[INFO] fetching crate fixed-buffer 0.2.3...
[INFO] testing fixed-buffer-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fixed-buffer 0.2.3 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate fixed-buffer 0.2.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-buffer 0.2.3
[INFO] finished tweaking crates.io crate fixed-buffer 0.2.3
[INFO] tweaked toml for crates.io crate fixed-buffer 0.2.3 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4e7fe43020c185628e178a0e0ae74fc3b33e6e0dc3e64c9bf17546bc2493bc
[INFO] running `Command { std: "docker" "start" "-a" "2a4e7fe43020c185628e178a0e0ae74fc3b33e6e0dc3e64c9bf17546bc2493bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4e7fe43020c185628e178a0e0ae74fc3b33e6e0dc3e64c9bf17546bc2493bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4e7fe43020c185628e178a0e0ae74fc3b33e6e0dc3e64c9bf17546bc2493bc", kill_on_drop: false }`
[INFO] [stdout] 2a4e7fe43020c185628e178a0e0ae74fc3b33e6e0dc3e64c9bf17546bc2493bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36cebe4a93cce4f1fd2627d438344dea17765e4d26fdbf1ba4140ccd8be18ff
[INFO] running `Command { std: "docker" "start" "-a" "f36cebe4a93cce4f1fd2627d438344dea17765e4d26fdbf1ba4140ccd8be18ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fixed-buffer v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f36cebe4a93cce4f1fd2627d438344dea17765e4d26fdbf1ba4140ccd8be18ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36cebe4a93cce4f1fd2627d438344dea17765e4d26fdbf1ba4140ccd8be18ff", kill_on_drop: false }`
[INFO] [stdout] f36cebe4a93cce4f1fd2627d438344dea17765e4d26fdbf1ba4140ccd8be18ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df06aaad50272e304c798d4ec7c4b97748ffc6293b24fd23f07acdd2888688e0
[INFO] running `Command { std: "docker" "start" "-a" "df06aaad50272e304c798d4ec7c4b97748ffc6293b24fd23f07acdd2888688e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling fixed-buffer v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "df06aaad50272e304c798d4ec7c4b97748ffc6293b24fd23f07acdd2888688e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df06aaad50272e304c798d4ec7c4b97748ffc6293b24fd23f07acdd2888688e0", kill_on_drop: false }`
[INFO] [stdout] df06aaad50272e304c798d4ec7c4b97748ffc6293b24fd23f07acdd2888688e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22e6c5e2d6965b554bf4d8fcc2b0ce7f09ef3c442c52f683289bd9479a165f7e
[INFO] running `Command { std: "docker" "start" "-a" "22e6c5e2d6965b554bf4d8fcc2b0ce7f09ef3c442c52f683289bd9479a165f7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fixed_buffer-bd2f23a1ff651635)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test escape_ascii::test_escape_ascii ... ok
[INFO] [stdout] test read_write_take::tests::exactly_len ... ok
[INFO] [stdout] test read_write_chain::tests::returns_error_from_second ... ok
[INFO] [stdout] test read_write_chain::tests::doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test deframe_crlf::tests::test_dataframe_crlf ... ok
[INFO] [stdout] test deframe_line::tests::test_dataframe_crlf ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::test_array_constructors ... ok
[INFO] [stdout] test tests::test_box_array_constructors ... ok
[INFO] [stdout] test read_write_take::tests::fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test read_write_take::tests::passes_writes_through ... ok
[INFO] [stdout] test read_write_chain::tests::reads_first_then_second ... ok
[INFO] [stdout] test read_write_chain::tests::reads_second_when_first_empty ... ok
[INFO] [stdout] test read_write_chain::tests::both_empty ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test read_write_take::tests::doesnt_read_when_zero ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test read_write_take::tests::fewer_than_len ... ok
[INFO] [stdout] test read_write_take::tests::exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test read_write_take::tests::read_error ... ok
[INFO] [stdout] test read_write_take::tests::empty ... ok
[INFO] [stdout] test read_write_chain::tests::passes_writes_through ... ok
[INFO] [stdout] test read_write_take::tests::doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test read_write_take::tests::doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test tests::test_filled_array ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_copy_once_from ... ok
[INFO] [stdout] test read_write_chain::tests::doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test tests::test_filled_box_array ... ok
[INFO] [stdout] test tests::test_escape_ascii ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_filled_const ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_deframe ... ok
[INFO] [stdout] test tests::test_read_bytes_mut ... ok
[INFO] [stdout] test tests::test_read_frame_buffer_full ... ok
[INFO] [stdout] test tests::test_read_all ... ok
[INFO] [stdout] test tests::test_read_and_copy_bytes_mut ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete ... ok
[INFO] [stdout] test tests::test_read_byte ... ok
[INFO] [stdout] test tests::test_read_frame_complete_leaves_leftovers ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_eof ... ok
[INFO] [stdout] test tests::test_read_and_copy_bytes ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_byte_mut ... ok
[INFO] [stdout] test tests::test_read_bytes ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_incomplete ... ok
[INFO] [stdout] test tests::test_read_frame_complete_doesnt_read ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_invalid ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_invalid_doesnt_read ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_incomplete ... ok
[INFO] [stdout] test tests::test_shift_full ... ok
[INFO] [stdout] test tests::test_shift_read_all ... ok
[INFO] [stdout] test tests::test_shift_half_filled ... ok
[INFO] [stdout] test tests::test_readable ... ok
[INFO] [stdout] test tests::test_slice_constructor ... ok
[INFO] [stdout] test tests::test_shift_empty ... ok
[INFO] [stdout] test tests::test_static_fixed_buf ... ok
[INFO] [stdout] test tests::test_std_io_read ... ok
[INFO] [stdout] test tests::test_std_io_write ... ok
[INFO] [stdout] test tests::test_new_box_slice ... ok
[INFO] [stdout] test tests::test_read_bytes_underflow - should panic ... ok
[INFO] [stdout] test tests::test_try_read_bytes ... ok
[INFO] [stdout] test tests::test_try_read_bytes_mut ... ok
[INFO] [stdout] test tests::test_try_parse ... ok
[INFO] [stdout] test tests::test_try_read_exact ... ok
[INFO] [stdout] test tests::test_try_read_exact_mut ... ok
[INFO] [stdout] test tests::test_writable_and_wrote ... ok
[INFO] [stdout] test tests::test_write_bytes ... ok
[INFO] [stdout] test tests::test_write_str ... ok
[INFO] [stdout] test tests::test_wrote_too_much - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/server.rs (/opt/rustwide/target/debug/deps/server-12123cdc4c078842)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fixed-buffer
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 292) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/escape_ascii.rs - escape_ascii::escape_ascii (line 14) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 301) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::read_frame (line 940) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::len (line 359) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::writable (line 770) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::write_bytes (line 731) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::escape_ascii (line 455) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 310) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::write_str (line 705) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::filled (line 409) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::is_empty (line 379) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::try_parse (line 592) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::capacity (line 431) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::read_frame (line 895) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22e6c5e2d6965b554bf4d8fcc2b0ce7f09ef3c442c52f683289bd9479a165f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e6c5e2d6965b554bf4d8fcc2b0ce7f09ef3c442c52f683289bd9479a165f7e", kill_on_drop: false }`
[INFO] [stdout] 22e6c5e2d6965b554bf4d8fcc2b0ce7f09ef3c442c52f683289bd9479a165f7e