[INFO] cloning repository https://github.com/horowitzathome/mandel-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/horowitzathome/mandel-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorowitzathome%2Fmandel-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorowitzathome%2Fmandel-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62534c977172cdffd4b2feb90f0a769602199484
[INFO] checking horowitzathome/mandel-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorowitzathome%2Fmandel-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/horowitzathome/mandel-rust
[INFO] finished tweaking git repo https://github.com/horowitzathome/mandel-rust
[INFO] tweaked toml for git repo https://github.com/horowitzathome/mandel-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/horowitzathome/mandel-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/horowitzathome/mandel-rust 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded headers v0.3.8
[INFO] [stderr]   Downloaded axum v0.6.16
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a720b40fae5c2393088a7832894190db45892f0b6225608b3af4bf53ab18792
[INFO] running `Command { std: "docker" "start" "-a" "7a720b40fae5c2393088a7832894190db45892f0b6225608b3af4bf53ab18792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a720b40fae5c2393088a7832894190db45892f0b6225608b3af4bf53ab18792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a720b40fae5c2393088a7832894190db45892f0b6225608b3af4bf53ab18792", kill_on_drop: false }`
[INFO] [stdout] 7a720b40fae5c2393088a7832894190db45892f0b6225608b3af4bf53ab18792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84fc673dd1e8ccc9d3ea85d230fc74403e9ba33c25c84a2d3d86d5388088e6a9
[INFO] running `Command { std: "docker" "start" "-a" "84fc673dd1e8ccc9d3ea85d230fc74403e9ba33c25c84a2d3d86d5388088e6a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.16
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tower-http v0.4.0
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking serde_path_to_error v0.1.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking mandel-rust v0.1.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/mandel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[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: `tracing::info`
[INFO] [stdout]  --> src/mandel_memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/mandel_memory.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 |     while (z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter) {
[INFO] [stdout]    |           ^                                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     while (z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter) {
[INFO] [stdout] 82 +     while z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/mandel_new.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/mandel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[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: `tracing::info`
[INFO] [stdout]  --> src/mandel_memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/mandel_memory.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 |     while (z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter) {
[INFO] [stdout]    |           ^                                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     while (z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter) {
[INFO] [stdout] 82 +     while z.real * z.real + z.imaginary * z.imaginary < 4.0 && n < max_iter  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/mandel_new.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MandelSet` is never constructed
[INFO] [stdout]  --> src/mandel.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MandelSet {
[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 `mandel` is never used
[INFO] [stdout]  --> src/mandel.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn mandel(max_iter: u32) -> MandelSet {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot_set` is never used
[INFO] [stdout]   --> src/mandel.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn mandelbrot_set(c: (f64, f64), max_iter: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MandelSet` is never constructed
[INFO] [stdout]  --> src/mandel.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MandelSet {
[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 `mandel` is never used
[INFO] [stdout]  --> src/mandel.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn mandel(max_iter: u32) -> MandelSet {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot_set` is never used
[INFO] [stdout]   --> src/mandel.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn mandelbrot_set(c: (f64, f64), max_iter: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.66s
[INFO] running `Command { std: "docker" "inspect" "84fc673dd1e8ccc9d3ea85d230fc74403e9ba33c25c84a2d3d86d5388088e6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fc673dd1e8ccc9d3ea85d230fc74403e9ba33c25c84a2d3d86d5388088e6a9", kill_on_drop: false }`
[INFO] [stdout] 84fc673dd1e8ccc9d3ea85d230fc74403e9ba33c25c84a2d3d86d5388088e6a9
