[INFO] fetching crate rpcx_client 0.3.0...
[INFO] checking rpcx_client-0.3.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rpcx_client 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rpcx_client 0.3.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpcx_client 0.3.0
[INFO] finished tweaking crates.io crate rpcx_client 0.3.0
[INFO] tweaked toml for crates.io crate rpcx_client 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6841bdf67003a722ec15515660d7d8672db00c7bc760fc6d92f519c8fb3203a0
[INFO] running `Command { std: "docker" "start" "-a" "6841bdf67003a722ec15515660d7d8672db00c7bc760fc6d92f519c8fb3203a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6841bdf67003a722ec15515660d7d8672db00c7bc760fc6d92f519c8fb3203a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6841bdf67003a722ec15515660d7d8672db00c7bc760fc6d92f519c8fb3203a0", kill_on_drop: false }`
[INFO] [stdout] 6841bdf67003a722ec15515660d7d8672db00c7bc760fc6d92f519c8fb3203a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726c46d5a789dc13a48d28bcebcc422eea0483795fbc6d51446536b9d9c86dde
[INFO] running `Command { std: "docker" "start" "-a" "726c46d5a789dc13a48d28bcebcc422eea0483795fbc6d51446536b9d9c86dde", kill_on_drop: false }`
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[INFO] [stderr]     Checking rpcx_protocol v0.3.0
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[INFO] [stderr]     Checking rpcx_client v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:265:52
[INFO] [stdout]     |
[INFO] [stdout] 265 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:265:52
[INFO] [stdout]     |
[INFO] [stdout] 265 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             internal_call.error = String::from(err.description());
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.62s
[INFO] running `Command { std: "docker" "inspect" "726c46d5a789dc13a48d28bcebcc422eea0483795fbc6d51446536b9d9c86dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726c46d5a789dc13a48d28bcebcc422eea0483795fbc6d51446536b9d9c86dde", kill_on_drop: false }`
[INFO] [stdout] 726c46d5a789dc13a48d28bcebcc422eea0483795fbc6d51446536b9d9c86dde