[INFO] fetching crate brotli-no-stdlib 1.0.4...
[INFO] testing brotli-no-stdlib-1.0.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate brotli-no-stdlib 1.0.4 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate brotli-no-stdlib 1.0.4 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 brotli-no-stdlib 1.0.4
[INFO] finished tweaking crates.io crate brotli-no-stdlib 1.0.4
[INFO] tweaked toml for crates.io crate brotli-no-stdlib 1.0.4 written to /workspace/builds/worker-19/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-19/source/src/bin/integration_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] [stdout] 7104f27a5edd12aea2b5e79c735c60c556eb6484f6dbe26e34418b6208ec277c
[INFO] running `Command { std: "docker" "start" "-a" "7104f27a5edd12aea2b5e79c735c60c556eb6484f6dbe26e34418b6208ec277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7104f27a5edd12aea2b5e79c735c60c556eb6484f6dbe26e34418b6208ec277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7104f27a5edd12aea2b5e79c735c60c556eb6484f6dbe26e34418b6208ec277c", kill_on_drop: false }`
[INFO] [stdout] 7104f27a5edd12aea2b5e79c735c60c556eb6484f6dbe26e34418b6208ec277c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 75d466a51cfbc17ede1ea405abf8cbbff023dae1492fa59f3ee182c0512e8631
[INFO] running `Command { std: "docker" "start" "-a" "75d466a51cfbc17ede1ea405abf8cbbff023dae1492fa59f3ee182c0512e8631", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/integration_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling alloc-no-stdlib v1.0.0
[INFO] [stderr]    Compiling brotli-no-stdlib v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:921:1
[INFO] [stdout]     |
[INFO] [stdout] 921 | / macro_rules! SafeReadBlockLength (
[INFO] [stdout] 922 | |    ($state : expr, $result : expr , $table : expr) => {
[INFO] [stdout] 923 | |        SafeReadBlockLengthFromIndex(&mut $state, &mut $result,
[INFO] [stdout] 924 | |                                     SafeReadBlockLengthIndex($state.substate_read_block_length,
[INFO] [stdout] ...   |
[INFO] [stdout] 928 | |    };
[INFO] [stdout] 929 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 |                      mut value : &mut u32,
[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/lib.rs:1018:7
[INFO] [stdout]      |
[INFO] [stdout] 1018 |   for mut htree_iter in htrees.slice_mut()[s.htree_index as usize .. (group_num_htrees as usize)].iter_mut() {
[INFO] [stdout]      |       ----^^^^^^^^^^
[INFO] [stdout]      |       |
[INFO] [stdout]      |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1152:13
[INFO] [stdout]      |
[INFO] [stdout] 1152 |         let mut context_map = &mut context_map_arg.slice_mut();
[INFO] [stdout]      |             ----^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1272:45
[INFO] [stdout]      |
[INFO] [stdout] 1272 | ...                   mut br : &mut bit_reader::BrotliBitReader,
[INFO] [stdout]      |                       ----^^
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1390:45
[INFO] [stdout]      |
[INFO] [stdout] 1390 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1398:45
[INFO] [stdout]      |
[INFO] [stdout] 1398 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1424:45
[INFO] [stdout]      |
[INFO] [stdout] 1424 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1433:45
[INFO] [stdout]      |
[INFO] [stdout] 1433 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:33
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                 ----^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:57
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                                         ----^^^^^^^^^^^^^
[INFO] [stdout]      |                                                         |
[INFO] [stdout]      |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1441:20
[INFO] [stdout]      |
[INFO] [stdout] 1441 |                    mut total_out : &mut usize, s : &mut BrotliState<AllocU8, AllocU32, AllocHC>) -> BrotliResult {
[INFO] [stdout]      |                    ----^^^^^^^^^
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2198:3
[INFO] [stdout]      |
[INFO] [stdout] 2198 |   mut available_in : &mut usize, input_offset : &mut usize, xinput : &[u8], // ugly that we are mutable
[INFO] [stdout]      |   ----^^^^^^^^^^^^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transform.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let mut uppercase = &mut dst[(idx - len) as usize ..];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1035:5
[INFO] [stdout]      |
[INFO] [stdout] 1035 | /     mem::replace(&mut s.literal_hgroup.codes,
[INFO] [stdout] 1036 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1037 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1038:5
[INFO] [stdout]      |
[INFO] [stdout] 1038 | /     mem::replace(&mut s.literal_hgroup.htrees,
[INFO] [stdout] 1039 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1040 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1042:5
[INFO] [stdout]      |
[INFO] [stdout] 1042 | /     mem::replace(&mut s.insert_copy_hgroup.codes,
[INFO] [stdout] 1043 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1044 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 | /     mem::replace(&mut s.insert_copy_hgroup.htrees,
[INFO] [stdout] 1046 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1047 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1049:5
[INFO] [stdout]      |
[INFO] [stdout] 1049 | /     mem::replace(&mut s.distance_hgroup.codes,
[INFO] [stdout] 1050 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1051 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1052:5
[INFO] [stdout]      |
[INFO] [stdout] 1052 | /     mem::replace(&mut s.distance_hgroup.htrees,
[INFO] [stdout] 1053 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1054 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1139:9
[INFO] [stdout]      |
[INFO] [stdout] 1139 | /         mem::replace(&mut s.context_map_table, mem::replace(&mut local_context_map_table,
