[INFO] fetching crate distribuidos_sync 1.2.0...
[INFO] checking distribuidos_sync-1.2.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate distribuidos_sync 1.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate distribuidos_sync 1.2.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distribuidos_sync 1.2.0
[INFO] finished tweaking crates.io crate distribuidos_sync 1.2.0
[INFO] tweaked toml for crates.io crate distribuidos_sync 1.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate distribuidos_sync 1.2.0 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7581a7f5b5b08e5faedd3be9a308da1f4e59d7bbb8795b77b20291d25f4c0edb
[INFO] running `Command { std: "docker" "start" "-a" "7581a7f5b5b08e5faedd3be9a308da1f4e59d7bbb8795b77b20291d25f4c0edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7581a7f5b5b08e5faedd3be9a308da1f4e59d7bbb8795b77b20291d25f4c0edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7581a7f5b5b08e5faedd3be9a308da1f4e59d7bbb8795b77b20291d25f4c0edb", kill_on_drop: false }`
[INFO] [stdout] 7581a7f5b5b08e5faedd3be9a308da1f4e59d7bbb8795b77b20291d25f4c0edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7a4328d1e4c9b63e05838370b2ccc4beb59d15280ad4e0fccce9c815cbf146
[INFO] running `Command { std: "docker" "start" "-a" "be7a4328d1e4c9b63e05838370b2ccc4beb59d15280ad4e0fccce9c815cbf146", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking distribuidos_sync v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::types::ExecuteError`
[INFO] [stdout]  --> src/thread_pool/infinite.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use super::types::ExecuteError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MessageSender` and `QueueError`
[INFO] [stdout]  --> src/worker_pool/worker.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::types::{MessageSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/bounded.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::types::{MessageSyncSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `QueueError` and `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/infinite.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::types::{MessageSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/mod.rs:5:55
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use crate::types::{MessageSyncSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::types::ExecuteError`
[INFO] [stdout]  --> src/thread_pool/infinite.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use super::types::ExecuteError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MessageSender` and `QueueError`
[INFO] [stdout]  --> src/worker_pool/worker.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::types::{MessageSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/bounded.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::types::{MessageSyncSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `QueueError` and `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/infinite.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::types::{MessageSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedMessageReceiver`
[INFO] [stdout]  --> src/worker_pool/mod.rs:5:55
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use crate::types::{MessageSyncSender, QueueError, SharedMessageReceiver};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "be7a4328d1e4c9b63e05838370b2ccc4beb59d15280ad4e0fccce9c815cbf146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7a4328d1e4c9b63e05838370b2ccc4beb59d15280ad4e0fccce9c815cbf146", kill_on_drop: false }`
[INFO] [stdout] be7a4328d1e4c9b63e05838370b2ccc4beb59d15280ad4e0fccce9c815cbf146