[INFO] fetching crate stego_rust 0.1.0...
[INFO] building stego_rust-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate stego_rust 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stego_rust 0.1.0
[INFO] finished tweaking crates.io crate stego_rust 0.1.0
[INFO] tweaked toml for crates.io crate stego_rust 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stego_rust 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stego_rust 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c6f53fd4c6121d31a8687ad3137505c380b5c1521c64f38c839362dcc96e64
[INFO] running `Command { std: "docker" "start" "-a" "c6c6f53fd4c6121d31a8687ad3137505c380b5c1521c64f38c839362dcc96e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c6f53fd4c6121d31a8687ad3137505c380b5c1521c64f38c839362dcc96e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c6f53fd4c6121d31a8687ad3137505c380b5c1521c64f38c839362dcc96e64", kill_on_drop: false }`
[INFO] [stdout] c6c6f53fd4c6121d31a8687ad3137505c380b5c1521c64f38c839362dcc96e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4ea709b310af08e9321a39589ef2fa86e8a09ee58bc29802c9fdafea33d9ee
[INFO] running `Command { std: "docker" "start" "-a" "2b4ea709b310af08e9321a39589ef2fa86e8a09ee58bc29802c9fdafea33d9ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling rusqlite v0.29.0
[INFO] [stderr]    Compiling stego_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DynamicImage` and `ImageBuffer`
[INFO] [stdout]  --> src/core/encoder.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView, ImageBuffer, 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: `Rng`
[INFO] [stdout]  --> src/core/encoder.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{random, Rng};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/core/encoder.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]   --> src/core/encoder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::BufWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Compression`, `Encoder`, and `FilterType`
[INFO] [stdout]   --> src/core/encoder.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use png::{Encoder, Compression, FilterType};
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/core/decoder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImageView`
[INFO] [stdout]  --> src/core/decoder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::GenericImageView;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_used_bytes` is never used
[INFO] [stdout]    --> src/core/encoder.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn count_used_bytes(img: &RgbImage, bits_per_channel: u8) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.22s
[INFO] running `Command { std: "docker" "inspect" "2b4ea709b310af08e9321a39589ef2fa86e8a09ee58bc29802c9fdafea33d9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4ea709b310af08e9321a39589ef2fa86e8a09ee58bc29802c9fdafea33d9ee", kill_on_drop: false }`
[INFO] [stdout] 2b4ea709b310af08e9321a39589ef2fa86e8a09ee58bc29802c9fdafea33d9ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5a78267e6a33106c7ffa5c115e889244735f3f703af50783269682be56cca8
[INFO] running `Command { std: "docker" "start" "-a" "fe5a78267e6a33106c7ffa5c115e889244735f3f703af50783269682be56cca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stego_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DynamicImage` and `ImageBuffer`
[INFO] [stdout]  --> src/core/encoder.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView, ImageBuffer, 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: `Rng`
[INFO] [stdout]  --> src/core/encoder.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{random, Rng};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/core/encoder.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]   --> src/core/encoder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::BufWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Compression`, `Encoder`, and `FilterType`
[INFO] [stdout]   --> src/core/encoder.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use png::{Encoder, Compression, FilterType};
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/core/decoder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImageView`
[INFO] [stdout]  --> src/core/decoder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::GenericImageView;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_used_bytes` is never used
[INFO] [stdout]    --> src/core/encoder.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn count_used_bytes(img: &RgbImage, bits_per_channel: u8) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DynamicImage` and `ImageBuffer`
[INFO] [stdout]  --> src/core/encoder.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView, ImageBuffer, 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: `Rng`
[INFO] [stdout]  --> src/core/encoder.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{random, Rng};
[INFO] [stdout]   |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/core/encoder.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]   --> src/core/encoder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::BufWriter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Compression`, `Encoder`, and `FilterType`
[INFO] [stdout]   --> src/core/encoder.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use png::{Encoder, Compression, FilterType};
[INFO] [stdout]    |           ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/core/decoder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImageView`
[INFO] [stdout]  --> src/core/decoder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::GenericImageView;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_used_bytes` is never used
[INFO] [stdout]    --> src/core/encoder.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn count_used_bytes(img: &RgbImage, bits_per_channel: u8) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "fe5a78267e6a33106c7ffa5c115e889244735f3f703af50783269682be56cca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5a78267e6a33106c7ffa5c115e889244735f3f703af50783269682be56cca8", kill_on_drop: false }`
[INFO] [stdout] fe5a78267e6a33106c7ffa5c115e889244735f3f703af50783269682be56cca8
