[INFO] fetching crate maidsafe_vault 0.1.1...
[INFO] testing maidsafe_vault-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate maidsafe_vault 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate maidsafe_vault 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maidsafe_vault 0.1.1
[INFO] finished tweaking crates.io crate maidsafe_vault 0.1.1
[INFO] tweaked toml for crates.io crate maidsafe_vault 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded time v0.3.2
[INFO] [stderr]   Downloaded ed25519 v1.2.0
[INFO] [stderr]   Downloaded cbor v0.4.1
[INFO] [stderr]   Downloaded asynchronous v0.4.5
[INFO] [stderr]   Downloaded maidsafe_types v0.2.3
[INFO] [stderr]   Downloaded lru_time_cache v0.2.7
[INFO] [stderr]   Downloaded accumulator v0.0.4
[INFO] [stderr]   Downloaded utp v0.7.0
[INFO] [stderr]   Downloaded message_filter v0.1.5
[INFO] [stderr]   Downloaded routing v0.2.8
[INFO] [stderr]   Downloaded crust v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89f08ad02bf9f878891f4c9106222e0e6d87aa8c8c9bcacae78c2e5620f181e
[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" "d89f08ad02bf9f878891f4c9106222e0e6d87aa8c8c9bcacae78c2e5620f181e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89f08ad02bf9f878891f4c9106222e0e6d87aa8c8c9bcacae78c2e5620f181e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89f08ad02bf9f878891f4c9106222e0e6d87aa8c8c9bcacae78c2e5620f181e", kill_on_drop: false }`
[INFO] [stdout] d89f08ad02bf9f878891f4c9106222e0e6d87aa8c8c9bcacae78c2e5620f181e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a24542b418024684579e8d1197021c213424178db6e839935e61100ec2e4957
[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" "8a24542b418024684579e8d1197021c213424178db6e839935e61100ec2e4957", kill_on_drop: false }`
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling time v0.3.2
[INFO] [stderr]    Compiling cbor v0.4.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling lru_time_cache v0.2.7
[INFO] [stderr]    Compiling asynchronous v0.4.5
[INFO] [stderr]    Compiling message_filter v0.1.5
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling utp v0.7.0
[INFO] [stderr]    Compiling accumulator v0.0.4
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stdout] error[E0599]: no method named `check` found for struct `LruCache` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accumulator-0.0.4/src/lib.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.storage.check(name)
[INFO] [stdout]    |                      ^^^^^ method not found in `LruCache<K, Entry<V>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `add` found for struct `LruCache` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accumulator-0.0.4/src/lib.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |             self.storage.add(name.clone(), entry_in.clone());
[INFO] [stdout]    |                          ^^^ method not found in `LruCache<K, Entry<V>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `add` found for struct `LruCache` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accumulator-0.0.4/src/lib.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |             self.storage.add(name.clone(), tmp.clone());
[INFO] [stdout]    |                          ^^^ method not found in `LruCache<K, Entry<V>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accumulator` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8a24542b418024684579e8d1197021c213424178db6e839935e61100ec2e4957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a24542b418024684579e8d1197021c213424178db6e839935e61100ec2e4957", kill_on_drop: false }`
[INFO] [stdout] 8a24542b418024684579e8d1197021c213424178db6e839935e61100ec2e4957