[INFO] fetching crate tokio-tcp 0.1.4...
[INFO] testing tokio-tcp-0.1.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tokio-tcp 0.1.4 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tokio-tcp 0.1.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-tcp 0.1.4
[INFO] finished tweaking crates.io crate tokio-tcp 0.1.4
[INFO] tweaked toml for crates.io crate tokio-tcp 0.1.4 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7867c113b9c8a76dea95881fb2fbbf25083fec54adb7d2676d83d667d8e125c7
[INFO] running `Command { std: "docker" "start" "-a" "7867c113b9c8a76dea95881fb2fbbf25083fec54adb7d2676d83d667d8e125c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7867c113b9c8a76dea95881fb2fbbf25083fec54adb7d2676d83d667d8e125c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7867c113b9c8a76dea95881fb2fbbf25083fec54adb7d2676d83d667d8e125c7", kill_on_drop: false }`
[INFO] [stdout] 7867c113b9c8a76dea95881fb2fbbf25083fec54adb7d2676d83d667d8e125c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c09366e40ac222a76cebdb15510c9849b4cf91b25f86d1fb60f55cf14cf01c
[INFO] running `Command { std: "docker" "start" "-a" "b4c09366e40ac222a76cebdb15510c9849b4cf91b25f86d1fb60f55cf14cf01c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-tcp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/stream.rs:816:9
[INFO] [stdout]     |
[INFO] [stdout] 816 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "b4c09366e40ac222a76cebdb15510c9849b4cf91b25f86d1fb60f55cf14cf01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c09366e40ac222a76cebdb15510c9849b4cf91b25f86d1fb60f55cf14cf01c", kill_on_drop: false }`
[INFO] [stdout] b4c09366e40ac222a76cebdb15510c9849b4cf91b25f86d1fb60f55cf14cf01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35597e848adcf5a30944c44b9bf9eeb94d72a8694566f4475ed6845b74a3cbde
[INFO] running `Command { std: "docker" "start" "-a" "35597e848adcf5a30944c44b9bf9eeb94d72a8694566f4475ed6845b74a3cbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/stream.rs:816:9
[INFO] [stdout]     |
[INFO] [stdout] 816 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-tcp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/stream.rs:816:9
[INFO] [stdout]     |
[INFO] [stdout] 816 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> tests/tcp.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |             client.set_linger(Some(Duration::from_millis(0))).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "35597e848adcf5a30944c44b9bf9eeb94d72a8694566f4475ed6845b74a3cbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35597e848adcf5a30944c44b9bf9eeb94d72a8694566f4475ed6845b74a3cbde", kill_on_drop: false }`
[INFO] [stdout] 35597e848adcf5a30944c44b9bf9eeb94d72a8694566f4475ed6845b74a3cbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40700933a5ae25cfbc0e81db949382995b89c9ef088e372ddab2dc9f392f0fd2
[INFO] running `Command { std: "docker" "start" "-a" "40700933a5ae25cfbc0e81db949382995b89c9ef088e372ddab2dc9f392f0fd2", kill_on_drop: false }`
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/stream.rs:816:9
[INFO] [stderr]     |
[INFO] [stderr] 816 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-tcp` (lib) generated 1 warning
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/tcp.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |             client.set_linger(Some(Duration::from_millis(0))).unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-tcp` (test "tcp") generated 1 warning
[INFO] [stderr] warning: `tokio-tcp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_tcp-e046256efd231eec)
[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] [stderr]      Running tests/chain.rs (/opt/rustwide/target/debug/deps/chain-c843d2bfea455826)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chain_clients ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/echo.rs (/opt/rustwide/target/debug/deps/echo-2f8718bcc756c84c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/limit.rs (/opt/rustwide/target/debug/deps/limit-4b40c81f5f898032)
[INFO] [stdout] test echo_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test limit ... 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/stream-buffered.rs (/opt/rustwide/target/debug/deps/stream_buffered-4115b4c876d9ac41)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test echo_server ... 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.rs (/opt/rustwide/target/debug/deps/tcp-a7f194e7d4564f66)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test accept ... ok
[INFO] [stdout] test connect ... ok
[INFO] [stdout] test accept2 ... ok
[INFO] [stderr]    Doc-tests tokio-tcp
[INFO] [stdout] test linux::poll_hup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/listener.rs - listener::TcpListener::from_std (line 225) - compile ... ok
[INFO] [stdout] test src/listener.rs - listener::TcpListener (line 19) - compile ... ok
[INFO] [stdout] test src/listener.rs - listener::TcpListener::poll_accept_std (line 162) - compile ... ok
[INFO] [stdout] test src/listener.rs - listener::TcpListener::poll_accept (line 104) - compile ... ok
[INFO] [stdout] test src/stream.rs - stream::TcpStream::from_std (line 112) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name tokio_tcp --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e85102ab9b083f0f.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b8fc05bfc3911b16.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-71764451b30370be.rlib --extern iovec=/opt/rustwide/target/debug/deps/libiovec-064741e0bff56463.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-568748613cd029b8.rlib --extern net2=/opt/rustwide/target/debug/deps/libnet2-1f2c474418b758a8.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b3c9e2416340ca48.rlib --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-f78cb147ea9cf173.rlib --extern tokio_reactor=/opt/rustwide/target/debug/deps/libtokio_reactor-d96833f8d1e5cbe1.rlib --extern tokio_tcp=/opt/rustwide/target/debug/deps/libtokio_tcp-940bbfe206c811e7.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "40700933a5ae25cfbc0e81db949382995b89c9ef088e372ddab2dc9f392f0fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40700933a5ae25cfbc0e81db949382995b89c9ef088e372ddab2dc9f392f0fd2", kill_on_drop: false }`
[INFO] [stdout] 40700933a5ae25cfbc0e81db949382995b89c9ef088e372ddab2dc9f392f0fd2