[INFO] [stdout] 1140 | |                                                             AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |__________________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1258:5
[INFO] [stdout]      |
[INFO] [stdout] 1258 | /     mem::replace(&mut s.dist_context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1259 | |                                                        AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1262:5
[INFO] [stdout]      |
[INFO] [stdout] 1262 | /     mem::replace(&mut s.context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1263 | |                                                   AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2161:3
[INFO] [stdout]      |
[INFO] [stdout] 2161 | /   core::mem::replace(&mut s.literal_hgroup,
[INFO] [stdout] 2162 | |                 core::mem::replace(&mut saved_literal_hgroup,
[INFO] [stdout] 2163 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2165:3
[INFO] [stdout]      |
[INFO] [stdout] 2165 | /   core::mem::replace(&mut s.distance_hgroup,
[INFO] [stdout] 2166 | |                 core::mem::replace(&mut saved_distance_hgroup,
[INFO] [stdout] 2167 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2169:3
[INFO] [stdout]      |
[INFO] [stdout] 2169 | /   core::mem::replace(&mut s.insert_copy_hgroup,
[INFO] [stdout] 2170 | |                 core::mem::replace(&mut saved_insert_copy_hgroup,
[INFO] [stdout] 2171 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2439:11
[INFO] [stdout]      |
[INFO] [stdout] 2439 | /           mem::replace(&mut s.block_type_length_state.block_type_trees,
[INFO] [stdout] 2440 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2454:11
[INFO] [stdout]      |
[INFO] [stdout] 2454 | /           mem::replace(&mut s.block_type_length_state.block_len_trees,
[INFO] [stdout] 2455 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         core::mem::replace(&mut self.htrees,
[INFO] [stdout] 59 | |                            alloc_u32.alloc_cell(ntrees as usize));
[INFO] [stdout]    | |__________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         core::mem::replace(&mut self.codes,
[INFO] [stdout] 61 | |                            alloc_hc.alloc_cell(ntrees as usize * BROTLI_HUFFMAN_MAX_TABLE_SIZE as usize));
[INFO] [stdout]    | |__________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/brot.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |               try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stdout]     |               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/brot.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |           try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/brot.rs:76:63
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn decompress<InputType, OutputType> (r : &mut InputType, mut w : &mut OutputType) -> Result<(), io::Error>
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "75d466a51cfbc17ede1ea405abf8cbbff023dae1492fa59f3ee182c0512e8631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d466a51cfbc17ede1ea405abf8cbbff023dae1492fa59f3ee182c0512e8631", kill_on_drop: false }`
[INFO] [stdout] 75d466a51cfbc17ede1ea405abf8cbbff023dae1492fa59f3ee182c0512e8631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] [stdout] 1029e73d49f8225b1cd62ae960a096cdd0979d44e0092fd186abe969aae4550d
[INFO] running `Command { std: "docker" "start" "-a" "1029e73d49f8225b1cd62ae960a096cdd0979d44e0092fd186abe969aae4550d", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/integration_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:921:1
[INFO] [stdout]     |
[INFO] [stdout] 921 | / macro_rules! SafeReadBlockLength (
[INFO] [stdout] 922 | |    ($state : expr, $result : expr , $table : expr) => {
[INFO] [stdout] 923 | |        SafeReadBlockLengthFromIndex(&mut $state, &mut $result,
[INFO] [stdout] 924 | |                                     SafeReadBlockLengthIndex($state.substate_read_block_length,
[INFO] [stdout] ...   |
[INFO] [stdout] 928 | |    };
[INFO] [stdout] 929 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 |                      mut value : &mut u32,
[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/lib.rs:1018:7
[INFO] [stdout]      |
[INFO] [stdout] 1018 |   for mut htree_iter in htrees.slice_mut()[s.htree_index as usize .. (group_num_htrees as usize)].iter_mut() {
[INFO] [stdout]      |       ----^^^^^^^^^^
[INFO] [stdout]      |       |
[INFO] [stdout]      |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1152:13
[INFO] [stdout]      |
[INFO] [stdout] 1152 |         let mut context_map = &mut context_map_arg.slice_mut();
[INFO] [stdout]      |             ----^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1272:45
[INFO] [stdout]      |
[INFO] [stdout] 1272 | ...                   mut br : &mut bit_reader::BrotliBitReader,
[INFO] [stdout]      |                       ----^^
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1390:45
[INFO] [stdout]      |
[INFO] [stdout] 1390 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1398:45
[INFO] [stdout]      |
[INFO] [stdout] 1398 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1424:45
[INFO] [stdout]      |
[INFO] [stdout] 1424 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1433:45
[INFO] [stdout]      |
[INFO] [stdout] 1433 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:33
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                 ----^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:57
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                                         ----^^^^^^^^^^^^^
[INFO] [stdout]      |                                                         |
[INFO] [stdout]      |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1441:20
[INFO] [stdout]      |
[INFO] [stdout] 1441 |                    mut total_out : &mut usize, s : &mut BrotliState<AllocU8, AllocU32, AllocHC>) -> BrotliResult {
