[INFO] cloning repository https://github.com/rmoalic/rust-image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmoalic/rust-image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmoalic%2Frust-image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmoalic%2Frust-image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ed34c82e89a11e7c5f98f5014804df489b753a
[INFO] testing rmoalic/rust-image against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmoalic%2Frust-image" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmoalic/rust-image on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmoalic/rust-image
[INFO] finished tweaking git repo https://github.com/rmoalic/rust-image
[INFO] tweaked toml for git repo https://github.com/rmoalic/rust-image written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/rmoalic/rust-image already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3cb9a3c46082ff75e9bcaa7e645d5d8026fa47bb5e6a63834855efdc5c20ede
[INFO] running `Command { std: "docker" "start" "-a" "f3cb9a3c46082ff75e9bcaa7e645d5d8026fa47bb5e6a63834855efdc5c20ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3cb9a3c46082ff75e9bcaa7e645d5d8026fa47bb5e6a63834855efdc5c20ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cb9a3c46082ff75e9bcaa7e645d5d8026fa47bb5e6a63834855efdc5c20ede", kill_on_drop: false }`
[INFO] [stdout] f3cb9a3c46082ff75e9bcaa7e645d5d8026fa47bb5e6a63834855efdc5c20ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 553681f293000750dc5cc28a17914d331fe8abfcdcd982990918ff4b90c4d364
[INFO] running `Command { std: "docker" "start" "-a" "553681f293000750dc5cc28a17914d331fe8abfcdcd982990918ff4b90c4d364", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling polms_image v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `RGBA`
[INFO] [stdout]  --> src/image.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RGBA,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `G`
[INFO] [stdout]  --> src/image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     G
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOD_ADLER32`
[INFO] [stdout]  --> src/hashs/adler32.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const MOD_ADLER32: u32 = 65521;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Adler32`
[INFO] [stdout]  --> src/hashs/adler32.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Adler32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/hashs/adler32.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Adler32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/hashs/adler32.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn update(&mut self, data: &[u8]) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finalise`
[INFO] [stdout]   --> src/hashs/adler32.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn finalise(&mut self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `posl_substr_overlap`
[INFO] [stdout]  --> src/compress/lz77.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn posl_substr_overlap(d: &[u8], w: &[u8]) -> Option<(usize, usize)> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compress`
[INFO] [stdout]   --> src/compress/lz77.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn compress(data: &[u8], window_size: usize) -> Vec<(usize, usize, u8)> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decompress`
[INFO] [stdout]   --> src/compress/lz77.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn decompress(compressed_data: Vec<(usize, usize, u8)>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bit_depth`
[INFO] [stdout]   --> src/codecs/png/png.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     bit_depth: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compression_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     compression_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filter_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     filter_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interlace_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     interlace_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "553681f293000750dc5cc28a17914d331fe8abfcdcd982990918ff4b90c4d364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553681f293000750dc5cc28a17914d331fe8abfcdcd982990918ff4b90c4d364", kill_on_drop: false }`
[INFO] [stdout] 553681f293000750dc5cc28a17914d331fe8abfcdcd982990918ff4b90c4d364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94da662d9ac5e34240f196e19168c909565da4b0a6751604693ea5debaf8fa21
[INFO] running `Command { std: "docker" "start" "-a" "94da662d9ac5e34240f196e19168c909565da4b0a6751604693ea5debaf8fa21", kill_on_drop: false }`
[INFO] [stderr]    Compiling polms_image v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `RGBA`
[INFO] [stdout]  --> src/image.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RGBA,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `G`
[INFO] [stdout]  --> src/image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     G
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bit_depth`
[INFO] [stdout]   --> src/codecs/png/png.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     bit_depth: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compression_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     compression_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filter_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     filter_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interlace_method`
[INFO] [stdout]   --> src/codecs/png/png.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     interlace_method: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/codecs/png/png.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/polms_image-ae31be1f8ce48048)
[INFO] running `Command { std: "docker" "inspect" "94da662d9ac5e34240f196e19168c909565da4b0a6751604693ea5debaf8fa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94da662d9ac5e34240f196e19168c909565da4b0a6751604693ea5debaf8fa21", kill_on_drop: false }`
[INFO] [stdout] 94da662d9ac5e34240f196e19168c909565da4b0a6751604693ea5debaf8fa21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0f7dde112935fd7be73ba71b3acfee88e04a6eb076e1ec966a7ba0d44138822
[INFO] running `Command { std: "docker" "start" "-a" "b0f7dde112935fd7be73ba71b3acfee88e04a6eb076e1ec966a7ba0d44138822", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `RGBA`
[INFO] [stdout] 
[INFO] [stderr]  --> src/image.rs:7:5
[INFO] [stdout] running 12 tests
[INFO] [stderr]   |
[INFO] [stderr] 7 |     RGBA,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G`
[INFO] [stderr]  --> src/image.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     G
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bit_depth`
[INFO] [stderr]   --> src/codecs/png/png.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     bit_depth: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/codecs/png/png.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `compression_method`
[INFO] [stderr]   --> src/codecs/png/png.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     compression_method: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/codecs/png/png.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filter_method`
[INFO] [stderr]   --> src/codecs/png/png.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     filter_method: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/codecs/png/png.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `interlace_method`
[INFO] [stderr]   --> src/codecs/png/png.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     interlace_method: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IHDR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/codecs/png/png.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `polms_image` (bin "polms_image" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polms_image-ae31be1f8ce48048)
[INFO] [stdout] test compress::lz77::test_compress_decompress ... ok
[INFO] [stdout] test compress::lz77::test_compress_overlapping ... ok
[INFO] [stdout] test compress::lz77::test_compress_simple ... ok
[INFO] [stdout] test compress::lz77::test_posl_substr_overlap ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_big_update ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_big_update_rollover ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_double_finalise ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_empty_update ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_multi_update ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_no_update ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_simple ... ok
[INFO] [stdout] test hashs::adler32::test_alder32_big_big_update_rollover ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0f7dde112935fd7be73ba71b3acfee88e04a6eb076e1ec966a7ba0d44138822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f7dde112935fd7be73ba71b3acfee88e04a6eb076e1ec966a7ba0d44138822", kill_on_drop: false }`
[INFO] [stdout] b0f7dde112935fd7be73ba71b3acfee88e04a6eb076e1ec966a7ba0d44138822