[INFO] cloning repository https://github.com/timelessnesses/mandelbrot.png
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timelessnesses/mandelbrot.png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Fmandelbrot.png", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Fmandelbrot.png'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bee1e3efb04276011335d3173060a323dbbb221
[INFO] checking timelessnesses/mandelbrot.png against master#a9e7b30487235621751cc628f170c0f15fb215c4 for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Fmandelbrot.png" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timelessnesses/mandelbrot.png on toolchain a9e7b30487235621751cc628f170c0f15fb215c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timelessnesses/mandelbrot.png
[INFO] finished tweaking git repo https://github.com/timelessnesses/mandelbrot.png
[INFO] tweaked toml for git repo https://github.com/timelessnesses/mandelbrot.png written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/timelessnesses/mandelbrot.png 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" "+a9e7b30487235621751cc628f170c0f15fb215c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e4dc26e2b2aae965ae7a97d5d261ad13b12df66c217c395e23244ac3f740dd7
[INFO] running `Command { std: "docker" "start" "-a" "5e4dc26e2b2aae965ae7a97d5d261ad13b12df66c217c395e23244ac3f740dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4dc26e2b2aae965ae7a97d5d261ad13b12df66c217c395e23244ac3f740dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4dc26e2b2aae965ae7a97d5d261ad13b12df66c217c395e23244ac3f740dd7", kill_on_drop: false }`
[INFO] [stdout] 5e4dc26e2b2aae965ae7a97d5d261ad13b12df66c217c395e23244ac3f740dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89dae3551c5fb66d7a58669e508e360a44a729791fa53eb8d3f9030ff3b8c5ce
[INFO] running `Command { std: "docker" "start" "-a" "89dae3551c5fb66d7a58669e508e360a44a729791fa53eb8d3f9030ff3b8c5ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Z` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Z {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZBuilder` is never constructed
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ZBuilder {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZBuilder` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `z`, `c`, `limit`, and `build` are never used
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl ZBuilder {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 41 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn z(self, z: i128) -> Self {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn c(self, c: i128) -> Self {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn limit(self, limit: u128) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn build(self) -> Z {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn mandelbrot(c: i128) -> ZBuilder {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `julia` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn julia(c: i128, p: i128) -> ZBuilder {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Z` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Z {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZBuilder` is never constructed
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ZBuilder {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZBuilder` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `z`, `c`, `limit`, and `build` are never used
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl ZBuilder {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 41 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn z(self, z: i128) -> Self {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn c(self, c: i128) -> Self {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn limit(self, limit: u128) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn build(self) -> Z {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn mandelbrot(c: i128) -> ZBuilder {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `julia` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn julia(c: i128, p: i128) -> ZBuilder {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `Command { std: "docker" "inspect" "89dae3551c5fb66d7a58669e508e360a44a729791fa53eb8d3f9030ff3b8c5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dae3551c5fb66d7a58669e508e360a44a729791fa53eb8d3f9030ff3b8c5ce", kill_on_drop: false }`
[INFO] [stdout] 89dae3551c5fb66d7a58669e508e360a44a729791fa53eb8d3f9030ff3b8c5ce