[INFO] fetching crate nash-protocol 0.1.22...
[INFO] checking nash-protocol-0.1.22 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate nash-protocol 0.1.22 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nash-protocol 0.1.22 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nash-protocol 0.1.22
[INFO] finished tweaking crates.io crate nash-protocol 0.1.22
[INFO] tweaked toml for crates.io crate nash-protocol 0.1.22 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2487199031747cca79471d46a3b4930413bcec96313d66a52c155063286304
[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" "ba2487199031747cca79471d46a3b4930413bcec96313d66a52c155063286304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2487199031747cca79471d46a3b4930413bcec96313d66a52c155063286304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2487199031747cca79471d46a3b4930413bcec96313d66a52c155063286304", kill_on_drop: false }`
[INFO] [stdout] ba2487199031747cca79471d46a3b4930413bcec96313d66a52c155063286304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] f5c97f16b1984bf340f87b4f5538c08e6d2aa9cef550ca15c2bd559453ff54ba
[INFO] running `Command { std: "docker" "start" "-a" "f5c97f16b1984bf340f87b4f5538c08e6d2aa9cef550ca15c2bd559453ff54ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
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[INFO] [stderr]    Compiling ascii v0.9.3
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[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling log v0.4.13
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[INFO] [stderr]     Checking tracing v0.1.22
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[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking p256 v0.5.2
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[INFO] [stderr]     Checking futures-executor v0.3.12
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[INFO] [stderr]    Compiling graphql-introspection-query v0.1.0
[INFO] [stderr]     Checking rust-gmp-serde v0.5.0
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[INFO] [stderr]     Checking paillier-common v0.1.1
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]     Checking nash-mpc v1.2.0
[INFO] [stderr]    Compiling graphql_client_codegen v0.9.0
[INFO] [stderr]    Compiling graphql_query_derive v0.9.0
[INFO] [stderr]     Checking graphql_client v0.9.0
[INFO] [stderr]     Checking nash-protocol v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutex`
[INFO] [stdout]    --> src/protocol/dh_fill_pool/types.rs:142:30
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let state = Arc::new(Mutex::new(
[INFO] [stdout]     |                              ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::protocol::dh_fill_pool::types::tests::executor::local_pool::thread::thread::env::sys::ext::net::raw_fd::sys_common::poison::Mutex;
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::protocol::dh_fill_pool::types::tests::executor::local_pool::thread::thread::env::sys::mutex::Mutex;
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use futures::lock::Mutex;
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use futures_util::lock::Mutex;
[INFO] [stdout]     |
[INFO] [stdout]       and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::RwLock`
[INFO] [stdout]    --> src/protocol/dh_fill_pool/types.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     use tokio::sync::RwLock;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nash-protocol`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f5c97f16b1984bf340f87b4f5538c08e6d2aa9cef550ca15c2bd559453ff54ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c97f16b1984bf340f87b4f5538c08e6d2aa9cef550ca15c2bd559453ff54ba", kill_on_drop: false }`
[INFO] [stdout] f5c97f16b1984bf340f87b4f5538c08e6d2aa9cef550ca15c2bd559453ff54ba