[INFO] crate flubber 0.1.0 is already in cache
[INFO] checking flubber-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate flubber 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flubber 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flubber 0.1.0
[INFO] finished tweaking crates.io crate flubber 0.1.0
[INFO] tweaked toml for crates.io crate flubber 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f4a5002cf66498d3a2455505c4e58e75f715417f4c2e67ee9fedd3a4145b571
[INFO] running `"docker" "start" "-a" "7f4a5002cf66498d3a2455505c4e58e75f715417f4c2e67ee9fedd3a4145b571"`
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking libremexre v0.1.12
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]    Compiling diesel v1.4.3
[INFO] [stderr]     Checking migrations_internals v1.4.0
[INFO] [stderr]    Compiling migrations_macros v1.4.1
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]     Checking flubber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `from_slice` found for type `serde_cbor::de::StreamDeserializer<'_, _, _>` in the current scope
[INFO] [stderr]   --> src/util/cbor_subprocess.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let de = StreamDeserializer::from_slice(&self.recv_bytes_queue);
[INFO] [stderr]    |                                          ^^^^^^^^^^ function or associated item not found in `serde_cbor::de::StreamDeserializer<'_, _, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_slice` found for type `serde_cbor::de::StreamDeserializer<'_, _, _>` in the current scope
[INFO] [stderr]   --> src/util/cbor_subprocess.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let de = StreamDeserializer::from_slice(&self.recv_bytes_queue);
[INFO] [stderr]    |                                          ^^^^^^^^^^ function or associated item not found in `serde_cbor::de::StreamDeserializer<'_, _, _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `flubber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flubber`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7f4a5002cf66498d3a2455505c4e58e75f715417f4c2e67ee9fedd3a4145b571"`
[INFO] running `"docker" "rm" "-f" "7f4a5002cf66498d3a2455505c4e58e75f715417f4c2e67ee9fedd3a4145b571"`
[INFO] [stdout] 7f4a5002cf66498d3a2455505c4e58e75f715417f4c2e67ee9fedd3a4145b571