[INFO] cloning repository https://github.com/martinszy/rustelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinszy/rustelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinszy%2Frustelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinszy%2Frustelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ade24a0eb1dd2922f5a6cc5909d17d5fdfd0e546
[INFO] testing martinszy/rustelbrot against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinszy%2Frustelbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinszy/rustelbrot on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martinszy/rustelbrot
[INFO] finished tweaking git repo https://github.com/martinszy/rustelbrot
[INFO] tweaked toml for git repo https://github.com/martinszy/rustelbrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martinszy/rustelbrot 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustelbrot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Gradient`, `Hsv`, `RgbHue`
[INFO] [stdout]   --> src/rustelbrot_3dlayers.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::palette::{Rgb, Hsv, RgbHue,Gradient};
[INFO] [stdout]    |                          ^^^  ^^^^^^ ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output_template` is never read
[INFO] [stdout]   --> src/rustelbrot.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Config<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     output_template:  &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e7a9b31811a077f019a8b37d34b5a6031764f49d6237b04b9ed3f8bc6501751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7a9b31811a077f019a8b37d34b5a6031764f49d6237b04b9ed3f8bc6501751", kill_on_drop: false }`
[INFO] [stdout] 7e7a9b31811a077f019a8b37d34b5a6031764f49d6237b04b9ed3f8bc6501751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78f25ac80702f3fc805e154543af45389de9ee449a0c1d52cc10be67bae77d1
[INFO] running `Command { std: "docker" "start" "-a" "b78f25ac80702f3fc805e154543af45389de9ee449a0c1d52cc10be67bae77d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustelbrot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Gradient`, `Hsv`, `RgbHue`
[INFO] [stdout]   --> src/rustelbrot_3dlayers.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::palette::{Rgb, Hsv, RgbHue,Gradient};
[INFO] [stdout]    |                          ^^^  ^^^^^^ ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output_template` is never read
[INFO] [stdout]   --> src/rustelbrot.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Config<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     output_template:  &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b78f25ac80702f3fc805e154543af45389de9ee449a0c1d52cc10be67bae77d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78f25ac80702f3fc805e154543af45389de9ee449a0c1d52cc10be67bae77d1", kill_on_drop: false }`
[INFO] [stdout] b78f25ac80702f3fc805e154543af45389de9ee449a0c1d52cc10be67bae77d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd97ea2fd927db87f34877ca532f818d999001467174d81a480837f1389ed287
[INFO] running `Command { std: "docker" "start" "-a" "bd97ea2fd927db87f34877ca532f818d999001467174d81a480837f1389ed287", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Gradient`, `Hsv`, `RgbHue`
[INFO] [stderr]   --> src/rustelbrot_3dlayers.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 | use self::palette::{Rgb, Hsv, RgbHue,Gradient};
[INFO] [stderr]    |                          ^^^  ^^^^^^ ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `output_template` is never read
[INFO] [stderr]   --> src/rustelbrot.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Config<'a> {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 47 |     output_template:  &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustelbrot` (bin "rustelbrot" test) generated 2 warnings (run `cargo fix --bin "rustelbrot" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/rustelbrot.rs (/opt/rustwide/target/debug/deps/rustelbrot-707f143a65279a92)
[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" "bd97ea2fd927db87f34877ca532f818d999001467174d81a480837f1389ed287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd97ea2fd927db87f34877ca532f818d999001467174d81a480837f1389ed287", kill_on_drop: false }`
[INFO] [stdout] bd97ea2fd927db87f34877ca532f818d999001467174d81a480837f1389ed287