[INFO] cloning repository https://github.com/realbigsean/ckzg_min
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realbigsean/ckzg_min" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbigsean%2Fckzg_min", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbigsean%2Fckzg_min'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09bbbc43aaf65d413f31e753b9c821619c1522f4
[INFO] checking realbigsean/ckzg_min against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbigsean%2Fckzg_min" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realbigsean/ckzg_min 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/realbigsean/ckzg_min
[INFO] finished tweaking git repo https://github.com/realbigsean/ckzg_min
[INFO] tweaked toml for git repo https://github.com/realbigsean/ckzg_min written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/realbigsean/ckzg_min 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ethereum//c-kzg-4844`
[INFO] [stderr]     Updating git submodule `https://github.com/supranational/blst`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rust-bindgen`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 52fa56055516eeb8fd48db750b741778e22a4a7c5bada666bd1426d0c23760b7
[INFO] running `Command { std: "docker" "start" "-a" "52fa56055516eeb8fd48db750b741778e22a4a7c5bada666bd1426d0c23760b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52fa56055516eeb8fd48db750b741778e22a4a7c5bada666bd1426d0c23760b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fa56055516eeb8fd48db750b741778e22a4a7c5bada666bd1426d0c23760b7", kill_on_drop: false }`
[INFO] [stdout] 52fa56055516eeb8fd48db750b741778e22a4a7c5bada666bd1426d0c23760b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8d2bb141b2c4a6d65a963ee431436adf94198ee2d110392b91a68df3703bfc54
[INFO] running `Command { std: "docker" "start" "-a" "8d2bb141b2c4a6d65a963ee431436adf94198ee2d110392b91a68df3703bfc54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.64.0 (https://github.com/rust-lang/rust-bindgen?rev=0de11f0a521611ac8738b7b01d19dddaf3899e66#0de11f0a)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling c-kzg v0.1.0 (https://github.com/ethereum//c-kzg-4844?rev=13cec820c08f45318f82ed4e0da0300042758b92#13cec820)
[INFO] [stderr]     Checking ckzg_min v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.88s
[INFO] running `Command { std: "docker" "inspect" "8d2bb141b2c4a6d65a963ee431436adf94198ee2d110392b91a68df3703bfc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2bb141b2c4a6d65a963ee431436adf94198ee2d110392b91a68df3703bfc54", kill_on_drop: false }`
[INFO] [stdout] 8d2bb141b2c4a6d65a963ee431436adf94198ee2d110392b91a68df3703bfc54
[INFO] checking realbigsean/ckzg_min against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbigsean%2Fckzg_min" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realbigsean/ckzg_min 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/realbigsean/ckzg_min
[INFO] finished tweaking git repo https://github.com/realbigsean/ckzg_min
[INFO] tweaked toml for git repo https://github.com/realbigsean/ckzg_min written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/realbigsean/ckzg_min 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b30e17b8595d2343e806a6f463e4a023826038c6b7fc1637f1fa0782a4f5eea
[INFO] running `Command { std: "docker" "start" "-a" "5b30e17b8595d2343e806a6f463e4a023826038c6b7fc1637f1fa0782a4f5eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b30e17b8595d2343e806a6f463e4a023826038c6b7fc1637f1fa0782a4f5eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b30e17b8595d2343e806a6f463e4a023826038c6b7fc1637f1fa0782a4f5eea", kill_on_drop: false }`
[INFO] [stdout] 5b30e17b8595d2343e806a6f463e4a023826038c6b7fc1637f1fa0782a4f5eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2ea66a5b4f7c5d95b7f7a686eb788f9bcd9929eb86a651ec79cacd5c48754b9a
[INFO] running `Command { std: "docker" "start" "-a" "2ea66a5b4f7c5d95b7f7a686eb788f9bcd9929eb86a651ec79cacd5c48754b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.64.0 (https://github.com/rust-lang/rust-bindgen?rev=0de11f0a521611ac8738b7b01d19dddaf3899e66#0de11f0a)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling c-kzg v0.1.0 (https://github.com/ethereum//c-kzg-4844?rev=13cec820c08f45318f82ed4e0da0300042758b92#13cec820)
[INFO] [stderr]     Checking ckzg_min v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.71s
[INFO] running `Command { std: "docker" "inspect" "2ea66a5b4f7c5d95b7f7a686eb788f9bcd9929eb86a651ec79cacd5c48754b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea66a5b4f7c5d95b7f7a686eb788f9bcd9929eb86a651ec79cacd5c48754b9a", kill_on_drop: false }`
[INFO] [stdout] 2ea66a5b4f7c5d95b7f7a686eb788f9bcd9929eb86a651ec79cacd5c48754b9a