Dec 12 07:17:10.933 INFO checking sodium-rust-1.0.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:17:10.933 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:17:11.338 INFO [stdout] f6290c375367e955fd72f47b7cf1633cb05adba34b35edaffbdf296f40b5b43b
Dec 12 07:17:11.342 INFO running `"docker" "start" "-a" "f6290c375367e955fd72f47b7cf1633cb05adba34b35edaffbdf296f40b5b43b"`
Dec 12 07:17:12.490 INFO [stderr] usermod: no changes
Dec 12 07:17:12.552 INFO [stderr]     Checking sodium-rust v1.0.1 (/source)
Dec 12 07:17:13.368 INFO [stderr] warning: unused import: `sodium::impl_::MemoLazy`
Dec 12 07:17:13.368 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:2:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 2 | use sodium::impl_::MemoLazy;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::Node`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:3:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 3 | use sodium::impl_::Node;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::gc::Gc`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:7:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 7 | use sodium::impl_::gc::Gc;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused macro definition
Dec 12 07:17:13.369 INFO [stderr]   --> src/sodium/impl_/lambda.rs:26:1
Dec 12 07:17:13.369 INFO [stderr]    |
Dec 12 07:17:13.369 INFO [stderr] 26 | / macro_rules! lambda {
Dec 12 07:17:13.369 INFO [stderr] 27 | |     ($f:expr) => {{
Dec 12 07:17:13.369 INFO [stderr] 28 | |         Lambda::new($f, Vec::new())
Dec 12 07:17:13.369 INFO [stderr] 29 | |     }};
Dec 12 07:17:13.369 INFO [stderr] ...  |
Dec 12 07:17:13.369 INFO [stderr] 32 | |     }}
Dec 12 07:17:13.369 INFO [stderr] 33 | | }
Dec 12 07:17:13.369 INFO [stderr]    | |_^
Dec 12 07:17:13.369 INFO [stderr]    |
Dec 12 07:17:13.369 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::Latch`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:2:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 2 | use sodium::impl_::Latch;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::MemoLazy`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:3:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 3 | use sodium::impl_::MemoLazy;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::Node`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:4:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 4 | use sodium::impl_::Node;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.369 INFO [stderr] warning: unused import: `sodium::impl_::gc::Gc`
Dec 12 07:17:13.369 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:8:5
Dec 12 07:17:13.369 INFO [stderr]   |
Dec 12 07:17:13.369 INFO [stderr] 8 | use sodium::impl_::gc::Gc;
Dec 12 07:17:13.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.369 INFO [stderr] 
Dec 12 07:17:13.776 INFO [stderr] warning: unused import: `sodium::impl_::MemoLazy`
Dec 12 07:17:13.776 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:2:5
Dec 12 07:17:13.776 INFO [stderr]   |
Dec 12 07:17:13.776 INFO [stderr] 2 | use sodium::impl_::MemoLazy;
Dec 12 07:17:13.776 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.776 INFO [stderr]   |
Dec 12 07:17:13.776 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:17:13.776 INFO [stderr] 
Dec 12 07:17:13.776 INFO [stderr] warning: unused import: `sodium::impl_::Node`
Dec 12 07:17:13.776 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:3:5
Dec 12 07:17:13.776 INFO [stderr]   |
Dec 12 07:17:13.776 INFO [stderr] 3 | use sodium::impl_::Node;
Dec 12 07:17:13.776 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.776 INFO [stderr] 