[INFO] [stdout]      |                    ----^^^^^^^^^
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2198:3
[INFO] [stdout]      |
[INFO] [stdout] 2198 |   mut available_in : &mut usize, input_offset : &mut usize, xinput : &[u8], // ugly that we are mutable
[INFO] [stdout]      |   ----^^^^^^^^^^^^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transform.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let mut uppercase = &mut dst[(idx - len) as usize ..];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1035:5
[INFO] [stdout]      |
[INFO] [stdout] 1035 | /     mem::replace(&mut s.literal_hgroup.codes,
[INFO] [stdout] 1036 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1037 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1038:5
[INFO] [stdout]      |
[INFO] [stdout] 1038 | /     mem::replace(&mut s.literal_hgroup.htrees,
[INFO] [stdout] 1039 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1040 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1042:5
[INFO] [stdout]      |
[INFO] [stdout] 1042 | /     mem::replace(&mut s.insert_copy_hgroup.codes,
[INFO] [stdout] 1043 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1044 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 | /     mem::replace(&mut s.insert_copy_hgroup.htrees,
[INFO] [stdout] 1046 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1047 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1049:5
[INFO] [stdout]      |
[INFO] [stdout] 1049 | /     mem::replace(&mut s.distance_hgroup.codes,
[INFO] [stdout] 1050 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1051 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1052:5
[INFO] [stdout]      |
[INFO] [stdout] 1052 | /     mem::replace(&mut s.distance_hgroup.htrees,
[INFO] [stdout] 1053 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1054 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1139:9
[INFO] [stdout]      |
[INFO] [stdout] 1139 | /         mem::replace(&mut s.context_map_table, mem::replace(&mut local_context_map_table,
[INFO] [stdout] 1140 | |                                                             AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |__________________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1258:5
[INFO] [stdout]      |
[INFO] [stdout] 1258 | /     mem::replace(&mut s.dist_context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1259 | |                                                        AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1262:5
[INFO] [stdout]      |
[INFO] [stdout] 1262 | /     mem::replace(&mut s.context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1263 | |                                                   AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2161:3
[INFO] [stdout]      |
[INFO] [stdout] 2161 | /   core::mem::replace(&mut s.literal_hgroup,
[INFO] [stdout] 2162 | |                 core::mem::replace(&mut saved_literal_hgroup,
[INFO] [stdout] 2163 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2165:3
[INFO] [stdout]      |
[INFO] [stdout] 2165 | /   core::mem::replace(&mut s.distance_hgroup,
[INFO] [stdout] 2166 | |                 core::mem::replace(&mut saved_distance_hgroup,
[INFO] [stdout] 2167 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2169:3
[INFO] [stdout]      |
[INFO] [stdout] 2169 | /   core::mem::replace(&mut s.insert_copy_hgroup,
[INFO] [stdout] 2170 | |                 core::mem::replace(&mut saved_insert_copy_hgroup,
[INFO] [stdout] 2171 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2439:11
[INFO] [stdout]      |
[INFO] [stdout] 2439 | /           mem::replace(&mut s.block_type_length_state.block_type_trees,
[INFO] [stdout] 2440 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2454:11
[INFO] [stdout]      |
[INFO] [stdout] 2454 | /           mem::replace(&mut s.block_type_length_state.block_len_trees,
[INFO] [stdout] 2455 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         core::mem::replace(&mut self.htrees,
[INFO] [stdout] 59 | |                            alloc_u32.alloc_cell(ntrees as usize));
[INFO] [stdout]    | |__________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling brotli-no-stdlib v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         core::mem::replace(&mut self.codes,
[INFO] [stdout] 61 | |                            alloc_hc.alloc_cell(ntrees as usize * BROTLI_HUFFMAN_MAX_TABLE_SIZE as usize));
[INFO] [stdout]    | |__________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:921:1
[INFO] [stdout]     |
[INFO] [stdout] 921 | / macro_rules! SafeReadBlockLength (
[INFO] [stdout] 922 | |    ($state : expr, $result : expr , $table : expr) => {
[INFO] [stdout] 923 | |        SafeReadBlockLengthFromIndex(&mut $state, &mut $result,
[INFO] [stdout] 924 | |                                     SafeReadBlockLengthIndex($state.substate_read_block_length,
[INFO] [stdout] ...   |
[INFO] [stdout] 928 | |    };
[INFO] [stdout] 929 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/brot.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |               try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stdout]     |               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/brot.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |           try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/brot.rs:76:63
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn decompress<InputType, OutputType> (r : &mut InputType, mut w : &mut OutputType) -> Result<(), io::Error>
[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/lib.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 |                      mut value : &mut u32,
[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/lib.rs:1018:7
[INFO] [stdout]      |
[INFO] [stdout] 1018 |   for mut htree_iter in htrees.slice_mut()[s.htree_index as usize .. (group_num_htrees as usize)].iter_mut() {
[INFO] [stdout]      |       ----^^^^^^^^^^
