[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] testing timelessnesses/mandelbrot.png against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Fmandelbrot.png" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timelessnesses/mandelbrot.png on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.18
[INFO] [stderr]   Downloaded dwrote v0.11.1
[INFO] [stderr]   Downloaded portable-atomic v1.7.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.2
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf2c7df4fe84927c5687d06e870d7b230b774d425b8c9077faf6a5ccbcc8cbb
[INFO] running `Command { std: "docker" "start" "-a" "bcf2c7df4fe84927c5687d06e870d7b230b774d425b8c9077faf6a5ccbcc8cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf2c7df4fe84927c5687d06e870d7b230b774d425b8c9077faf6a5ccbcc8cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf2c7df4fe84927c5687d06e870d7b230b774d425b8c9077faf6a5ccbcc8cbb", kill_on_drop: false }`
[INFO] [stdout] bcf2c7df4fe84927c5687d06e870d7b230b774d425b8c9077faf6a5ccbcc8cbb
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0761f6167ecf02eeb87d4ce28deee676e85b949aa0cca62db6503d88a03cddb4
[INFO] running `Command { std: "docker" "start" "-a" "0761f6167ecf02eeb87d4ce28deee676e85b949aa0cca62db6503d88a03cddb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] 
[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 11.57s
[INFO] running `Command { std: "docker" "inspect" "0761f6167ecf02eeb87d4ce28deee676e85b949aa0cca62db6503d88a03cddb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0761f6167ecf02eeb87d4ce28deee676e85b949aa0cca62db6503d88a03cddb4", kill_on_drop: false }`
[INFO] [stdout] 0761f6167ecf02eeb87d4ce28deee676e85b949aa0cca62db6503d88a03cddb4
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0c344a6816f5b0cfada5521f3fb6c3ae334989c2993102a15c2191dd730123
[INFO] running `Command { std: "docker" "start" "-a" "7e0c344a6816f5b0cfada5521f3fb6c3ae334989c2993102a15c2191dd730123", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] 
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "7e0c344a6816f5b0cfada5521f3fb6c3ae334989c2993102a15c2191dd730123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0c344a6816f5b0cfada5521f3fb6c3ae334989c2993102a15c2191dd730123", kill_on_drop: false }`
[INFO] [stdout] 7e0c344a6816f5b0cfada5521f3fb6c3ae334989c2993102a15c2191dd730123
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 364e51b5a3c980b3971efff4041861493a75e1e10f5976511e9f874950f5562e
[INFO] running `Command { std: "docker" "start" "-a" "364e51b5a3c980b3971efff4041861493a75e1e10f5976511e9f874950f5562e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Z` is never constructed
[INFO] [stderr]  --> src/main.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Z {
[INFO] [stderr]   |        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ZBuilder` is never constructed
[INFO] [stderr]   --> src/main.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct ZBuilder {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `z`, `c`, `limit`, and `build` are never used
[INFO] [stderr]   --> src/main.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | impl ZBuilder {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 41 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn z(self, z: i128) -> Self {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn c(self, c: i128) -> Self {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn limit(self, limit: u128) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn build(self) -> Z {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mandelbrot` is never used
[INFO] [stderr]   --> src/main.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn mandelbrot(c: i128) -> ZBuilder {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `julia` is never used
[INFO] [stderr]   --> src/main.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn julia(c: i128, p: i128) -> ZBuilder {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-c91ddf4af36e7447)
[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" "364e51b5a3c980b3971efff4041861493a75e1e10f5976511e9f874950f5562e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364e51b5a3c980b3971efff4041861493a75e1e10f5976511e9f874950f5562e", kill_on_drop: false }`
[INFO] [stdout] 364e51b5a3c980b3971efff4041861493a75e1e10f5976511e9f874950f5562e