[INFO] fetching crate mcprotocol-rs 0.1.5...
[INFO] checking mcprotocol-rs-0.1.5 against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] extracting crate mcprotocol-rs 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mcprotocol-rs 0.1.5 on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcprotocol-rs 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mcprotocol-rs 0.1.5
[INFO] tweaked toml for crates.io crate mcprotocol-rs 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mcprotocol-rs 0.1.5 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 9feed3e280df9fca92a4ce886a7ae07346a41d09db4821fccfb5bb6b1d9686d4
[INFO] running `Command { std: "docker" "start" "-a" "9feed3e280df9fca92a4ce886a7ae07346a41d09db4821fccfb5bb6b1d9686d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9feed3e280df9fca92a4ce886a7ae07346a41d09db4821fccfb5bb6b1d9686d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9feed3e280df9fca92a4ce886a7ae07346a41d09db4821fccfb5bb6b1d9686d4", kill_on_drop: false }`
[INFO] [stdout] 9feed3e280df9fca92a4ce886a7ae07346a41d09db4821fccfb5bb6b1d9686d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b032d2008f2518c841e34d5bd226a3360d27326c86561f096605f30aceb4a74
[INFO] running `Command { std: "docker" "start" "-a" "3b032d2008f2518c841e34d5bd226a3360d27326c86561f096605f30aceb4a74", kill_on_drop: false }`
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[INFO] [stderr]     Checking mcprotocol-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ClientCapabilities`, `ImplementationInfo`, and `ServerCapabilities`
[INFO] [stdout]  --> src/protocol/message.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{ClientCapabilities, ImplementationInfo, RequestId, ServerCapabilities};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/protocol/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use protocol::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `ServerCapabilities` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use server_features::*;
[INFO] [stdout]    |         ------------------ but the name `ServerCapabilities` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientCapabilities`, `ImplementationInfo`, and `ServerCapabilities`
[INFO] [stdout]  --> src/protocol/message.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{ClientCapabilities, ImplementationInfo, RequestId, ServerCapabilities};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/protocol/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use protocol::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `ServerCapabilities` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use server_features::*;
[INFO] [stdout]    |         ------------------ but the name `ServerCapabilities` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transport/stdio/client.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 55 |     async fn start_log_capture(&self, mut stderr: tokio::process::ChildStderr) {
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transport/stdio/client.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 55 |     async fn start_log_capture(&self, mut stderr: tokio::process::ChildStderr) {
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> src/protocol/message.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let request = Request::new(Method::Initialize, None, request_id.clone());
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_request`
[INFO] [stdout]    --> src/protocol/message.rs:664:13
[INFO] [stdout]     |
[INFO] [stdout] 664 |         let client_request = Request::new(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> examples/ping_example.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let (tx, mut rx) = tokio::sync::oneshot::channel::<()>();
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/ping_example.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let (tx, mut rx) = tokio::sync::oneshot::channel::<()>();
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.65s
[INFO] running `Command { std: "docker" "inspect" "3b032d2008f2518c841e34d5bd226a3360d27326c86561f096605f30aceb4a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b032d2008f2518c841e34d5bd226a3360d27326c86561f096605f30aceb4a74", kill_on_drop: false }`
[INFO] [stdout] 3b032d2008f2518c841e34d5bd226a3360d27326c86561f096605f30aceb4a74
