[INFO] fetching crate safina-net 0.1.3...
[INFO] testing safina-net-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate safina-net 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate safina-net 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-net 0.1.3
[INFO] finished tweaking crates.io crate safina-net 0.1.3
[INFO] tweaked toml for crates.io crate safina-net 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedbd807ae12c348e6f8e365a031c1187d5c01124d5f48647729012797d16ca1
[INFO] running `Command { std: "docker" "start" "-a" "aedbd807ae12c348e6f8e365a031c1187d5c01124d5f48647729012797d16ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedbd807ae12c348e6f8e365a031c1187d5c01124d5f48647729012797d16ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedbd807ae12c348e6f8e365a031c1187d5c01124d5f48647729012797d16ca1", kill_on_drop: false }`
[INFO] [stdout] aedbd807ae12c348e6f8e365a031c1187d5c01124d5f48647729012797d16ca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 825b108402d7f37c6035cf82a21b9c16e901b0b4166a2675735b36f0cbc5c455
[INFO] running `Command { std: "docker" "start" "-a" "825b108402d7f37c6035cf82a21b9c16e901b0b4166a2675735b36f0cbc5c455", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safina-sync v0.1.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling safina-threadpool v0.1.3
[INFO] [stderr]    Compiling safina-timer v0.1.9
[INFO] [stderr]    Compiling safina-executor v0.1.7
[INFO] [stderr]    Compiling safina-net v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "825b108402d7f37c6035cf82a21b9c16e901b0b4166a2675735b36f0cbc5c455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825b108402d7f37c6035cf82a21b9c16e901b0b4166a2675735b36f0cbc5c455", kill_on_drop: false }`
[INFO] [stdout] 825b108402d7f37c6035cf82a21b9c16e901b0b4166a2675735b36f0cbc5c455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d231cdc16851f3d68e92acdd846b882b5480cf6d536f261c1764dfc185f9fd
[INFO] running `Command { std: "docker" "start" "-a" "40d231cdc16851f3d68e92acdd846b882b5480cf6d536f261c1764dfc185f9fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling safina-async-test-core v0.1.1
[INFO] [stderr]    Compiling safina-async-test v0.1.9
[INFO] [stderr]    Compiling safina-net v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::io::Error::kind` that must be used
[INFO] [stdout]    --> tests/tcp_stream.rs:509:5
[INFO] [stdout]     |
[INFO] [stdout] 509 | /     socket_in_error()
[INFO] [stdout] 510 | |         .await
[INFO] [stdout] 511 | |         .write_all(&filled_vec(b'.', 10 * 1024 * 1024))
[INFO] [stdout] 512 | |         .await
[INFO] [stdout] 513 | |         .unwrap_err()
[INFO] [stdout] 514 | |         .kind();
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::io::Error::kind` that must be used
[INFO] [stdout]    --> tests/tcp_stream.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 540 | /     socket_in_error()
[INFO] [stdout] 541 | |         .await
[INFO] [stdout] 542 | |         .write_vectored(&[IoSlice::new(b"abc")])
[INFO] [stdout] 543 | |         .await
[INFO] [stdout] 544 | |         .unwrap_err()
[INFO] [stdout] 545 | |         .kind();
[INFO] [stdout]     | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 38.16s
[INFO] running `Command { std: "docker" "inspect" "40d231cdc16851f3d68e92acdd846b882b5480cf6d536f261c1764dfc185f9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d231cdc16851f3d68e92acdd846b882b5480cf6d536f261c1764dfc185f9fd", kill_on_drop: false }`
[INFO] [stdout] 40d231cdc16851f3d68e92acdd846b882b5480cf6d536f261c1764dfc185f9fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c09f91ce4911398864992ec1b8ab625e67748beba4b02d0cb0fd9e1f73f73a2
[INFO] running `Command { std: "docker" "start" "-a" "7c09f91ce4911398864992ec1b8ab625e67748beba4b02d0cb0fd9e1f73f73a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `std::io::Error::kind` that must be used
[INFO] [stderr]    --> tests/tcp_stream.rs:509:5
[INFO] [stderr]     |
[INFO] [stderr] 509 | /     socket_in_error()
[INFO] [stderr] 510 | |         .await
[INFO] [stderr] 511 | |         .write_all(&filled_vec(b'.', 10 * 1024 * 1024))
[INFO] [stderr] 512 | |         .await
[INFO] [stderr] 513 | |         .unwrap_err()
[INFO] [stderr] 514 | |         .kind();
[INFO] [stderr]     | |________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::io::Error::kind` that must be used
[INFO] [stderr]    --> tests/tcp_stream.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 | /     socket_in_error()
[INFO] [stderr] 541 | |         .await
[INFO] [stderr] 542 | |         .write_vectored(&[IoSlice::new(b"abc")])
[INFO] [stderr] 543 | |         .await
[INFO] [stderr] 544 | |         .unwrap_err()
[INFO] [stderr] 545 | |         .kind();
[INFO] [stderr]     | |________________^
[INFO] [stderr] 
[INFO] [stderr] warning: `safina-net` (test "tcp_stream") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safina_net-0aa189c1b9316b1c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tcp_client.rs (/opt/rustwide/target/debug/deps/tcp_client-2fadb366a473fd57)
[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] [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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tcp_listener.rs (/opt/rustwide/target/debug/deps/tcp_listener-9e9aa17cb53983d0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test bind_error_ ... ok
[INFO] [stdout] test into_inner_ ... ok
[INFO] [stdout] test inner_ ... ok
[INFO] [stdout] test accepted_tcp_stream_remote_addr_ ... ok
[INFO] [stdout] test try_clone_ ... ok
[INFO] [stdout] test accept_many_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tcp_server.rs (/opt/rustwide/target/debug/deps/tcp_server-f96abbfd4bf3d94b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tcp_stream.rs (/opt/rustwide/target/debug/deps/tcp_stream-a3a7ddbf05de6905)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test inner_mut_ ... ok
[INFO] [stdout] test flush_ ... ok
[INFO] [stdout] test into_inner_ ... ok
[INFO] [stdout] test write_ ... ok
[INFO] [stdout] test write_vectored_ ... ok
[INFO] [stdout] test read_exact_not_enough_bytes_ ... ok
[INFO] [stdout] test read_error_ ... ok
[INFO] [stdout] test read_exact_empty_ ... ok
[INFO] [stdout] test read_exact_error_ ... ok
[INFO] [stdout] test peek_error_ ... ok
[INFO] [stdout] test read_to_string_error_ ... ok
[INFO] [stdout] test read_exact_ok_ ... ok
[INFO] [stdout] test write_error_ ... ok
[INFO] [stdout] test write_vectored_error_ ... ok
[INFO] [stdout] test read_vectored_error_ ... ok
[INFO] [stdout] test write_all_error_ ... ok
[INFO] [stdout] test read_ ... ok
[INFO] [stdout] test write_all_ ... ok
[INFO] [stdout] test peek_ ... ok
[INFO] [stdout] test read_to_end_error_ ... ok
[INFO] [stdout] test read_vectored_ ... ok
[INFO] [stdout] test read_to_end_ ... ok
[INFO] [stdout] test read_to_string_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina-net
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c09f91ce4911398864992ec1b8ab625e67748beba4b02d0cb0fd9e1f73f73a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c09f91ce4911398864992ec1b8ab625e67748beba4b02d0cb0fd9e1f73f73a2", kill_on_drop: false }`
[INFO] [stdout] 7c09f91ce4911398864992ec1b8ab625e67748beba4b02d0cb0fd9e1f73f73a2