[INFO] fetching crate fixed-buffer-tokio 0.1.1...
[INFO] testing fixed-buffer-tokio-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fixed-buffer-tokio 0.1.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate fixed-buffer-tokio 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-buffer-tokio 0.1.1
[INFO] finished tweaking crates.io crate fixed-buffer-tokio 0.1.1
[INFO] tweaked toml for crates.io crate fixed-buffer-tokio 0.1.1 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb279e5a6dac80e9088c98404a88490d3166255c941830a557b4ada4a2dc25f
[INFO] running `Command { std: "docker" "start" "-a" "aeb279e5a6dac80e9088c98404a88490d3166255c941830a557b4ada4a2dc25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb279e5a6dac80e9088c98404a88490d3166255c941830a557b4ada4a2dc25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb279e5a6dac80e9088c98404a88490d3166255c941830a557b4ada4a2dc25f", kill_on_drop: false }`
[INFO] [stdout] aeb279e5a6dac80e9088c98404a88490d3166255c941830a557b4ada4a2dc25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 668f1e481699ed750298d53b2bb09a2bdd805fa015cbb095243f9b332d71f095
[INFO] running `Command { std: "docker" "start" "-a" "668f1e481699ed750298d53b2bb09a2bdd805fa015cbb095243f9b332d71f095", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling fixed-buffer v0.2.3
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling fixed-buffer-tokio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "668f1e481699ed750298d53b2bb09a2bdd805fa015cbb095243f9b332d71f095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668f1e481699ed750298d53b2bb09a2bdd805fa015cbb095243f9b332d71f095", kill_on_drop: false }`
[INFO] [stdout] 668f1e481699ed750298d53b2bb09a2bdd805fa015cbb095243f9b332d71f095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 377960cba393261af57fc14e7f49e79566b0a135114d9ae1d52c8c1cf10a17d5
[INFO] running `Command { std: "docker" "start" "-a" "377960cba393261af57fc14e7f49e79566b0a135114d9ae1d52c8c1cf10a17d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling fixed-buffer-tokio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "377960cba393261af57fc14e7f49e79566b0a135114d9ae1d52c8c1cf10a17d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377960cba393261af57fc14e7f49e79566b0a135114d9ae1d52c8c1cf10a17d5", kill_on_drop: false }`
[INFO] [stdout] 377960cba393261af57fc14e7f49e79566b0a135114d9ae1d52c8c1cf10a17d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a475f525c2d5494cdedb9f71ef3f36827312e5f69eaa350d4566f135f93fe4c
[INFO] running `Command { std: "docker" "start" "-a" "4a475f525c2d5494cdedb9f71ef3f36827312e5f69eaa350d4566f135f93fe4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fixed_buffer_tokio-a969913fbacca082)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stderr]      Running tests/server.rs (/opt/rustwide/target/debug/deps/server-a2ca97094d64d8b7)
[INFO] [stdout] test async_read_write_chain::tests::passes_writes_through ... ok
[INFO] [stdout] test async_read_write_chain::tests::both_empty ... ok
[INFO] [stdout] test async_read_write_chain::tests::doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test async_read_write_chain::tests::reads_second_when_first_empty ... ok
[INFO] [stdout] test async_read_write_chain::tests::doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_chain::tests::returns_error_from_second ... ok
[INFO] [stdout] test async_read_write_chain::tests::reads_first_then_second ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::empty ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_read_when_zero ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::passes_writes_through ... ok
[INFO] [stdout] test tests::test_read_frame_complete_leaves_leftovers ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete ... ok
[INFO] [stdout] test tests::test_async_read ... ok
[INFO] [stdout] test tests::test_async_write ... ok
[INFO] [stdout] test async_read_write_take::tests::read_error ... 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_frame_empty_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_invalid ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_incomplete ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_incomplete ... ok
[INFO] [stdout] test tests::test_read_frame_invalid_doesnt_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests fixed-buffer-tokio
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a475f525c2d5494cdedb9f71ef3f36827312e5f69eaa350d4566f135f93fe4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a475f525c2d5494cdedb9f71ef3f36827312e5f69eaa350d4566f135f93fe4c", kill_on_drop: false }`
[INFO] [stdout] 4a475f525c2d5494cdedb9f71ef3f36827312e5f69eaa350d4566f135f93fe4c