[INFO] cloning repository https://github.com/i509VCB/i509.me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i509VCB/i509.me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi509VCB%2Fi509.me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi509VCB%2Fi509.me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69cdaecddb2e654d198f99dbf57be03e692754e7
[INFO] checking i509VCB/i509.me against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi509VCB%2Fi509.me" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i509VCB/i509.me 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-1-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/i509VCB/i509.me
[INFO] finished tweaking git repo https://github.com/i509VCB/i509.me
[INFO] tweaked toml for git repo https://github.com/i509VCB/i509.me written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/i509VCB/i509.me 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ad0f17ec738501de47df5779c283ad5115aed5e4cdf083a7ee4c5b0e4915c5fc
[INFO] running `Command { std: "docker" "start" "-a" "ad0f17ec738501de47df5779c283ad5115aed5e4cdf083a7ee4c5b0e4915c5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad0f17ec738501de47df5779c283ad5115aed5e4cdf083a7ee4c5b0e4915c5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0f17ec738501de47df5779c283ad5115aed5e4cdf083a7ee4c5b0e4915c5fc", kill_on_drop: false }`
[INFO] [stdout] ad0f17ec738501de47df5779c283ad5115aed5e4cdf083a7ee4c5b0e4915c5fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 791bd386ecaccd790c9417b0686088b0e03a1ac19acf1977ad3744a41a3ec1ec
[INFO] running `Command { std: "docker" "start" "-a" "791bd386ecaccd790c9417b0686088b0e03a1ac19acf1977ad3744a41a3ec1ec", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "791bd386ecaccd790c9417b0686088b0e03a1ac19acf1977ad3744a41a3ec1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791bd386ecaccd790c9417b0686088b0e03a1ac19acf1977ad3744a41a3ec1ec", kill_on_drop: false }`
[INFO] [stdout] 791bd386ecaccd790c9417b0686088b0e03a1ac19acf1977ad3744a41a3ec1ec
[INFO] checking i509VCB/i509.me against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi509VCB%2Fi509.me" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i509VCB/i509.me 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] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/i509VCB/i509.me
[INFO] finished tweaking git repo https://github.com/i509VCB/i509.me
[INFO] tweaked toml for git repo https://github.com/i509VCB/i509.me written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/i509VCB/i509.me 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 21703485d66aa8784c21b21598b807befaaf07697fc992215194a822ea0c36f8
[INFO] running `Command { std: "docker" "start" "-a" "21703485d66aa8784c21b21598b807befaaf07697fc992215194a822ea0c36f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21703485d66aa8784c21b21598b807befaaf07697fc992215194a822ea0c36f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21703485d66aa8784c21b21598b807befaaf07697fc992215194a822ea0c36f8", kill_on_drop: false }`
[INFO] [stdout] 21703485d66aa8784c21b21598b807befaaf07697fc992215194a822ea0c36f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 376fa1a79885d67c68a7d75947f6cb6f34b63d79737a3d9ca1e974b8cb9bdc3d
[INFO] running `Command { std: "docker" "start" "-a" "376fa1a79885d67c68a7d75947f6cb6f34b63d79737a3d9ca1e974b8cb9bdc3d", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "376fa1a79885d67c68a7d75947f6cb6f34b63d79737a3d9ca1e974b8cb9bdc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376fa1a79885d67c68a7d75947f6cb6f34b63d79737a3d9ca1e974b8cb9bdc3d", kill_on_drop: false }`
[INFO] [stdout] 376fa1a79885d67c68a7d75947f6cb6f34b63d79737a3d9ca1e974b8cb9bdc3d