Dec 12 07:17:13.776 INFO [stderr] warning: unused import: `sodium::impl_::gc::Gc`
Dec 12 07:17:13.776 INFO [stderr]  --> src/sodium/impl_/cell_loop.rs:7:5
Dec 12 07:17:13.776 INFO [stderr]   |
Dec 12 07:17:13.776 INFO [stderr] 7 | use sodium::impl_::gc::Gc;
Dec 12 07:17:13.776 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.776 INFO [stderr] 
Dec 12 07:17:13.780 INFO [stderr] warning: unused macro definition
Dec 12 07:17:13.780 INFO [stderr]   --> src/sodium/impl_/lambda.rs:26:1
Dec 12 07:17:13.780 INFO [stderr]    |
Dec 12 07:17:13.780 INFO [stderr] 26 | / macro_rules! lambda {
Dec 12 07:17:13.780 INFO [stderr] 27 | |     ($f:expr) => {{
Dec 12 07:17:13.780 INFO [stderr] 28 | |         Lambda::new($f, Vec::new())
Dec 12 07:17:13.780 INFO [stderr] 29 | |     }};
Dec 12 07:17:13.780 INFO [stderr] ...  |
Dec 12 07:17:13.780 INFO [stderr] 32 | |     }}
Dec 12 07:17:13.780 INFO [stderr] 33 | | }
Dec 12 07:17:13.780 INFO [stderr]    | |_^
Dec 12 07:17:13.780 INFO [stderr]    |
Dec 12 07:17:13.780 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 07:17:13.780 INFO [stderr] 
Dec 12 07:17:13.780 INFO [stderr] warning: unused import: `sodium::impl_::Latch`
Dec 12 07:17:13.780 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:2:5
Dec 12 07:17:13.780 INFO [stderr]   |
Dec 12 07:17:13.780 INFO [stderr] 2 | use sodium::impl_::Latch;
Dec 12 07:17:13.780 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.780 INFO [stderr] 
Dec 12 07:17:13.781 INFO [stderr] warning: unused import: `sodium::impl_::MemoLazy`
Dec 12 07:17:13.781 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:3:5
Dec 12 07:17:13.781 INFO [stderr]   |
Dec 12 07:17:13.781 INFO [stderr] 3 | use sodium::impl_::MemoLazy;
Dec 12 07:17:13.781 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.781 INFO [stderr] 
Dec 12 07:17:13.781 INFO [stderr] warning: unused import: `sodium::impl_::Node`
Dec 12 07:17:13.781 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:4:5
Dec 12 07:17:13.781 INFO [stderr]   |
Dec 12 07:17:13.781 INFO [stderr] 4 | use sodium::impl_::Node;
Dec 12 07:17:13.781 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.781 INFO [stderr] 
Dec 12 07:17:13.782 INFO [stderr] warning: unused import: `sodium::impl_::gc::Gc`
Dec 12 07:17:13.782 INFO [stderr]  --> src/sodium/impl_/stream_loop.rs:8:5
Dec 12 07:17:13.782 INFO [stderr]   |
Dec 12 07:17:13.782 INFO [stderr] 8 | use sodium::impl_::gc::Gc;
Dec 12 07:17:13.782 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.782 INFO [stderr] 
Dec 12 07:17:13.783 INFO [stderr] warning: unused import: `sodium::CellSink`
Dec 12 07:17:13.783 INFO [stderr]  --> src/tests/cell_test.rs:2:5
Dec 12 07:17:13.783 INFO [stderr]   |
Dec 12 07:17:13.783 INFO [stderr] 2 | use sodium::CellSink;
Dec 12 07:17:13.783 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 07:17:13.783 INFO [stderr] 
Dec 12 07:17:13.783 INFO [stderr] warning: unused import: `sodium::CellLoop`
Dec 12 07:17:13.783 INFO [stderr]  --> src/tests/cell_loop_test.rs:1:5
Dec 12 07:17:13.783 INFO [stderr]   |
Dec 12 07:17:13.783 INFO [stderr] 1 | use sodium::CellLoop;
Dec 12 07:17:13.783 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 07:17:13.784 INFO [stderr] 
Dec 12 07:17:13.784 INFO [stderr] warning: unused import: `sodium::CellSink`
Dec 12 07:17:13.784 INFO [stderr]  --> src/tests/cell_loop_test.rs:2:5
Dec 12 07:17:13.784 INFO [stderr]   |
Dec 12 07:17:13.784 INFO [stderr] 2 | use sodium::CellSink;
Dec 12 07:17:13.784 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 07:17:13.784 INFO [stderr] 
Dec 12 07:17:13.785 INFO [stderr] warning: unused import: `sodium::StreamSink`
