[INFO] cloning repository https://github.com/reacktivo/conecta-cuatro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reacktivo/conecta-cuatro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freacktivo%2Fconecta-cuatro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freacktivo%2Fconecta-cuatro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b6b0b75ed5b6e1c254d118ca1c58c7497b3006
[INFO] checking reacktivo/conecta-cuatro against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freacktivo%2Fconecta-cuatro" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reacktivo/conecta-cuatro on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reacktivo/conecta-cuatro
[INFO] finished tweaking git repo https://github.com/reacktivo/conecta-cuatro
[INFO] tweaked toml for git repo https://github.com/reacktivo/conecta-cuatro written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/reacktivo/conecta-cuatro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19edc6a67ba4d6b83cacde5baea6d19dee08874f5f48e103bc5c6ff28a8673f4
[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" "19edc6a67ba4d6b83cacde5baea6d19dee08874f5f48e103bc5c6ff28a8673f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19edc6a67ba4d6b83cacde5baea6d19dee08874f5f48e103bc5c6ff28a8673f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19edc6a67ba4d6b83cacde5baea6d19dee08874f5f48e103bc5c6ff28a8673f4", kill_on_drop: false }`
[INFO] [stdout] 19edc6a67ba4d6b83cacde5baea6d19dee08874f5f48e103bc5c6ff28a8673f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] d8f0199143904c4208f2035121d40e702bcc56d98fb9fe2054f55bbfef9e6926
[INFO] running `Command { std: "docker" "start" "-a" "d8f0199143904c4208f2035121d40e702bcc56d98fb9fe2054f55bbfef9e6926", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking connect-four-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "d8f0199143904c4208f2035121d40e702bcc56d98fb9fe2054f55bbfef9e6926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f0199143904c4208f2035121d40e702bcc56d98fb9fe2054f55bbfef9e6926", kill_on_drop: false }`
[INFO] [stdout] d8f0199143904c4208f2035121d40e702bcc56d98fb9fe2054f55bbfef9e6926