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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a9e3341ded881cfe346b0aff9310da0593a862
[INFO] building ytg32/rust_exam against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytg32%2Frust_exam" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/ytg32/rust_exam on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling final_exercice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_max_iterations` is never used
[INFO] [stdout]  --> src/mandelbrot.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColorMap {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 7 |     fn color(&self, i: u32) -> image::Rgb<u8>;
[INFO] [stdout] 8 |     fn get_max_iterations(&self) -> u32;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] running `Command { std: "docker" "inspect" "384cef3aadb74c4d4b039aa66516476f7fdba2e98d8e74e17a21fd28d7bc88f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384cef3aadb74c4d4b039aa66516476f7fdba2e98d8e74e17a21fd28d7bc88f1", kill_on_drop: false }`
[INFO] [stdout] 384cef3aadb74c4d4b039aa66516476f7fdba2e98d8e74e17a21fd28d7bc88f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db42ca2ca886010976ff0a8279942351a27644d85e0a9137b12c2cac1140b313
[INFO] running `Command { std: "docker" "start" "-a" "db42ca2ca886010976ff0a8279942351a27644d85e0a9137b12c2cac1140b313", kill_on_drop: false }`
[INFO] [stderr]    Compiling final_exercice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_max_iterations` is never used
[INFO] [stdout]  --> src/mandelbrot.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColorMap {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 7 |     fn color(&self, i: u32) -> image::Rgb<u8>;
[INFO] [stdout] 8 |     fn get_max_iterations(&self) -> u32;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "db42ca2ca886010976ff0a8279942351a27644d85e0a9137b12c2cac1140b313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db42ca2ca886010976ff0a8279942351a27644d85e0a9137b12c2cac1140b313", kill_on_drop: false }`
[INFO] [stdout] db42ca2ca886010976ff0a8279942351a27644d85e0a9137b12c2cac1140b313