Dec 12 07:17:13.785 INFO [stderr]  --> src/tests/cell_loop_test.rs:7:5
Dec 12 07:17:13.785 INFO [stderr]   |
Dec 12 07:17:13.785 INFO [stderr] 7 | use sodium::StreamSink;
Dec 12 07:17:13.785 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.785 INFO [stderr] 
Dec 12 07:17:13.792 INFO [stderr] warning: unused import: `sodium::CellLoop`
Dec 12 07:17:13.792 INFO [stderr]  --> src/tests/stream_test.rs:2:5
Dec 12 07:17:13.792 INFO [stderr]   |
Dec 12 07:17:13.792 INFO [stderr] 2 | use sodium::CellLoop;
Dec 12 07:17:13.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 07:17:13.792 INFO [stderr] 
Dec 12 07:17:13.792 INFO [stderr] warning: unused import: `sodium::CellSink`
Dec 12 07:17:13.792 INFO [stderr]  --> src/tests/stream_test.rs:3:5
Dec 12 07:17:13.792 INFO [stderr]   |
Dec 12 07:17:13.792 INFO [stderr] 3 | use sodium::CellSink;
Dec 12 07:17:13.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 07:17:13.792 INFO [stderr] 
Dec 12 07:17:13.792 INFO [stderr] warning: unused import: `sodium::StreamLoop`
Dec 12 07:17:13.792 INFO [stderr]   --> src/tests/stream_test.rs:11:5
Dec 12 07:17:13.792 INFO [stderr]    |
Dec 12 07:17:13.792 INFO [stderr] 11 | use sodium::StreamLoop;
Dec 12 07:17:13.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 12 07:17:13.792 INFO [stderr] 
Dec 12 07:17:14.260 INFO [stderr] warning: unused variable: `b`
Dec 12 07:17:14.260 INFO [stderr]    --> src/sodium/impl_/stream.rs:323:42
Dec 12 07:17:14.260 INFO [stderr]     |
Dec 12 07:17:14.260 INFO [stderr] 323 |             let eb = ebs.map(|(ref a,ref b):&(B,S)| a.clone());
Dec 12 07:17:14.260 INFO [stderr]     |                                          ^ help: consider using `_b` instead
Dec 12 07:17:14.260 INFO [stderr]     |
Dec 12 07:17:14.260 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 07:17:14.260 INFO [stderr] 
Dec 12 07:17:14.260 INFO [stderr] warning: unused variable: `a`
Dec 12 07:17:14.260 INFO [stderr]    --> src/sodium/impl_/stream.rs:324:40
Dec 12 07:17:14.260 INFO [stderr]     |
Dec 12 07:17:14.260 INFO [stderr] 324 |             let es_out = ebs.map(|(ref a,ref b):&(B,S)| b.clone());
Dec 12 07:17:14.260 INFO [stderr]     |                                        ^ help: consider using `_a` instead
Dec 12 07:17:14.260 INFO [stderr] 
Dec 12 07:17:14.701 INFO [stderr] warning: field is never used: `thunk`
Dec 12 07:17:14.701 INFO [stderr]   --> src/sodium/impl_/latch.rs:12:5
Dec 12 07:17:14.701 INFO [stderr]    |
Dec 12 07:17:14.701 INFO [stderr] 12 |     thunk: Box<Fn()->A>,
Dec 12 07:17:14.701 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.702 INFO [stderr]    |
Dec 12 07:17:14.702 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 07:17:14.702 INFO [stderr] 
Dec 12 07:17:14.702 INFO [stderr] warning: method is never used: `const_`
Dec 12 07:17:14.702 INFO [stderr]   --> src/sodium/impl_/latch.rs:31:5
Dec 12 07:17:14.703 INFO [stderr]    |
Dec 12 07:17:14.703 INFO [stderr] 31 |     pub fn const_(value:  A) -> Latch<A> {
Dec 12 07:17:14.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.703 INFO [stderr] 
Dec 12 07:17:14.703 INFO [stderr] warning: method is never used: `new`
Dec 12 07:17:14.703 INFO [stderr]   --> src/sodium/impl_/latch.rs:37:5
Dec 12 07:17:14.704 INFO [stderr]    |
Dec 12 07:17:14.704 INFO [stderr] 37 |     pub fn new<F: Fn()->A + 'static>(thunk: F) -> Latch<A> {
Dec 12 07:17:14.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.704 INFO [stderr] 
Dec 12 07:17:14.704 INFO [stderr] warning: method is never used: `get`
Dec 12 07:17:14.704 INFO [stderr]   --> src/sodium/impl_/latch.rs:49:5
Dec 12 07:17:14.705 INFO [stderr]    |