[INFO] [stdout]      |       |
[INFO] [stdout]      |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1152:13
[INFO] [stdout]      |
[INFO] [stdout] 1152 |         let mut context_map = &mut context_map_arg.slice_mut();
[INFO] [stdout]      |             ----^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1272:45
[INFO] [stdout]      |
[INFO] [stdout] 1272 | ...                   mut br : &mut bit_reader::BrotliBitReader,
[INFO] [stdout]      |                       ----^^
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1390:45
[INFO] [stdout]      |
[INFO] [stdout] 1390 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1398:45
[INFO] [stdout]      |
[INFO] [stdout] 1398 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1424:45
[INFO] [stdout]      |
[INFO] [stdout] 1424 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1433:45
[INFO] [stdout]      |
[INFO] [stdout] 1433 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[INFO] [stdout]      |                                             ----^
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:33
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                 ----^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1440:57
[INFO] [stdout]      |
[INFO] [stdout] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[INFO] [stdout]      |                                                         ----^^^^^^^^^^^^^
[INFO] [stdout]      |                                                         |
[INFO] [stdout]      |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1441:20
[INFO] [stdout]      |
[INFO] [stdout] 1441 |                    mut total_out : &mut usize, s : &mut BrotliState<AllocU8, AllocU32, AllocHC>) -> BrotliResult {
[INFO] [stdout]      |                    ----^^^^^^^^^
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:2198:3
[INFO] [stdout]      |
[INFO] [stdout] 2198 |   mut available_in : &mut usize, input_offset : &mut usize, xinput : &[u8], // ugly that we are mutable
[INFO] [stdout]      |   ----^^^^^^^^^^^^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transform.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let mut uppercase = &mut dst[(idx - len) as usize ..];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1035:5
[INFO] [stdout]      |
[INFO] [stdout] 1035 | /     mem::replace(&mut s.literal_hgroup.codes,
[INFO] [stdout] 1036 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1037 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1038:5
[INFO] [stdout]      |
[INFO] [stdout] 1038 | /     mem::replace(&mut s.literal_hgroup.htrees,
[INFO] [stdout] 1039 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1040 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1042:5
[INFO] [stdout]      |
[INFO] [stdout] 1042 | /     mem::replace(&mut s.insert_copy_hgroup.codes,
[INFO] [stdout] 1043 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1044 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 | /     mem::replace(&mut s.insert_copy_hgroup.htrees,
[INFO] [stdout] 1046 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1047 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1049:5
[INFO] [stdout]      |
[INFO] [stdout] 1049 | /     mem::replace(&mut s.distance_hgroup.codes,
[INFO] [stdout] 1050 | |                  mem::replace(&mut hcodes,
[INFO] [stdout] 1051 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1052:5
[INFO] [stdout]      |
[INFO] [stdout] 1052 | /     mem::replace(&mut s.distance_hgroup.htrees,
[INFO] [stdout] 1053 | |                  mem::replace(&mut htrees,
[INFO] [stdout] 1054 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1139:9
[INFO] [stdout]      |
[INFO] [stdout] 1139 | /         mem::replace(&mut s.context_map_table, mem::replace(&mut local_context_map_table,
[INFO] [stdout] 1140 | |                                                             AllocHC::AllocatedMemory::default()));
[INFO] [stdout]      | |__________________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1258:5
[INFO] [stdout]      |
[INFO] [stdout] 1258 | /     mem::replace(&mut s.dist_context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1259 | |                                                        AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |_____________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:1262:5
[INFO] [stdout]      |
[INFO] [stdout] 1262 | /     mem::replace(&mut s.context_map, mem::replace(&mut context_map_arg,
[INFO] [stdout] 1263 | |                                                   AllocU8::AllocatedMemory::default()));
[INFO] [stdout]      | |________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2161:3
[INFO] [stdout]      |
[INFO] [stdout] 2161 | /   core::mem::replace(&mut s.literal_hgroup,
[INFO] [stdout] 2162 | |                 core::mem::replace(&mut saved_literal_hgroup,
[INFO] [stdout] 2163 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2165:3
[INFO] [stdout]      |
[INFO] [stdout] 2165 | /   core::mem::replace(&mut s.distance_hgroup,
[INFO] [stdout] 2166 | |                 core::mem::replace(&mut saved_distance_hgroup,
[INFO] [stdout] 2167 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2169:3
[INFO] [stdout]      |
[INFO] [stdout] 2169 | /   core::mem::replace(&mut s.insert_copy_hgroup,
[INFO] [stdout] 2170 | |                 core::mem::replace(&mut saved_insert_copy_hgroup,
[INFO] [stdout] 2171 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stdout]      | |_____________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2439:11
[INFO] [stdout]      |
[INFO] [stdout] 2439 | /           mem::replace(&mut s.block_type_length_state.block_type_trees,
[INFO] [stdout] 2440 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]     --> src/lib.rs:2454:11
[INFO] [stdout]      |
[INFO] [stdout] 2454 | /           mem::replace(&mut s.block_type_length_state.block_len_trees,
[INFO] [stdout] 2455 | |                        new_huffman_table);
