[INFO] cloning repository https://github.com/yinho999/async-sync-closure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yinho999/async-sync-closure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinho999%2Fasync-sync-closure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinho999%2Fasync-sync-closure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2614b11f6450d1ebd37fbbe6b965761a75fbe92c
[INFO] checking yinho999/async-sync-closure against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinho999%2Fasync-sync-closure" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yinho999/async-sync-closure on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yinho999/async-sync-closure
[INFO] finished tweaking git repo https://github.com/yinho999/async-sync-closure
[INFO] tweaked toml for git repo https://github.com/yinho999/async-sync-closure written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yinho999/async-sync-closure 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b8118cdb43387fcb7684ab1f006015f50afb46195c8dc90c04fcdaed2613763
[INFO] running `Command { std: "docker" "start" "-a" "8b8118cdb43387fcb7684ab1f006015f50afb46195c8dc90c04fcdaed2613763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8118cdb43387fcb7684ab1f006015f50afb46195c8dc90c04fcdaed2613763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8118cdb43387fcb7684ab1f006015f50afb46195c8dc90c04fcdaed2613763", kill_on_drop: false }`
[INFO] [stdout] 8b8118cdb43387fcb7684ab1f006015f50afb46195c8dc90c04fcdaed2613763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdc5476a3bc4be96599639a4e99968720d0f11e31b818d248501c0f6639afae
[INFO] running `Command { std: "docker" "start" "-a" "afdc5476a3bc4be96599639a4e99968720d0f11e31b818d248501c0f6639afae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking async-sync-closure-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `private`
[INFO] [stdout]  --> src/message_storage.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::message_handler::{BoxedMessageHandler, MessageHandler, private};
[INFO] [stdout]   |                                                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/message_storage.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::message_value::MessageValueTrait`
[INFO] [stdout]  --> src/message_storage.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::message_value::MessageValueTrait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/message_value.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `private`
[INFO] [stdout]  --> src/message_storage.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::message_handler::{BoxedMessageHandler, MessageHandler, private};
[INFO] [stdout]   |                                                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/message_storage.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::message_value::MessageValueTrait`
[INFO] [stdout]  --> src/message_storage.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::message_value::MessageValueTrait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/message_value.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_sync_closure_testing::message_handler`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_sync_closure_testing::message_handler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_sync_closure_testing::message_handler`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_sync_closure_testing::message_handler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "afdc5476a3bc4be96599639a4e99968720d0f11e31b818d248501c0f6639afae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdc5476a3bc4be96599639a4e99968720d0f11e31b818d248501c0f6639afae", kill_on_drop: false }`
[INFO] [stdout] afdc5476a3bc4be96599639a4e99968720d0f11e31b818d248501c0f6639afae