[INFO] cloning repository https://github.com/uek-1/pngpeg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uek-1/pngpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/uek-1/pngpeg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uek-1/pngpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7efed94148a71fb192cba9786048a2b02451edc
[INFO] testing uek-1/pngpeg against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uek-1/pngpeg on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uek-1/pngpeg
[INFO] finished tweaking git repo https://github.com/uek-1/pngpeg
[INFO] tweaked toml for git repo https://github.com/uek-1/pngpeg written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/uek-1/pngpeg 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ef63d4fbc8f3bc290d0beb6bf6318e315736d6560ebfe4baef2522d33b686c
[INFO] running `Command { std: "docker" "start" "-a" "51ef63d4fbc8f3bc290d0beb6bf6318e315736d6560ebfe4baef2522d33b686c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ef63d4fbc8f3bc290d0beb6bf6318e315736d6560ebfe4baef2522d33b686c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ef63d4fbc8f3bc290d0beb6bf6318e315736d6560ebfe4baef2522d33b686c", kill_on_drop: false }`
[INFO] [stdout] 51ef63d4fbc8f3bc290d0beb6bf6318e315736d6560ebfe4baef2522d33b686c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d863d1a261216899b398497a66c87cb0d4ccabb87710daa9fea26ab9fb36367d
[INFO] running `Command { std: "docker" "start" "-a" "d863d1a261216899b398497a66c87cb0d4ccabb87710daa9fea26ab9fb36367d", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling pngpeg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ColorType` and `Pixel`
[INFO] [stdout]  --> src/jpeg.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{pixel::{Pixel, Pixels, ColorType}, png::DecPng};
[INFO] [stdout]   |                     ^^^^^          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/jpeg.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]  --> src/jpeg.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecJpeg` and `EncJpeg`
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use jpeg::{EncJpeg, DecJpeg};
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/jpeg.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn from(pixels : Pixels) -> JpegBlocks {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/jpeg.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let blocks = JpegBlocks::from(subsampled);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig_zag`
[INFO] [stdout]    --> src/utils.rs:992:27
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zig_zag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_dc`
[INFO] [stdout]    --> src/utils.rs:992:46
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_dc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Png` is never used
[INFO] [stdout]  --> src/png.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Png {
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_scanlines` are never used
[INFO] [stdout]    --> src/png.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 270 | impl DecPng {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 271 |     pub fn new() -> DecPng {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub fn set_scanlines(&mut self, scanlines: Vec<Vec<Pixel>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `luma`, `diff_blue`, and `diff_red` are never read
[INFO] [stdout]  --> src/jpeg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct JpegBlock {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 6 |     luma : Vec<Vec<u8>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     diff_blue : Vec<Vec<u8>>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     diff_red : Vec<Vec<u8>>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/jpeg.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl JpegBlock {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(luma : Vec<Vec<u8>>, diff_blue : Vec<Vec<u8>>, diff_red : Vec<Vec<u8>>) -> JpegBlock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/jpeg.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct JpegBlocks(Vec<JpegBlock>);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to_path` is never used
[INFO] [stdout]   --> src/jpeg.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl EncJpeg {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 38 |     pub fn write_to_path(&self, path : String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_bits` and `print_current_byte` are never used
[INFO] [stdout]    --> src/utils.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl Bits {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn write_bits(&mut self, input: u32, num : usize) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn print_current_byte(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_dct_matrix` is never used
[INFO] [stdout]    --> src/utils.rs:868:4
[INFO] [stdout]     |
[INFO] [stdout] 868 | fn generate_dct_matrix() -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dct` is never used
[INFO] [stdout]    --> src/utils.rs:881:8
[INFO] [stdout]     |
[INFO] [stdout] 881 | pub fn dct(block: Vec<Vec<u8>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_luma` is never used
[INFO] [stdout]    --> src/utils.rs:915:8
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub fn quantize_luma(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_chrom` is never used
[INFO] [stdout]    --> src/utils.rs:941:8
[INFO] [stdout]     |
[INFO] [stdout] 941 | pub fn quantize_chrom(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zig_zag` is never used
[INFO] [stdout]    --> src/utils.rs:968:8
[INFO] [stdout]     |
[INFO] [stdout] 968 | pub fn zig_zag<T : Copy>(matrix : Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_jpeg_stream` is never used
[INFO] [stdout]    --> src/utils.rs:992:8
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SubtractAmount` is never used
[INFO] [stdout]     --> src/utils.rs:1039:7
[INFO] [stdout]      |
[INFO] [stdout] 1039 | trait SubtractAmount<T> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MatrixMultiply` is never used
[INFO] [stdout]     --> src/utils.rs:1043:7
[INFO] [stdout]      |
[INFO] [stdout] 1043 | trait MatrixMultiply<T : Mul<Output = T> + Add<Output = T> +  From<u8> + Copy> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transpose` is never used
[INFO] [stdout]     --> src/utils.rs:1052:7
[INFO] [stdout]      |
[INFO] [stdout] 1052 | trait Transpose<T> {
[INFO] [stdout]      |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `channels` is never read
[INFO] [stdout]   --> src/pixel.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Pixel {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 39 |     color_type : ColorType,
[INFO] [stdout] 40 |     channels : usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pixel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/jpeg.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         std::fs::write(path, write_bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = std::fs::write(path, write_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "d863d1a261216899b398497a66c87cb0d4ccabb87710daa9fea26ab9fb36367d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d863d1a261216899b398497a66c87cb0d4ccabb87710daa9fea26ab9fb36367d", kill_on_drop: false }`
[INFO] [stdout] d863d1a261216899b398497a66c87cb0d4ccabb87710daa9fea26ab9fb36367d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131
[INFO] running `Command { std: "docker" "start" "-a" "b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error running hook #0: error running hook: exit status 1, stdout: , stderr: write /var/lib/docker/containers/b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131/hosts: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131", kill_on_drop: false }`
[INFO] [stdout] b8dd379b39469c4e709436f6fd967df0073e23c756c1fef9811ef1aa5a67e131