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         core::mem::replace(&mut self.htrees,
[INFO] [stdout] 59 | |                            alloc_u32.alloc_cell(ntrees as usize));
[INFO] [stdout]    | |__________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stdout]   --> src/huffman/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         core::mem::replace(&mut self.codes,
[INFO] [stdout] 61 | |                            alloc_hc.alloc_cell(ntrees as usize * BROTLI_HUFFMAN_MAX_TABLE_SIZE as usize));
[INFO] [stdout]    | |__________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "1029e73d49f8225b1cd62ae960a096cdd0979d44e0092fd186abe969aae4550d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1029e73d49f8225b1cd62ae960a096cdd0979d44e0092fd186abe969aae4550d", kill_on_drop: false }`
[INFO] [stdout] 1029e73d49f8225b1cd62ae960a096cdd0979d44e0092fd186abe969aae4550d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 992ef3953c9972ac68a17942b38efcd3a2c4a83f0e0a4149390de962da852806
[INFO] running `Command { std: "docker" "start" "-a" "992ef3953c9972ac68a17942b38efcd3a2c4a83f0e0a4149390de962da852806", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/integration_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:921:1
[INFO] [stderr]     |
[INFO] [stderr] 921 | / macro_rules! SafeReadBlockLength (
[INFO] [stderr] 922 | |    ($state : expr, $result : expr , $table : expr) => {
[INFO] [stderr] 923 | |        SafeReadBlockLengthFromIndex(&mut $state, &mut $result,
[INFO] [stderr] 924 | |                                     SafeReadBlockLengthIndex($state.substate_read_block_length,
[INFO] [stderr] ...   |
[INFO] [stderr] 928 | |    };
[INFO] [stderr] 929 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |                      mut value : &mut u32,
[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:1018:7
[INFO] [stderr]      |
[INFO] [stderr] 1018 |   for mut htree_iter in htrees.slice_mut()[s.htree_index as usize .. (group_num_htrees as usize)].iter_mut() {
[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:1152:13
[INFO] [stderr]      |
[INFO] [stderr] 1152 |         let mut context_map = &mut context_map_arg.slice_mut();
[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:1272:45
[INFO] [stderr]      |
[INFO] [stderr] 1272 | ...                   mut br : &mut bit_reader::BrotliBitReader,
[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:1390:45
[INFO] [stderr]      |
[INFO] [stderr] 1390 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[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:1398:45
[INFO] [stderr]      |
[INFO] [stderr] 1398 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[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:1424:45
[INFO] [stderr]      |
[INFO] [stderr] 1424 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[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:1433:45
[INFO] [stderr]      |
[INFO] [stderr] 1433 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[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:1440:33
[INFO] [stderr]      |
[INFO] [stderr] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[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:1440:57
[INFO] [stderr]      |
[INFO] [stderr] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[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:1441:20
[INFO] [stderr]      |
[INFO] [stderr] 1441 |                    mut total_out : &mut usize, s : &mut BrotliState<AllocU8, AllocU32, AllocHC>) -> BrotliResult {
[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:2198:3
[INFO] [stderr]      |
[INFO] [stderr] 2198 |   mut available_in : &mut usize, input_offset : &mut usize, xinput : &[u8], // ugly that we are mutable
[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/transform.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut uppercase = &mut dst[(idx - len) as usize ..];
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1035:5
[INFO] [stderr]      |
[INFO] [stderr] 1035 | /     mem::replace(&mut s.literal_hgroup.codes,
[INFO] [stderr] 1036 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1037 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1038:5
[INFO] [stderr]      |
[INFO] [stderr] 1038 | /     mem::replace(&mut s.literal_hgroup.htrees,
[INFO] [stderr] 1039 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1040 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1042:5
[INFO] [stderr]      |
[INFO] [stderr] 1042 | /     mem::replace(&mut s.insert_copy_hgroup.codes,
[INFO] [stderr] 1043 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1044 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 | /     mem::replace(&mut s.insert_copy_hgroup.htrees,
[INFO] [stderr] 1046 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1047 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1049:5
[INFO] [stderr]      |
[INFO] [stderr] 1049 | /     mem::replace(&mut s.distance_hgroup.codes,
[INFO] [stderr] 1050 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1051 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1052:5
[INFO] [stderr]      |
[INFO] [stderr] 1052 | /     mem::replace(&mut s.distance_hgroup.htrees,
[INFO] [stderr] 1053 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1054 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1139:9
[INFO] [stderr]      |
[INFO] [stderr] 1139 | /         mem::replace(&mut s.context_map_table, mem::replace(&mut local_context_map_table,
[INFO] [stderr] 1140 | |                                                             AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |__________________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1258:5
[INFO] [stderr]      |
[INFO] [stderr] 1258 | /     mem::replace(&mut s.dist_context_map, mem::replace(&mut context_map_arg,
[INFO] [stderr] 1259 | |                                                        AllocU8::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1262:5
