[INFO] cloning repository https://github.com/yangcancai/captcha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangcancai/captcha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangcancai%2Fcaptcha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangcancai%2Fcaptcha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9bfee770da5681ddb2a196eef7843872a3518f6
[INFO] testing yangcancai/captcha against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangcancai%2Fcaptcha" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yangcancai/captcha on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yangcancai/captcha
[INFO] finished tweaking git repo https://github.com/yangcancai/captcha
[INFO] tweaked toml for git repo https://github.com/yangcancai/captcha written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yangcancai/captcha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87f781ffe30bc92772b7b441409f6253a426f1439f55c74431a1370b5e495f15
[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" "87f781ffe30bc92772b7b441409f6253a426f1439f55c74431a1370b5e495f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f781ffe30bc92772b7b441409f6253a426f1439f55c74431a1370b5e495f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f781ffe30bc92772b7b441409f6253a426f1439f55c74431a1370b5e495f15", kill_on_drop: false }`
[INFO] [stdout] 87f781ffe30bc92772b7b441409f6253a426f1439f55c74431a1370b5e495f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0df4ba31db4e8651e77df1857098ce4e1d3320fe96df222d6d41f9d2fcf9c1d
[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" "b0df4ba31db4e8651e77df1857098ce4e1d3320fe96df222d6d41f9d2fcf9c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.6.0
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `image::DynamicImage`
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |  use image::DynamicImage; 
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 |  use image::GenericImage;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::DynamicImage`
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |  use image::DynamicImage; 
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/main.rs:71:78
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut original= image::open("images/jigsaw/original/bg1.png").unwrap().to_rgba();
[INFO] [stdout]    |                                                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/captcha.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let original_image = image::open(file).unwrap().to_rgba();
[INFO] [stdout]    |                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 |  use image::GenericImage;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `original` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...   let other_pixel = original.get_pixel(x+rand_x + slidingblock.width() + 10, y);
[INFO] [stdout]    |                         -------- immutable borrow occurs here
[INFO] [stdout] 85 | ...  // 干扰图增加阴影
[INFO] [stdout] 86 | ...   original.put_pixel(x + rand_x + slidingblock.width(), y + rand_y, image::Rgba([other_pixel[0], other_pixel[1], other_pixel[2], 200]));
[INFO] [stdout]    |       ^^^^^^^^ mutable borrow occurs here                                            ----------- immutable borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |  pub fn point(img: & mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x: i32, y: i32, offx: i32, offy: i32){
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub fn draw(img: &mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x1: i32, y1: i32,  r: i32){
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Error`
[INFO] [stdout]   --> src/captcha.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Error{
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dst_image`
[INFO] [stdout]   --> src/captcha.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |      dst_image: DynamicImage,
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dst_block`
[INFO] [stdout]   --> src/captcha.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |      dst_block: DynamicImage,
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/captcha.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |      x: u32,
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/captcha.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |      y: u32
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_captcha`
[INFO] [stdout]    --> src/captcha.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_captcha(&mut self) -> Result<&Pair, Error>{
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.09s
[INFO] running `Command { std: "docker" "inspect" "b0df4ba31db4e8651e77df1857098ce4e1d3320fe96df222d6d41f9d2fcf9c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0df4ba31db4e8651e77df1857098ce4e1d3320fe96df222d6d41f9d2fcf9c1d", kill_on_drop: false }`
[INFO] [stdout] b0df4ba31db4e8651e77df1857098ce4e1d3320fe96df222d6d41f9d2fcf9c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4988d29b59990836f8d55d745adfdd0f4e1fe705c8eae2f5d9747e30c2034ec8
[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" "4988d29b59990836f8d55d745adfdd0f4e1fe705c8eae2f5d9747e30c2034ec8", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `image::DynamicImage`
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |  use image::DynamicImage; 
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 |  use image::GenericImage;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::DynamicImage`
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |  use image::DynamicImage; 
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::DynamicImage`
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |  use image::DynamicImage; 
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 |  use image::GenericImage;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/main.rs:71:78
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut original= image::open("images/jigsaw/original/bg1.png").unwrap().to_rgba();
[INFO] [stdout]    |                                                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stdout]   --> src/captcha.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let original_image = image::open(file).unwrap().to_rgba();
[INFO] [stdout]    |                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GenericImage`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 |  use image::GenericImage;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `original` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...   let other_pixel = original.get_pixel(x+rand_x + slidingblock.width() + 10, y);
