[INFO] fetching crate lv2_raw 0.2.0...
[INFO] testing lv2_raw-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate lv2_raw 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lv2_raw 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2_raw 0.2.0
[INFO] finished tweaking crates.io crate lv2_raw 0.2.0
[INFO] tweaked toml for crates.io crate lv2_raw 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 9d7c0c18a2493f7d14f66259689a5e67106651eba3952dc3ebee31bdfcf1f4b3
[INFO] running `Command { std: "docker" "start" "-a" "9d7c0c18a2493f7d14f66259689a5e67106651eba3952dc3ebee31bdfcf1f4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7c0c18a2493f7d14f66259689a5e67106651eba3952dc3ebee31bdfcf1f4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7c0c18a2493f7d14f66259689a5e67106651eba3952dc3ebee31bdfcf1f4b3", kill_on_drop: false }`
[INFO] [stdout] 9d7c0c18a2493f7d14f66259689a5e67106651eba3952dc3ebee31bdfcf1f4b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70b35f41ef1568b8bcea3b8e65f2a634e2a7418c8c18fbf10eee4c28f6522f7
[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" "f70b35f41ef1568b8bcea3b8e65f2a634e2a7418c8c18fbf10eee4c28f6522f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lv2_raw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   features: *const (*const LV2Feature))
[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 type
[INFO] [stdout]    --> src/core.rs:245:58
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ui.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coreutils.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut q = query;
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         q.offset(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 q.offset(1);
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f70b35f41ef1568b8bcea3b8e65f2a634e2a7418c8c18fbf10eee4c28f6522f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70b35f41ef1568b8bcea3b8e65f2a634e2a7418c8c18fbf10eee4c28f6522f7", kill_on_drop: false }`
[INFO] [stdout] f70b35f41ef1568b8bcea3b8e65f2a634e2a7418c8c18fbf10eee4c28f6522f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--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] 7ab5350ed31c4691cb8a62c0add77491488f25e1927a281555dd0ff24538f6d1
[INFO] running `Command { std: "docker" "start" "-a" "7ab5350ed31c4691cb8a62c0add77491488f25e1927a281555dd0ff24538f6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lv2_raw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   features: *const (*const LV2Feature))
[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 type
[INFO] [stdout]    --> src/core.rs:245:58
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ui.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coreutils.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut q = query;
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         q.offset(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 q.offset(1);
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   features: *const (*const LV2Feature))
[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 type
[INFO] [stdout]    --> src/core.rs:245:58
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ui.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coreutils.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut q = query;
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         q.offset(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 q.offset(1);
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7ab5350ed31c4691cb8a62c0add77491488f25e1927a281555dd0ff24538f6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab5350ed31c4691cb8a62c0add77491488f25e1927a281555dd0ff24538f6d1", kill_on_drop: false }`
[INFO] [stdout] 7ab5350ed31c4691cb8a62c0add77491488f25e1927a281555dd0ff24538f6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47db546d1a5010f61a90cf617727aa5a2cd126e3ecc0eaa8a935d971238d9687
[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" "47db546d1a5010f61a90cf617727aa5a2cd126e3ecc0eaa8a935d971238d9687", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/core.rs:113:57
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/core.rs:245:58
[INFO] [stderr]     |
[INFO] [stderr] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ui.rs:121:61
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/coreutils.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |             let mut q = query;
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stderr]    --> src/atomutils.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         q.offset(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: returns a new pointer rather than modifying its argument
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stderr]    --> src/atomutils.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 q.offset(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: returns a new pointer rather than modifying its argument
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/core.rs:113:57
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/core.rs:245:58
[INFO] [stderr]     |
[INFO] [stderr] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ui.rs:121:61
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/coreutils.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |             let mut q = query;
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stderr]    --> src/atomutils.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         q.offset(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: returns a new pointer rather than modifying its argument
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stderr]    --> src/atomutils.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 q.offset(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: returns a new pointer rather than modifying its argument
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lv2_raw-fc986fe489576646)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/testatomutils.rs (/opt/rustwide/target/debug/deps/testatomutils-d238b37b0f855c33)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests lv2_raw
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/core.rs:113:57
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/core.rs:245:58
[INFO] [stderr]     |
[INFO] [stderr] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/ui.rs:121:61
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47db546d1a5010f61a90cf617727aa5a2cd126e3ecc0eaa8a935d971238d9687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47db546d1a5010f61a90cf617727aa5a2cd126e3ecc0eaa8a935d971238d9687", kill_on_drop: false }`
[INFO] [stdout] 47db546d1a5010f61a90cf617727aa5a2cd126e3ecc0eaa8a935d971238d9687
