[INFO] fetching crate backoff-futures 0.3.2...
[INFO] checking backoff-futures-0.3.2 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate backoff-futures 0.3.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate backoff-futures 0.3.2 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f403c67755f5dd153479b59f6229a08c19e8a9e6f00b24daa3047216afe7622
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f403c67755f5dd153479b59f6229a08c19e8a9e6f00b24daa3047216afe7622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f403c67755f5dd153479b59f6229a08c19e8a9e6f00b24daa3047216afe7622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f403c67755f5dd153479b59f6229a08c19e8a9e6f00b24daa3047216afe7622", kill_on_drop: false }`
[INFO] [stdout] 7f403c67755f5dd153479b59f6229a08c19e8a9e6f00b24daa3047216afe7622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] e183eb16589461e5caa051b4396ad3810fd7b6100f7bcbabe8c34ebcf8d27fc1
[INFO] running `Command { std: "docker" "start" "-a" "e183eb16589461e5caa051b4396ad3810fd7b6100f7bcbabe8c34ebcf8d27fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling isahc v0.9.8
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-trait v0.1.39
[INFO] [stderr]     Checking backoff-futures v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "e183eb16589461e5caa051b4396ad3810fd7b6100f7bcbabe8c34ebcf8d27fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e183eb16589461e5caa051b4396ad3810fd7b6100f7bcbabe8c34ebcf8d27fc1", kill_on_drop: false }`
[INFO] [stdout] e183eb16589461e5caa051b4396ad3810fd7b6100f7bcbabe8c34ebcf8d27fc1