[INFO] [stderr]      |
[INFO] [stderr] 1262 | /     mem::replace(&mut s.context_map, mem::replace(&mut context_map_arg,
[INFO] [stderr] 1263 | |                                                   AllocU8::AllocatedMemory::default()));
[INFO] [stderr]      | |________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2161:3
[INFO] [stderr]      |
[INFO] [stderr] 2161 | /   core::mem::replace(&mut s.literal_hgroup,
[INFO] [stderr] 2162 | |                 core::mem::replace(&mut saved_literal_hgroup,
[INFO] [stderr] 2163 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2165:3
[INFO] [stderr]      |
[INFO] [stderr] 2165 | /   core::mem::replace(&mut s.distance_hgroup,
[INFO] [stderr] 2166 | |                 core::mem::replace(&mut saved_distance_hgroup,
[INFO] [stderr] 2167 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2169:3
[INFO] [stderr]      |
[INFO] [stderr] 2169 | /   core::mem::replace(&mut s.insert_copy_hgroup,
[INFO] [stderr] 2170 | |                 core::mem::replace(&mut saved_insert_copy_hgroup,
[INFO] [stderr] 2171 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2439:11
[INFO] [stderr]      |
[INFO] [stderr] 2439 | /           mem::replace(&mut s.block_type_length_state.block_type_trees,
[INFO] [stderr] 2440 | |                        new_huffman_table);
[INFO] [stderr]      | |__________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2454:11
[INFO] [stderr]      |
[INFO] [stderr] 2454 | /           mem::replace(&mut s.block_type_length_state.block_len_trees,
[INFO] [stderr] 2455 | |                        new_huffman_table);
[INFO] [stderr]      | |__________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/huffman/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | /         core::mem::replace(&mut self.htrees,
[INFO] [stderr] 59 | |                            alloc_u32.alloc_cell(ntrees as usize));
[INFO] [stderr]    | |__________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/huffman/mod.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         core::mem::replace(&mut self.codes,
[INFO] [stderr] 61 | |                            alloc_hc.alloc_cell(ntrees as usize * BROTLI_HUFFMAN_MAX_TABLE_SIZE as usize));
[INFO] [stderr]    | |__________________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:921:1
[INFO] [stderr]     |
[INFO] [stderr] 921 | / macro_rules! SafeReadBlockLength (
[INFO] [stderr] 922 | |    ($state : expr, $result : expr , $table : expr) => {
[INFO] [stderr] 923 | |        SafeReadBlockLengthFromIndex(&mut $state, &mut $result,
[INFO] [stderr] 924 | |                                     SafeReadBlockLengthIndex($state.substate_read_block_length,
[INFO] [stderr] ...   |
[INFO] [stderr] 928 | |    };
[INFO] [stderr] 929 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |                      mut value : &mut u32,
[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:1018:7
[INFO] [stderr]      |
[INFO] [stderr] 1018 |   for mut htree_iter in htrees.slice_mut()[s.htree_index as usize .. (group_num_htrees as usize)].iter_mut() {
[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:1152:13
[INFO] [stderr]      |
[INFO] [stderr] 1152 |         let mut context_map = &mut context_map_arg.slice_mut();
[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:1272:45
[INFO] [stderr]      |
[INFO] [stderr] 1272 | ...                   mut br : &mut bit_reader::BrotliBitReader,
[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:1390:45
[INFO] [stderr]      |
[INFO] [stderr] 1390 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[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:1398:45
[INFO] [stderr]      |
[INFO] [stderr] 1398 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[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:1424:45
[INFO] [stderr]      |
[INFO] [stderr] 1424 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) {
[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:1433:45
[INFO] [stderr]      |
[INFO] [stderr] 1433 |   AllocHC : alloc::Allocator<HuffmanCode>> (mut s : &mut BrotliState<AllocU8, AllocU32, AllocHC>, input : &[u8]) -> bool {
[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:1440:33
[INFO] [stderr]      |
[INFO] [stderr] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[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:1440:57
[INFO] [stderr]      |
[INFO] [stderr] 1440 |    (available_out : &mut usize, mut output : &mut [u8], mut output_offset : &mut usize,
[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:1441:20
[INFO] [stderr]      |
[INFO] [stderr] 1441 |                    mut total_out : &mut usize, s : &mut BrotliState<AllocU8, AllocU32, AllocHC>) -> BrotliResult {
[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:2198:3
[INFO] [stderr]      |
[INFO] [stderr] 2198 |   mut available_in : &mut usize, input_offset : &mut usize, xinput : &[u8], // ugly that we are mutable
[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/transform.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut uppercase = &mut dst[(idx - len) as usize ..];
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1035:5
[INFO] [stderr]      |
[INFO] [stderr] 1035 | /     mem::replace(&mut s.literal_hgroup.codes,
[INFO] [stderr] 1036 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1037 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1038:5
[INFO] [stderr]      |
[INFO] [stderr] 1038 | /     mem::replace(&mut s.literal_hgroup.htrees,
[INFO] [stderr] 1039 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1040 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1042:5
[INFO] [stderr]      |
[INFO] [stderr] 1042 | /     mem::replace(&mut s.insert_copy_hgroup.codes,
[INFO] [stderr] 1043 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1044 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 | /     mem::replace(&mut s.insert_copy_hgroup.htrees,
[INFO] [stderr] 1046 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1047 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1049:5
