[INFO] fetching crate erebus-sdk-rust 1.4.0...
[INFO] checking erebus-sdk-rust-1.4.0 against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] extracting crate erebus-sdk-rust 1.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate erebus-sdk-rust 1.4.0 on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erebus-sdk-rust 1.4.0
[INFO] finished tweaking crates.io crate erebus-sdk-rust 1.4.0
[INFO] tweaked toml for crates.io crate erebus-sdk-rust 1.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate erebus-sdk-rust 1.4.0 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85eaa994731b2d118d9b2b7ef7f0ce4a693c094f0b6b1813989fdcbbb8572893
[INFO] running `Command { std: "docker" "start" "-a" "85eaa994731b2d118d9b2b7ef7f0ce4a693c094f0b6b1813989fdcbbb8572893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85eaa994731b2d118d9b2b7ef7f0ce4a693c094f0b6b1813989fdcbbb8572893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85eaa994731b2d118d9b2b7ef7f0ce4a693c094f0b6b1813989fdcbbb8572893", kill_on_drop: false }`
[INFO] [stdout] 85eaa994731b2d118d9b2b7ef7f0ce4a693c094f0b6b1813989fdcbbb8572893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5cada07df9ced1a2448501f39e88511a50649846b4b7e92d736fe8ccd0b94c
[INFO] running `Command { std: "docker" "start" "-a" "eb5cada07df9ced1a2448501f39e88511a50649846b4b7e92d736fe8ccd0b94c", kill_on_drop: false }`
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[INFO] [stderr]     Checking erebus-sdk-rust v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SinkExt` and `StreamExt`
[INFO] [stdout]   --> src/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures_util::{SinkExt, StreamExt};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::future::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SinkExt` and `StreamExt`
[INFO] [stdout]   --> src/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures_util::{SinkExt, StreamExt};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::future::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/client.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl ErebusWebSocketClient {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     async fn close(mut self) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/client.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl ErebusWebSocketClient {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     async fn close(mut self) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     dbg!(
[INFO] [stdout] 12 | |         erebus_sdk_rust::object_cache_get::<Test>(
[INFO] [stdout] 13 | |             "tesxt".to_string(),
[INFO] [stdout] 14 | |             vec!["test".to_string()],
[INFO] [stdout] 15 | |         ).await,
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     dbg!(
[INFO] [stdout] 19 | |         erebus_sdk_rust::object_cache_put::<Test>(
[INFO] [stdout] 20 | |             "test".to_string(),
[INFO] [stdout] 21 | |             vec!["test".to_string()],
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |         ).await,
[INFO] [stdout] 26 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     dbg!(
[INFO] [stdout] 29 | |         erebus_sdk_rust::object_cache_get::<Test>(
[INFO] [stdout] 30 | |             "test".to_string(),
[INFO] [stdout] 31 | |             vec!["test".to_string()],
[INFO] [stdout] 32 | |         ).await,
[INFO] [stdout] 33 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     dbg!(
[INFO] [stdout] 12 | |         erebus_sdk_rust::object_cache_get::<Test>(
[INFO] [stdout] 13 | |             "tesxt".to_string(),
[INFO] [stdout] 14 | |             vec!["test".to_string()],
[INFO] [stdout] 15 | |         ).await,
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     dbg!(
[INFO] [stdout] 19 | |         erebus_sdk_rust::object_cache_put::<Test>(
[INFO] [stdout] 20 | |             "test".to_string(),
[INFO] [stdout] 21 | |             vec!["test".to_string()],
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |         ).await,
[INFO] [stdout] 26 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     dbg!(
[INFO] [stdout] 29 | |         erebus_sdk_rust::object_cache_get::<Test>(
[INFO] [stdout] 30 | |             "test".to_string(),
[INFO] [stdout] 31 | |             vec!["test".to_string()],
[INFO] [stdout] 32 | |         ).await,
[INFO] [stdout] 33 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "eb5cada07df9ced1a2448501f39e88511a50649846b4b7e92d736fe8ccd0b94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5cada07df9ced1a2448501f39e88511a50649846b4b7e92d736fe8ccd0b94c", kill_on_drop: false }`
[INFO] [stdout] eb5cada07df9ced1a2448501f39e88511a50649846b4b7e92d736fe8ccd0b94c
