[INFO] cloning repository https://github.com/MikMuellerDev/aoc_2020_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MikMuellerDev/aoc_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikMuellerDev%2Faoc_2020_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikMuellerDev%2Faoc_2020_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93432257d076f00bf94d07bc4aca3fa38549b73d [INFO] checking MikMuellerDev/aoc_2020_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikMuellerDev%2Faoc_2020_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MikMuellerDev/aoc_2020_rust 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/MikMuellerDev/aoc_2020_rust [INFO] finished tweaking git repo https://github.com/MikMuellerDev/aoc_2020_rust [INFO] tweaked toml for git repo https://github.com/MikMuellerDev/aoc_2020_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MikMuellerDev/aoc_2020_rust 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a1f60ed0e103906362021014f91e15c420b28455376631a51980afcf31b3fea [INFO] running `Command { std: "docker" "start" "-a" "4a1f60ed0e103906362021014f91e15c420b28455376631a51980afcf31b3fea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a1f60ed0e103906362021014f91e15c420b28455376631a51980afcf31b3fea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a1f60ed0e103906362021014f91e15c420b28455376631a51980afcf31b3fea", kill_on_drop: false }` [INFO] [stdout] 4a1f60ed0e103906362021014f91e15c420b28455376631a51980afcf31b3fea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a7dcfc08ce68d95081efa72abd61d60ac77ae023facd72ad4ca4cde8e507a2f [INFO] running `Command { std: "docker" "start" "-a" "4a7dcfc08ce68d95081efa72abd61d60ac77ae023facd72ad4ca4cde8e507a2f", kill_on_drop: false }` [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking aoc_2020_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "4a7dcfc08ce68d95081efa72abd61d60ac77ae023facd72ad4ca4cde8e507a2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a7dcfc08ce68d95081efa72abd61d60ac77ae023facd72ad4ca4cde8e507a2f", kill_on_drop: false }` [INFO] [stdout] 4a7dcfc08ce68d95081efa72abd61d60ac77ae023facd72ad4ca4cde8e507a2f [INFO] checking MikMuellerDev/aoc_2020_rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikMuellerDev%2Faoc_2020_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MikMuellerDev/aoc_2020_rust 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/MikMuellerDev/aoc_2020_rust [INFO] finished tweaking git repo https://github.com/MikMuellerDev/aoc_2020_rust [INFO] tweaked toml for git repo https://github.com/MikMuellerDev/aoc_2020_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MikMuellerDev/aoc_2020_rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c3cb4fb98591d0ef34ed65dbb86ca60072d277ca13fcca3c5c13df395eb50041 [INFO] running `Command { std: "docker" "start" "-a" "c3cb4fb98591d0ef34ed65dbb86ca60072d277ca13fcca3c5c13df395eb50041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3cb4fb98591d0ef34ed65dbb86ca60072d277ca13fcca3c5c13df395eb50041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3cb4fb98591d0ef34ed65dbb86ca60072d277ca13fcca3c5c13df395eb50041", kill_on_drop: false }` [INFO] [stdout] c3cb4fb98591d0ef34ed65dbb86ca60072d277ca13fcca3c5c13df395eb50041 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9fcc0485dd927a7ffe250c118f6633b7e8fd0d42607c8577d1ce47f85897b843 [INFO] running `Command { std: "docker" "start" "-a" "9fcc0485dd927a7ffe250c118f6633b7e8fd0d42607c8577d1ce47f85897b843", kill_on_drop: false }` [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking aoc_2020_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "9fcc0485dd927a7ffe250c118f6633b7e8fd0d42607c8577d1ce47f85897b843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fcc0485dd927a7ffe250c118f6633b7e8fd0d42607c8577d1ce47f85897b843", kill_on_drop: false }` [INFO] [stdout] 9fcc0485dd927a7ffe250c118f6633b7e8fd0d42607c8577d1ce47f85897b843