[INFO] [stderr]      |
[INFO] [stderr] 1049 | /     mem::replace(&mut s.distance_hgroup.codes,
[INFO] [stderr] 1050 | |                  mem::replace(&mut hcodes,
[INFO] [stderr] 1051 | |                               AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1052:5
[INFO] [stderr]      |
[INFO] [stderr] 1052 | /     mem::replace(&mut s.distance_hgroup.htrees,
[INFO] [stderr] 1053 | |                  mem::replace(&mut htrees,
[INFO] [stderr] 1054 | |                               AllocU32::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1139:9
[INFO] [stderr]      |
[INFO] [stderr] 1139 | /         mem::replace(&mut s.context_map_table, mem::replace(&mut local_context_map_table,
[INFO] [stderr] 1140 | |                                                             AllocHC::AllocatedMemory::default()));
[INFO] [stderr]      | |__________________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1258:5
[INFO] [stderr]      |
[INFO] [stderr] 1258 | /     mem::replace(&mut s.dist_context_map, mem::replace(&mut context_map_arg,
[INFO] [stderr] 1259 | |                                                        AllocU8::AllocatedMemory::default()));
[INFO] [stderr]      | |_____________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:1262:5
[INFO] [stderr]      |
[INFO] [stderr] 1262 | /     mem::replace(&mut s.context_map, mem::replace(&mut context_map_arg,
[INFO] [stderr] 1263 | |                                                   AllocU8::AllocatedMemory::default()));
[INFO] [stderr]      | |________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2161:3
[INFO] [stderr]      |
[INFO] [stderr] 2161 | /   core::mem::replace(&mut s.literal_hgroup,
[INFO] [stderr] 2162 | |                 core::mem::replace(&mut saved_literal_hgroup,
[INFO] [stderr] 2163 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2165:3
[INFO] [stderr]      |
[INFO] [stderr] 2165 | /   core::mem::replace(&mut s.distance_hgroup,
[INFO] [stderr] 2166 | |                 core::mem::replace(&mut saved_distance_hgroup,
[INFO] [stderr] 2167 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2169:3
[INFO] [stderr]      |
[INFO] [stderr] 2169 | /   core::mem::replace(&mut s.insert_copy_hgroup,
[INFO] [stderr] 2170 | |                 core::mem::replace(&mut saved_insert_copy_hgroup,
[INFO] [stderr] 2171 | |                   HuffmanTreeGroup::<AllocU32, AllocHC>::default()));
[INFO] [stderr]      | |_____________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2439:11
[INFO] [stderr]      |
[INFO] [stderr] 2439 | /           mem::replace(&mut s.block_type_length_state.block_type_trees,
[INFO] [stderr] 2440 | |                        new_huffman_table);
[INFO] [stderr]      | |__________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]     --> src/lib.rs:2454:11
[INFO] [stderr]      |
[INFO] [stderr] 2454 | /           mem::replace(&mut s.block_type_length_state.block_len_trees,
[INFO] [stderr] 2455 | |                        new_huffman_table);
[INFO] [stderr]      | |__________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/huffman/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | /         core::mem::replace(&mut self.htrees,
[INFO] [stderr] 59 | |                            alloc_u32.alloc_cell(ntrees as usize));
[INFO] [stderr]    | |__________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/huffman/mod.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         core::mem::replace(&mut self.codes,
[INFO] [stderr] 61 | |                            alloc_hc.alloc_cell(ntrees as usize * BROTLI_HUFFMAN_MAX_TABLE_SIZE as usize));
[INFO] [stderr]    | |__________________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bin/brot.rs:128:15
[INFO] [stderr]     |
[INFO] [stderr] 128 |               try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bin/brot.rs:146:11
[INFO] [stderr]     |
[INFO] [stderr] 146 |           try!(_write_all(&mut w, &output.slice()[..output_offset]));
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/brot.rs:76:63
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn decompress<InputType, OutputType> (r : &mut InputType, mut w : &mut OutputType) -> Result<(), io::Error>
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brotli_no_stdlib-7a508af4c9565ba1)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test bit_reader::tests::bit_read_tests ... ok
[INFO] [stdout] test bit_reader::tests::const_fill_bit_window_tests ... ok
[INFO] [stdout] test bit_reader::tests::safe_read_tests ... ok
[INFO] [stdout] test bit_reader::tests::warmup_errcheck ... ok
[INFO] [stdout] test bit_reader::tests::warmup_works ... ok
[INFO] [stdout] test huffman::tests::code_length_ht ... ok
[INFO] [stdout] test huffman::tests::code_length_single_value_ht ... ok
[INFO] [stdout] test huffman::tests::code_length_stringy_ht ... ok
[INFO] [stdout] test huffman::tests::complex ... ok
[INFO] [stdout] test huffman::tests::simple_0 ... ok
[INFO] [stdout] test huffman::tests::multilevel ... ok
[INFO] [stdout] test huffman::tests::simple_1 ... ok
[INFO] [stdout] test huffman::tests::simple_2 ... ok
[INFO] [stdout] test huffman::tests::singlelevel ... ok
[INFO] [stdout] test huffman::tests::simple_3 ... ok
[INFO] [stdout] test huffman::tests::simple_4 ... ok
[INFO] [stdout] test test::test_10x10y ... ok
[INFO] [stdout] test test::test_x ... ok
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_quickfox_repeated ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brot-817afd0b16ad5beb)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stderr] Time 0.000123000
[INFO] [stderr] 
[INFO] [stderr] Time 0.000007330
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_64x ... ok
[INFO] [stdout] test integration_tests::test_empty8 ... ok
[INFO] [stderr] Time 0.000021920
[INFO] [stdout] test integration_tests::test_x ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_x_2 ... ok
[INFO] [stderr] Time 0.000024560
