[INFO] fetching crate fixed-buffer-tokio 0.3.4...
[INFO] testing fixed-buffer-tokio-0.3.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fixed-buffer-tokio 0.3.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fixed-buffer-tokio 0.3.4
[INFO] finished tweaking crates.io crate fixed-buffer-tokio 0.3.4
[INFO] tweaked toml for crates.io crate fixed-buffer-tokio 0.3.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-buffer-tokio 0.3.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding crc v1.8.1 (available: v3.4.0)
[INFO] [stderr]       Adding fixed-buffer v0.3.1 (available: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 798bc9d063d3537f4c8422b2157316e6fa681e12fa55a7802d68cb153d411492
[INFO] running `Command { std: "docker" "start" "-a" "798bc9d063d3537f4c8422b2157316e6fa681e12fa55a7802d68cb153d411492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798bc9d063d3537f4c8422b2157316e6fa681e12fa55a7802d68cb153d411492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798bc9d063d3537f4c8422b2157316e6fa681e12fa55a7802d68cb153d411492", kill_on_drop: false }`
[INFO] [stdout] 798bc9d063d3537f4c8422b2157316e6fa681e12fa55a7802d68cb153d411492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fad50473e9123ef0d76db5153a7837784b8ff9408b3857b07c3889dd96ffa7f2
[INFO] running `Command { std: "docker" "start" "-a" "fad50473e9123ef0d76db5153a7837784b8ff9408b3857b07c3889dd96ffa7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling fixed-buffer v0.3.1
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling fixed-buffer-tokio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "fad50473e9123ef0d76db5153a7837784b8ff9408b3857b07c3889dd96ffa7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad50473e9123ef0d76db5153a7837784b8ff9408b3857b07c3889dd96ffa7f2", kill_on_drop: false }`
[INFO] [stdout] fad50473e9123ef0d76db5153a7837784b8ff9408b3857b07c3889dd96ffa7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd4535b29e66ee34fba266942924c86094dbe254c3fef4dbcae5c2c4e4f5fe6b
[INFO] running `Command { std: "docker" "start" "-a" "fd4535b29e66ee34fba266942924c86094dbe254c3fef4dbcae5c2c4e4f5fe6b", 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 v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "fd4535b29e66ee34fba266942924c86094dbe254c3fef4dbcae5c2c4e4f5fe6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4535b29e66ee34fba266942924c86094dbe254c3fef4dbcae5c2c4e4f5fe6b", kill_on_drop: false }`
[INFO] [stdout] fd4535b29e66ee34fba266942924c86094dbe254c3fef4dbcae5c2c4e4f5fe6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 092570b63a0d0cae8332c3c82d5b4e6a6a5b6a0ed8b56365a451ce92da21d82d
[INFO] running `Command { std: "docker" "start" "-a" "092570b63a0d0cae8332c3c82d5b4e6a6a5b6a0ed8b56365a451ce92da21d82d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fixed_buffer_tokio-aa402edae866ae21)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test async_read_write_chain::tests::both_empty ... ok
[INFO] [stdout] test async_read_write_chain::tests::doesnt_read_second_when_first_returns_error ... 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::passes_writes_through ... ok
[INFO] [stdout] test async_read_write_chain::tests::reads_first_then_second ... ok
[INFO] [stdout] test async_read_write_chain::tests::returns_error_from_second ... ok
[INFO] [stdout] test async_read_write_chain::tests::reads_second_when_first_empty ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_call_read_after_len_reached ... 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::doesnt_read_when_zero ... ok
[INFO] [stdout] test async_read_write_take::tests::empty ... ok
[INFO] [stdout] test async_read_write_take::tests::read_error ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::passes_writes_through ... 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_async_write ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len ... ok
[INFO] [stdout] test tests::test_async_read ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_complete_leaves_leftovers ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_incomplete ... 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_incomplete_to_complete ... 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_read_frame_invalid_doesnt_read ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/server.rs (/opt/rustwide/target/debug/deps/server-9cc7c6d2b3402958)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stderr]    Doc-tests fixed_buffer_tokio
[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 2 tests
[INFO] [stdout] test src/lib.rs - AsyncFixedBuf<SIZE>::empty (line 104) ... ok
[INFO] [stdout] test src/lib.rs - AsyncFixedBuf<SIZE>::filled (line 113) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "092570b63a0d0cae8332c3c82d5b4e6a6a5b6a0ed8b56365a451ce92da21d82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092570b63a0d0cae8332c3c82d5b4e6a6a5b6a0ed8b56365a451ce92da21d82d", kill_on_drop: false }`
[INFO] [stdout] 092570b63a0d0cae8332c3c82d5b4e6a6a5b6a0ed8b56365a451ce92da21d82d