[INFO] fetching crate sc-client-api 2.0.0...
[INFO] checking sc-client-api-2.0.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate sc-client-api 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sc-client-api 2.0.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-client-api 2.0.0
[INFO] finished tweaking crates.io crate sc-client-api 2.0.0
[INFO] tweaked toml for crates.io crate sc-client-api 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 3b2bacbc0b008b121dce41c1bacc046f4483306391891f0777c09c0b2c2d07e7
[INFO] running `Command { std: "docker" "start" "-a" "3b2bacbc0b008b121dce41c1bacc046f4483306391891f0777c09c0b2c2d07e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2bacbc0b008b121dce41c1bacc046f4483306391891f0777c09c0b2c2d07e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2bacbc0b008b121dce41c1bacc046f4483306391891f0777c09c0b2c2d07e7", kill_on_drop: false }`
[INFO] [stdout] 3b2bacbc0b008b121dce41c1bacc046f4483306391891f0777c09c0b2c2d07e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] b34baf32dbc6c948b129ef43c217350c8feebc70e963dab6c938d1ec00347b0e
[INFO] running `Command { std: "docker" "start" "-a" "b34baf32dbc6c948b129ef43c217350c8feebc70e963dab6c938d1ec00347b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking prometheus v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking trie-db v0.22.2
[INFO] [stderr]     Checking indexmap v1.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking parity-multiaddr v0.9.6
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-multiaddr-0.9.6/src/onion_addr.rs:3:12
[INFO] [stdout]     |
[INFO] [stdout] 3   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.119/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slog v2.7.0
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking sp-serializer v2.0.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-multiaddr`
[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" "b34baf32dbc6c948b129ef43c217350c8feebc70e963dab6c938d1ec00347b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34baf32dbc6c948b129ef43c217350c8feebc70e963dab6c938d1ec00347b0e", kill_on_drop: false }`
[INFO] [stdout] b34baf32dbc6c948b129ef43c217350c8feebc70e963dab6c938d1ec00347b0e