Dec 12 07:17:14.705 INFO [stderr] 49 |     pub fn get(&self) -> &A {
Dec 12 07:17:14.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.705 INFO [stderr] 
Dec 12 07:17:14.705 INFO [stderr] warning: method is never used: `get_mut`
Dec 12 07:17:14.705 INFO [stderr]   --> src/sodium/impl_/latch.rs:54:5
Dec 12 07:17:14.706 INFO [stderr]    |
Dec 12 07:17:14.706 INFO [stderr] 54 |     pub fn get_mut(&mut self) -> &mut A {
Dec 12 07:17:14.706 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.706 INFO [stderr] 
Dec 12 07:17:14.706 INFO [stderr] warning: method is never used: `reset`
Dec 12 07:17:14.706 INFO [stderr]   --> src/sodium/impl_/latch.rs:59:5
Dec 12 07:17:14.706 INFO [stderr]    |
Dec 12 07:17:14.706 INFO [stderr] 59 |     pub fn reset(&mut self) {
Dec 12 07:17:14.706 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:14.706 INFO [stderr] 
Dec 12 07:17:15.021 INFO [stderr] warning: unused variable: `sodium_ctx`
Dec 12 07:17:15.021 INFO [stderr]    --> src/tests/stream_test.rs:286:14
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.021 INFO [stderr] 286 |             |sodium_ctx| {
Dec 12 07:17:15.021 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_sodium_ctx` instead
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.021 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 07:17:15.021 INFO [stderr] 
Dec 12 07:17:15.021 INFO [stderr] warning: unused variable: `sodium_ctx2`
Dec 12 07:17:15.021 INFO [stderr]    --> src/tests/stream_test.rs:544:13
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.021 INFO [stderr] 544 |         let sodium_ctx2 = sodium_ctx.clone();
Dec 12 07:17:15.021 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_sodium_ctx2` instead
Dec 12 07:17:15.021 INFO [stderr] 
Dec 12 07:17:15.021 INFO [stderr] warning: unused variable: `sodium_ctx2`
Dec 12 07:17:15.021 INFO [stderr]    --> src/tests/stream_test.rs:614:13
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.021 INFO [stderr] 614 |         let sodium_ctx2 = &mut sodium_ctx2;
Dec 12 07:17:15.021 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_sodium_ctx2` instead
Dec 12 07:17:15.021 INFO [stderr] 
Dec 12 07:17:15.021 INFO [stderr] warning: unused variable: `sodium_ctx`
Dec 12 07:17:15.021 INFO [stderr]    --> src/tests/stream_test.rs:708:14
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.021 INFO [stderr] 708 |             |sodium_ctx| {
Dec 12 07:17:15.021 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_sodium_ctx` instead
Dec 12 07:17:15.021 INFO [stderr] 
Dec 12 07:17:15.021 INFO [stderr] warning: unused variable: `sodium_ctx2`
Dec 12 07:17:15.021 INFO [stderr]    --> src/tests/stream_test.rs:685:13
Dec 12 07:17:15.021 INFO [stderr]     |
Dec 12 07:17:15.022 INFO [stderr] 685 |         let sodium_ctx2 = &sodium_ctx2;
Dec 12 07:17:15.022 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_sodium_ctx2` instead
Dec 12 07:17:15.022 INFO [stderr] 
Dec 12 07:17:15.024 INFO [stderr] warning: unused variable: `b`
Dec 12 07:17:15.024 INFO [stderr]    --> src/sodium/impl_/stream.rs:323:42
Dec 12 07:17:15.024 INFO [stderr]     |
Dec 12 07:17:15.024 INFO [stderr] 323 |             let eb = ebs.map(|(ref a,ref b):&(B,S)| a.clone());
Dec 12 07:17:15.024 INFO [stderr]     |                                          ^ help: consider using `_b` instead
Dec 12 07:17:15.024 INFO [stderr] 
Dec 12 07:17:15.024 INFO [stderr] warning: unused variable: `a`
Dec 12 07:17:15.024 INFO [stderr]    --> src/sodium/impl_/stream.rs:324:40
Dec 12 07:17:15.024 INFO [stderr]     |
Dec 12 07:17:15.024 INFO [stderr] 324 |             let es_out = ebs.map(|(ref a,ref b):&(B,S)| b.clone());
