[INFO] fetching crate littlefs2 0.1.0-alpha.0...
[INFO] documenting littlefs2-0.1.0-alpha.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate littlefs2 0.1.0-alpha.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate littlefs2 0.1.0-alpha.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littlefs2 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate littlefs2 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate littlefs2 0.1.0-alpha.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded littlefs2-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3223cf4e6885d40e1f9c7e4f1fea8ef5c187e5dc67c32d9d93d487e6c086876
[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" "e3223cf4e6885d40e1f9c7e4f1fea8ef5c187e5dc67c32d9d93d487e6c086876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3223cf4e6885d40e1f9c7e4f1fea8ef5c187e5dc67c32d9d93d487e6c086876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3223cf4e6885d40e1f9c7e4f1fea8ef5c187e5dc67c32d9d93d487e6c086876", kill_on_drop: false }`
[INFO] [stdout] e3223cf4e6885d40e1f9c7e4f1fea8ef5c187e5dc67c32d9d93d487e6c086876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69693241cab6a17b816ea0c7435365614fe9dd3dce40f51f1b76bc6a37a43da2
[INFO] running `Command { std: "docker" "start" "-a" "69693241cab6a17b816ea0c7435365614fe9dd3dce40f51f1b76bc6a37a43da2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling littlefs2-sys v0.1.5
[INFO] [stderr]  Documenting littlefs2 v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated type `CACHE_SIZE` should have an upper camel case name
[INFO] [stdout]   --> src/driver.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |     type CACHE_SIZE;
[INFO] [stdout]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacheSize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `LOOKAHEADWORDS_SIZE` should have an upper camel case name
[INFO] [stdout]   --> src/driver.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |     type LOOKAHEADWORDS_SIZE;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `LookaheadwordsSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `FILENAME_MAX_PLUS_ONE` should have an upper camel case name
[INFO] [stdout]   --> src/driver.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |     type FILENAME_MAX_PLUS_ONE;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FilenameMaxPlusOne`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `PATH_MAX_PLUS_ONE` should have an upper camel case name
[INFO] [stdout]   --> src/driver.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type PATH_MAX_PLUS_ONE;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PathMaxPlusOne`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `ATTRBYTES_MAX` should have an upper camel case name
[INFO] [stdout]   --> src/driver.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 |     type ATTRBYTES_MAX;
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AttrbytesMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `FILENAME_MAX_PLUS_ONE` should have an upper camel case name
[INFO] [stdout]    --> src/driver.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |         type FILENAME_MAX_PLUS_ONE;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FilenameMaxPlusOne`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `ATTRBYTES_MAX` should have an upper camel case name
[INFO] [stdout]    --> src/driver.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |         type ATTRBYTES_MAX;
[INFO] [stdout]     |              ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AttrbytesMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `CACHE_SIZE` should have an upper camel case name
[INFO] [stdout]    --> src/driver.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |         type CACHE_SIZE;
[INFO] [stdout]     |              ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacheSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `LOOKAHEADWORDS_SIZE` should have an upper camel case name
[INFO] [stdout]    --> src/driver.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |         type LOOKAHEADWORDS_SIZE;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `LookaheadwordsSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `PATH_MAX_PLUS_ONE` should have an upper camel case name
[INFO] [stdout]    --> src/driver.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |         type PATH_MAX_PLUS_ONE;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PathMaxPlusOne`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.79s
[INFO] running `Command { std: "docker" "inspect" "69693241cab6a17b816ea0c7435365614fe9dd3dce40f51f1b76bc6a37a43da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69693241cab6a17b816ea0c7435365614fe9dd3dce40f51f1b76bc6a37a43da2", kill_on_drop: false }`
[INFO] [stdout] 69693241cab6a17b816ea0c7435365614fe9dd3dce40f51f1b76bc6a37a43da2