[INFO] fetching crate futures-spawn 0.1.1...
[INFO] checking futures-spawn-0.1.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate futures-spawn 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate futures-spawn 0.1.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-spawn 0.1.1
[INFO] finished tweaking crates.io crate futures-spawn 0.1.1
[INFO] tweaked toml for crates.io crate futures-spawn 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df945b05b6f8129434103f1527aac98c19c23ad62003e390fc9a3763705bd990
[INFO] running `Command { std: "docker" "start" "-a" "df945b05b6f8129434103f1527aac98c19c23ad62003e390fc9a3763705bd990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df945b05b6f8129434103f1527aac98c19c23ad62003e390fc9a3763705bd990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df945b05b6f8129434103f1527aac98c19c23ad62003e390fc9a3763705bd990", kill_on_drop: false }`
[INFO] [stdout] df945b05b6f8129434103f1527aac98c19c23ad62003e390fc9a3763705bd990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fe6c47e5f28bfb15f565379151c4fe3c71a0d68d2cb635c934f435bf62e65a0
[INFO] running `Command { std: "docker" "start" "-a" "7fe6c47e5f28bfb15f565379151c4fe3c71a0d68d2cb635c934f435bf62e65a0", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking futures-spawn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `oneshot` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 39  |     use futures::sync::oneshot;
[INFO] [stdout]     |         ---------------------- the item `oneshot` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 100 |             use futures::sync::oneshot;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AssertUnwindSafe` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 42  |     use std::panic::{self, AssertUnwindSafe};
[INFO] [stdout]     |                            ---------------- the item `AssertUnwindSafe` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 101 |             use std::panic::AssertUnwindSafe;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 43  |     use std::sync::Arc;
[INFO] [stdout]     |         -------------- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 102 |             use std::sync::Arc;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 44  |     use std::sync::atomic::AtomicBool;
[INFO] [stdout]     |         ----------------------------- the item `AtomicBool` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 103 |             use std::sync::atomic::AtomicBool;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 41  |     use std::{thread};
[INFO] [stdout]     |               ------ the item `thread` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 195 |             use std::thread;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Complete::<T>::complete`: renamed to `send`
[INFO] [stdout]    --> src/lib.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |             self.tx.take().unwrap().complete(res);
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `oneshot` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 39  |     use futures::sync::oneshot;
[INFO] [stdout]     |         ---------------------- the item `oneshot` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 100 |             use futures::sync::oneshot;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AssertUnwindSafe` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 42  |     use std::panic::{self, AssertUnwindSafe};
[INFO] [stdout]     |                            ---------------- the item `AssertUnwindSafe` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 101 |             use std::panic::AssertUnwindSafe;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 43  |     use std::sync::Arc;
[INFO] [stdout]     |         -------------- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 102 |             use std::sync::Arc;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 44  |     use std::sync::atomic::AtomicBool;
[INFO] [stdout]     |         ----------------------------- the item `AtomicBool` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 103 |             use std::sync::atomic::AtomicBool;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 41  |     use std::{thread};
[INFO] [stdout]     |               ------ the item `thread` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 195 |             use std::thread;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Complete::<T>::complete`: renamed to `send`
[INFO] [stdout]    --> src/lib.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |             self.tx.take().unwrap().complete(res);
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "7fe6c47e5f28bfb15f565379151c4fe3c71a0d68d2cb635c934f435bf62e65a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe6c47e5f28bfb15f565379151c4fe3c71a0d68d2cb635c934f435bf62e65a0", kill_on_drop: false }`
[INFO] [stdout] 7fe6c47e5f28bfb15f565379151c4fe3c71a0d68d2cb635c934f435bf62e65a0
