[INFO] updating cached repository https://github.com/kmeisthax/awsmimg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 142fff272fc361fb65dabf5d81912d8580fa27b1
[INFO] checking kmeisthax/awsmimg against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmeisthax%2Fawsmimg" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmeisthax/awsmimg on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kmeisthax/awsmimg
[INFO] finished tweaking git repo https://github.com/kmeisthax/awsmimg
[INFO] tweaked toml for git repo https://github.com/kmeisthax/awsmimg written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kmeisthax/awsmimg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5042e31659af16dedfafb8cb4b4947d893ce3b7d1a34d22112739accf01ec99
[INFO] running `"docker" "start" "-a" "c5042e31659af16dedfafb8cb4b4947d893ce3b7d1a34d22112739accf01ec99"`
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking awsmimg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/awsmimg/conversion.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         for (_, _, pixel) in test_output.pixels() {
[INFO] [stderr]     |             ^^^^^^^^^^^^^    -------------------- this expression has type `&image::LumaA<u8>`
[INFO] [stderr]     |             |
[INFO] [stderr]     |             expected struct `image::LumaA`, found tuple
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `image::LumaA<u8>`
[INFO] [stderr]                 found tuple `(_, _, _)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/awsmimg/formats/agb.rs:84:62
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:157:62
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readbytes2`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let readbytes2 = self.r.read(&mut rawtree.get_mut(0..treesize).unwrap())?;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readbytes2`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bytes_read` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut bytes_read = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:300:44
[INFO] [stderr]     |
[INFO] [stderr] 300 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:301:42
[INFO] [stderr]     |
[INFO] [stderr] 301 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:304:44
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:305:42
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:320:42
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:323:44
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:324:42
[INFO] [stderr]     |
[INFO] [stderr] 324 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lastnode` is assigned to, but never used
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let mut lastnode = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_lastnode` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lastnode` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |                     lastnode = newpos;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/awsmimg/conversion.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut iw;
[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/awsmimg/conversion.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut ih;
[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/awsmimg/compression/agb.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut lnode : AGBHuffmanNode;
[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/awsmimg/compression/agb.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mut rnode : AGBHuffmanNode;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn new(r: &'a mut R) -> AGBHuffmanDecompressor<'a, R> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn new(w: &'a mut W, bits_per_symbol: u8) -> AGBHuffmanCompressor<'a, W> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize_huffman_tree`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn serialize_huffman_tree(&self, tree: &AGBHuffmanTree) -> Vec<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_huffman_header`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 |     fn write_huffman_header(&mut self, rootnode: usize) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]    --> src/awsmimg/conversion.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use image::{GenericImage, Pixel, ImageBuffer, LumaA};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `awsmimg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StoreFalse`, `StoreTrue`
[INFO] [stderr]  --> src/decode.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 | use argparse::{ArgumentParser, Store, StoreFalse, StoreTrue};
[INFO] [stderr]   |                                       ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interpret_direct_format_name`
[INFO] [stderr]   --> src/decode.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 | use awsmimg::formats::{interpret_indexed_format_name, interpret_direct_format_name};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StoreFalse`, `StoreTrue`
[INFO] [stderr]  --> src/decode.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 | use argparse::{ArgumentParser, Store, StoreFalse, StoreTrue};
[INFO] [stderr]   |                                       ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `interpret_direct_format_name`
[INFO] [stderr]   --> src/decode.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 | use awsmimg::formats::{interpret_indexed_format_name, interpret_direct_format_name};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/awsmimg/conversion.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         for (_, _, pixel) in test_output.pixels() {
[INFO] [stderr]     |             ^^^^^^^^^^^^^    -------------------- this expression has type `&image::LumaA<u8>`
[INFO] [stderr]     |             |
