[INFO] fetching crate tk-pool 0.5.3...
[INFO] checking tk-pool-0.5.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tk-pool 0.5.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tk-pool 0.5.3
[INFO] finished tweaking crates.io crate tk-pool 0.5.3
[INFO] tweaked toml for crates.io crate tk-pool 0.5.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tk-pool 0.5.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.8)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87b74dca989d656eea70f4c463ab3dc1af7383841c2ad564301a3dd4a777494
[INFO] running `Command { std: "docker" "start" "-a" "a87b74dca989d656eea70f4c463ab3dc1af7383841c2ad564301a3dd4a777494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87b74dca989d656eea70f4c463ab3dc1af7383841c2ad564301a3dd4a777494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87b74dca989d656eea70f4c463ab3dc1af7383841c2ad564301a3dd4a777494", kill_on_drop: false }`
[INFO] [stdout] a87b74dca989d656eea70f4c463ab3dc1af7383841c2ad564301a3dd4a777494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ed685ea682fab16e1e0e83ddb6d34e4169fb1ab63d0384eb4aa70411e4faa7
[INFO] running `Command { std: "docker" "start" "-a" "75ed685ea682fab16e1e0e83ddb6d34e4169fb1ab63d0384eb4aa70411e4faa7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking async-slot v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tk-bufstream v0.3.0
[INFO] [stderr]     Checking abstract-ns v0.4.3
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking ns-std-threaded v0.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking ns-router v0.1.6
[INFO] [stderr]     Checking tk-pool v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uniform/pool.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |       pub(in uniform) futures: FuturesUnordered<Box<Future<
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 23 | |                         Item=FutureOk<<C::Future as Future>::Item>,
[INFO] [stdout] 24 | |                         Error=FutureErr<E::ConnectionError, E::SinkError>>>>,
[INFO] [stdout]    | |__________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(in uniform) futures: FuturesUnordered<Box<dyn Future<
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/queue.rs:244:32
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[INFO] [stdout]     |                                +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertTraits` is never used
[INFO] [stdout]   --> src/queue.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | trait AssertTraits: Clone + Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/uniform/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Aborted(SocketAddr),
[INFO] [stdout]    |     ------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     Aborted(SocketAddr),
[INFO] [stdout] 45 +     Aborted(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/uniform/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Closed(SocketAddr),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 47 -     Closed(SocketAddr),
[INFO] [stdout] 47 +     Closed(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Async<Option<Address>>, Void>
[INFO] [stdout]    --> src/uniform/mod.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             match self.address.poll() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tk-pool` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75ed685ea682fab16e1e0e83ddb6d34e4169fb1ab63d0384eb4aa70411e4faa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ed685ea682fab16e1e0e83ddb6d34e4169fb1ab63d0384eb4aa70411e4faa7", kill_on_drop: false }`
[INFO] [stdout] 75ed685ea682fab16e1e0e83ddb6d34e4169fb1ab63d0384eb4aa70411e4faa7