Dec 12 07:17:15.024 INFO [stderr]     |                                        ^ help: consider using `_a` instead
Dec 12 07:17:15.024 INFO [stderr] 
Dec 12 07:17:15.032 INFO [stderr] warning: unused variable: `f`
Dec 12 07:17:15.032 INFO [stderr]    --> src/tests/gc_test.rs:203:25
Dec 12 07:17:15.032 INFO [stderr]     |
Dec 12 07:17:15.032 INFO [stderr] 203 |         fn trace(&self, f: &mut FnMut(&GcDep)) {}
Dec 12 07:17:15.032 INFO [stderr]     |                         ^ help: consider using `_f` instead
Dec 12 07:17:15.032 INFO [stderr] 
Dec 12 07:17:15.032 INFO [stderr] warning: unused variable: `f`
Dec 12 07:17:15.032 INFO [stderr]    --> src/tests/stream_test.rs:541:29
Dec 12 07:17:15.032 INFO [stderr]     |
Dec 12 07:17:15.032 INFO [stderr] 541 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
Dec 12 07:17:15.032 INFO [stderr]     |                             ^ help: consider using `_f` instead
Dec 12 07:17:15.032 INFO [stderr] 
Dec 12 07:17:15.033 INFO [stderr] warning: unused variable: `f`
Dec 12 07:17:15.033 INFO [stderr]    --> src/tests/stream_test.rs:608:29
Dec 12 07:17:15.033 INFO [stderr]     |
Dec 12 07:17:15.033 INFO [stderr] 608 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
Dec 12 07:17:15.033 INFO [stderr]     |                             ^ help: consider using `_f` instead
Dec 12 07:17:15.033 INFO [stderr] 
Dec 12 07:17:15.440 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.440 INFO [stderr]   --> src/tests/cell_loop_test.rs:24:25
Dec 12 07:17:15.440 INFO [stderr]    |
Dec 12 07:17:15.440 INFO [stderr] 24 |                     let mut b = sodium_ctx.new_cell_loop();
Dec 12 07:17:15.440 INFO [stderr]    |                         ----^
Dec 12 07:17:15.440 INFO [stderr]    |                         |
Dec 12 07:17:15.440 INFO [stderr]    |                         help: remove this `mut`
Dec 12 07:17:15.440 INFO [stderr]    |
Dec 12 07:17:15.440 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 07:17:15.440 INFO [stderr] 
Dec 12 07:17:15.440 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.440 INFO [stderr]   --> src/tests/cell_loop_test.rs:24:25
Dec 12 07:17:15.440 INFO [stderr]    |
Dec 12 07:17:15.440 INFO [stderr] 24 |                     let mut b = sodium_ctx.new_cell_loop();
Dec 12 07:17:15.440 INFO [stderr]    |                         ----^
Dec 12 07:17:15.440 INFO [stderr]    |                         |
Dec 12 07:17:15.440 INFO [stderr]    |                         help: remove this `mut`
Dec 12 07:17:15.440 INFO [stderr] 
Dec 12 07:17:15.445 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.445 INFO [stderr]   --> src/tests/cell_loop_test.rs:54:21
Dec 12 07:17:15.445 INFO [stderr]    |
Dec 12 07:17:15.445 INFO [stderr] 54 |                 let mut a = sodium_ctx.new_cell_loop();
Dec 12 07:17:15.445 INFO [stderr]    |                     ----^
Dec 12 07:17:15.445 INFO [stderr]    |                     |
Dec 12 07:17:15.445 INFO [stderr]    |                     help: remove this `mut`
Dec 12 07:17:15.445 INFO [stderr] 
Dec 12 07:17:15.449 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.449 INFO [stderr]   --> src/tests/cell_loop_test.rs:86:21
Dec 12 07:17:15.449 INFO [stderr]    |
Dec 12 07:17:15.449 INFO [stderr] 86 |                 let mut a = sodium_ctx.new_cell_loop();
Dec 12 07:17:15.449 INFO [stderr]    |                     ----^
Dec 12 07:17:15.449 INFO [stderr]    |                     |
Dec 12 07:17:15.449 INFO [stderr]    |                     help: remove this `mut`
Dec 12 07:17:15.449 INFO [stderr] 
Dec 12 07:17:15.507 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.510 INFO [stderr]    --> src/tests/stream_test.rs:287:21
