[INFO] fetching crate r2d2 0.8.10...
[INFO] checking r2d2-0.8.10 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate r2d2 0.8.10 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate r2d2 0.8.10 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2 0.8.10
[INFO] finished tweaking crates.io crate r2d2 0.8.10
[INFO] tweaked toml for crates.io crate r2d2 0.8.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
[INFO] [stderr]   Downloaded smallvec v1.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9327b7b34ea4ae0cc6a2496a088134758c7d9d1b7d6775d5bb96a7ab82f773e7
[INFO] running `Command { std: "docker" "start" "-a" "9327b7b34ea4ae0cc6a2496a088134758c7d9d1b7d6775d5bb96a7ab82f773e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9327b7b34ea4ae0cc6a2496a088134758c7d9d1b7d6775d5bb96a7ab82f773e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9327b7b34ea4ae0cc6a2496a088134758c7d9d1b7d6775d5bb96a7ab82f773e7", kill_on_drop: false }`
[INFO] [stdout] 9327b7b34ea4ae0cc6a2496a088134758c7d9d1b7d6775d5bb96a7ab82f773e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7506c64b963a76a611f9853277d65b5b95bf08e031660b244c36f058270eea80
[INFO] running `Command { std: "docker" "start" "-a" "7506c64b963a76a611f9853277d65b5b95bf08e031660b244c36f058270eea80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking r2d2 v0.8.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:559:37
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:559:37
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/config.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/config.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/test.rs:167:27
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if self.first.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "7506c64b963a76a611f9853277d65b5b95bf08e031660b244c36f058270eea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7506c64b963a76a611f9853277d65b5b95bf08e031660b244c36f058270eea80", kill_on_drop: false }`
[INFO] [stdout] 7506c64b963a76a611f9853277d65b5b95bf08e031660b244c36f058270eea80