[INFO] fetching crate google-cloudtasks2 1.0.14+20200615...
[INFO] checking google-cloudtasks2-1.0.14+20200615 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate google-cloudtasks2 1.0.14+20200615 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate google-cloudtasks2 1.0.14+20200615 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate google-cloudtasks2 1.0.14+20200615
[INFO] finished tweaking crates.io crate google-cloudtasks2 1.0.14+20200615
[INFO] tweaked toml for crates.io crate google-cloudtasks2 1.0.14+20200615 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a192174db732e70b3863069085cd49d85f5ad5683ca5fd77ef11eef795438c78
[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" "a192174db732e70b3863069085cd49d85f5ad5683ca5fd77ef11eef795438c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a192174db732e70b3863069085cd49d85f5ad5683ca5fd77ef11eef795438c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a192174db732e70b3863069085cd49d85f5ad5683ca5fd77ef11eef795438c78", kill_on_drop: false }`
[INFO] [stdout] a192174db732e70b3863069085cd49d85f5ad5683ca5fd77ef11eef795438c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342a1f97fd2e67e5eec21d1e1637ee3b5296d86b06bfd86685d4bbe3d9c6386d
[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" "342a1f97fd2e67e5eec21d1e1637ee3b5296d86b06bfd86685d4bbe3d9c6386d", kill_on_drop: false }`
[INFO] [stderr]     Checking google-cloudtasks2 v1.0.14+20200615 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/cmn.rs:336:46
[INFO] [stdout]     |
[INFO] [stdout] 336 |             Error::HttpError(ref err) => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/cmn.rs:337:55
[INFO] [stdout]     |
[INFO] [stdout] 337 |             Error::JsonDecodeError(_, ref err) => err.description(),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/cmn.rs:336:46
[INFO] [stdout]     |
[INFO] [stdout] 336 |             Error::HttpError(ref err) => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/cmn.rs:337:55
[INFO] [stdout]     |
[INFO] [stdout] 337 |             Error::JsonDecodeError(_, ref err) => err.description(),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "342a1f97fd2e67e5eec21d1e1637ee3b5296d86b06bfd86685d4bbe3d9c6386d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342a1f97fd2e67e5eec21d1e1637ee3b5296d86b06bfd86685d4bbe3d9c6386d", kill_on_drop: false }`
[INFO] [stdout] 342a1f97fd2e67e5eec21d1e1637ee3b5296d86b06bfd86685d4bbe3d9c6386d