[INFO] fetching crate backoff-futures 0.3.2...
[INFO] checking backoff-futures-0.3.2 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate backoff-futures 0.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate backoff-futures 0.3.2 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backoff-futures 0.3.2
[INFO] finished tweaking crates.io crate backoff-futures 0.3.2
[INFO] tweaked toml for crates.io crate backoff-futures 0.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded backoff v0.2.1
[INFO] [stderr]   Downloaded curl v0.4.44
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[INFO] [stderr]   Downloaded libz-sys v1.1.8
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[INFO] [stdout] 4121388ff88977b7725195b1ba3c1ba235233a0309dff3d0635311b2978f6d9b
[INFO] running `Command { std: "docker" "start" "-a" "4121388ff88977b7725195b1ba3c1ba235233a0309dff3d0635311b2978f6d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4121388ff88977b7725195b1ba3c1ba235233a0309dff3d0635311b2978f6d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4121388ff88977b7725195b1ba3c1ba235233a0309dff3d0635311b2978f6d9b", kill_on_drop: false }`
[INFO] [stdout] 4121388ff88977b7725195b1ba3c1ba235233a0309dff3d0635311b2978f6d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec6ccee14a9910a8f35a6ada41c9b9787497e8842c6ab326b4fdb4ea5698c4f
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[INFO] [stderr]     Checking backoff-futures v0.3.2 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:227:10
[INFO] [stdout]     |
[INFO] [stdout] 227 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `BackoffExt::with_backoff`: Use the built-in `backoff::future` async support
[INFO] [stdout]    --> src/lib.rs:168:49
[INFO] [stdout]     |
[INFO] [stdout] 168 |             futures::executor::block_on(do_work.with_backoff(&mut backoff));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `BackoffExt::with_backoff`: Use the built-in `backoff::future` async support
[INFO] [stdout]    --> src/lib.rs:180:49
[INFO] [stdout]     |
[INFO] [stdout] 180 |             futures::executor::block_on(do_work.with_backoff(&mut backoff));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `BackoffExt::with_backoff`: Use the built-in `backoff::future` async support
[INFO] [stdout]    --> src/lib.rs:195:49
[INFO] [stdout]     |
[INFO] [stdout] 195 |             futures::executor::block_on(do_work.with_backoff(&mut backoff));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `BackoffExt::with_backoff`: Use the built-in `backoff::future` async support
[INFO] [stdout]    --> src/lib.rs:207:49
[INFO] [stdout]     |
[INFO] [stdout] 207 |             futures::executor::block_on(do_work.with_backoff(&mut backoff));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `BackoffExt::with_backoff_notify`: Use the built-in `backoff::future` async support
[INFO] [stdout]    --> src/lib.rs:238:47
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let result = runtime.block_on(do_work.with_backoff_notify(&mut backoff, |e, d| {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.08s
[INFO] running `Command { std: "docker" "inspect" "1ec6ccee14a9910a8f35a6ada41c9b9787497e8842c6ab326b4fdb4ea5698c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec6ccee14a9910a8f35a6ada41c9b9787497e8842c6ab326b4fdb4ea5698c4f", kill_on_drop: false }`
[INFO] [stdout] 1ec6ccee14a9910a8f35a6ada41c9b9787497e8842c6ab326b4fdb4ea5698c4f