[INFO] fetching crate collenchyma 0.0.8...
[INFO] documenting collenchyma-0.0.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate collenchyma 0.0.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate collenchyma 0.0.8 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 collenchyma 0.0.8
[INFO] finished tweaking crates.io crate collenchyma 0.0.8
[INFO] tweaked toml for crates.io crate collenchyma 0.0.8 written to /workspace/builds/worker-13/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a2b87d0058f007a5958a5f2892b8f6424a4d31118e2cf565a9d80ebed169037c
[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" "a2b87d0058f007a5958a5f2892b8f6424a4d31118e2cf565a9d80ebed169037c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b87d0058f007a5958a5f2892b8f6424a4d31118e2cf565a9d80ebed169037c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b87d0058f007a5958a5f2892b8f6424a4d31118e2cf565a9d80ebed169037c", kill_on_drop: false }`
[INFO] [stdout] a2b87d0058f007a5958a5f2892b8f6424a4d31118e2cf565a9d80ebed169037c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b56498481223d5a00349ac0a8472284ddef164738de86c5e102efb7fd56d11b1
[INFO] running `Command { std: "docker" "start" "-a" "b56498481223d5a00349ac0a8472284ddef164738de86c5e102efb7fd56d11b1", kill_on_drop: false }`
[INFO] [stderr]     Checking linear-map v0.0.4
[INFO] [stderr]  Documenting collenchyma v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/frameworks/opencl/api/device.rs:39:108
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(unsafe { API::ffi_get_device_ids(platform.id_c(), cl::CL_DEVICE_TYPE_ALL, 0, ptr::null_mut(), (&mut num_devices)) });
[INFO] [stdout]    |                                                                                                            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/frameworks/opencl/api/platform.rs:30:68
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(unsafe {API::ffi_get_platform_ids(0, ptr::null_mut(), (&mut num_platforms))});
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/frameworks/opencl/api/platform.rs:34:81
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(unsafe {API::ffi_get_platform_ids(num_platforms, ids.as_mut_ptr(), (&mut num_platforms))});
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tensor.rs:359:71
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub fn remove_copy(&mut self, destination: &DeviceType) -> Result<(MemoryType), Error> {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "b56498481223d5a00349ac0a8472284ddef164738de86c5e102efb7fd56d11b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56498481223d5a00349ac0a8472284ddef164738de86c5e102efb7fd56d11b1", kill_on_drop: false }`
[INFO] [stdout] b56498481223d5a00349ac0a8472284ddef164738de86c5e102efb7fd56d11b1