[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 master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luweiba/random-matrix-steganography-in-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-4/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79bcfdc2817c79d6612b7f81b38d77e1fe40e686b464c9eb34ff78281cff53b3 [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" "79bcfdc2817c79d6612b7f81b38d77e1fe40e686b464c9eb34ff78281cff53b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79bcfdc2817c79d6612b7f81b38d77e1fe40e686b464c9eb34ff78281cff53b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79bcfdc2817c79d6612b7f81b38d77e1fe40e686b464c9eb34ff78281cff53b3", kill_on_drop: false }` [INFO] [stdout] 79bcfdc2817c79d6612b7f81b38d77e1fe40e686b464c9eb34ff78281cff53b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5e99889d890a03c477033990d067fec89613d65b4dcb5166011c4b7a46fc731 [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" "e5e99889d890a03c477033990d067fec89613d65b4dcb5166011c4b7a46fc731", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [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 num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking tiff v0.6.0 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Compiling structopt-derive v0.4.13 [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:50:13 [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:52:13 [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:57:13 [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:59:13 [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:111:13 [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:117:13 [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:119:13 [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:50:13 [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:52:13 [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:57:13 [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:59:13 [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:111:13 [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:117:13 [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:119:13 [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 54.01s [INFO] running `Command { std: "docker" "inspect" "e5e99889d890a03c477033990d067fec89613d65b4dcb5166011c4b7a46fc731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5e99889d890a03c477033990d067fec89613d65b4dcb5166011c4b7a46fc731", kill_on_drop: false }` [INFO] [stdout] e5e99889d890a03c477033990d067fec89613d65b4dcb5166011c4b7a46fc731