[INFO] cloning repository https://github.com/fliiiix/SieveofEratosthenes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fliiiix/SieveofEratosthenes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliiiix%2FSieveofEratosthenes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliiiix%2FSieveofEratosthenes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ebe76c1dea00f75bb4c97c745b36115ceae3e2e
[INFO] checking fliiiix/SieveofEratosthenes against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliiiix%2FSieveofEratosthenes" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fliiiix/SieveofEratosthenes on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fliiiix/SieveofEratosthenes
[INFO] finished tweaking git repo https://github.com/fliiiix/SieveofEratosthenes
[INFO] tweaked toml for git repo https://github.com/fliiiix/SieveofEratosthenes written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fliiiix/SieveofEratosthenes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d542c51fc4c6807f98be5769bec208f7da3521e974cf01a0aa18f32fa327ca0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d542c51fc4c6807f98be5769bec208f7da3521e974cf01a0aa18f32fa327ca0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d542c51fc4c6807f98be5769bec208f7da3521e974cf01a0aa18f32fa327ca0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d542c51fc4c6807f98be5769bec208f7da3521e974cf01a0aa18f32fa327ca0e", kill_on_drop: false }`
[INFO] [stdout] d542c51fc4c6807f98be5769bec208f7da3521e974cf01a0aa18f32fa327ca0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74dc43152d97d002d1ec5c033ee13aa2f680f785294adf33d9164d4fb9e55bf4
[INFO] running `Command { std: "docker" "start" "-a" "74dc43152d97d002d1ec5c033ee13aa2f680f785294adf33d9164d4fb9e55bf4", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking sieveof_eratosthenes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "74dc43152d97d002d1ec5c033ee13aa2f680f785294adf33d9164d4fb9e55bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74dc43152d97d002d1ec5c033ee13aa2f680f785294adf33d9164d4fb9e55bf4", kill_on_drop: false }`
[INFO] [stdout] 74dc43152d97d002d1ec5c033ee13aa2f680f785294adf33d9164d4fb9e55bf4