[INFO] fetching crate schema_registry_converter 2.1.0...
[INFO] checking schema_registry_converter-2.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate schema_registry_converter 2.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate schema_registry_converter 2.1.0 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 schema_registry_converter 2.1.0
[INFO] finished tweaking crates.io crate schema_registry_converter 2.1.0
[INFO] tweaked toml for crates.io crate schema_registry_converter 2.1.0 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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-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_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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d44f148c35eff9fa85719080cf7da7bb049117694992940ff3bfd881dfae84c
[INFO] running `Command { std: "docker" "start" "-a" "7d44f148c35eff9fa85719080cf7da7bb049117694992940ff3bfd881dfae84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d44f148c35eff9fa85719080cf7da7bb049117694992940ff3bfd881dfae84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d44f148c35eff9fa85719080cf7da7bb049117694992940ff3bfd881dfae84c", kill_on_drop: false }`
[INFO] [stdout] 7d44f148c35eff9fa85719080cf7da7bb049117694992940ff3bfd881dfae84c
[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" "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] baacd617e22d92d54a326c28348d1b29cc768fece1830c7ad5bdcea50d40fd09
[INFO] running `Command { std: "docker" "start" "-a" "baacd617e22d92d54a326c28348d1b29cc768fece1830c7ad5bdcea50d40fd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]    Compiling rdkafka-sys v4.0.0+1.6.1
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking mockito v0.30.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking schema_registry_converter v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stdout] warning: associated function is never used: `url`
[INFO] [stdout]   --> src/async_impl/schema_registry.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) fn url(&self) -> &str {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking rdkafka v0.26.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/async_impl/schema_registry.rs:483:7
[INFO] [stdout]     |
[INFO] [stdout] 483 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/async_impl/schema_registry.rs:514:7
[INFO] [stdout]     |
[INFO] [stdout] 514 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/async_impl/schema_registry.rs:541:7
[INFO] [stdout]     |
[INFO] [stdout] 541 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `schema_registry_converter` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "baacd617e22d92d54a326c28348d1b29cc768fece1830c7ad5bdcea50d40fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baacd617e22d92d54a326c28348d1b29cc768fece1830c7ad5bdcea50d40fd09", kill_on_drop: false }`
[INFO] [stdout] baacd617e22d92d54a326c28348d1b29cc768fece1830c7ad5bdcea50d40fd09