[INFO] [stdout]    |                         -------- immutable borrow occurs here
[INFO] [stdout] 85 | ...  // 干扰图增加阴影
[INFO] [stdout] 86 | ...   original.put_pixel(x + rand_x + slidingblock.width(), y + rand_y, image::Rgba([other_pixel[0], other_pixel[1], other_pixel[2], 200]));
[INFO] [stdout]    |       ^^^^^^^^ mutable borrow occurs here                                            ----------- immutable borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `point`
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |  pub fn point(img: & mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x: i32, y: i32, offx: i32, offy: i32){
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub fn draw(img: &mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x1: i32, y1: i32,  r: i32){
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Error`
[INFO] [stdout]   --> src/captcha.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Error{
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dst_image`
[INFO] [stdout]   --> src/captcha.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |      dst_image: DynamicImage,
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dst_block`
[INFO] [stdout]   --> src/captcha.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |      dst_block: DynamicImage,
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/captcha.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |      x: u32,
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/captcha.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |      y: u32
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_captcha`
[INFO] [stdout]    --> src/captcha.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_captcha(&mut self) -> Result<&Pair, Error>{
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "4988d29b59990836f8d55d745adfdd0f4e1fe705c8eae2f5d9747e30c2034ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4988d29b59990836f8d55d745adfdd0f4e1fe705c8eae2f5d9747e30c2034ec8", kill_on_drop: false }`
[INFO] [stdout] 4988d29b59990836f8d55d745adfdd0f4e1fe705c8eae2f5d9747e30c2034ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a8d763a3d2e21c2ec0a884a6d725b0c88a0f812ea242b727119c90eb6c5ba07
[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" "3a8d763a3d2e21c2ec0a884a6d725b0c88a0f812ea242b727119c90eb6c5ba07", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `image::DynamicImage`
[INFO] [stderr]  --> src/lib.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |  use image::DynamicImage; 
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 |  use image::GenericImage;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::DynamicImage`
[INFO] [stderr]  --> src/lib.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |  use image::DynamicImage; 
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 |  use image::GenericImage;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::DynamicImage`
[INFO] [stderr]  --> src/lib.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |  use image::DynamicImage; 
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stderr]   --> src/main.rs:71:78
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut original= image::open("images/jigsaw/original/bg1.png").unwrap().to_rgba();
[INFO] [stderr]    |                                                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `lib::image::DynamicImage::to_rgba`: replaced by `to_rgba8`
[INFO] [stderr]   --> src/captcha.rs:56:57
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let original_image = image::open(file).unwrap().to_rgba();
[INFO] [stderr]    |                                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 |  use image::GenericImage;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `original` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:86:14
[INFO] [stderr]    |
[INFO] [stderr] 84 | ...   let other_pixel = original.get_pixel(x+rand_x + slidingblock.width() + 10, y);
[INFO] [stderr]    |                         -------- immutable borrow occurs here
[INFO] [stderr] 85 | ...  // 干扰图增加阴影
[INFO] [stderr] 86 | ...   original.put_pixel(x + rand_x + slidingblock.width(), y + rand_y, image::Rgba([other_pixel[0], other_pixel[1], other_pixel[2], 200]));
[INFO] [stderr]    |       ^^^^^^^^ mutable borrow occurs here                                            ----------- immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `point`
[INFO] [stderr]    --> src/lib.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |  pub fn point(img: & mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x: i32, y: i32, offx: i32, offy: i32){
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]    --> src/lib.rs:210:8
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub fn draw(img: &mut image::ImageBuffer<Rgba<u8>, Vec<u8>>, x1: i32, y1: i32,  r: i32){
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/captcha.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Error{
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dst_image`
[INFO] [stderr]   --> src/captcha.rs:21:6
[INFO] [stderr]    |
[INFO] [stderr] 21 |      dst_image: DynamicImage,
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dst_block`
[INFO] [stderr]   --> src/captcha.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |      dst_block: DynamicImage,
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/captcha.rs:23:6
[INFO] [stderr]    |
[INFO] [stderr] 23 |      x: u32,
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/captcha.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |      y: u32
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_captcha`
[INFO] [stderr]    --> src/captcha.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_captcha(&mut self) -> Result<&Pair, Error>{
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/captcha-9ec64b1f2bb5fbd4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/captcha-f953b7acf8a756ba
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests captcha
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a8d763a3d2e21c2ec0a884a6d725b0c88a0f812ea242b727119c90eb6c5ba07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8d763a3d2e21c2ec0a884a6d725b0c88a0f812ea242b727119c90eb6c5ba07", kill_on_drop: false }`
[INFO] [stdout] 3a8d763a3d2e21c2ec0a884a6d725b0c88a0f812ea242b727119c90eb6c5ba07