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_xyzzy ... ok
[INFO] [stderr] Time 0.000020030
[INFO] [stderr] 
[INFO] [stderr] Time 0.002805789
[INFO] [stderr] 
[INFO] [stderr] Time 0.000007770
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_monkey1 ... ok
[INFO] [stdout] test integration_tests::test_empty11 ... ok
[INFO] [stderr] Time 0.000242990
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_ukkonooa ... ok
[INFO] [stderr] Time 0.000005471
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty4 ... ok
[INFO] [stderr] Time 0.140160458
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_compressed_repeated ... ok
[INFO] [stderr] Time 0.012635178
[INFO] [stdout] test integration_tests::test_10x_10y_byte_by_byte ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.000011140
[INFO] [stderr] 
[INFO] [stderr] Time 0.000138620
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty9 ... ok
[INFO] [stdout] test integration_tests::test_10x_10y ... ok
[INFO] [stderr] Time 0.000010020
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty0 ... ok
[INFO] [stderr] Time 0.000017891
[INFO] [stdout] test integration_tests::test_empty1 ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.003794000
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_10x_10y_one_out_byte ... ok
[INFO] [stderr] Time 0.000014650
[INFO] [stdout] test integration_tests::test_empty12 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty10 ... ok
[INFO] [stderr] Time 0.000005250
[INFO] [stdout] test integration_tests::test_empty14 ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.000004520
[INFO] [stderr] 
[INFO] [stderr] Time 0.030563338
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_backward65536 ... ok
[INFO] [stderr] Time 0.000011280
[INFO] [stdout] test integration_tests::test_empty16 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty15 ... ok
[INFO] [stderr] Time 0.000008270
[INFO] [stderr] 
[INFO] [stderr] Time 0.000004300
[INFO] [stderr] 
[INFO] [stderr] Time 0.000005650
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty3 ... ok
[INFO] [stderr] Time 0.010894339
[INFO] [stdout] test integration_tests::test_empty2 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_compressed_file ... ok
[INFO] [stderr] Time 0.018787588
[INFO] [stdout] test integration_tests::test_ends_with_truncated_dictionary ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty13 ... ok
[INFO] [stderr] Time 0.000009990
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_monkey ... ok
[INFO] [stderr] Time 0.000374200
[INFO] [stdout] test integration_tests::test_x_3 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_x_0 ... ok
[INFO] [stderr] Time 0.003542929
[INFO] [stdout] test integration_tests::test_empty ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.002232809
[INFO] [stderr] 
[INFO] [stderr] Time 0.000004550
[INFO] [stderr] 
[INFO] [stderr] Time 0.001309445
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_monkey3 ... ok
[INFO] [stderr] Time 0.017312858
[INFO] [stdout] test integration_tests::test_random_org_10k ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.145901586
[INFO] [stderr] 
[INFO] [stderr] Time 0.000004580
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty5 ... ok
[INFO] [stderr] Time 0.066739013
[INFO] [stdout] test integration_tests::test_random_then_unicode ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty17 ... ok
[INFO] [stderr] Time 0.000030810
[INFO] [stdout] test integration_tests::test_x_1 ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.000009209
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty6 ... ok
[INFO] [stderr] Time 0.000011320
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_empty7 ... ok
[INFO] [stderr] Time 0.094763432
[INFO] [stdout] test integration_tests::test_empty18 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_alice29 ... ok
[INFO] [stderr] Time 0.140960076
[INFO] [stdout] test integration_tests::test_zeros ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_as_you_like_it ... ok
[INFO] [stderr] Time 0.136613757
[INFO] [stdout] test integration_tests::test_plrabn12 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_broken_file - should panic ... ok
[INFO] [stderr] Time 0.138698376
[INFO] [stdout] test integration_tests::test_negative_hypothesis - should panic ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::lcet10 ... ok
[INFO] [stderr] Time 0.297335001
[INFO] [stdout] test integration_tests::test_ukkonooa3 ... ok
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_mapsdatazrh ... ok
[INFO] [stderr] Time 0.263172635
[INFO] [stdout] test integration_tests::test_ukkonooa1 ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 0.000344120
[INFO] [stderr] 
[INFO] [stderr] Time 0.180775483
[INFO] [stderr] 
[INFO] [stderr] Time 0.000441499
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_metablock_reset ... ok
[INFO] [stderr] Time 0.169936333
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_alice1 ... ok
[INFO] [stderr] Time 0.571825050
[INFO] [stderr] 
[INFO] [stderr] Time 0.394831064
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_metablock_reset65536_1 ... ok
[INFO] [stderr] Time 1.296175100
[INFO] [stdout] test integration_tests::test_metablock_reset3 ... ok
[INFO] [stderr] 
[INFO] [stderr] Time 3.631214255
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_metablock_reset1_65536 ... ok
[INFO] [stderr] Time 3.753104802
[INFO] [stderr] 
[INFO] [stdout] test integration_tests::test_metablock_reset1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.84s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brotli-no-stdlib
[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" "992ef3953c9972ac68a17942b38efcd3a2c4a83f0e0a4149390de962da852806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992ef3953c9972ac68a17942b38efcd3a2c4a83f0e0a4149390de962da852806", kill_on_drop: false }`
[INFO] [stdout] 992ef3953c9972ac68a17942b38efcd3a2c4a83f0e0a4149390de962da852806
