[INFO] crate flubber 0.1.0 is already in cache
[INFO] testing flubber-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate flubber 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flubber 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c6e516b2738c6dd0902a823e7d6ce740192eb2d7736be6fc878ab56f0bb5d0b
[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" "0c6e516b2738c6dd0902a823e7d6ce740192eb2d7736be6fc878ab56f0bb5d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6e516b2738c6dd0902a823e7d6ce740192eb2d7736be6fc878ab56f0bb5d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6e516b2738c6dd0902a823e7d6ce740192eb2d7736be6fc878ab56f0bb5d0b", kill_on_drop: false }`
[INFO] [stdout] 0c6e516b2738c6dd0902a823e7d6ce740192eb2d7736be6fc878ab56f0bb5d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a25887c6330f921f5f75e477395ce8aa1f1557bffd3ae0558bb032ff2274d3
[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" "a6a25887c6330f921f5f75e477395ce8aa1f1557bffd3ae0558bb032ff2274d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-signal v0.2.9
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-process v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling libremexre v0.1.12
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling diesel v1.4.5
[INFO] [stderr]    Compiling migrations_internals v1.4.1
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]    Compiling diesel_migrations v1.4.0
[INFO] [stderr]    Compiling flubber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `serde_cbor::StreamDeserializer<'_, _, _>` in the current scope
[INFO] [stdout]   --> src/util/cbor_subprocess.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let de = StreamDeserializer::from_slice(&self.recv_bytes_queue);
[INFO] [stdout]    |                                          ^^^^^^^^^^ function or associated item not found in `serde_cbor::StreamDeserializer<'_, _, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flubber`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a6a25887c6330f921f5f75e477395ce8aa1f1557bffd3ae0558bb032ff2274d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a25887c6330f921f5f75e477395ce8aa1f1557bffd3ae0558bb032ff2274d3", kill_on_drop: false }`
[INFO] [stdout] a6a25887c6330f921f5f75e477395ce8aa1f1557bffd3ae0558bb032ff2274d3