[INFO] fetching crate shadow-steganography 0.1.0...
[INFO] testing shadow-steganography-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate shadow-steganography 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate shadow-steganography 0.1.0
[INFO] finished tweaking crates.io crate shadow-steganography 0.1.0
[INFO] tweaked toml for crates.io crate shadow-steganography 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadow-steganography 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shadow-steganography 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded nalgebra v0.32.6
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[INFO] [stderr]    Compiling shadow-steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lsb.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout]     |                                 ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout] 105 +             let bits_to_embed = (data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RgbImage`
[INFO] [stdout]  --> src/image_stego.rs:4:71
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{DynamicImage, GenericImageView, ImageFormat as ImgFormat, RgbImage};
[INFO] [stdout]   |                                                                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shadow_core::error::Result`
[INFO] [stdout]  --> src/entropy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use shadow_core::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `ShadowError`
[INFO] [stdout]   --> src/lib.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 | use shadow_core::error::{Result, ShadowError};
[INFO] [stdout]    |                          ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsb.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut pixel_indices = self.generate_pixel_order(image_data.len());
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "60f0260387d2c4e4c916c97c04705830de48b9f6ab7b7a1174ee6c4b2cb76422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f0260387d2c4e4c916c97c04705830de48b9f6ab7b7a1174ee6c4b2cb76422", kill_on_drop: false }`
[INFO] [stdout] 60f0260387d2c4e4c916c97c04705830de48b9f6ab7b7a1174ee6c4b2cb76422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b04903713f2b8b564a0e940c213f623f1c534c3de7de0e978f1f539132169b18
[INFO] running `Command { std: "docker" "start" "-a" "b04903713f2b8b564a0e940c213f623f1c534c3de7de0e978f1f539132169b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lsb.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout]     |                                 ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout] 105 +             let bits_to_embed = (data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RgbImage`
[INFO] [stdout]  --> src/image_stego.rs:4:71
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{DynamicImage, GenericImageView, ImageFormat as ImgFormat, RgbImage};
[INFO] [stdout]   |                                                                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shadow_core::error::Result`
[INFO] [stdout]  --> src/entropy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use shadow_core::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `ShadowError`
[INFO] [stdout]   --> src/lib.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 | use shadow_core::error::{Result, ShadowError};
[INFO] [stdout]    |                          ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsb.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut pixel_indices = self.generate_pixel_order(image_data.len());
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lsb.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout]     |                                 ^                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stdout] 105 +             let bits_to_embed = (data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RgbImage`
[INFO] [stdout]  --> src/image_stego.rs:4:71
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{DynamicImage, GenericImageView, ImageFormat as ImgFormat, RgbImage};
[INFO] [stdout]   |                                                                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shadow_core::error::Result`
[INFO] [stdout]  --> src/entropy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use shadow_core::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `ShadowError`
[INFO] [stdout]   --> src/lib.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 | use shadow_core::error::{Result, ShadowError};
[INFO] [stdout]    |                          ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsb.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut pixel_indices = self.generate_pixel_order(image_data.len());
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "b04903713f2b8b564a0e940c213f623f1c534c3de7de0e978f1f539132169b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04903713f2b8b564a0e940c213f623f1c534c3de7de0e978f1f539132169b18", kill_on_drop: false }`
[INFO] [stdout] b04903713f2b8b564a0e940c213f623f1c534c3de7de0e978f1f539132169b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84ca70e26e566f2846ce20068126a8a356af0ce1b72fe028025c810c35e50304
[INFO] running `Command { std: "docker" "start" "-a" "84ca70e26e566f2846ce20068126a8a356af0ce1b72fe028025c810c35e50304", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lsb.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stderr]     |                                 ^                                                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 -             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stderr] 105 +             let bits_to_embed = (data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RgbImage`
[INFO] [stderr]  --> src/image_stego.rs:4:71
[INFO] [stderr]   |
[INFO] [stderr] 4 | use image::{DynamicImage, GenericImageView, ImageFormat as ImgFormat, RgbImage};
[INFO] [stderr]   |                                                                       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shadow_core::error::Result`
[INFO] [stderr]  --> src/entropy.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use shadow_core::error::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result` and `ShadowError`
[INFO] [stderr]   --> src/lib.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 | use shadow_core::error::{Result, ShadowError};
[INFO] [stderr]    |                          ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsb.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut pixel_indices = self.generate_pixel_order(image_data.len());
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shadow-steganography` (lib) generated 5 warnings (run `cargo fix --lib -p shadow-steganography` to apply 5 suggestions)
[INFO] [stderr] warning: `shadow-steganography` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shadow_steganography-3ddf92ce7b285b2f)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test entropy::tests::test_detection ... ok
[INFO] [stdout] test entropy::tests::test_shannon_entropy ... ok
[INFO] [stdout] test entropy::tests::test_chi_square ... ok
[INFO] [stdout] test image_stego::tests::test_capacity_calculation ... ok
[INFO] [stdout] test entropy::tests::test_entropy_matching ... ok
[INFO] [stdout] test image_stego::tests::test_image_format_suitability ... ok
[INFO] [stdout] test lsb::tests::test_lsb_capacity ... ok
[INFO] [stdout] test lsb::tests::test_lsb_embed_extract ... ok
[INFO] [stdout] test image_stego::tests::test_embedding_rate ... ok
[INFO] [stdout] test lsb::tests::test_lsb_with_randomization ... ok
[INFO] [stdout] test image_stego::tests::test_embed_extract ... ok
[INFO] [stdout] test lsb::tests::test_data_too_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shadow_steganography
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lsb.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stderr]     |                                 ^                                                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 -             let bits_to_embed = ((data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask);
[INFO] [stderr] 105 +             let bits_to_embed = (data_byte >> (8 - bit_offset - self.config.bits_per_channel as usize)) & mask;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84ca70e26e566f2846ce20068126a8a356af0ce1b72fe028025c810c35e50304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ca70e26e566f2846ce20068126a8a356af0ce1b72fe028025c810c35e50304", kill_on_drop: false }`
[INFO] [stdout] 84ca70e26e566f2846ce20068126a8a356af0ce1b72fe028025c810c35e50304
