[INFO] cloning repository https://github.com/namn-grg/sparkling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/namn-grg/sparkling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamn-grg%2Fsparkling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamn-grg%2Fsparkling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d3c7e5c7ff31547443c53de06ca14981126210f
[INFO] checking namn-grg/sparkling against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamn-grg%2Fsparkling" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/namn-grg/sparkling 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] started tweaking git repo https://github.com/namn-grg/sparkling
[INFO] finished tweaking git repo https://github.com/namn-grg/sparkling
[INFO] tweaked toml for git repo https://github.com/namn-grg/sparkling written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/namn-grg/sparkling 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]     Updating git repository `https://github.com/lambdaclass/lambdaworks.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lambdaclass/stone-compatibility-testing`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 84d6bd02de1b5d9d36290c3dbcac3acb6943dc3a93d42cde632bad713b735f94
[INFO] running `Command { std: "docker" "start" "-a" "84d6bd02de1b5d9d36290c3dbcac3acb6943dc3a93d42cde632bad713b735f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d6bd02de1b5d9d36290c3dbcac3acb6943dc3a93d42cde632bad713b735f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d6bd02de1b5d9d36290c3dbcac3acb6943dc3a93d42cde632bad713b735f94", kill_on_drop: false }`
[INFO] [stdout] 84d6bd02de1b5d9d36290c3dbcac3acb6943dc3a93d42cde632bad713b735f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4dbe66faf93f45e1d68e441ffe3d10e7f6abdb218a1b0d232ee9c49dcc9b2ea0
[INFO] running `Command { std: "docker" "start" "-a" "4dbe66faf93f45e1d68e441ffe3d10e7f6abdb218a1b0d232ee9c49dcc9b2ea0", kill_on_drop: false }`
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking lambdaworks-math v0.5.0 (https://github.com/lambdaclass/lambdaworks.git#019cfcfd)
[INFO] [stderr]     Checking sparkling-bootcamp-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "4dbe66faf93f45e1d68e441ffe3d10e7f6abdb218a1b0d232ee9c49dcc9b2ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbe66faf93f45e1d68e441ffe3d10e7f6abdb218a1b0d232ee9c49dcc9b2ea0", kill_on_drop: false }`
[INFO] [stdout] 4dbe66faf93f45e1d68e441ffe3d10e7f6abdb218a1b0d232ee9c49dcc9b2ea0
[INFO] checking namn-grg/sparkling against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamn-grg%2Fsparkling" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/namn-grg/sparkling on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/namn-grg/sparkling
[INFO] finished tweaking git repo https://github.com/namn-grg/sparkling
[INFO] tweaked toml for git repo https://github.com/namn-grg/sparkling written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/namn-grg/sparkling 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfc9a5b4769d90bc096efb01c233da2a605ae4535f5889a6b1410a5e0092b923
[INFO] running `Command { std: "docker" "start" "-a" "cfc9a5b4769d90bc096efb01c233da2a605ae4535f5889a6b1410a5e0092b923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc9a5b4769d90bc096efb01c233da2a605ae4535f5889a6b1410a5e0092b923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc9a5b4769d90bc096efb01c233da2a605ae4535f5889a6b1410a5e0092b923", kill_on_drop: false }`
[INFO] [stdout] cfc9a5b4769d90bc096efb01c233da2a605ae4535f5889a6b1410a5e0092b923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06c14fcda8f2d7ca37721172fdba554569b1dd01178c5031442a6b425b91c17
[INFO] running `Command { std: "docker" "start" "-a" "d06c14fcda8f2d7ca37721172fdba554569b1dd01178c5031442a6b425b91c17", kill_on_drop: false }`
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking lambdaworks-math v0.5.0 (https://github.com/lambdaclass/lambdaworks.git#019cfcfd)
[INFO] [stderr]     Checking sparkling-bootcamp-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "d06c14fcda8f2d7ca37721172fdba554569b1dd01178c5031442a6b425b91c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06c14fcda8f2d7ca37721172fdba554569b1dd01178c5031442a6b425b91c17", kill_on_drop: false }`
[INFO] [stdout] d06c14fcda8f2d7ca37721172fdba554569b1dd01178c5031442a6b425b91c17