[INFO] fetching crate maidsafe_vault 0.1.1...
[INFO] checking maidsafe_vault-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate maidsafe_vault 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate maidsafe_vault 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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 asynchronous v0.4.5
[INFO] [stderr]   Downloaded lru_time_cache v0.2.7
[INFO] [stderr]   Downloaded maidsafe_types v0.2.3
[INFO] [stderr]   Downloaded utp v0.7.0
[INFO] [stderr]   Downloaded cbor v0.4.1
[INFO] [stderr]   Downloaded message_filter v0.1.5
[INFO] [stderr]   Downloaded accumulator v0.0.4
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 256d01b239ca86295faf3da793cf0ac6a7405a844edcf0d7aa47541be1d1ba9a
[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" "256d01b239ca86295faf3da793cf0ac6a7405a844edcf0d7aa47541be1d1ba9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256d01b239ca86295faf3da793cf0ac6a7405a844edcf0d7aa47541be1d1ba9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256d01b239ca86295faf3da793cf0ac6a7405a844edcf0d7aa47541be1d1ba9a", kill_on_drop: false }`
[INFO] [stdout] 256d01b239ca86295faf3da793cf0ac6a7405a844edcf0d7aa47541be1d1ba9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe0e45a486c6ccf39db23fdeb0037ffb2a2c105c122aac199e2d90088e7c09e
[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" "5fe0e45a486c6ccf39db23fdeb0037ffb2a2c105c122aac199e2d90088e7c09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking asynchronous v0.4.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking lru_time_cache v0.2.7
[INFO] [stderr]     Checking message_filter v0.1.5
[INFO] [stderr]     Checking cbor v0.4.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking accumulator v0.0.4
[INFO] [stdout] error[E0599]: no method named `check` found for struct `LruCache<K, Entry<V>>` 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<K, Entry<V>>` 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<K, Entry<V>>` 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`
[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" "5fe0e45a486c6ccf39db23fdeb0037ffb2a2c105c122aac199e2d90088e7c09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe0e45a486c6ccf39db23fdeb0037ffb2a2c105c122aac199e2d90088e7c09e", kill_on_drop: false }`
[INFO] [stdout] 5fe0e45a486c6ccf39db23fdeb0037ffb2a2c105c122aac199e2d90088e7c09e