[INFO] fetching crate multiplexed-connection 0.4.0...
[INFO] checking multiplexed-connection-0.4.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate multiplexed-connection 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate multiplexed-connection 0.4.0
[INFO] finished tweaking crates.io crate multiplexed-connection 0.4.0
[INFO] tweaked toml for crates.io crate multiplexed-connection 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multiplexed-connection 0.4.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate multiplexed-connection 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a5554f734cfd05e5f55fd189c548c48249312c40d9476d6f0044bed6bdd576
[INFO] running `Command { std: "docker" "start" "-a" "a5a5554f734cfd05e5f55fd189c548c48249312c40d9476d6f0044bed6bdd576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a5554f734cfd05e5f55fd189c548c48249312c40d9476d6f0044bed6bdd576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a5554f734cfd05e5f55fd189c548c48249312c40d9476d6f0044bed6bdd576", kill_on_drop: false }`
[INFO] [stdout] a5a5554f734cfd05e5f55fd189c548c48249312c40d9476d6f0044bed6bdd576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c32b2efe8b6c3746ef6344e502b06b447f9e1ab6a5de170b402c94ac50c2b32
[INFO] running `Command { std: "docker" "start" "-a" "8c32b2efe8b6c3746ef6344e502b06b447f9e1ab6a5de170b402c94ac50c2b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking regex-automata v0.1.10
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[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking vte v0.10.1
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[INFO] [stderr]     Checking multiplexed-connection v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient`
[INFO] [stdout]    --> src/multiplexed_connection/rpc/services.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |         pub use super::RpcChannelsServiceClient;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient`
[INFO] [stdout]    --> src/multiplexed_connection/rpc/services.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |         pub use super::RpcChannelsServiceClient;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::RpcChannelsServiceClient`
[INFO] [stdout]    --> src/multiplexed_connection/rpc/services.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         pub use super::RpcChannelsServiceClient;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rpc::RpcChannelsServiceClient`
[INFO] [stdout]   --> src/multiplexed_connection/disconnected.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use super::rpc::RpcChannelsServiceClient;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SubscriberInitExt`, `TraceListenerOptions`, `Trace`, `child`, `create_trace_listener`, and `create_trace`
[INFO] [stdout]   --> src/multiplexed_connection.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use cs_trace::{create_trace_listener, TraceListenerOptions, Trace, SubscriberInitExt, create_trace, child};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpc_channel::RemoteRpcChannelEvent`
[INFO] [stdout]  --> src/multiplexed_connection/rpc.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use rpc_channel::RemoteRpcChannelEvent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rpc::RpcChannelsServiceClient`
[INFO] [stdout]   --> src/multiplexed_connection/disconnected.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use super::rpc::RpcChannelsServiceClient;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `off_data` is never used
[INFO] [stdout]   --> src/multiplexed_connection/rpc/rpc_channel/remote_rpc_channel_event.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl RemoteRpcChannelEvent {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn off_data(&mut self, data_source: TDataReader) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ChannelStreamFailure(String),
[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] 8 -     ChannelStreamFailure(String),
[INFO] [stdout] 8 +     ChannelStreamFailure(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused pinned boxed `futures::Future` trait object that must be used
[INFO] [stdout]   --> src/multiplexed_connection/rpc/rpc_channel.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.write_async_future.take().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ChannelStreamFailure(String),
[INFO] [stdout]   |     -------------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 8 -     ChannelStreamFailure(String),
[INFO] [stdout] 8 +     ChannelStreamFailure(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused pinned boxed `futures::Future` trait object that must be used
[INFO] [stdout]   --> src/multiplexed_connection/rpc/rpc_channel.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.write_async_future.take().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.61s
[INFO] running `Command { std: "docker" "inspect" "8c32b2efe8b6c3746ef6344e502b06b447f9e1ab6a5de170b402c94ac50c2b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c32b2efe8b6c3746ef6344e502b06b447f9e1ab6a5de170b402c94ac50c2b32", kill_on_drop: false }`
[INFO] [stdout] 8c32b2efe8b6c3746ef6344e502b06b447f9e1ab6a5de170b402c94ac50c2b32