Dec 12 07:17:15.510 INFO [stderr]     |
Dec 12 07:17:15.510 INFO [stderr] 287 |                 let mut sb = sodium_ctx2.new_stream_loop();
Dec 12 07:17:15.510 INFO [stderr]     |                     ----^^
Dec 12 07:17:15.510 INFO [stderr]     |                     |
Dec 12 07:17:15.510 INFO [stderr]     |                     help: remove this `mut`
Dec 12 07:17:15.510 INFO [stderr] 
Dec 12 07:17:15.553 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:17:15.553 INFO [stderr]    --> src/tests/stream_test.rs:729:21
Dec 12 07:17:15.553 INFO [stderr]     |
Dec 12 07:17:15.553 INFO [stderr] 729 |                 let mut sum = sodium_ctx.new_cell_loop();
Dec 12 07:17:15.553 INFO [stderr]     |                     ----^^^
Dec 12 07:17:15.553 INFO [stderr]     |                     |
Dec 12 07:17:15.553 INFO [stderr]     |                     help: remove this `mut`
Dec 12 07:17:15.556 INFO [stderr] 
Dec 12 07:17:15.561 INFO [stderr] warning: field is never used: `thunk`
Dec 12 07:17:15.561 INFO [stderr]   --> src/sodium/impl_/latch.rs:12:5
Dec 12 07:17:15.561 INFO [stderr]    |
Dec 12 07:17:15.561 INFO [stderr] 12 |     thunk: Box<Fn()->A>,
Dec 12 07:17:15.561 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.561 INFO [stderr]    |
Dec 12 07:17:15.561 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 07:17:15.561 INFO [stderr] 
Dec 12 07:17:15.564 INFO [stderr] warning: method is never used: `const_`
Dec 12 07:17:15.564 INFO [stderr]   --> src/sodium/impl_/latch.rs:31:5
Dec 12 07:17:15.564 INFO [stderr]    |
Dec 12 07:17:15.564 INFO [stderr] 31 |     pub fn const_(value:  A) -> Latch<A> {
Dec 12 07:17:15.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.564 INFO [stderr] 
Dec 12 07:17:15.564 INFO [stderr] warning: method is never used: `new`
Dec 12 07:17:15.564 INFO [stderr]   --> src/sodium/impl_/latch.rs:37:5
Dec 12 07:17:15.564 INFO [stderr]    |
Dec 12 07:17:15.564 INFO [stderr] 37 |     pub fn new<F: Fn()->A + 'static>(thunk: F) -> Latch<A> {
Dec 12 07:17:15.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.564 INFO [stderr] 
Dec 12 07:17:15.564 INFO [stderr] warning: method is never used: `get`
Dec 12 07:17:15.564 INFO [stderr]   --> src/sodium/impl_/latch.rs:49:5
Dec 12 07:17:15.564 INFO [stderr]    |
Dec 12 07:17:15.564 INFO [stderr] 49 |     pub fn get(&self) -> &A {
Dec 12 07:17:15.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.564 INFO [stderr] 
Dec 12 07:17:15.564 INFO [stderr] warning: method is never used: `get_mut`
Dec 12 07:17:15.564 INFO [stderr]   --> src/sodium/impl_/latch.rs:54:5
Dec 12 07:17:15.564 INFO [stderr]    |
Dec 12 07:17:15.564 INFO [stderr] 54 |     pub fn get_mut(&mut self) -> &mut A {
Dec 12 07:17:15.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.564 INFO [stderr] 
Dec 12 07:17:15.564 INFO [stderr] warning: method is never used: `reset`
Dec 12 07:17:15.564 INFO [stderr]   --> src/sodium/impl_/latch.rs:59:5
Dec 12 07:17:15.564 INFO [stderr]    |
Dec 12 07:17:15.564 INFO [stderr] 59 |     pub fn reset(&mut self) {
Dec 12 07:17:15.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:17:15.564 INFO [stderr] 
Dec 12 07:17:15.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
Dec 12 07:17:15.640 INFO [stderr] su: No module specific data is present
Dec 12 07:17:16.307 INFO running `"docker" "inspect" "f6290c375367e955fd72f47b7cf1633cb05adba34b35edaffbdf296f40b5b43b"`
Dec 12 07:17:16.452 INFO running `"docker" "rm" "-f" "f6290c375367e955fd72f47b7cf1633cb05adba34b35edaffbdf296f40b5b43b"`
Dec 12 07:17:16.608 INFO [stdout] f6290c375367e955fd72f47b7cf1633cb05adba34b35edaffbdf296f40b5b43b