[INFO] crate cult 0.0.3 is already in cache
[INFO] testing cult-0.0.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate cult 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cult 0.0.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cult 0.0.3
[INFO] finished tweaking crates.io crate cult 0.0.3
[INFO] tweaked toml for crates.io crate cult 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ba588e1cfedd039dce0978584f1f02a0e41e2f1232acf980d30fa4a09e8902e
[INFO] running `"docker" "start" "-a" "9ba588e1cfedd039dce0978584f1f02a0e41e2f1232acf980d30fa4a09e8902e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cult v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub type DataCallback = Box<FnMut(&mut [f32]) -> i32>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut [f32]) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |   rate: libc::uint32_t,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |   channels: libc::uint32_t,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:55:53
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   max_channels: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:58:45
[INFO] [stderr]    |
[INFO] [stderr] 58 | ...                   latency_ms: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:60:49
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   rate: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 | ...                   position: *mut libc::uint64_t) -> libc::c_int;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:77:45
[INFO] [stderr]    |
[INFO] [stderr] 77 | ...                   latency: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:154:18
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut pos: libc::uint64_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:166:18
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let mut lat: libc::uint32_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 | extern fn refill_glue(stm: CubebStreamPtr,
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 | extern fn state(stm: CubebStreamPtr,
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/lib.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 user: *mut c_void,
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `noopcallback`
[INFO] [stderr]   --> src/lib.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn noopcallback(buffer: &mut [f32]) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `AudioStream`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 |                        user_ptr: *const AudioStream) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/lib.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | / pub struct AudioStream {
[INFO] [stderr] 88 | |   rate: u32,
[INFO] [stderr] 89 | |   format: CubebSampleFormat,
[INFO] [stderr] 90 | |   channels: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |   callback: DataCallback
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9ba588e1cfedd039dce0978584f1f02a0e41e2f1232acf980d30fa4a09e8902e"`
[INFO] running `"docker" "rm" "-f" "9ba588e1cfedd039dce0978584f1f02a0e41e2f1232acf980d30fa4a09e8902e"`
[INFO] [stdout] 9ba588e1cfedd039dce0978584f1f02a0e41e2f1232acf980d30fa4a09e8902e
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bc6ae9e4de00ff4e7bb89858ce79b3c3d92089f75f585dcead900658816b51f
[INFO] running `"docker" "start" "-a" "6bc6ae9e4de00ff4e7bb89858ce79b3c3d92089f75f585dcead900658816b51f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cult v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub type DataCallback = Box<FnMut(&mut [f32]) -> i32>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut [f32]) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |   rate: libc::uint32_t,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |   channels: libc::uint32_t,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:55:53
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   max_channels: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:58:45
[INFO] [stderr]    |
[INFO] [stderr] 58 | ...                   latency_ms: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:60:49
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   rate: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 | ...                   position: *mut libc::uint64_t) -> libc::c_int;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:77:45
[INFO] [stderr]    |
[INFO] [stderr] 77 | ...                   latency: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:154:18
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut pos: libc::uint64_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:166:18
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let mut lat: libc::uint32_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 | extern fn refill_glue(stm: CubebStreamPtr,
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 | extern fn state(stm: CubebStreamPtr,
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/lib.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 user: *mut c_void,
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `noopcallback`
[INFO] [stderr]   --> src/lib.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn noopcallback(buffer: &mut [f32]) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `AudioStream`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 |                        user_ptr: *const AudioStream) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/lib.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | / pub struct AudioStream {
[INFO] [stderr] 88 | |   rate: u32,
[INFO] [stderr] 89 | |   format: CubebSampleFormat,
[INFO] [stderr] 90 | |   channels: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |   callback: DataCallback
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> tests/sine.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::sync::StaticMutex`, `std::sync::MUTEX_INIT`, `std::sync::StaticCondvar`, `std::sync::CONDVAR_INIT`
[INFO] [stderr]  --> tests/sine.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::{StaticMutex, MUTEX_INIT, StaticCondvar, CONDVAR_INIT};
[INFO] [stderr]   |                 ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^ no `CONDVAR_INIT` in `sync`
[INFO] [stderr]   |                 |            |           |
[INFO] [stderr]   |                 |            |           no `StaticCondvar` in `sync`
[INFO] [stderr]   |                 |            no `MUTEX_INIT` in `sync`
[INFO] [stderr]   |                 no `StaticMutex` in `sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> tests/sine.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |       for j in range(0, 1) {
[INFO] [stderr]    |                ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/sine.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/sine.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(std_misc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub type DataCallback = Box<FnMut(&mut [f32]) -> i32>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut [f32]) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cult`.
[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] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |   rate: libc::uint32_t,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |   channels: libc::uint32_t,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:55:53
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   max_channels: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:58:45
[INFO] [stderr]    |
[INFO] [stderr] 58 | ...                   latency_ms: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:60:49
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   rate: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 | ...                   position: *mut libc::uint64_t) -> libc::c_int;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:77:45
[INFO] [stderr]    |
[INFO] [stderr] 77 | ...                   latency: *mut libc::uint32_t) -> libc::c_int;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:154:18
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut pos: libc::uint64_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:166:18
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let mut lat: libc::uint32_t = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 | extern fn refill_glue(stm: CubebStreamPtr,
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stm`
[INFO] [stderr]    --> src/lib.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 | extern fn state(stm: CubebStreamPtr,
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_stm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/lib.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 user: *mut c_void,
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let mut rv;
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `noopcallback`
[INFO] [stderr]   --> src/lib.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn noopcallback(buffer: &mut [f32]) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `AudioStream`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 |                        user_ptr: *const AudioStream) -> libc::c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/lib.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | / pub struct AudioStream {
[INFO] [stderr] 88 | |   rate: u32,
[INFO] [stderr] 89 | |   format: CubebSampleFormat,
[INFO] [stderr] 90 | |   channels: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |   callback: DataCallback
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.cult.d949cnjl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.cult.d949cnjl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.cult.d949cnjl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.cult.d949cnjl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.cult.d949cnjl-cgu.4.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425" "/opt/rustwide/target/debug/deps/cult-1a5d6030d0187425.261ap27d4m68a36m.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcubeb" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0a07979da1fa7aa2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-171ede43b21d034c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ea69ac8b5a0936d1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6be6d4d5d08eb152.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c718480fe68c7cec.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lcubeb
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6bc6ae9e4de00ff4e7bb89858ce79b3c3d92089f75f585dcead900658816b51f"`
[INFO] running `"docker" "rm" "-f" "6bc6ae9e4de00ff4e7bb89858ce79b3c3d92089f75f585dcead900658816b51f"`
[INFO] [stdout] 6bc6ae9e4de00ff4e7bb89858ce79b3c3d92089f75f585dcead900658816b51f