[INFO] cloning repository https://github.com/stsydow/parallel-stream-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stsydow/parallel-stream-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstsydow%2Fparallel-stream-rs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
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[INFO] checking stsydow/parallel-stream-rs against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstsydow%2Fparallel-stream-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stsydow/parallel-stream-rs on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
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[INFO] crate git repo https://github.com/stsydow/parallel-stream-rs already has a lockfile, it will not be regenerated
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> benchmarks/fs.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::runtime::{self, Runtime};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> benchmarks/fs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `block_on` is imported redundantly
[INFO] [stdout]   --> benchmarks/fs.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures::executor::block_on;
[INFO] [stdout]    |     --------------------------- the item `block_on` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 93 |     use futures::executor::block_on;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executors::FuturesExecutor`
[INFO] [stdout]    --> benchmarks/channel.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     use executors::FuturesExecutor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]    --> benchmarks/channel.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     use futures::executor::block_on;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `time_stream`
[INFO] [stdout]   --> benchmarks/bench.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn time_stream() -> impl Stream<Item=Instant> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `async_stream_latency`
[INFO] [stdout]    --> benchmarks/bench.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn async_stream_latency(_b: &mut Bencher) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 31.67s
[INFO] running `Command { std: "docker" "inspect" "c9ffee9662c1c5261d0f931140237b392eccfbbb337c4841477a893223976a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ffee9662c1c5261d0f931140237b392eccfbbb337c4841477a893223976a63", kill_on_drop: false }`
[INFO] [stdout] c9ffee9662c1c5261d0f931140237b392eccfbbb337c4841477a893223976a63