[INFO] cloning repository https://github.com/zhouyuxiang0/imgWriter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhouyuxiang0/imgWriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhouyuxiang0%2FimgWriter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhouyuxiang0%2FimgWriter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ec5f973e890973d3881c0e24afa60814486230b
[INFO] checking zhouyuxiang0/imgWriter against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhouyuxiang0%2FimgWriter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhouyuxiang0/imgWriter
[INFO] finished tweaking git repo https://github.com/zhouyuxiang0/imgWriter
[INFO] tweaked toml for git repo https://github.com/zhouyuxiang0/imgWriter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhouyuxiang0/imgWriter on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhouyuxiang0/imgWriter 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1ddcfc887a21fcb0491b73215935c4708a9b70b168850beb4bfae6e46b671c9
[INFO] running `Command { std: "docker" "start" "-a" "a1ddcfc887a21fcb0491b73215935c4708a9b70b168850beb4bfae6e46b671c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1ddcfc887a21fcb0491b73215935c4708a9b70b168850beb4bfae6e46b671c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ddcfc887a21fcb0491b73215935c4708a9b70b168850beb4bfae6e46b671c9", kill_on_drop: false }`
[INFO] [stdout] a1ddcfc887a21fcb0491b73215935c4708a9b70b168850beb4bfae6e46b671c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb6ee91db58bef46008a0417e9c8a028cf4a39b5a45fb6a2ea97ec6a00bc84f
[INFO] running `Command { std: "docker" "start" "-a" "9cb6ee91db58bef46008a0417e9c8a028cf4a39b5a45fb6a2ea97ec6a00bc84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking bytemuck v1.8.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-bigint v0.3.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking jpeg-decoder v0.2.2
[INFO] [stderr]     Checking imageproc v0.22.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.11
[INFO] [stderr]     Checking exr v1.4.1
[INFO] [stderr]     Checking image v0.24.1
[INFO] [stderr]     Checking img v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Rgb`
[INFO] [stdout]  --> src/main.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImageView, Rgba, Rgb};
[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: `Rgb`
[INFO] [stdout]  --> src/main.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{GenericImageView, Rgba, Rgb};
[INFO] [stdout]   |                                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut output: image::RgbaImage = image::ImageBuffer::new(width, height);
[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: unused variable: `message_bits`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let message_bits = vec![get_bit_from_num(msg.chars().count() as u32), get_msg_bit(&msg)].concat();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_bits`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut output: image::RgbaImage = image::ImageBuffer::new(width, height);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_rgba` is never read
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         target_rgba = &Rgba([target_rgba[0], target_rgba[1], target_rgba[2], target_rgba[3]]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_msg` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn encode_msg(colors: &mut Vec<(u32, u32, Rgba<u8>)>, msg: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_next_location` is never used
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn get_next_location(history: &mut Vec<u32>, total: u32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_to_bin` is never used
[INFO] [stdout]    --> src/main.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn byte_to_bin(b: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn set_bit(num: &u8, location: &u8, bit: &u8) -> u8 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut output: image::RgbaImage = image::ImageBuffer::new(width, height);
[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: unused variable: `message_bits`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let message_bits = vec![get_bit_from_num(msg.chars().count() as u32), get_msg_bit(&msg)].concat();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_bits`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut output: image::RgbaImage = image::ImageBuffer::new(width, height);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_rgba` is never read
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         target_rgba = &Rgba([target_rgba[0], target_rgba[1], target_rgba[2], target_rgba[3]]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_msg` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn encode_msg(colors: &mut Vec<(u32, u32, Rgba<u8>)>, msg: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_next_location` is never used
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn get_next_location(history: &mut Vec<u32>, total: u32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_to_bin` is never used
[INFO] [stdout]    --> src/main.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn byte_to_bin(b: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn set_bit(num: &u8, location: &u8, bit: &u8) -> u8 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.67s
[INFO] running `Command { std: "docker" "inspect" "9cb6ee91db58bef46008a0417e9c8a028cf4a39b5a45fb6a2ea97ec6a00bc84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb6ee91db58bef46008a0417e9c8a028cf4a39b5a45fb6a2ea97ec6a00bc84f", kill_on_drop: false }`
[INFO] [stdout] 9cb6ee91db58bef46008a0417e9c8a028cf4a39b5a45fb6a2ea97ec6a00bc84f