[INFO] [stderr]     |             expected struct `image::LumaA`, found tuple
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `image::LumaA<u8>`
[INFO] [stderr]                 found tuple `(_, _, _)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/conversion.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Div`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Div;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `Pixel`
[INFO] [stderr]  --> src/awsmimg/decoder.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{GenericImage, ImageBuffer, Primitive, Pixel, LumaA};
[INFO] [stderr]   |             ^^^^^^^^^^^^                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if (bytes_needed == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if (bytes_read == 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if (self.bitbuffer_len < 1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |         if (self.initialized == false) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if (self.frequency.len() < symbol) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/awsmimg/conversion.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         for (_, _, pixel) in test_output.pixels() {
[INFO] [stderr]     |             ^^^^^^^^^^^^^    -------------------- this expression has type `&image::LumaA<u8>`
[INFO] [stderr]     |             |
[INFO] [stderr]     |             expected struct `image::LumaA`, found tuple
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `image::LumaA<u8>`
[INFO] [stderr]                 found tuple `(_, _, _)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]    --> src/awsmimg/conversion.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use image::{GenericImage, Pixel, ImageBuffer, LumaA};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `awsmimg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/awsmimg/formats/agb.rs:84:62
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:157:62
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readbytes2`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let readbytes2 = self.r.read(&mut rawtree.get_mut(0..treesize).unwrap())?;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readbytes2`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bytes_read` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut bytes_read = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:300:44
[INFO] [stderr]     |
[INFO] [stderr] 300 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:301:42
[INFO] [stderr]     |
[INFO] [stderr] 301 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:304:44
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:305:42
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:320:42
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:323:44
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:324:42
[INFO] [stderr]     |
[INFO] [stderr] 324 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lastnode` is assigned to, but never used
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let mut lastnode = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_lastnode` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lastnode` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |                     lastnode = newpos;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/awsmimg/conversion.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut iw;
[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/awsmimg/conversion.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut ih;
[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/awsmimg/compression/agb.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut lnode : AGBHuffmanNode;
[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/awsmimg/compression/agb.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mut rnode : AGBHuffmanNode;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `luma_from_indexes`
[INFO] [stderr]   --> src/awsmimg/conversion.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn luma_from_indexes<'a, S>(data: Vec<S>, maxcol: u16, tsize: (u32, u32), isize: Option<(u32, u32)>) -> Option<Box<ImageBuffer<LumaA<u8>, Vec<u8>>>> where S: Primitive + 'a {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_indexes_as_image`
[INFO] [stderr]   --> src/awsmimg/decoder.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn decode_indexes_as_image<'a, E>(enc: &mut E, size: usize, isize: Option<(u32, u32)>) -> io::Result<Box<ImageBuffer<LumaA<u8>, Vec<u8>>>> where E: IndexedGraphicsDecoder + 'a {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_indexes_as_image_with_format`
[INFO] [stderr]   --> src/awsmimg/decoder.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn decode_indexes_as_image_with_format<'a, R>(format: IndexedFormat, r: &mut R, size: usize, imgsize: Option<(u32, u32)>) -> io::Result<Box<ImageBuffer<LumaA<u8>, Vec<u8>>>> where R: Read + 'a {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn new(r: &'a mut R) -> AGBHuffmanDecompressor<'a, R> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn new(w: &'a mut W, bits_per_symbol: u8) -> AGBHuffmanCompressor<'a, W> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize_huffman_tree`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn serialize_huffman_tree(&self, tree: &AGBHuffmanTree) -> Vec<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_huffman_header`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 |     fn write_huffman_header(&mut self, rootnode: usize) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]    --> src/awsmimg/conversion.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use image::{GenericImage, Pixel, ImageBuffer, LumaA};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `awsmimg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/awsmimg/formats/agb.rs:84:62
