[INFO] cloning repository https://github.com/ntwiles/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntwiles/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntwiles%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntwiles%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce37340848ce2cfd368288680576cf3467338e61
[INFO] building ntwiles/mandelbrot against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntwiles%2Fmandelbrot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ntwiles/mandelbrot on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ntwiles/mandelbrot
[INFO] finished tweaking git repo https://github.com/ntwiles/mandelbrot
[INFO] tweaked toml for git repo https://github.com/ntwiles/mandelbrot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ntwiles/mandelbrot 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca424ef76ec1198135ce0ea3e614454b4d14e0c3041b61dd033e90bb15d526c6
[INFO] running `Command { std: "docker" "start" "-a" "ca424ef76ec1198135ce0ea3e614454b4d14e0c3041b61dd033e90bb15d526c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca424ef76ec1198135ce0ea3e614454b4d14e0c3041b61dd033e90bb15d526c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca424ef76ec1198135ce0ea3e614454b4d14e0c3041b61dd033e90bb15d526c6", kill_on_drop: false }`
[INFO] [stdout] ca424ef76ec1198135ce0ea3e614454b4d14e0c3041b61dd033e90bb15d526c6
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc09d4f32c7cf60c2ca3362422d7b0a59c4b9c8effa8ba1f50283735bb30be5f
[INFO] running `Command { std: "docker" "start" "-a" "bc09d4f32c7cf60c2ca3362422d7b0a59c4b9c8effa8ba1f50283735bb30be5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling xml-rs v0.8.19
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[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
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[INFO] [stderr]    Compiling siphasher v0.3.11
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[INFO] [stderr]    Compiling wayland-commons v0.29.5
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[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling dotenv_codegen v0.15.0
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[INFO] [stderr]    Compiling csscolorparser v0.6.2
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[INFO] [stderr]    Compiling colorgrad v0.6.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling wgpu-hal v0.16.2
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling wgpu-core v0.16.1
[INFO] [stderr]    Compiling winit_input_helper v0.14.1
[INFO] [stderr]    Compiling wgpu v0.16.3
[INFO] [stderr]    Compiling pixels v0.13.0
[INFO] [stderr]    Compiling visualization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "bc09d4f32c7cf60c2ca3362422d7b0a59c4b9c8effa8ba1f50283735bb30be5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc09d4f32c7cf60c2ca3362422d7b0a59c4b9c8effa8ba1f50283735bb30be5f", kill_on_drop: false }`
[INFO] [stdout] bc09d4f32c7cf60c2ca3362422d7b0a59c4b9c8effa8ba1f50283735bb30be5f
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698a3be6c2da6696f993112c731538e82bc082c1f2e6b7f06224773074a0c8e4
[INFO] running `Command { std: "docker" "start" "-a" "698a3be6c2da6696f993112c731538e82bc082c1f2e6b7f06224773074a0c8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling visualization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "698a3be6c2da6696f993112c731538e82bc082c1f2e6b7f06224773074a0c8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698a3be6c2da6696f993112c731538e82bc082c1f2e6b7f06224773074a0c8e4", kill_on_drop: false }`
[INFO] [stdout] 698a3be6c2da6696f993112c731538e82bc082c1f2e6b7f06224773074a0c8e4