[INFO] crate cublas 0.2.0 is already in cache
[INFO] testing cublas-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cublas 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cublas 0.2.0 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 cublas 0.2.0
[INFO] removed path dependency cublas-sys from crates.io crate cublas 0.2.0
[INFO] finished tweaking crates.io crate cublas 0.2.0
[INFO] tweaked toml for crates.io crate cublas 0.2.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e5bed0ba1bf0e098be740877a6f17fc2715c9068a7b1a5aa091722455819d9dc
[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" "e5bed0ba1bf0e098be740877a6f17fc2715c9068a7b1a5aa091722455819d9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5bed0ba1bf0e098be740877a6f17fc2715c9068a7b1a5aa091722455819d9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5bed0ba1bf0e098be740877a6f17fc2715c9068a7b1a5aa091722455819d9dc", kill_on_drop: false }`
[INFO] [stdout] e5bed0ba1bf0e098be740877a6f17fc2715c9068a7b1a5aa091722455819d9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccd37d284a9cd6123b64e67470a96fd8bc60a61b00551d152e47705acddd10fa
[INFO] running `Command { std: "docker" "start" "-a" "ccd37d284a9cd6123b64e67470a96fd8bc60a61b00551d152e47705acddd10fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cublas-sys v0.1.0
[INFO] [stderr]    Compiling cublas v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Ok(Context::from_c(try!( unsafe { API::ffi_create() })))
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(API::ffi_destroy(*context.id_c())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Ok(PointerMode::from_c(try!(unsafe { API::ffi_get_pointer_mode(*context.id_c()) })))
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(try!(unsafe { API::ffi_set_pointer_mode(*context.id_c(), pointer_mode.as_c()) }))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Error::NotInitialized => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::AllocFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:54
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Error::ArchMismatch => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::MappingError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ExecutionFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:54
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Error::LicenseError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "ccd37d284a9cd6123b64e67470a96fd8bc60a61b00551d152e47705acddd10fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd37d284a9cd6123b64e67470a96fd8bc60a61b00551d152e47705acddd10fa", kill_on_drop: false }`
[INFO] [stdout] ccd37d284a9cd6123b64e67470a96fd8bc60a61b00551d152e47705acddd10fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2f2e5f70e8fb38576d1e3eaa838b956f983d4d3ff6bd933e96084592e99dec3
[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" "c2f2e5f70e8fb38576d1e3eaa838b956f983d4d3ff6bd933e96084592e99dec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling linear-map v0.0.4
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Ok(Context::from_c(try!( unsafe { API::ffi_create() })))
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(API::ffi_destroy(*context.id_c())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Ok(PointerMode::from_c(try!(unsafe { API::ffi_get_pointer_mode(*context.id_c()) })))
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(try!(unsafe { API::ffi_set_pointer_mode(*context.id_c(), pointer_mode.as_c()) }))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Error::NotInitialized => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::AllocFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:54
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Error::ArchMismatch => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::MappingError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ExecutionFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:54
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Error::LicenseError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling collenchyma v0.0.7
[INFO] [stderr]    Compiling cublas v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Ok(Context::from_c(try!( unsafe { API::ffi_create() })))
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Ok(try!(API::ffi_destroy(*context.id_c())))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Ok(PointerMode::from_c(try!(unsafe { API::ffi_get_pointer_mode(*context.id_c()) })))
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api/util.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(try!(unsafe { API::ffi_set_pointer_mode(*context.id_c(), pointer_mode.as_c()) }))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Error::NotInitialized => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::AllocFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:54
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Error::ArchMismatch => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::MappingError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ExecutionFailed => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:54
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Error::LicenseError => write!(f, "{:?}", error::Error::description(self)),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/api/level1.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |             let mut mem_buffer = mem.as_mut_slice::<T>();
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api/level3.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |             let mut mem_buffer = mem.as_mut_slice::<T>();
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.cublas.7v3o634o-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b" "/opt/rustwide/target/debug/deps/cublas-0001361b3e8c599b.42bw5xetgnq0l5ef.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-12320b97c89568cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-700356192fffd298.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-b7642fe67be89b55.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-5281c8ee01ffdf7b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-a4e3948fb2172e36.rlib" "/opt/rustwide/target/debug/deps/libcollenchyma-f795897c1223d1c4.rlib" "/opt/rustwide/target/debug/deps/liblinear_map-2fedb7209f9b2b86.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-8629e3967fd30b90.rlib" "/opt/rustwide/target/debug/deps/libnum-3f2ae0fa13922350.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-eb955c4020b0a094.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-52d315ed45bb2bde.rlib" "/opt/rustwide/target/debug/deps/librand-b082f4e86074ce5a.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-1d5da6fbe6a0acda.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-826df4b40c62d022.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6656b01f45368b3a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-94fd0f13cfea77ad.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-a620965283095e55.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-e629d73cd44935d9.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-7c88e41e0e7adede.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-63253226b9d79376.rlib" "/opt/rustwide/target/debug/deps/libbitflags-07d1c6c553a67708.rlib" "/opt/rustwide/target/debug/deps/libcublas_sys-7b8a1b7302af77a7.rlib" "/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lcuda" "-lcublas" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           /usr/bin/ld: cannot find -lcuda
[INFO] [stdout]           /usr/bin/ld: cannot find -lcublas
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cublas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c2f2e5f70e8fb38576d1e3eaa838b956f983d4d3ff6bd933e96084592e99dec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f2e5f70e8fb38576d1e3eaa838b956f983d4d3ff6bd933e96084592e99dec3", kill_on_drop: false }`
[INFO] [stdout] c2f2e5f70e8fb38576d1e3eaa838b956f983d4d3ff6bd933e96084592e99dec3