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:157:62
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn encode_indexes<P: Primitive>(&mut self, data: Vec<P>, width: u32, _height: u32) -> io::Result<()> {
[INFO] [stderr]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |         for i in 0..size {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readbytes2`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let readbytes2 = self.r.read(&mut rawtree.get_mut(0..treesize).unwrap())?;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readbytes2`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bytes_read` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut bytes_read = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:300:44
[INFO] [stderr]     |
[INFO] [stderr] 300 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:301:42
[INFO] [stderr]     |
[INFO] [stderr] 301 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:304:44
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:305:42
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     AGBHuffmanNode::Branch(j) => 0x80,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:320:42
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:323:44
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     AGBHuffmanNode::Branch(j) => 0x40,
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:324:42
[INFO] [stderr]     |
[INFO] [stderr] 324 |                     AGBHuffmanNode::Leaf(j) => 0x00,
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lastnode` is assigned to, but never used
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |         let mut lastnode = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_lastnode` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lastnode` is never read
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |                     lastnode = newpos;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/awsmimg/conversion.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut iw;
[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/awsmimg/conversion.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut ih;
[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/awsmimg/compression/agb.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut lnode : AGBHuffmanNode;
[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/awsmimg/compression/agb.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mut rnode : AGBHuffmanNode;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indexes_from_luma`
[INFO] [stderr]   --> src/awsmimg/conversion.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn indexes_from_luma<I, P, S>(image: &I, maxcol: S, tsize: (u32, u32)) -> Vec<S>
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_image_as_indexes`
[INFO] [stderr]   --> src/awsmimg/encoder.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn encode_image_as_indexes<'a, E, I, P, S>(enc: &mut E, image: &I) -> io::Result<()> where I: GenericImage<Pixel=P>, P: Pixel<Subpixel=S> + 'static, S: Primitive + 'static, E: IndexedGraphicsEncoder + 'a {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_image_as_indexes_with_format`
[INFO] [stderr]   --> src/awsmimg/encoder.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn encode_image_as_indexes_with_format<'a, W, I, P, S>(format: IndexedFormat, w: &mut W, image: &I) -> io::Result<()> where I: GenericImage<Pixel=P>, P: Pixel<Subpixel=S> + 'static, S: Primitive + 'static, W: Write + 'a {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_image_as_direct_color_with_format`
[INFO] [stderr]    --> src/awsmimg/encoder.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn encode_image_as_direct_color_with_format<'a, W, I, P, S>(format: DirectFormat, w: &mut W, image: &I) -> io::Result<()> where I: GenericImage<Pixel=P>, P: Pixel<Subpixel=S> + 'static, S: Primitive + 'static, W: Write + 'a {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_agb`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn new_agb(write: &'a mut W) -> AGB16Encoder<'a, W> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_ntr`
[INFO] [stderr]    --> src/awsmimg/formats/agb.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn new_ntr(write: &'a mut W) -> AGB16Encoder<'a, W> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DirectFormat`
[INFO] [stderr]   --> src/awsmimg/formats/mod.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub enum DirectFormat {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `interpret_direct_format_name`
[INFO] [stderr]   --> src/awsmimg/formats/mod.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn interpret_direct_format_name(fmt_given: &str) -> Option<DirectFormat> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/awsmimg/compression/agb.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn new(r: &'a mut R) -> AGBHuffmanDecompressor<'a, R> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn new(w: &'a mut W, bits_per_symbol: u8) -> AGBHuffmanCompressor<'a, W> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize_huffman_tree`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn serialize_huffman_tree(&self, tree: &AGBHuffmanTree) -> Vec<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_huffman_header`
[INFO] [stderr]    --> src/awsmimg/compression/agb.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 |     fn write_huffman_header(&mut self, rootnode: usize) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c5042e31659af16dedfafb8cb4b4947d893ce3b7d1a34d22112739accf01ec99"`
[INFO] running `"docker" "rm" "-f" "c5042e31659af16dedfafb8cb4b4947d893ce3b7d1a34d22112739accf01ec99"`
[INFO] [stdout] c5042e31659af16dedfafb8cb4b4947d893ce3b7d1a34d22112739accf01ec99
