[INFO] cloning repository https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luweiba/random-matrix-steganography-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 611dbe7c5a1d1c9c4b8db0239aabada7a4223a0f [INFO] checking Luweiba/random-matrix-steganography-in-rust against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luweiba/random-matrix-steganography-in-rust on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] finished tweaking git repo https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] tweaked toml for git repo https://github.com/Luweiba/random-matrix-steganography-in-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Luweiba/random-matrix-steganography-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aabf3e6e7de5df9b352a9d7a858936069877ec13ed955b4e2badea86492a8cd6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "aabf3e6e7de5df9b352a9d7a858936069877ec13ed955b4e2badea86492a8cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aabf3e6e7de5df9b352a9d7a858936069877ec13ed955b4e2badea86492a8cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aabf3e6e7de5df9b352a9d7a858936069877ec13ed955b4e2badea86492a8cd6", kill_on_drop: false }` [INFO] [stdout] aabf3e6e7de5df9b352a9d7a858936069877ec13ed955b4e2badea86492a8cd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb9963aeef7e393923a3a3cb7f33762035a0e81c5e5e5b91abb116ba9f89ad09 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cb9963aeef7e393923a3a3cb7f33762035a0e81c5e5e5b91abb116ba9f89ad09", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking tiff v0.6.0 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking random_matrix_steganography v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/steganography.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DynamicImage`, `RgbImage`, `Rgb` [INFO] [stdout] --> src/steganography.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use image::{DynamicImage, GenericImageView, RgbImage, Rgb, ImageBuffer, Rgba, RgbaImage, EncodableLayout}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::StdRng` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::rngs::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng` [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::{SeedableRng, Rng}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_matrix::RandMatrix` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use random_matrix::RandMatrix; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/steganography.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DynamicImage`, `RgbImage`, `Rgb` [INFO] [stdout] --> src/steganography.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use image::{DynamicImage, GenericImageView, RgbImage, Rgb, ImageBuffer, Rgba, RgbaImage, EncodableLayout}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::StdRng` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::rngs::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng` [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::{SeedableRng, Rng}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_matrix::RandMatrix` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use random_matrix::RandMatrix; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_mut` is never read [INFO] [stdout] --> src/steganography.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut pixel_y_mut= &mut Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut g2_x= 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut g2_y= 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | let mut g2_x = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut g2_y = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/steganography.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | let len = cipher_text_in_9.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_mut` is never read [INFO] [stdout] --> src/steganography.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut pixel_y_mut= &mut Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut g2_x= 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut g2_y= 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | let mut g2_x = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut g2_y = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/steganography.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | let len = cipher_text_in_9.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.99s [INFO] running `Command { std: "docker" "inspect" "cb9963aeef7e393923a3a3cb7f33762035a0e81c5e5e5b91abb116ba9f89ad09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb9963aeef7e393923a3a3cb7f33762035a0e81c5e5e5b91abb116ba9f89ad09", kill_on_drop: false }` [INFO] [stdout] cb9963aeef7e393923a3a3cb7f33762035a0e81c5e5e5b91abb116ba9f89ad09