[INFO] fetching crate sc-consensus-babe 0.8.0...
[INFO] checking sc-consensus-babe-0.8.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate sc-consensus-babe 0.8.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate sc-consensus-babe 0.8.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-consensus-babe 0.8.0
[INFO] finished tweaking crates.io crate sc-consensus-babe 0.8.0
[INFO] tweaked toml for crates.io crate sc-consensus-babe 0.8.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 214c4d803d63c40a55a5a45c2c2e91bf36aca139b32b4e32c3684e52aec64db3
[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" "214c4d803d63c40a55a5a45c2c2e91bf36aca139b32b4e32c3684e52aec64db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "214c4d803d63c40a55a5a45c2c2e91bf36aca139b32b4e32c3684e52aec64db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214c4d803d63c40a55a5a45c2c2e91bf36aca139b32b4e32c3684e52aec64db3", kill_on_drop: false }`
[INFO] [stdout] 214c4d803d63c40a55a5a45c2c2e91bf36aca139b32b4e32c3684e52aec64db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa426584ac1fdf8ecfac0619a7007b8eee99db317225ae2537eaedba8ab9057
[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" "5fa426584ac1fdf8ecfac0619a7007b8eee99db317225ae2537eaedba8ab9057", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]     Checking retain_mut v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking sp-serializer v2.0.1
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.6
[INFO] [stderr]     Checking slog v2.7.0
[INFO] [stderr]    Compiling libp2p-core v0.22.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.19
[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 curve25519-dalek v3.0.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking slog-json v2.3.0
[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" "5fa426584ac1fdf8ecfac0619a7007b8eee99db317225ae2537eaedba8ab9057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa426584ac1fdf8ecfac0619a7007b8eee99db317225ae2537eaedba8ab9057", kill_on_drop: false }`
[INFO] [stdout] 5fa426584ac1fdf8ecfac0619a7007b8eee99db317225ae2537eaedba8ab9057