[INFO] fetching crate fixed-buffer 0.2.2...
[INFO] testing fixed-buffer-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fixed-buffer 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fixed-buffer 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-buffer 0.2.2
[INFO] finished tweaking crates.io crate fixed-buffer 0.2.2
[INFO] tweaked toml for crates.io crate fixed-buffer 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f13066aadb075335dd51942e88cdfe65fd0ed2abb200fc7157ad62412aaa7cb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f13066aadb075335dd51942e88cdfe65fd0ed2abb200fc7157ad62412aaa7cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13066aadb075335dd51942e88cdfe65fd0ed2abb200fc7157ad62412aaa7cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13066aadb075335dd51942e88cdfe65fd0ed2abb200fc7157ad62412aaa7cb1", kill_on_drop: false }`
[INFO] [stdout] f13066aadb075335dd51942e88cdfe65fd0ed2abb200fc7157ad62412aaa7cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daabbd77f22fba44f4993e87eebdcd9a30b00a9f6e9efa1d78c2d44bdce59347
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daabbd77f22fba44f4993e87eebdcd9a30b00a9f6e9efa1d78c2d44bdce59347", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-buffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "daabbd77f22fba44f4993e87eebdcd9a30b00a9f6e9efa1d78c2d44bdce59347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daabbd77f22fba44f4993e87eebdcd9a30b00a9f6e9efa1d78c2d44bdce59347", kill_on_drop: false }`
[INFO] [stdout] daabbd77f22fba44f4993e87eebdcd9a30b00a9f6e9efa1d78c2d44bdce59347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 029c8de1485e1196d5f762c9b106a4ec1b01d852e29a499053312f74a209b6d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "029c8de1485e1196d5f762c9b106a4ec1b01d852e29a499053312f74a209b6d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling fixed-buffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "029c8de1485e1196d5f762c9b106a4ec1b01d852e29a499053312f74a209b6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029c8de1485e1196d5f762c9b106a4ec1b01d852e29a499053312f74a209b6d5", kill_on_drop: false }`
[INFO] [stdout] 029c8de1485e1196d5f762c9b106a4ec1b01d852e29a499053312f74a209b6d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20de4fe226e3baad47397d93973422b35a21e0565ccc280be210d99b936db4c7
[INFO] running `Command { std: "docker" "start" "-a" "20de4fe226e3baad47397d93973422b35a21e0565ccc280be210d99b936db4c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fixed_buffer-ba2f1eec41f10872
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test deframe_line::tests::test_dataframe_crlf ... ok
[INFO] [stdout] test read_write_chain::tests::doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test read_write_chain::tests::doesnt_read_second_when_first_returns_error ... 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 read_write_take::tests::doesnt_read_when_zero ... ok
[INFO] [stdout] test read_write_take::tests::empty ... ok
[INFO] [stdout] test escape_ascii::tests::test_escape_ascii ... ok
[INFO] [stdout] test read_write_take::tests::exactly_len ... ok
[INFO] [stdout] test read_write_take::tests::exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test read_write_chain::tests::both_empty ... ok
[INFO] [stdout] test read_write_take::tests::read_error ... ok
[INFO] [stdout] test read_write_take::tests::passes_writes_through ... ok
[INFO] [stdout] test tests::test_array_constructors ... ok
[INFO] [stdout] test tests::test_box_array_constructors ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_copy_once_from ... ok
[INFO] [stdout] test tests::test_deframe ... ok
[INFO] [stdout] test tests::test_filled_array ... ok
[INFO] [stdout] test tests::test_filled_box_array ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test read_write_take::tests::fewer_than_len ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test read_write_take::tests::fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_new_box_slice ... ok
[INFO] [stdout] test tests::test_read_frame_complete_leaves_leftovers ... ok
[INFO] [stdout] test tests::test_read_frame_buffer_full ... ok
[INFO] [stdout] test tests::test_read_frame_complete_doesnt_read ... ok
[INFO] [stdout] test tests::test_read_all ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test read_write_chain::tests::passes_writes_through ... ok
[INFO] [stdout] test tests::test_filled_const ... 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 deframe_crlf::tests::test_dataframe_crlf ... ok
[INFO] [stdout] test read_write_chain::tests::returns_error_from_second ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_incomplete ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_invalid ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_eof ... 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_slice_constructor ... ok
[INFO] [stdout] test tests::test_std_io_write ... 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_readable_and_read ... ok
[INFO] [stdout] test tests::test_shift_empty ... ok
[INFO] [stdout] test tests::test_std_io_read ... ok
[INFO] [stdout] test tests::test_shift_read_all ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_invalid_doesnt_read ... ok
[INFO] [stdout] test tests::test_shift_half_filled ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_static_fixed_buf ... ok
[INFO] [stdout] test tests::test_read_too_much ... ok
[INFO] [stdout] test tests::test_wrote_too_much ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 64 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/server-138b42b0cf3c3f69
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fixed-buffer
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::capacity (line 421) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 291) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::is_empty (line 369) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::escape_ascii (line 445) ... ok
[INFO] [stdout] test src/escape_ascii.rs - escape_ascii::escape_ascii (line 14) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::writable (line 613) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::filled (line 399) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::new (line 300) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::len (line 349) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::read_frame (line 738) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::read_frame (line 783) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::write_bytes (line 574) ... ok
[INFO] [stdout] test src/lib.rs - FixedBuf<T>::write_str (line 548) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20de4fe226e3baad47397d93973422b35a21e0565ccc280be210d99b936db4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20de4fe226e3baad47397d93973422b35a21e0565ccc280be210d99b936db4c7", kill_on_drop: false }`
[INFO] [stdout] 20de4fe226e3baad47397d93973422b35a21e0565ccc280be210d99b936db4c7