[INFO] cloning repository https://github.com/AntoniosBarotsis/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntoniosBarotsis/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoniosBarotsis%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoniosBarotsis%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a378c1b0e9cd866d66a5f167bb81c00575171351
[INFO] checking AntoniosBarotsis/mandelbrot against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoniosBarotsis%2Fmandelbrot" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntoniosBarotsis/mandelbrot on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/AntoniosBarotsis/mandelbrot
[INFO] finished tweaking git repo https://github.com/AntoniosBarotsis/mandelbrot
[INFO] tweaked toml for git repo https://github.com/AntoniosBarotsis/mandelbrot written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AntoniosBarotsis/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wide v0.7.13
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded nalgebra v0.32.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f44db8e2887ae193a719637a47e30e96b515c8790b9c1446070c5986e1011b5
[INFO] running `Command { std: "docker" "start" "-a" "5f44db8e2887ae193a719637a47e30e96b515c8790b9c1446070c5986e1011b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f44db8e2887ae193a719637a47e30e96b515c8790b9c1446070c5986e1011b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f44db8e2887ae193a719637a47e30e96b515c8790b9c1446070c5986e1011b5", kill_on_drop: false }`
[INFO] [stdout] 5f44db8e2887ae193a719637a47e30e96b515c8790b9c1446070c5986e1011b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533a07b870beefd49d9770c80914d2aaa05b18d4387d48aeae490aaaa5f3dfb4
[INFO] running `Command { std: "docker" "start" "-a" "533a07b870beefd49d9770c80914d2aaa05b18d4387d48aeae490aaaa5f3dfb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.67s
[INFO] running `Command { std: "docker" "inspect" "533a07b870beefd49d9770c80914d2aaa05b18d4387d48aeae490aaaa5f3dfb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533a07b870beefd49d9770c80914d2aaa05b18d4387d48aeae490aaaa5f3dfb4", kill_on_drop: false }`
[INFO] [stdout] 533a07b870beefd49d9770c80914d2aaa05b18d4387d48aeae490aaaa5f3dfb4
[INFO] checking AntoniosBarotsis/mandelbrot against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoniosBarotsis%2Fmandelbrot" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntoniosBarotsis/mandelbrot on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/AntoniosBarotsis/mandelbrot
[INFO] finished tweaking git repo https://github.com/AntoniosBarotsis/mandelbrot
[INFO] tweaked toml for git repo https://github.com/AntoniosBarotsis/mandelbrot written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AntoniosBarotsis/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4300de3d09f8f99ccce60b60cec7186e9a7fc8bf6034b97bbd7b4a0713bf3ab2
[INFO] running `Command { std: "docker" "start" "-a" "4300de3d09f8f99ccce60b60cec7186e9a7fc8bf6034b97bbd7b4a0713bf3ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4300de3d09f8f99ccce60b60cec7186e9a7fc8bf6034b97bbd7b4a0713bf3ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4300de3d09f8f99ccce60b60cec7186e9a7fc8bf6034b97bbd7b4a0713bf3ab2", kill_on_drop: false }`
[INFO] [stdout] 4300de3d09f8f99ccce60b60cec7186e9a7fc8bf6034b97bbd7b4a0713bf3ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be2cd86396e7dc4d70e37926cc2185b9825f54fc731a2721da47ee9875dfb0a
[INFO] running `Command { std: "docker" "start" "-a" "2be2cd86396e7dc4d70e37926cc2185b9825f54fc731a2721da47ee9875dfb0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.49s
[INFO] running `Command { std: "docker" "inspect" "2be2cd86396e7dc4d70e37926cc2185b9825f54fc731a2721da47ee9875dfb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be2cd86396e7dc4d70e37926cc2185b9825f54fc731a2721da47ee9875dfb0a", kill_on_drop: false }`
[INFO] [stdout] 2be2cd86396e7dc4d70e37926cc2185b9825f54fc731a2721da47ee9875dfb0a