfd00c4d4569c9b64c4652e9df32"`
Nov 18 19:11:24.311 INFO [stdout] 673773dd8c42f10c1ec27fb8592c815e0be8cfd00c4d4569c9b64c4652e9df32
Nov 18 19:11:24.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 19:11:24.834 INFO [stdout] b2a8cd31581282109f8084c15330c58b80ce6b53e5029f4b03be820bf663e715
Nov 18 19:11:24.836 INFO running `"docker" "start" "-a" "b2a8cd31581282109f8084c15330c58b80ce6b53e5029f4b03be820bf663e715"`
Nov 18 19:11:25.632 INFO [stderr] usermod: no changes
Nov 18 19:11:25.673 INFO [stderr]    Compiling buffoon v0.5.0 (/source)
Nov 18 19:11:26.527 INFO [stderr] warning: variable does not need to be mutable
Nov 18 19:11:26.527 INFO [stderr]    --> src/input_stream.rs:104:17
Nov 18 19:11:26.527 INFO [stderr]     |
Nov 18 19:11:26.527 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 18 19:11:26.527 INFO [stderr]     |                 ----^^^
Nov 18 19:11:26.527 INFO [stderr]     |                 |
Nov 18 19:11:26.527 INFO [stderr]     |                 help: remove this `mut`
Nov 18 19:11:26.529 INFO [stderr]     |
Nov 18 19:11:26.529 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 19:11:26.529 INFO [stderr] 
Nov 18 19:11:27.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Nov 18 19:11:27.383 INFO [stderr] su: No module specific data is present
Nov 18 19:11:28.004 INFO running `"docker" "inspect" "b2a8cd31581282109f8084c15330c58b80ce6b53e5029f4b03be820bf663e715"`
Nov 18 19:11:28.369 INFO running `"docker" "rm" "-f" "b2a8cd31581282109f8084c15330c58b80ce6b53e5029f4b03be820bf663e715"`
Nov 18 19:11:28.627 INFO [stdout] b2a8cd31581282109f8084c15330c58b80ce6b53e5029f4b03be820bf663e715
Nov 18 19:11:28.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 19:11:29.738 INFO [stdout] 8b064ed8edaefbdc09d05c8fc14a207cd4427a739e26bca414846912dd6028f4
Nov 18 19:11:29.743 INFO running `"docker" "start" "-a" "8b064ed8edaefbdc09d05c8fc14a207cd4427a739e26bca414846912dd6028f4"`
Nov 18 19:11:30.278 INFO [stderr] usermod: no changes
Nov 18 19:11:30.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 18 19:11:30.307 INFO [stderr]      Running /target/debug/deps/buffoon-fef37c8c55f21184
Nov 18 19:11:30.323 INFO [stdout] 
Nov 18 19:11:30.323 INFO [stdout] running 11 tests
Nov 18 19:11:30.327 INFO [stdout] test input_stream::test::test_reading_multi_byte_tag_field ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_incorrect_type_from_field ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_empty_stream ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_skipping_string_field ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_multi_byte_usize ... ok
Nov 18 19:11:30.328 INFO [stdout] test test::test_writing_simple_message ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_sequential_fields ... ok
Nov 18 19:11:30.328 INFO [stdout] test test::test_writing_unit_struct ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_string ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_twice_from_field ... ok
Nov 18 19:11:30.328 INFO [stdout] test input_stream::test::test_reading_single_byte_usize ... ok
Nov 18 19:11:30.328 INFO [stdout] 
Nov 18 19:11:30.328 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 19:11:30.328 INFO [stdout] 
Nov 18 19:11:30.330 INFO [stderr]    Doc-tests buffoon
Nov 18 19:11:31.071 INFO [stdout] 
Nov 18 19:11:31.071 INFO [stdout] running 0 tests
Nov 18 19:11:31.071 INFO [stdout] 
Nov 18 19:11:31.071 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 19:11:31.071 INFO [stdout] 
Nov 18 19:11:31.079 INFO [stderr] su: No module specific data is present
Nov 18 19:11:31.353 INFO running `"docker" "inspect" "8b064ed8edaefbdc09d05c8fc14a207cd4427a739e26bca414846912dd6028f4"`
Nov 18 19:11:31.444 INFO running `"docker" "rm" "-f" "8b064ed8edaefbdc09d05c8fc14a207cd4427a739e26bca414846912dd6028f4"`
Nov 18 19:11:31.554 INFO [stdout] 8b064ed8edaefbdc09d05c8fc14a207cd4427a739e26bca414846912dd6028f4