[INFO] fetching crate stego_rust 0.1.0...
[INFO] building stego_rust-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stego_rust 0.1.0 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stego_rust 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de30c88479df5bdf5896af2d6e3634b0c85c4b3b9b57c7b31b9ded6d904e9106
[INFO] running `Command { std: "docker" "start" "-a" "de30c88479df5bdf5896af2d6e3634b0c85c4b3b9b57c7b31b9ded6d904e9106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de30c88479df5bdf5896af2d6e3634b0c85c4b3b9b57c7b31b9ded6d904e9106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de30c88479df5bdf5896af2d6e3634b0c85c4b3b9b57c7b31b9ded6d904e9106", kill_on_drop: false }`
[INFO] [stdout] de30c88479df5bdf5896af2d6e3634b0c85c4b3b9b57c7b31b9ded6d904e9106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d7c11c70e47924d507df2f4a7c22aa456cb4ae469a2b4f512537d654491cb83
[INFO] running `Command { std: "docker" "start" "-a" "3d7c11c70e47924d507df2f4a7c22aa456cb4ae469a2b4f512537d654491cb83", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ghash v0.5.1
[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 jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tiff v0.9.1
[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 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 30.01s
[INFO] running `Command { std: "docker" "inspect" "3d7c11c70e47924d507df2f4a7c22aa456cb4ae469a2b4f512537d654491cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7c11c70e47924d507df2f4a7c22aa456cb4ae469a2b4f512537d654491cb83", kill_on_drop: false }`
[INFO] [stdout] 3d7c11c70e47924d507df2f4a7c22aa456cb4ae469a2b4f512537d654491cb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94b6659305b3eb01e584686431ef941743793c3db8acd6694b436fa4983c082
[INFO] running `Command { std: "docker" "start" "-a" "b94b6659305b3eb01e584686431ef941743793c3db8acd6694b436fa4983c082", kill_on_drop: false }`
[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] [stderr]    Compiling stego_rust v0.1.0 (/opt/rustwide/workdir)
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "b94b6659305b3eb01e584686431ef941743793c3db8acd6694b436fa4983c082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94b6659305b3eb01e584686431ef941743793c3db8acd6694b436fa4983c082", kill_on_drop: false }`
[INFO] [stdout] b94b6659305b3eb01e584686431ef941743793c3db8acd6694b436fa4983c082
